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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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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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EC1, City of London
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Ship high-quality features across the full stack Product Engineer | Stealth Legal Tech Start-Up - Typescript, React, Python, GCP - Were recruiting on behalf of a stealth-mode legal tech start-up building a game-changing platform with a modern, cloud-native stack and AI at its core. * TypeScript / Python * Backend experience with Python & microservices - Remote | Contract | £550£600/day Outside IR35 * GCP / Vercel * React * Postgres / MongoDB / Redis * Pub/Sub / Cloud Run / Docker * OpenAI * Playwright / k6 * GitHub Actions / Terraform * Work with a small, skilled team from day one * Use AI tooling to speed up and improve development * Help shape product direction in a fast-moving start-up * Strong React, Next.js, TypeScript skills * GCP and containeri
Ship high-quality features across the full stack Product Engineer | Stealth Legal Tech Start-Up - Typescript, React, Python, GCP - Were recruiting on behalf of a stealth-mode legal tech start-up building a game-changing platform with a modern, cloud-native stack and AI at its core. * TypeScript / Python * Backend experience with Python & microservices - Remote | Contract | £550£600/day Outside IR35 * GCP / Vercel * React * Postgres / MongoDB / Redis * Pub/Sub / Cloud Run / Docker * OpenAI * Playwright / k6 * GitHub Actions / Terraform * Work with a small, skilled team from day one * Use AI tooling to speed up and improve development * Help shape product direction in a fast-moving start-up * Strong React, Next.js, TypeScript skills * GCP and containeri
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Senior Software Engineer - Core Wealth Services
Senior Software Engineer - Core Wealth Services
Hargreaves Lansdown
London
Up to £95000 per annum + Generous Bonus, Pension & PMI
We're on the lookout for engineers who can help develop our offering, creating quality-focused first-class applications at pace, leveraging cloud applications to deliver robust, event-driven microservices used by millions of customers every day to manage their investment portfolios. * Happy to review, share knowledge and mentor engineers within the team. This is the future of HL - and the future of investing. We're building the next generation of platform for one of the UK's largest financial services companies, trusted by over 1.8 million clients and managing £130+ billion in assets. This is your opportunity to shape technology that will redefine how people invest and achieve financial freedom. All development within Core Wealth Services is greenfield. That means a clean slate - the chance to design, architect and build from the grou
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One of the UKs most iconic omni-channel retailers is looking for aLead Java Developerto join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java, strong architectural understanding of microservices, and a passion for technical leadership and mentoring. Design, build, and maintain scalable, high-performance services using Kotlin or Java * 5+ years of back-end development experience using Kotlin or modern Java Experience working within ecommerce, mobile, or customer-facing digital platforms is highly desirable. This role is a remote position. Youll have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Provide technical lea
One of the UKs most iconic omni-channel retailers is looking for aLead Java Developerto join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java, strong architectural understanding of microservices, and a passion for technical leadership and mentoring. Design, build, and maintain scalable, high-performance services using Kotlin or Java * 5+ years of back-end development experience using Kotlin or modern Java Experience working within ecommerce, mobile, or customer-facing digital platforms is highly desirable. This role is a remote position. Youll have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Provide technical lea
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Azure Developer
Azure Developer
Queen Square Recruitment Limited
EC2N, City of London
From £500 to £600 per day inside IR35, DOE
Developer Azure Cosmos DB * Develop cloud-native applications using Azure Cosmos DB (SQL API, Mongo API) * Deep understanding of Azure services including Azure Functions, App Services, AKS, and Logic Apps * Hands-on experience with Azure Cosmos DB including query optimisation and throughput management - Location:Central London (hybrid) Contract Type:6 month initial contract, starting ASAP - Industry:Banking & Financial Services - Day rate:£500 - £600 (TBC, inside IR35) Our client, a large global consultancy, is seeking a Cosmos DBDeveloperto play a key role in designing and developingscalable, secure, and high-performance applicationstailored for thebanking and financial servicessector. This is a hands-on role where you willarchitect cloud-native solutionsusingAzure C
Developer Azure Cosmos DB * Develop cloud-native applications using Azure Cosmos DB (SQL API, Mongo API) * Deep understanding of Azure services including Azure Functions, App Services, AKS, and Logic Apps * Hands-on experience with Azure Cosmos DB including query optimisation and throughput management - Location:Central London (hybrid) Contract Type:6 month initial contract, starting ASAP - Industry:Banking & Financial Services - Day rate:£500 - £600 (TBC, inside IR35) Our client, a large global consultancy, is seeking a Cosmos DBDeveloperto play a key role in designing and developingscalable, secure, and high-performance applicationstailored for thebanking and financial servicessector. This is a hands-on role where you willarchitect cloud-native solutionsusingAzure C
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Opportunity to join a global SaaS company * Salary up to £65k * Hybrid working from Hungerford HQ (3 days onsite) * Tech stack: C#, ASP.NET, .NET CORE, SQL, Azure * Clear career progression into the leadership team * Opportunities to work with technologies such as React and .NET MAUI - We're a global SaaS company offering a cloud-based platform. Headquartered in Hungerford, we also have offices across the UK and internationally. We pride ourselves on being a great place to work, with a modern, forward-thinking approach to workplace flexibility and employee wellbeing. WHAT YOU'LL BE DOING - You'll be responsible for managing multiple concurrent projects, ensuring timely delivery, maintaining high code quality, and following established development standards. This role involves defining objectives, completing programming tasks, and developing applications and fixes in l
Opportunity to join a global SaaS company * Salary up to £65k * Hybrid working from Hungerford HQ (3 days onsite) * Tech stack: C#, ASP.NET, .NET CORE, SQL, Azure * Clear career progression into the leadership team * Opportunities to work with technologies such as React and .NET MAUI - We're a global SaaS company offering a cloud-based platform. Headquartered in Hungerford, we also have offices across the UK and internationally. We pride ourselves on being a great place to work, with a modern, forward-thinking approach to workplace flexibility and employee wellbeing. WHAT YOU'LL BE DOING - You'll be responsible for managing multiple concurrent projects, ensuring timely delivery, maintaining high code quality, and following established development standards. This role involves defining objectives, completing programming tasks, and developing applications and fixes in l
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Senior Software Engineer for Southampton based organisation
Senior Software Engineer for Southampton based organisation
Claremont Consulting
SO14, Southampton
£55000.00 - £66000.00 per annum + Many benefits, superb pension
Senior Software Engineer for hybrid IT role with my client's offices being based in Southampton - My client is looking to recruit a Senior Software Engineer with excellent .Net c# developer skills - Working with other members of the team to collaborate to produce high-quality software solutions contributing to and following established development practices. The Technology function is responsible for the delivery of business and technology change including the provision of robust infrastructure and IT service operations - The Technology function brings technology enabled innovation to market by developing relevant, integrated and optimised solutions that are scalable, commercially viable and deliver long-term value aligned to the business strategy. Working as a strategic partner to the business the aim of the departme
Senior Software Engineer for hybrid IT role with my client's offices being based in Southampton - My client is looking to recruit a Senior Software Engineer with excellent .Net c# developer skills - Working with other members of the team to collaborate to produce high-quality software solutions contributing to and following established development practices. The Technology function is responsible for the delivery of business and technology change including the provision of robust infrastructure and IT service operations - The Technology function brings technology enabled innovation to market by developing relevant, integrated and optimised solutions that are scalable, commercially viable and deliver long-term value aligned to the business strategy. Working as a strategic partner to the business the aim of the departme
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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