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Strong knowledge of API design, integration methods (REST, Webhooks, GraphQL), and authentication protocols (OAuth2, JWT).
Strong knowledge of API design, integration methods (REST, Webhooks, GraphQL), and authentication protocols (OAuth2, JWT).
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13 exact matches jobs are outside your preferred location
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Experience with API automation (Postman or similar).
Experience with API automation (Postman or similar).
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Backend engineer
Backend engineer
LA International Computer Consultants Ltd
SN13, Corsham
£500 - £600 per day + price in
Architect and implement backend services that support secure, air-gapped AI - deployments, with a focus on NLP-based tooling * Develop pipelines for transcription ingestion and real-time analytical insight - generation * Support graph and RAG-based inference layers using data from structured and - unstructured sources * Build and expose APIs for frontend consumption, enabling natural-language - querying, dynamic visualisation, and reporting * Ensure system portability via containerisation * Collaborate closely with data scientists to integrate self-hosted LLMs and - analysis models into the backend infrastructure * Work with platform engineers to tune deployments for hardware-limited - environments - What You Bring * Strong experience building secure, scalable backend systems in Python and/or - Go * Deep understanding of containerised services, particularly in Kuberne
Architect and implement backend services that support secure, air-gapped AI - deployments, with a focus on NLP-based tooling * Develop pipelines for transcription ingestion and real-time analytical insight - generation * Support graph and RAG-based inference layers using data from structured and - unstructured sources * Build and expose APIs for frontend consumption, enabling natural-language - querying, dynamic visualisation, and reporting * Ensure system portability via containerisation * Collaborate closely with data scientists to integrate self-hosted LLMs and - analysis models into the backend infrastructure * Work with platform engineers to tune deployments for hardware-limited - environments - What You Bring * Strong experience building secure, scalable backend systems in Python and/or - Go * Deep understanding of containerised services, particularly in Kuberne
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Understanding of data architecture and API design.
Understanding of data architecture and API design.
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Full Stack .NET Developer - Azure - Cardiff
Full Stack .NET Developer - Azure - Cardiff
Circle Group
CF1, Cardiff
£40000 - £50000 per annum + + Benefits
You should also have some development experience in the Cloud with Azure & third-party API integrations
You should also have some development experience in the Cloud with Azure & third-party API integrations
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Full Stack .NET Developer - Azure - Cardiff
Full Stack .NET Developer - Azure - Cardiff
Circle Group
CF1, Cardiff
£40000 - £50000 per annum + + Benefits
You should also have some development experience in the Cloud with Azure & third-party API integrations
You should also have some development experience in the Cloud with Azure & third-party API integrations
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Develop efficient data access patterns within our Python API to support application performance and scalability * Experience with event-driven design patterns and frontend state management (Redux, Context API)
Develop efficient data access patterns within our Python API to support application performance and scalability * Experience with event-driven design patterns and frontend state management (Redux, Context API)
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Senior Manager, Software Implementation & Product Adoption
Senior Manager, Software Implementation & Product Adoption
Command Alkon UK Ltd
Bristol, Avon
Competitive
As we experience rapid growth in SaaS products, a key focus will be on developing a SaaS and API integration services model.
As we experience rapid growth in SaaS products, a key focus will be on developing a SaaS and API integration services model.
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A Senior ServiceNow Developer is sought by our client to work with their team to deliver continuous improvement and development of the Roadmap for end users. The existing team is a mixture of their own resources and 3rd party suppliers. You will be a highly experienced ServiceNow consultant, with a proven track record in ServiceNow development, including certification and experience in implementing different ServiceNow implementation levels and components.. Key Details * INSIDE IR35 * Remote working - Hybrid model * 2 days per week on-site available across various UK locations * 4 months * Must be UK resident * Must be able to work without sponsorship - Essential Criteria * Significant previous experience of working at a Senior ServiceNow level, including Architecture and Developer * Strong solution design experience, including helping influence product roadmaps and s
A Senior ServiceNow Developer is sought by our client to work with their team to deliver continuous improvement and development of the Roadmap for end users. The existing team is a mixture of their own resources and 3rd party suppliers. You will be a highly experienced ServiceNow consultant, with a proven track record in ServiceNow development, including certification and experience in implementing different ServiceNow implementation levels and components.. Key Details * INSIDE IR35 * Remote working - Hybrid model * 2 days per week on-site available across various UK locations * 4 months * Must be UK resident * Must be able to work without sponsorship - Essential Criteria * Significant previous experience of working at a Senior ServiceNow level, including Architecture and Developer * Strong solution design experience, including helping influence product roadmaps and s
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Expertise in cloud architecture, microservices, API gateway design, DevOps practices, datapipelines, and enterprise service mesh architecture.
Expertise in cloud architecture, microservices, API gateway design, DevOps practices, datapipelines, and enterprise service mesh architecture.
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Experience with API, integration, and automation testing.
Experience with API, integration, and automation testing.
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Collaborate with Ops Tech to manage API use, system performance, and platform scalability. * Working knowledge of JavaScript or Python for API interactions for customizations.
Collaborate with Ops Tech to manage API use, system performance, and platform scalability. * Working knowledge of JavaScript or Python for API interactions for customizations.
