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Senior Backend Engineer
Senior Backend Engineer
Plexus Resource Solutions Ltd
United States
From £190,000 to £240,000 per annum
$190k - $240k - Fully Remote - San Francisco, USA - RAISED OVER $100 MILLION!!! Plexus has another great opportunity in the Web3 space. The company is creating entertainment that empowers on the blockchain. Powered by talent from around the globe, they believe in making bold moves to create products that have never been seen in the marketplace. They are looking for a Senior Backend Engineer to join their DEX team to design, built and scale the services that power decentralized trading. * Architect and Build DEX services with a focus on throughput, determinism, and fault isolation. * Design APIs (REST/WebSocket) and data models that are explicit , versioned, and easy to integrate. * Integrate on-chain logic with their blockchain. * Performance and Reliability. * Security and Compliance by Design. * Observability: Define golden signals, metrics, tracing and error budget
$190k - $240k - Fully Remote - San Francisco, USA - RAISED OVER $100 MILLION!!! Plexus has another great opportunity in the Web3 space. The company is creating entertainment that empowers on the blockchain. Powered by talent from around the globe, they believe in making bold moves to create products that have never been seen in the marketplace. They are looking for a Senior Backend Engineer to join their DEX team to design, built and scale the services that power decentralized trading. * Architect and Build DEX services with a focus on throughput, determinism, and fault isolation. * Design APIs (REST/WebSocket) and data models that are explicit , versioned, and easy to integrate. * Integrate on-chain logic with their blockchain. * Performance and Reliability. * Security and Compliance by Design. * Observability: Define golden signals, metrics, tracing and error budget
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Senior Backend Engineer
Senior Backend Engineer
Ncounter LTD
W1, Central London
From £120,000 to £160,000 per annum Equity and package
Product-Focused Backend Engineer Functional Programming & Distributed Systems - As a Backend Engineer, youll join a growing team working at the forefront of AI infrastructure. * Proven track record of building and scaling distributed backend systems - London (Hybrid) | £120,000£160,000 + Equity - At Ncounter, were partnering with a cutting-edge AI company on a mission to redefine how professionals in highly regulated industries interact with complex, multi-modal data. Their platform empowers users to deploy custom no-code AI agents that produce verifiable outputs with full transparency - ensuring trust, compliance, and control remain central to every decision. This isnt just about clean code or strong delivery - its about ownership, product intuition, and building for scale. Youll be
Product-Focused Backend Engineer Functional Programming & Distributed Systems - As a Backend Engineer, youll join a growing team working at the forefront of AI infrastructure. * Proven track record of building and scaling distributed backend systems - London (Hybrid) | £120,000£160,000 + Equity - At Ncounter, were partnering with a cutting-edge AI company on a mission to redefine how professionals in highly regulated industries interact with complex, multi-modal data. Their platform empowers users to deploy custom no-code AI agents that produce verifiable outputs with full transparency - ensuring trust, compliance, and control remain central to every decision. This isnt just about clean code or strong delivery - its about ownership, product intuition, and building for scale. Youll be
Senior Backend Engineer
Senior Backend Engineer
Plexus Resource Solutions Ltd
EC1, City of London
From £90,000 to £130,000 per annum Excluding Benefits
Looking for a passionate, forward thinking Senior Backend Engineer, You will play a crucial role in integrating frontend elements with backend infrastructure, working closely with frontend engineers to define and develop smooth data exchange. If you are a passionate Backend Engineer please hit "easy apply" Dapp Distribution pipeline - Remote: (HQ: London) £80k - £110k - Plexus is presenting a great opportunity with one of our clients within the Blockchain/web3 space. They are a leading Dapp distribution pipeline offering comprehensive NFT valuations and portfolio management, leading the way in data led, actionable industry reporting. * Support business applications and features within node.js and PHP * Be in charge of curating prototypes and applications from scratch in an organized m
Looking for a passionate, forward thinking Senior Backend Engineer, You will play a crucial role in integrating frontend elements with backend infrastructure, working closely with frontend engineers to define and develop smooth data exchange. If you are a passionate Backend Engineer please hit "easy apply" Dapp Distribution pipeline - Remote: (HQ: London) £80k - £110k - Plexus is presenting a great opportunity with one of our clients within the Blockchain/web3 space. They are a leading Dapp distribution pipeline offering comprehensive NFT valuations and portfolio management, leading the way in data led, actionable industry reporting. * Support business applications and features within node.js and PHP * Be in charge of curating prototypes and applications from scratch in an organized m
