126 to 150 of 269 API Development Jobs in the UK

customer functionality What we're looking for Youll ideally bring: Strong commercial C#/.NET engineering experience Modern .NET/ASP.NET Core/REST API development Genuine full-stack capability React, Angular, TypeScript, JavaScript or similar SQL and strong software-engineering fundamentals Cloud exposure across Azure and/ ...

customer functionality What we're looking for Youll ideally bring: Strong commercial C#/.NET engineering experience Modern .NET/ASP.NET Core/REST API development Genuine full-stack capability React, Angular, TypeScript, JavaScript or similar SQL and strong software-engineering fundamentals Cloud exposure across Azure and/ ...

customer functionality What we're looking for Youll ideally bring: Strong commercial C#/.NET engineering experience Modern .NET/ASP.NET Core/REST API development Genuine full-stack capability React, Angular, TypeScript, JavaScript or similar SQL and strong software-engineering fundamentals Cloud exposure across Azure and/ ...

customer functionality What we're looking for Youll ideally bring: Strong commercial C#/.NET engineering experience Modern .NET/ASP.NET Core/REST API development Genuine full-stack capability React, Angular, TypeScript, JavaScript or similar SQL and strong software-engineering fundamentals Cloud exposure across Azure and/ ...

mission-critical applications, ensuring alignment with business goals and industry best practicesLead and mentor a team of software engineers, providing guidance, support, and professional development opportunitiesDrive the design and implementation of high-performance backend services using Java and cloud-native technologiesChampion the development of highly resilient, share-nothing … tolerance, high availability, and disaster recoveryDrive the adoption and optimization of MongoDB (including change streams), Kubernetes, and other modern platformsSet and enforce standards for API design and development (REST/gRPC), including best practices for versioning, documentation, and error handling to ensure robust, secure, and scalable interfacesGuide ...

systems and own their reliability Tech Stack Skills: · Language: C# on .NET (primary, and what you’ll write every day) · Frameworks: ASP.NET Core (Web API), Azure Functions (isolated worker) · Database: SQL Server, accessed via Entity Framework Core and/or Dapper (you’ll write queries, design schemas, and optimise … foundation . The Azure-specific skills can be learned on the job. Requirements: You Must Have · 7+ years professional software development experience, primarily in C#/.NET, including time leading, mentoring, or coaching other engineers · People leadership: you’ve coached, mentored, or line-managed developers, and you get satisfaction ...

Challenge: Greenfield Trading platform, API development, industry specific challenges Firm: Well-known Fintech Trading Platform Vendor, Surbiton, 30 man flat global Dev Team Pay: 80k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingFull Stack Javascript Software Engineer Quant Capital is urgently looking for a Full … valuations and pricing of derivatives to most of the buy side.I am seeking a full stack developer to work as part of a larger development team focused on driving innovation across a cloud-enabled, microservices platform for the Institutional & Investment Management divisionThis is an opportunity for an individual with ...

Tech: Javascript, TypeScript, MongoDB, Angular, HTML5, CSS, BootstrapChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Fintech Trading Platform Vendor, City of London, 30 man flat global Dev TeamPay: 80k, Bonus- 750 training budget, Unlimited holiday, Pension, Life/Health, Some Flex WorkingJunior Full Stack Javascript … valuations and pricing of derivatives to most of the buy side.I am seeking a full stack developer to work as part of a larger development team focused on driving innovation across a cloud-enabled, microservices platform for the Institutional & Investment Management divisionThis is an opportunity for an individual with ...

projects supporting National Security customers. This is an opportunity to work on challenging AWS environments where you'll have genuine ownership across the design, development, deployment and maintenance of cloud applications and services. The Role You'll join an experienced, autonomous DevOps/Software Engineering team, working closely with … Actions, GitLab, Bamboo, Bitbucket etc. • Docker/Kubernetes • Cloud networking, Linux, routing and security • Monitoring, observability and operational tooling • Agile delivery environments • Microservices and API development National Security & Clearance This is a National Security-focused role. You'll be working on projects supporting customers across the UK National ...

