26 to 42 of 42 API Development Jobs in the UK

performing engineering team. You will take a lead role in the design and delivery of complex, enterprise-scale solutions, bringing strong Java, AWS, and API expertise to a programme that is making a real difference to patient care across the country. KEY RESPONSIBILITIES Lead the design and development … applying well-architected principles throughout Design, develop, and test REST APIs to a high standard, ensuring performance, reliability, and security Use Postman for API testing, documentation, and validation across development and test environments Contribute to architectural decisions and technical standards alongside the Technical Architect Carry out thorough code ...

high-availability, data-intensive applications Collaborate with engineering, data, and business teams Required Experience Strong Python experience (Django, Flask or FastAPI) Proven backend/API development experience Experience within banking or financial services Exposure to cloud (AWS/Azure/GCP) and modern engineering practices Nice To Have ...

automation pipelines and network environments Create clear and concise technical documentation Contribute to evolving automation standards and best practices What Were Looking For Automation & Development Strong Python skills, including API development, integration, and testing Experience writing high-quality, testable code and participating in code reviews Hands ...

Dataverse • Supporting Power BI reporting and dashboards • Investigating and resolving technical issues • Supporting CRM-related functionality and integrations Required Skills: • .NET/.NET Core development experience • Power Platform experience or strong interest • SQL Server/T-SQL • API development • Umbraco CMS or similar platforms • Git version control ...

focused, combining platform thinking with hands-on AI delivery. The role will involve designing and building MCP servers, AI tools, orchestration Skills, and secure API integrations that expose enterprise systems safely to LLM-powered agents. You'll also contribute to agent planning, tool-calling frameworks, RAG architecture … experience for internal AI platform adoption. Key requirements: * Strong Python engineering experience * Experience with LLMs, AI agents, and agentic reasoning patterns * FastAPI and REST API development * RAG and prompt engineering experience * Kubernetes/containerisation knowledge * Exposure to MCP or similar AI tooling frameworks * Ability to work across platform ...

software engineering experience, ideally in engineering or scientific software dealing with large data volumes for an expert userbase Awareness of security and compliance considerations API development, for internal boundaries and potentially external usage Being involved in ensuring operational success through monitoring/diagnostics and troubleshooting for deployments … continuous improvement Languages of interest include Python, C++ and C#. Software may be desktop or web + cloud. Mobile app development is not a primary focus. AI and ML techniques are likely working with numerical data or imaging rather than natural language/LLM. The role offers a highly ...

Experience Required Strong programming and scripting skills (Python and Bash essential) Solid experience with cloud platforms - AWS and/or Azure Strong understanding of API development and security Experience designing or implementing security controls in complex environments Knowledge of, or strong interest in, data science and AI-driven … role with strong visibility across engineering and leadership teams Flexible working arrangements and a strong culture of collaboration Competitive compensation and long-term career development ...

Experience Required Strong programming and scripting skills (Python and Bash essential) Solid experience with cloud platforms - AWS and/or Azure Strong understanding of API development and security Experience designing or implementing security controls in complex environments Knowledge of, or strong interest in, data science and AI-driven … role with strong visibility across engineering and leadership teams Flexible working arrangements and a strong culture of collaboration Competitive compensation and long-term career development ...

experience writing high-quality Python in a commercial environment • Hands-on experience working with large language models (OpenAI, Anthropic, Mistral, or similar) • Familiarity with API development and modern software architecture • Understanding of prompt design and managing AI-generated outputs • Ideally have experience in RAG pipelines and vector databases ...

APIs, ensuring performance, reliability, and security standards are met Write and maintain automated end-to-end test suites using Playwright as part of the development workflow Contribute to architectural decisions and engineering standards alongside the Technical Architect Carry out thorough code reviews, championing quality and best practice across … automated build, test, and deployment processes Collaborate effectively with cross-functional teams including architects, testers, and product owners Troubleshoot and resolve complex issues across development, test, and live environments SKILLS AND EXPERIENCE NHS or government experience is essential - candidates without this will not be considered Strong, demonstrable senior-level ...