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Our client an industry leading private sector business located in East Sussex is looking for a full stack .Net developer. * Relevant software development experience, with strong expertise in .NET (C#) And ideally VB.NET - Contract - 6 Months - East Sussex - Hybrid model (3 days p/w on site) £375 - 425 p/d (outside IR35) Key Roles * Participate in migration of legacy systems built in C#, VB.NET, Angular, using SQL Server technologies. * Maintaining applications, ensuring reliability, maintainability, and evolution. * Act as a liaison between the development team and internal business stakeholders. * Implementation of modern architectures: micro services, containerised services, and serverless cloud-native components in AWS. * Diagnose and resolve complex support issues. * Collaborate with Business Anal
Our client an industry leading private sector business located in East Sussex is looking for a full stack .Net developer. * Relevant software development experience, with strong expertise in .NET (C#) And ideally VB.NET - Contract - 6 Months - East Sussex - Hybrid model (3 days p/w on site) £375 - 425 p/d (outside IR35) Key Roles * Participate in migration of legacy systems built in C#, VB.NET, Angular, using SQL Server technologies. * Maintaining applications, ensuring reliability, maintainability, and evolution. * Act as a liaison between the development team and internal business stakeholders. * Implementation of modern architectures: micro services, containerised services, and serverless cloud-native components in AWS. * Diagnose and resolve complex support issues. * Collaborate with Business Anal
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An innovative, mission-driven LegalTech SaaS start-up is looking for a Senior Product Engineer (Backend & Data) with deep experience in Python, Product development, and Data engineering. Founding Engineer | Python | GCP | Terraform | Event-Based Systems | Data Pipelines - They want engineers to be setup to stay on top in the new AI world. Your mission: own, build, and scale version 1 - the first commercial-ready Product to go to market. * Salary: Up to £100,000 (DOE) + Equity * Location: Fully remote (UK only) * Stack:Python, TypeScript, GCP, Pub/Sub, SQL & NoSQL, IaC (Terraform), CI/CD (GitHub Actions), Observability tools, AI tooling - Youll join a remote first, high-trust engineering team working with a modern, cloud-native stack - with real influence over technical decisions from day one. Youll ta
An innovative, mission-driven LegalTech SaaS start-up is looking for a Senior Product Engineer (Backend & Data) with deep experience in Python, Product development, and Data engineering. Founding Engineer | Python | GCP | Terraform | Event-Based Systems | Data Pipelines - They want engineers to be setup to stay on top in the new AI world. Your mission: own, build, and scale version 1 - the first commercial-ready Product to go to market. * Salary: Up to £100,000 (DOE) + Equity * Location: Fully remote (UK only) * Stack:Python, TypeScript, GCP, Pub/Sub, SQL & NoSQL, IaC (Terraform), CI/CD (GitHub Actions), Observability tools, AI tooling - Youll join a remote first, high-trust engineering team working with a modern, cloud-native stack - with real influence over technical decisions from day one. Youll ta
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They are building a team of exceptional developers in the heart of Newcastle City Centre, creating an intellectually stimulating environment where world-class technical talent can work on complex, high-impact initiatives tied to global markets and events. If you're an outstanding developer and communicator who thrives on solving challenging problems at pace, this is a rare opportunity to join a business at its inception and help shape its culture and future. ££110,000 - £130,000 GBP - Onsite WORKING - Location: Newcastle Upon Tyne, North East - United Kingdom Type: Permanent - Up to £130,000 + Excellent Benefits - Our client is a newly established joint venture between a global leader in management consulting and a leading global alternative investment fund manager. What You'll Be Doing * Take ownership of technical products and proje
They are building a team of exceptional developers in the heart of Newcastle City Centre, creating an intellectually stimulating environment where world-class technical talent can work on complex, high-impact initiatives tied to global markets and events. If you're an outstanding developer and communicator who thrives on solving challenging problems at pace, this is a rare opportunity to join a business at its inception and help shape its culture and future. ££110,000 - £130,000 GBP - Onsite WORKING - Location: Newcastle Upon Tyne, North East - United Kingdom Type: Permanent - Up to £130,000 + Excellent Benefits - Our client is a newly established joint venture between a global leader in management consulting and a leading global alternative investment fund manager. What You'll Be Doing * Take ownership of technical products and proje