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Experience designing and managing API-based integrations and middleware tools (e.g., Zapier, Workato, Tray.io)
Experience designing and managing API-based integrations and middleware tools (e.g., Zapier, Workato, Tray.io)
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Role & Responsibilities - Role Overview - As a Junior Backend Engineer at Grabyo; you will have exposure to the backend APIs and services that power the core of the Grabyo Platform. Some days, you might be part of the team behind key features like building markers in the Live clipping or AI-powered highlights workflows. Other days, you could contribute to evolving our architecture as we advance towards a scalable, microservices-based platform. Java, Spring, Go, Node.js, NoSQL, serverless architectures, microservices, Terraform, AWS SAM, DynamoDB, media processing, Terraform, AWS Lambda these are a few of the state-of-the-art techs you will be working with - To make sure you keep growing your knowledge around tech, we provide you with professional development opportunities like Hackathons, development budget and pair programming days to improve our automated testing cu
Role & Responsibilities - Role Overview - As a Junior Backend Engineer at Grabyo; you will have exposure to the backend APIs and services that power the core of the Grabyo Platform. Some days, you might be part of the team behind key features like building markers in the Live clipping or AI-powered highlights workflows. Other days, you could contribute to evolving our architecture as we advance towards a scalable, microservices-based platform. Java, Spring, Go, Node.js, NoSQL, serverless architectures, microservices, Terraform, AWS SAM, DynamoDB, media processing, Terraform, AWS Lambda these are a few of the state-of-the-art techs you will be working with - To make sure you keep growing your knowledge around tech, we provide you with professional development opportunities like Hackathons, development budget and pair programming days to improve our automated testing cu
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Up to £65 per hour PAYE and Umbrella pay option available
Our esteemed client, a trusted partner of the UK Ministry of Defence, is seeking a highly skilled Software Engineer with expertise in C# and C++. As a Software Engineer, you will join a vital team that plays a key role in developing advanced weapon systems and system architectures. You'll be part of an agile development team of engineers from different disciplines, working together to create simulations and representations of actual equipment. Our approach to software development includes - This exciting role involves integrating real products, models, and synthetic environments to provide visualizations, demonstrations, verification and validation, training capabilities, and support. The WSSE team has established a unique capability that supports developments across the entire product life cycle. Thi
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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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Lead Software Engineer - Node/React - Hybrid - Inside IR35
Lead Software Engineer - Node/React - Hybrid - Inside IR35
The Bridge Ltd
St. Judes, BS1 1AD
£525 - 550 per day
This is a fantastic opportunity to work as a Lead Software Engineer, requiring 1 day per every other week on site in Bristol city centre, inside IR35. If you do have the relevant experience for this Lead Software Engineer vacancy, please apply. * React * Node * Jenkins * Terraform
This is a fantastic opportunity to work as a Lead Software Engineer, requiring 1 day per every other week on site in Bristol city centre, inside IR35. If you do have the relevant experience for this Lead Software Engineer vacancy, please apply. * React * Node * Jenkins * Terraform
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Senior Software Engineer (Pensions, ISAs & Investments)
Senior Software Engineer (Pensions, ISAs & Investments)
Hargreaves Lansdown
BS1, Bristol
£65000 - £80000 per annum + Strong Bonus & Pension etc
HL are looking for a talented full stack Senior Software Engineer to join our Pensions, ISAs & Investments product development team in building market leading solutions for our clients. * Experience of data platform technologies and collaboration with Data Engineers. Salary: Up to £80,000 dependent on experience - This is an opportunity to join the UK's number one investment services company, looking after over £149.7bn billion in assets on behalf of more than 1.86 million UK investors. This is your chance to genuinely stamp your mark on one of the UK's most innovative and digital-focused businesses. What You'll Be Doing * Collaborate with cross-functional teams to deliver high-quality digital client journeys. * Design and develop AWS cloud-native applications with TypeScript and React and manage them using Infrastructure as Code. * W
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Senior .NET C# Azure Developer
Senior .NET C# Azure Developer
Leeds Building Society
LS1, Leeds, LS1 4BJ
£57,000 to £65,000/Negotiable
And you can play your part too as a Senior .Net Developer, by helping to develop an integration layer to our new Core banking ecosystem, which is part of the largest transformation programme in our 150 year history. This is a great opportunity for a Senior .NET Developer to work on a 12 month fixed term contract basis to utilise their knowledge further in developing solutions for our Mortgage technology delivery stream. * Experienced Senior .NET Developer. * You are highly experienced in C#, .NET framework, .NET Core, Azure, API's and SQL Server. * Experience in working in an Azure DevOps/Agile environment. * Experience in delivering secure Cloud based solutions in Azure. How you'll help us live our purpose - 12 Month
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Location: UK (hybrid, ad-hoc visits to Southampton - reimbursable) Start: ASAP - Duration: 6 months+ Pay: OUTSIDE IR35 - Statement of Work - We're hiring 3 contract resources to join a high-impact digital transformation programme. We're looking for individuals with deep expertise in CommerceTools or STIBO STEP, ideally with experience building scalable, modern platforms using cloud-native technologies for large ecommerce clients. 1x Snr Solution Architect - Strategic ownership of technical architecture across CommerceTools or STIBO STEP implementations. 2x Principal Engineers - Hands-on leadership across development, best practices, and delivery. - Proven expertise in CommerceTools or STIBO STEP (PIM/MDM). - Strong experience with React, GraphQL, TypeScript, and microservices architecture. - Experience working with Azure Cloud and Cloudflare.
Location: UK (hybrid, ad-hoc visits to Southampton - reimbursable) Start: ASAP - Duration: 6 months+ Pay: OUTSIDE IR35 - Statement of Work - We're hiring 3 contract resources to join a high-impact digital transformation programme. We're looking for individuals with deep expertise in CommerceTools or STIBO STEP, ideally with experience building scalable, modern platforms using cloud-native technologies for large ecommerce clients. 1x Snr Solution Architect - Strategic ownership of technical architecture across CommerceTools or STIBO STEP implementations. 2x Principal Engineers - Hands-on leadership across development, best practices, and delivery. - Proven expertise in CommerceTools or STIBO STEP (PIM/MDM). - Strong experience with React, GraphQL, TypeScript, and microservices architecture. - Experience working with Azure Cloud and Cloudflare.
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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
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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