APIs, ensuring performance, reliability, and security standards are met Write and maintain automated end-to-end test suites using Playwright as part of the development workflow Contribute to architectural decisions and engineering standards alongside the Technical Architect Carry out thorough code reviews, championing quality and best practice across … automated build, test, and deployment processes Collaborate effectively with cross-functional teams including architects, testers, and product owners Troubleshoot and resolve complex issues across development, test, and live environments SKILLS AND EXPERIENCE NHS or government experience is essential - candidates without this will not be considered Strong, demonstrable senior-level ...

Python Developer - 6 months - Wokingham - Contract We are seeking an experienced Python Developer with strong expertise in algorithm development, optimisation modelling, and data-driven software engineering. This role focuses on building scalable Python applications, developing RESTful APIs, and supporting advanced analytical and optimisation solutions within a cloud-based environment. … Experience Required: 8+ years' experience as a Python Developer. Strong proficiency in Python programming and optimisation/analytics libraries. Proven experience with algorithm development and computational problem solving. Hands-on experience with data analytics, databases, and API development. Strong debugging, profiling, and performance optimisation skills. Excellent communication ...

standards Conduct code reviews and contribute to engineering best practices within the team Integrate with RESTful APIs and Back End services, working closely with API developers Troubleshoot and resolve performance issues, crashes, and production defects Support Google Play Store submission processes and manage release cycles Contribute to technical documentation … architecture decisions, and sprint ceremonies Essential Skills & Experience Strong experience in native Android development using Kotlin (Java experience also valued) Solid understanding of Android SDK, Android Studio, and the Google development ecosystem Experience with common Android architectural patterns (eg MVVM, MVI, Clean Architecture) Proficiency with Android frameworks such ...

standards Conduct code reviews and contribute to engineering best practices within the team Integrate with RESTful APIs and Back End services, working closely with API developers Troubleshoot and resolve performance issues, crashes, and production defects Support App Store submission processes and manage release cycles Contribute to technical documentation, architecture … decisions, and sprint ceremonies Essential Skills & Experience Strong experience in native iOS development using Swift Solid understanding of iOS SDK, Xcode, and the Apple development ecosystem Experience with common iOS architectural patterns (eg MVVM, VIPER, Clean Architecture) Proficiency with iOS frameworks such as UIKit, SwiftUI, Combine, Core Data ...

standards Conduct code reviews and contribute to engineering best practices within the team Integrate with RESTful APIs and Back End services, working closely with API developers Troubleshoot and resolve performance issues, crashes, and production defects Support App Store submission processes and manage release cycles Contribute to technical documentation, architecture … decisions, and sprint ceremonies Essential Skills & Experience Strong experience in native iOS development using Swift Solid understanding of iOS SDK, Xcode, and the Apple development ecosystem Experience with common iOS architectural patterns (eg MVVM, VIPER, Clean Architecture) Proficiency with iOS frameworks such as UIKit, SwiftUI, Combine, Core Data ...

aligned with business goals. What They Are Looking For Degree in Computer Science, Information Systems, or related field. Minimum 3 years' experience in software development, with strong skills in SharePoint, SQL Server, and the .NET environment. Proficiency in C#, ASP.NET MVC/Core, and web API development. Experience … with front-end frameworks and modern development practices. Strong problem-solving skills and ability to manage multiple projects. Excellent communication and collaboration skills. Why Apply? This is a fantastic opportunity to join a prestigious global organization that values innovation and offers a collaborative, forward-thinking environment. You'll work ...

model deployment. Use Python to automate processes and optimise workflows. Handle large datasets, including data preprocessing, feature engineering, and model evaluation. Lead the agile development of AI solutions from concept through deployment and ongoing improvement. Create and maintain comprehensive technical documentation. Communicate complex AI concepts clearly to stakeholders … solution engineering, with a focus on large language models, prompt engineering, and RAG implementations. Strong skills in data analytics, MLOps practices, and API development. Knowledge of governance frameworks for AI/ML models. Python expertise for automation. Experience working with large datasets and deploying AI solutions in an agile ...