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Join us as a Full Stack Developer. We are seeking a skilled and motivated Full Stack Developer with strong expertise in Angular and .NET to join our dynamic development team. * Proven experience as a Full Stack Developer with a strong portfolio of Angular and .NET projects. From Business Analysts in large government organisations to Software Developers in the private sector we are always in search of the best talent to place, now. Please note: Active SC Clearance is needed for this position due to urgency. At Peregrine, were always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients. At Peregrine, we find the best talent for our clients. As a permanent employee of Peregrine, with access to all our standard benefits, you will be
Join us as a Full Stack Developer. We are seeking a skilled and motivated Full Stack Developer with strong expertise in Angular and .NET to join our dynamic development team. * Proven experience as a Full Stack Developer with a strong portfolio of Angular and .NET projects. From Business Analysts in large government organisations to Software Developers in the private sector we are always in search of the best talent to place, now. Please note: Active SC Clearance is needed for this position due to urgency. At Peregrine, were always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients. At Peregrine, we find the best talent for our clients. As a permanent employee of Peregrine, with access to all our standard benefits, you will be
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Senior Backend Engineer
Senior Backend Engineer
Plexus Resource Solutions Ltd
EC1, City of London
From £180,000 to £200,000 per annum
They are seeking a Senior Backend Engineer to scale systems, build high-performance APIs, and manage mission-critical infrastructure. -Architect, develop, and maintain backend services and APIs for high-volume data processing. -Implement monitoring, logging, and performance optimization for backend services. -Experience in backend engineering experience, bonus if within Fintech and Web3 -Proficiency in Node.js and backend frameworks. Dapp Analytics & Discovery - Remote: (HQ: London) £180K - £200K - Plexus is partnered with a global leader in blockchain analytics, delivering real-time insights, NFT valuations, and portfolio tools to millions worldwide. Their platform processes over 14 billion rows of data and 800 TB of information, driving actionable reporting for the Web3 ecosystem. T
They are seeking a Senior Backend Engineer to scale systems, build high-performance APIs, and manage mission-critical infrastructure. -Architect, develop, and maintain backend services and APIs for high-volume data processing. -Implement monitoring, logging, and performance optimization for backend services. -Experience in backend engineering experience, bonus if within Fintech and Web3 -Proficiency in Node.js and backend frameworks. Dapp Analytics & Discovery - Remote: (HQ: London) £180K - £200K - Plexus is partnered with a global leader in blockchain analytics, delivering real-time insights, NFT valuations, and portfolio tools to millions worldwide. Their platform processes over 14 billion rows of data and 800 TB of information, driving actionable reporting for the Web3 ecosystem. T
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It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. * Lead architectural discussions with a focus on performance, scalability, and reliability. * Deliver complex features end-to-end - from design through deployment and monitoring. Location: London - 1x a month - Salary: Up to £120,000 (D.O.E) + benefits - Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. You'll work primarily with Python (FastAPI) and play a
It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. * Lead architectural discussions with a focus on performance, scalability, and reliability. * Deliver complex features end-to-end - from design through deployment and monitoring. Location: London - 1x a month - Salary: Up to £120,000 (D.O.E) + benefits - Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. You'll work primarily with Python (FastAPI) and play a
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As a Senior Software Engineer on Substrate, you will design and build Palantirs managed Kubernetes product offerings across all these environments. Palantir builds the worlds leading software for data-driven decisions and operations. o 4+ years of professional software development experience on core infrastructure with emphasis on operational excellence - A World-Changing Company - By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Substrate is the team responsible for Palantirs core production infrastructure 100s of K8s clusters from on-prem to the major cloud hyperscalers, whether they are internet-connected or air-gapped, small hardware footprint or large. You and your
