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Api
Netherlands
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0 Permanent API jobs in Nederland, Nederland + 20 miles
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ClearCourse - Location: Remote - Salary: Competitive + Bonus + Benefits - Role Type: Full-Time, Permanent - Shape the Future of SaaS in a Hands-On, High-Impact Engineering Role - Are you a highly skilled C#/.NET and Angular developer with a passion for building clean, scalable software in a modern tech environment? Are you looking for the freedom to make meaningful technical decisions, mentor others, and contribute to a long-standing SaaS product used by thousands? Were seeking a Senior Software Engineer to join our small, agile development team at ClearCourse. Youll play a key role in designing, building, and maintaining a feature-rich, high-availability application hosted on Azurewhile influencing decisions across architecture, testing, performance, and quality. * C# 7+ / .NET * Angular 13+ * SQL Server * Redis * APIs and Integrations * Message Queues * CI/CD Pipeli
ClearCourse - Location: Remote - Salary: Competitive + Bonus + Benefits - Role Type: Full-Time, Permanent - Shape the Future of SaaS in a Hands-On, High-Impact Engineering Role - Are you a highly skilled C#/.NET and Angular developer with a passion for building clean, scalable software in a modern tech environment? Are you looking for the freedom to make meaningful technical decisions, mentor others, and contribute to a long-standing SaaS product used by thousands? Were seeking a Senior Software Engineer to join our small, agile development team at ClearCourse. Youll play a key role in designing, building, and maintaining a feature-rich, high-availability application hosted on Azurewhile influencing decisions across architecture, testing, performance, and quality. * C# 7+ / .NET * Angular 13+ * SQL Server * Redis * APIs and Integrations * Message Queues * CI/CD Pipeli
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This is an exciting new opportunity with a cybersecurity business who are looking to hire a Senior MERN Full Stack Engineer in a permanent position. For this role you will be an SME in the MERN space, working on elevating the team and implementing new features across the business. Fully remote opportunity that can be based anywhere +/- 4 hours UTC (ideally mainland Europe). Salary is doe, up to €100k. You will be a product-focused developer who is looking to take on a challenge in scaling this start up, coming from a product / start up / SaaS background yourself with at least 5 years experience in the MERN space. * MongoDB * Express * React / Javascript / Typescript * NodeJS * AWS * Keen interest in cyber security - desirable * Understanding of AI within software engineering - Please ensure that your
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Senior Backend Engineer
Senior Backend Engineer
Plexus Resource Solutions Ltd
United States
From £190,000 to £240,000 per annum
They are looking for a Senior Backend Engineer to join their DEX team to design, built and scale the services that power decentralized trading. * 5+ years of backend engineering experience (3+ years building high-throughout backend systems) $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. * 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 block
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Software Developer - Active SC, Python, AWS
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Hays
London
£400.0 - £425.0 per day + up to £425 per day (InsideIR35)
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Senior Software Engineer (£65k + benefits)
InterQuest Group (UK) Limited
Manchester, Greater Manchester
£60k - 65k per year + benefits
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Great opportunity for a Senior Software Engineer to join a private equity backed tech company in Manchester as they scale in 2025. You’d join a product-based squad within a larger engineering function and would be given the opportunity to be involved in all aspects of the product you work on, from ideation through to deployment and maintenance. Each squad decides the methodologies and practices they use, and the business has created an experimental culture, following a build, measure and learn approach to get quick feedback and deliver valuable increments. The existing group are very open minded, they value teamwork over individual heroics and focus on engineering best practice like TDD and Pair Programming. * C#, .NET Core, React * REST APIs, Microservices * AWS, Terraform, Docker * CI/CD, TDD, Pair Programming - The money is good too – up to £65k pl
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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We have a great opportunity for a FoxPro Developer to join the team. The ideal candidate will have Strong knowledge of FoxPro, Git, Code Version Management. Development, Maintenance, Production Support and delivery of FoxPro based applications. Strong knowledge of FoxPro, Git, Code Version Management? 6 Month contract initially - Based: 100% Remote working - Rate: £400 - £450 p/d (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. Demonstrable knowledge of data structures and hands-on experience in working with databases. Key Responsibilities:? Collaborate with cross-functional teams including designers, product owners, manag
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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
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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
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You will be part of the team of engineers responsible for the development of the NOMAD instrument control system in use at the ILL. As a member of the software development team, you will contribute to a collaborative European project focused on scientific data management. * Taking charge of the deployment of the software on various instruments, with particular emphasis on the live update of the data catalogue * Experience in developing software for industrial applications; hands-on and pragmatic approach - Grenoble, Rhne-Alpes, France - Context - The Institut Laue-Langevin (ILL), situated in Grenoble, France, is Europe's leading research facility for scientific research using neutrons. Every year, we host over 2000 visits by scientists, who come to the Institute to carry out world-class research. Your
You will be part of the team of engineers responsible for the development of the NOMAD instrument control system in use at the ILL. As a member of the software development team, you will contribute to a collaborative European project focused on scientific data management. * Taking charge of the deployment of the software on various instruments, with particular emphasis on the live update of the data catalogue * Experience in developing software for industrial applications; hands-on and pragmatic approach - Grenoble, Rhne-Alpes, France - Context - The Institut Laue-Langevin (ILL), situated in Grenoble, France, is Europe's leading research facility for scientific research using neutrons. Every year, we host over 2000 visits by scientists, who come to the Institute to carry out world-class research. Your
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Software Engineer
Software Engineer
Guidant Global
Stevenage, Hertfordshire, SG1 2DA
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
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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We are looking for a motivated Partner Enablement Engineer to guide our key partners and customers with NCCL. * Engage with our partners and customers to root cause functional and performance issues reported with NCCL * Develop tools and automation to isolate issues on new systems and platforms, including cloud platforms (Azure, AWS, GCP, etc.) Prior system administration experience, esp for large clusters. NVIDIA is leading the way in groundbreaking developments in Artificial Intelligence, High Performance Computing and Visualization. The GPU, our invention, serves as the visual cortex of modern computers and is at the heart of our products and services. Our work opens up new universes to explore, enables amazing creativity and discovery, and powers what were once sc
We are looking for a motivated Partner Enablement Engineer to guide our key partners and customers with NCCL. * Engage with our partners and customers to root cause functional and performance issues reported with NCCL * Develop tools and automation to isolate issues on new systems and platforms, including cloud platforms (Azure, AWS, GCP, etc.) Prior system administration experience, esp for large clusters. NVIDIA is leading the way in groundbreaking developments in Artificial Intelligence, High Performance Computing and Visualization. The GPU, our invention, serves as the visual cortex of modern computers and is at the heart of our products and services. Our work opens up new universes to explore, enables amazing creativity and discovery, and powers what were once sc
NEW
Full Stack Engineer | Typescript, Python, GCP
Full Stack Engineer | Typescript, Python, GCP
Wilson Brown Limited
EC1, City of London
From £550 to £600 per day
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
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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