projects supporting National Security customers. This is an opportunity to work on challenging AWS environments where you'll have genuine ownership across the design, development, deployment and maintenance of cloud applications and services. The Role You'll join an experienced, autonomous DevOps/Software Engineering team, working closely with … Actions, GitLab, Bamboo, Bitbucket etc. Docker/Kubernetes Cloud networking, Linux, routing and security Monitoring, observability and operational tooling Agile delivery environments Microservices and API development National Security & Clearance This is a National Security-focused role. You'll be working on projects supporting customers across the UK National ...

projects supporting National Security customers. This is an opportunity to work on challenging AWS environments where you'll have genuine ownership across the design, development, deployment and maintenance of cloud applications and services. The Role You'll join an experienced, autonomous DevOps/Software Engineering team, working closely with … Actions, GitLab, Bamboo, Bitbucket etc. Docker/Kubernetes Cloud networking, Linux, routing and security Monitoring, observability and operational tooling Agile delivery environments Microservices and API development National Security & Clearance This is a National Security-focused role. You'll be working on projects supporting customers across the UK National ...

projects supporting National Security customers. This is an opportunity to work on challenging AWS environments where you'll have genuine ownership across the design, development, deployment and maintenance of cloud applications and services. The Role You'll join an experienced, autonomous DevOps/Software Engineering team, working closely with … Actions, GitLab, Bamboo, Bitbucket etc. Docker/Kubernetes Cloud networking, Linux, routing and security Monitoring, observability and operational tooling Agile delivery environments Microservices and API development National Security & Clearance This is a National Security-focused role. You'll be working on projects supporting customers across the UK National ...

They're looking for an experienced Software Engineer who enjoys ownership and solving complex engineering challenges. You'll likely have experience with: Python REST API development Distributed systems or microservices SQL databases Cloud platforms (ideally Azure) CI/CD pipelines Test-driven development and automated testing Building … more. What's in it for you? Equity options Hybrid working 25 days holiday (as well as bank holidays) Private pension Dedicated learning & development budget Modern engineering culture with genuine technical ownership Cycle to Work & Green Car schemes Subsidised gym membership Employee rewards platform Annual volunteering day Life assurance ...

develop threat modelsPerforming security control audits and coordinating with other teams within the organisation to implement the outcomes of security controlsSkills:Cloud Security and Development (AWS a prerequisite)Understanding and experience with CICD and secure CICD best practices (CircleCI)Vulnerability Mgmt tooling (code scanning, IaC)Security expertise in cryptography … exploit developmentStrong investigative and analytical problem solving skills.Experience with secure architecture design. Strong communication skills, both written and spoken.Penetration testing experience.Proficient in software development, auditing code and features.Experience with SQL and API development best practices is a plus.Qualifications:Bachelor's or Master's degree in Computer Science ...

their success.Configure the Creatio no-code/low-code platform to build robust and scalable CRM/BPM solutions.Contribute to the technical design, development, and deployment of Creatio solutions, which may include coding and API development for more complex requirements.Contribute to the improvement of our standards, approaches … role.Ability to explain technical concepts clearly to both technical and non-technical audiences.Desirables:Creatio certifications (e.g., Creatio Certified Professional, Creatio Developer).Experience with Creatio development tools and concepts (e.g., C#, JavaScript, SQL, Creatio SDK) for extending platform functionality.Familiarity with relational database concepts and data integration techniques.Familiarity with agile development ...

their success.Configure the Creatio no-code/low-code platform to build robust and scalable CRM/BPM solutions.Contribute to the technical design, development, and deployment of Creatio solutions, which may include coding and API development for more complex requirements.Contribute to the improvement of our standards, approaches … role.Ability to explain technical concepts clearly to both technical and non-technical audiences.Desirables:Creatio certifications (e.g., Creatio Certified Professional, Creatio Developer).Experience with Creatio development tools and concepts (e.g., C#, JavaScript, SQL, Creatio SDK) for extending platform functionality.Familiarity with relational database concepts and data integration techniques.Familiarity with agile development ...