As a Senior Software Engineer on Substrate, you will design and build Palantirs managed Kubernetes product offerings across all these environments. Palantir builds the worlds leading software for data-driven decisions and operations. o 4+ years of professional software development experience on core infrastructure with emphasis on operational excellence - A World-Changing Company - By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role - Substrate is the team responsible for Palantirs core production infrastructure 100s of K8s clusters from on-prem to the major cloud hyperscalers, whether they are internet-connected or air-gapped, small hardware footprint or large. You and your
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Senior C#/.NET Engineer – WPF Desktop Applications
Senior C#/.NET Engineer – WPF Desktop Applications
Halian Technology Limited
United States
From £130,000 to £180,000 per annum
Senior Software Engineer C#/.NET (WPF Desktop) Location: New York City (Hybrid 3 days onsite) Salary: $130,000 $180,000 (Permanent Role) Were hiring aSenior Software Engineerwith strong experience inC#/.NETandWPFto join our clients team inNew York City. This is afront-end focusedrole (approx. 70%) working on high-performance desktop applications in a finance-adjacent environment. What Youll Be Working On - Building and enhancingdesktop applications(not web-based) Designing intuitive and responsiveWPF GUIs - Collaborating with a high-performing engineering team - Contributing to a modern, scalableC#/.NETcodebase - What Were Looking For - 7+ years ofC#/.NETdevelopment experience (flexible for strong candidates) Deep expertise inWPFand desktop UI/UX - Solid understanding ofdesktop application architecture - Bonus: Experience withapplication migrations(e.
Senior Software Engineer C#/.NET (WPF Desktop) Location: New York City (Hybrid 3 days onsite) Salary: $130,000 $180,000 (Permanent Role) Were hiring aSenior Software Engineerwith strong experience inC#/.NETandWPFto join our clients team inNew York City. This is afront-end focusedrole (approx. 70%) working on high-performance desktop applications in a finance-adjacent environment. What Youll Be Working On - Building and enhancingdesktop applications(not web-based) Designing intuitive and responsiveWPF GUIs - Collaborating with a high-performing engineering team - Contributing to a modern, scalableC#/.NETcodebase - What Were Looking For - 7+ years ofC#/.NETdevelopment experience (flexible for strong candidates) Deep expertise inWPFand desktop UI/UX - Solid understanding ofdesktop application architecture - Bonus: Experience withapplication migrations(e.
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Senior Backend Software Engineer
Senior Backend Software Engineer
Plexus Resource Solutions Ltd
EC1, City of London
From £80,000 to £110,000 per annum
They are looking for a senior backend software engineer (Python) to join the team to help develop and maintain the spine of Web3 technologies. * Design and implement backend systems for Web3-focused products * Minimum 3 years of professional software engineering experience * Strong understanding of backend architecture, data modeling, and system design - Gaming/Web3 Technologies - Remote - Salary: £80k - £110k - Plexus has a great opportunity within the Web3 space. Their mission is to create economic opportunities for people across the globe, leveraging gaming as a natural and engaging pathway into the Web3 ecosystem. * Develop and maintain RESTful APIs using Python * Optimize system performance and reliability across distributed environments * Operate within cross-functional teams to ensure scalable
They are looking for a senior backend software engineer (Python) to join the team to help develop and maintain the spine of Web3 technologies. * Design and implement backend systems for Web3-focused products * Minimum 3 years of professional software engineering experience * Strong understanding of backend architecture, data modeling, and system design - Gaming/Web3 Technologies - Remote - Salary: £80k - £110k - Plexus has a great opportunity within the Web3 space. Their mission is to create economic opportunities for people across the globe, leveraging gaming as a natural and engaging pathway into the Web3 ecosystem. * Develop and maintain RESTful APIs using Python * Optimize system performance and reliability across distributed environments * Operate within cross-functional teams to ensure scalable
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They are looking for a Backend Engineer to join one of their core product engineering teams with the ability to directly impact millions of user experiences in how they interactive with our products. * 3+ years of experience as an engineer. Remote £100k - £130k - Plexus has another great opportunity with one of our long-term clients. They believe that using crypto can enable a more equitable system for creators, fundamentally rediscovering the power of the internet. * Work with team to build out new features in the product. * Build and maintain an API used by the product as well as external partners. * Communicate status, updates, blockers, etc., to cross functional stakeholders. * Participate in RFC and code review. * Technical background in Python, GraphQL, and MongoDB. * Comfortable in moving across the stack when needed (Typescrip
They are looking for a Backend Engineer to join one of their core product engineering teams with the ability to directly impact millions of user experiences in how they interactive with our products. * 3+ years of experience as an engineer. Remote £100k - £130k - Plexus has another great opportunity with one of our long-term clients. They believe that using crypto can enable a more equitable system for creators, fundamentally rediscovering the power of the internet. * Work with team to build out new features in the product. * Build and maintain an API used by the product as well as external partners. * Communicate status, updates, blockers, etc., to cross functional stakeholders. * Participate in RFC and code review. * Technical background in Python, GraphQL, and MongoDB. * Comfortable in moving across the stack when needed (Typescrip
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Senior API Technical Consultant (GraphQL Specialist)
Senior API Technical Consultant (GraphQL Specialist)
Staffworx Limited
London
market rates, outside IR35, 2 days on site
We're looking for a senior/lead engineering consultant with deep expertise in GraphQL to take a leading role in developing our robust TypeScript/Node.js backend. You will be instrumental in shaping our technical direction, driving the evolution of our APIs, ensuring our services are resilient, scalable and secure within a cutting-edge, cloud-native environment (Helm, Kubernetes). * Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Mentor and empowerfellow engineers through thoughtful code reviews, technical guidance and fostering a culture of collaborative problem-solving. * Influence technical strategyby working within a cross-functional Agile team to guide process improvements and make key archit
We're looking for a senior/lead engineering consultant with deep expertise in GraphQL to take a leading role in developing our robust TypeScript/Node.js backend. You will be instrumental in shaping our technical direction, driving the evolution of our APIs, ensuring our services are resilient, scalable and secure within a cutting-edge, cloud-native environment (Helm, Kubernetes). * Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Mentor and empowerfellow engineers through thoughtful code reviews, technical guidance and fostering a culture of collaborative problem-solving. * Influence technical strategyby working within a cross-functional Agile team to guide process improvements and make key archit
Senior Software Engineer - Contract - Outside IR35 - £750 p/d
Senior Software Engineer - Contract - Outside IR35 - £750 p/d
Halian Technology Limited
SW13, South West London
From £600 to £750 per day 6 months initial contract
Senior Software Engineer Our client, a high-growth AI tech business headquartered in London, are seeking an experienced Software Engineer to take a pivotal role in shaping and leading the role out of mission critical software to ensure their customers have 0 Down time. * Go * React/Typescript * GCP * Understanding or experience of working on a AI Platform - The Offer * Contract Type: Contract Outside IR35 * Working Pattern: Hybrid City * Package: £750 p/d
Senior Software Engineer Our client, a high-growth AI tech business headquartered in London, are seeking an experienced Software Engineer to take a pivotal role in shaping and leading the role out of mission critical software to ensure their customers have 0 Down time. * Go * React/Typescript * GCP * Understanding or experience of working on a AI Platform - The Offer * Contract Type: Contract Outside IR35 * Working Pattern: Hybrid City * Package: £750 p/d
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Are you a talented Software Developer eager to take on exciting project-based work with leading organisations? At Myn, were dedicated to helping software professionals find fulfilling contract opportunities that elevate their careers and connect them with innovative projects. We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. * Collaborate with innovative teams to design and implement robust software solutions that meet business needs. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. * 3+ years of experience in software development or related roles. * Demonstrated experie
Are you a talented Software Developer eager to take on exciting project-based work with leading organisations? At Myn, were dedicated to helping software professionals find fulfilling contract opportunities that elevate their careers and connect them with innovative projects. We are seeking skilled developers for multiple contract opportunities across various sectors, including tech, finance, and healthcare. * Collaborate with innovative teams to design and implement robust software solutions that meet business needs. These contract roles are ideal for developers looking to make an impact quickly and explore different industries while enjoying the freedom of flexible assignments. * 3+ years of experience in software development or related roles. * Demonstrated experie