their success.Configure the Creatio no-code/low-code platform to build robust and scalable CRM/BPM solutions.Contribute to the technical design, development, and deployment of Creatio solutions, which may include coding and API development for more complex requirements.Contribute to the improvement of our standards, approaches … role.Ability to explain technical concepts clearly to both technical and non-technical audiences.Desirables:Creatio certifications (e.g., Creatio Certified Professional, Creatio Developer).Experience with Creatio development tools and concepts (e.g., C#, JavaScript, SQL, Creatio SDK) for extending platform functionality.Familiarity with relational database concepts and data integration techniques.Familiarity with agile development ...

critical applications, ensuring alignment with business goals and industry best practices Lead and mentor a team of software engineers, providing guidance, support, and professional development opportunities Drive the design and implementation of high-performance backend services using Java and cloud-native technologies Champion the development of highly resilient … availability, and disaster recovery Drive the adoption and optimization of MongoDB (including change streams), Kubernetes, and other modern platforms Set and enforce standards for API design and development (REST/gRPC), including best practices for versioning, documentation, and error handling to ensure robust, secure, and scalable interfaces Guide ...

building backend or distributed systems Cloud experience: GCP preferred, although AWS or Azure is also valuable Experience with Docker and containerised applications Strong REST API development experience Experience with event-driven architectures or messaging Experience working with real-time data or high-throughput systems An understanding of designing ...

building backend or distributed systems Cloud experience: GCP preferred, although AWS or Azure is also valuable Experience with Docker and containerised applications Strong REST API development experience Experience with event-driven architectures or messaging Experience working with real-time data or high-throughput systems An understanding of designing ...

squad goals, prioritize and complete initiatives, and deliver results in a product-led, empowered environment. Our ability to lead multiple collaborators, and our software development and engineering experience are important for success in this role. In This Role You Will Lead a squad that is a part … influencing peers through to senior leadership. Core Technical Skills: Java (8+) and JEE — advanced proficiency including concurrency, design patterns, and performance tuning RESTful API design and development Microservices architecture and design PostgreSQL — query optimisation, indexing, schema design, and stored procedures Relational data modelling and database design Unit testing ...

Technical Leads) Mentor developers and provide technical leadership across squads Essential Skills Strong commercial experience with Python Excellent hands-on experience with Django REST API development System design and software architecture experience Agile delivery experience Test-Driven Development (TDD) Cloud platform experience (AWS, Azure or GCP) Excellent ...

Technical Leads) Mentor developers and provide technical leadership across squads Essential Skills Strong commercial experience with Python Excellent hands-on experience with Django REST API development System design and software architecture experience Agile delivery experience Test-Driven Development (TDD) Cloud platform experience (AWS, Azure or GCP) Excellent ...

Tech: C#, ASP.NET MVC 5, SQL, Anngular.JS Web API CFChallenge: Greenfield Automated Data platform, API development, industry specific challengesFirm: Well-known digital mapping solutions, Guildford , 20 man flat Dev TeamPay: 60k, Bonus- 750 training budget, Pension, Life/Health, Some Flex Working.NET Core Developer Fintech SQLQuant Capital … GuilfordCommutable fromCamberley Godalming Guildford Bracknell Dorking Reigate Petersfield Croydon Reigate Leatherhead Richmond Epsom “South London” Esher WokingGreenfield. C# Lead Software Developer, .Net Senior Developer, Development Lead, Technical Lead, Lead Application Developer Fullstack (web technologies, HTML, JQuery, AngularJS, SQL Server, C#, API ...

Applied AI engineering, ML engineering or software engineering background Experience with LLMs, RAG, embeddings, prompt engineering or fine tuning Exposure to LangChain, LangGraph, Agent Development Kit or similar agent frameworks Experience with vector databases such as Pinecone, Chroma or similar API development experience, ideally with FastAPI ...