An incredible opportunity for an experienced Backend Engineer with advanced Go skills to join a prestigious tech client on a contract basis. As a Backend Engineer, you'll be working on mission-critical, data-intensive applications that push the boundaries of technology, taking ownership of the full software engineering lifecycle, including design, development, and implementation. Reporting into an Engineering Manager, the Backend Engineer will leverage modern technologies like AWS, Kubernetes, Docker, and Kafka, while also architecting and implementing microservices-based solutions in collaboration with cross-functional teams. If you're a passionate Backend Engineer who enjoys working autonomously, taking ownership, and building for impact in a high-trust, high-collaboration setting - apply now! This
An incredible opportunity for an experienced Backend Engineer with advanced Go skills to join a prestigious tech client on a contract basis. As a Backend Engineer, you'll be working on mission-critical, data-intensive applications that push the boundaries of technology, taking ownership of the full software engineering lifecycle, including design, development, and implementation. Reporting into an Engineering Manager, the Backend Engineer will leverage modern technologies like AWS, Kubernetes, Docker, and Kafka, while also architecting and implementing microservices-based solutions in collaboration with cross-functional teams. If you're a passionate Backend Engineer who enjoys working autonomously, taking ownership, and building for impact in a high-trust, high-collaboration setting - apply now! This
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In order to be suitable for this Lead Software Engineer role you must be an accomplished developer with a passion for technology and desire to mentor a team. You will act as a technical authority on software written in Python, lead architectural discussions, code, ensure technical quality and deliver complex software projects. In this role of significant responsibility, you will be both a Lead Developer and guide 2 in-house developers and an offshore team. A well-established business is looking for an accomplished Software Engineer with expert Python skills to join its organisation. Web, software, and AI-enabled technology are fundamental to the success of the business so you must have proven experience of developing
In order to be suitable for this Lead Software Engineer role you must be an accomplished developer with a passion for technology and desire to mentor a team. You will act as a technical authority on software written in Python, lead architectural discussions, code, ensure technical quality and deliver complex software projects. In this role of significant responsibility, you will be both a Lead Developer and guide 2 in-house developers and an offshore team. A well-established business is looking for an accomplished Software Engineer with expert Python skills to join its organisation. Web, software, and AI-enabled technology are fundamental to the success of the business so you must have proven experience of developing
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The Liberty Recruitment Group is excited to be working in partnership with a leading Tech-enabled Analytics Consultancy based in London, who are looking for a Senior Backend Developer to join their award-winning Insurance division. As part of a mixed technical team including back-end developers, testers, front-end developers and actuarial data scientists, youd be working on their market-leading insurance application, used by some of the largest London Market and International insurers to assess over £200bn in reserves. * Leading the design and development of new product features, providing a holistic approach to design * Driving better integration between their C# and Python codebases, rewriting and restructuring code where needed to improve cohesion * Address any performance bottlenecks and optimiseperformance of com
The Liberty Recruitment Group is excited to be working in partnership with a leading Tech-enabled Analytics Consultancy based in London, who are looking for a Senior Backend Developer to join their award-winning Insurance division. As part of a mixed technical team including back-end developers, testers, front-end developers and actuarial data scientists, youd be working on their market-leading insurance application, used by some of the largest London Market and International insurers to assess over £200bn in reserves. * Leading the design and development of new product features, providing a holistic approach to design * Driving better integration between their C# and Python codebases, rewriting and restructuring code where needed to improve cohesion * Address any performance bottlenecks and optimiseperformance of com
We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. As a Lead Engineer, you'll champion intentional AI adoption to empower your team and unlock new levels of productivity. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. You'll lead the migration from a legacy monolith to a modern microfrontend and Backend-for-Frontend (BFF) ecosystem, leveraging React, Next.js, TypeScript, and advanced communication protocols such as GraphQL and gRPC. * Lead the design and implementation of scalable, performant, and maintainable frontend architectures that support ...
We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. As a Lead Engineer, you'll champion intentional AI adoption to empower your team and unlock new levels of productivity. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. You'll lead the migration from a legacy monolith to a modern microfrontend and Backend-for-Frontend (BFF) ecosystem, leveraging React, Next.js, TypeScript, and advanced communication protocols such as GraphQL and gRPC. * Lead the design and implementation of scalable, performant, and maintainable frontend architectures that support ...
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Senior Guidewire Developer
Senior Guidewire Developer
Pioneer Search
City of London, London
£90000 - £110000 per annum + 20% bonus
An ACE Certified Guidewire Developer with experience with Guidewire for claims, and ClaimCenter configurations is required for a leading insurance organisation in London. Guidewire Developer - Ace Certified - The business is currently in the process of migrating to Guidewire and would be looking for a developer to lead them through the migration process and to monitor and configure the platform, as well as architect and design solutions being pioneered within the Guidewire Cloud. You should have strong development skills in Java and GOSU as well as stakeholder skills to help the organisation navigate the migration and onboard Guidewire. * Leadership: Leading the development, design, architecture, integration, and customisation of Guidewire for the insurer. * ACE Certified in Guidewire * Experience onboarding and integrating Guidewire for a specialty insurer
An ACE Certified Guidewire Developer with experience with Guidewire for claims, and ClaimCenter configurations is required for a leading insurance organisation in London. Guidewire Developer - Ace Certified - The business is currently in the process of migrating to Guidewire and would be looking for a developer to lead them through the migration process and to monitor and configure the platform, as well as architect and design solutions being pioneered within the Guidewire Cloud. You should have strong development skills in Java and GOSU as well as stakeholder skills to help the organisation navigate the migration and onboard Guidewire. * Leadership: Leading the development, design, architecture, integration, and customisation of Guidewire for the insurer. * ACE Certified in Guidewire * Experience onboarding and integrating Guidewire for a specialty insurer
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We are seeking a skilled Software Developer with a focus on back-end technologies to join our team. - Collaborate with front-end developers and other team members to ensure high-quality software solutions. The ideal candidate will have proven experience with Node.js and/or Java (v21+) for backend development, as well as a strong knowledge of microservices architecture and RESTful API design. - Develop and maintain scalable backend systems using Node.js and/or Java. If you are passionate about building robust backend systems and have a desire to work in a collaborative environment, we encourage you to apply. Remote £475 per day (Outside IR35) 3 months Likelihood for extension - Design and implement microservices and RESTful APIs to support application
We are seeking a skilled Software Developer with a focus on back-end technologies to join our team. - Collaborate with front-end developers and other team members to ensure high-quality software solutions. The ideal candidate will have proven experience with Node.js and/or Java (v21+) for backend development, as well as a strong knowledge of microservices architecture and RESTful API design. - Develop and maintain scalable backend systems using Node.js and/or Java. If you are passionate about building robust backend systems and have a desire to work in a collaborative environment, we encourage you to apply. Remote £475 per day (Outside IR35) 3 months Likelihood for extension - Design and implement microservices and RESTful APIs to support application
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KEYWORDS: Contract .NET Developer, Microsoft Stack Engineer, AI/ML Engineer, Azure Developer, Banking Software Engineer, Outside IR35, Remote - New contract opportunity for an experienced .NET Developer to join a high-profile programme in the banking/fintech sector, delivering secure enterprise applications and integrating AI/ML solutions. * Open to UK/EU-Based Candidates Only * Outside IR35 * 9-12 Month Initial Contract | Start ASAP | Likely Extension * Independently manage and deliver technical projects end-to-end - greenfield project experience. * Design, develop, test, and deploy enterprise applications using Microsoft technologies. * Build secure fintech workflows aligned with compliance (GDPR, OAuth, encryption). * Integrate and deploy AI/ML components (NLP and recommendation systems). * Collaborate in an Agile
KEYWORDS: Contract .NET Developer, Microsoft Stack Engineer, AI/ML Engineer, Azure Developer, Banking Software Engineer, Outside IR35, Remote - New contract opportunity for an experienced .NET Developer to join a high-profile programme in the banking/fintech sector, delivering secure enterprise applications and integrating AI/ML solutions. * Open to UK/EU-Based Candidates Only * Outside IR35 * 9-12 Month Initial Contract | Start ASAP | Likely Extension * Independently manage and deliver technical projects end-to-end - greenfield project experience. * Design, develop, test, and deploy enterprise applications using Microsoft technologies. * Build secure fintech workflows aligned with compliance (GDPR, OAuth, encryption). * Integrate and deploy AI/ML components (NLP and recommendation systems). * Collaborate in an Agile
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Contract Backend Developer - Python/Go - SC Cleared - Remote - 6 Months - A leading consultancy is seeking a Backend Developer with strong experience in Python and Go for a secure infrastructure automation project. * Python & Go backend development (APIs, microservices, automation tools) Rate: Competitive (Outside IR35) Location: Remote/Hybrid (UK-based only) - 1-2 days per month in London - Clearance: Active SC Clearance required - Duration: 6 months (possible extension) * AWS SDKs (boto3, aws-sdk-go-v2) - EC2, S3, IAM, Lambda, CloudWatch * LDAP, HashiCorp Vault, JIRA/Confluence, Kubernetes integration * CI/CD pipelines, Git, testing frameworks (pytest, unittest, testify, gomock) * Code quality tools: flake8, black, mypy, golangci-lint * Proven experience in backend development and cloud automation * Strong integrati
Contract Backend Developer - Python/Go - SC Cleared - Remote - 6 Months - A leading consultancy is seeking a Backend Developer with strong experience in Python and Go for a secure infrastructure automation project. * Python & Go backend development (APIs, microservices, automation tools) Rate: Competitive (Outside IR35) Location: Remote/Hybrid (UK-based only) - 1-2 days per month in London - Clearance: Active SC Clearance required - Duration: 6 months (possible extension) * AWS SDKs (boto3, aws-sdk-go-v2) - EC2, S3, IAM, Lambda, CloudWatch * LDAP, HashiCorp Vault, JIRA/Confluence, Kubernetes integration * CI/CD pipelines, Git, testing frameworks (pytest, unittest, testify, gomock) * Code quality tools: flake8, black, mypy, golangci-lint * Proven experience in backend development and cloud automation * Strong integrati
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A long-standing client of ours is looking for a user-focused Senior Developer to deliver the final phase of a large-scale SaaS platform. Contract Lead Full Stack Developer | Java / TypeScript / Node.js / Next.js | Fully Remote | £550-£600 p/day | Outside IR35 | 3-week contract - The project is currently around 60% complete, and you'll be responsible for leading the technical delivery of the remaining 40% to launch - You'll be joining an experienced product and design team, working closely with stakeholders and end users and must be able to engage with end users in a clear,non technical manner to ensure smooth delivery. If you have experience in AI-generated extracts/ authentication this will be great for you. Contract Details * Length: 3 weeks * Rate: £550-£600 p/day (Outside IR35) * Location: Fully Remote * Start Date: 25th August/1s
A long-standing client of ours is looking for a user-focused Senior Developer to deliver the final phase of a large-scale SaaS platform. Contract Lead Full Stack Developer | Java / TypeScript / Node.js / Next.js | Fully Remote | £550-£600 p/day | Outside IR35 | 3-week contract - The project is currently around 60% complete, and you'll be responsible for leading the technical delivery of the remaining 40% to launch - You'll be joining an experienced product and design team, working closely with stakeholders and end users and must be able to engage with end users in a clear,non technical manner to ensure smooth delivery. If you have experience in AI-generated extracts/ authentication this will be great for you. Contract Details * Length: 3 weeks * Rate: £550-£600 p/day (Outside IR35) * Location: Fully Remote * Start Date: 25th August/1s
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