51 to 75 of 118 API Development Jobs in England

BENEFITS £50-60k salary depending on experience Hybrid working - 4 days per week on-site, 1 day remote Modern technology stack and greenfield development opportunities Opportunity to mentor and lead a growing engineering team High level of ownership and influence across architecture and delivery Collaborative and ambitious engineering … .NET MAUI mobile applications - contributing from concept through to deployment. ESSENTIAL SKILLS Strong commercial experience with C#/.NET Modern .NET 8/10 development experience Blazor/Razor Components ASP.NET Core REST API development Entity Framework Core AWS infrastructure experience MySQL CI/CD pipelines using ...

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 ...

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 ...

models Performing security control audits and coordinating with other teams within the organization to implement the outcomes of security controls Skills: 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 development Strong 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 ...

over the next coming weeks. We're looking for backend engineers who enjoy building scalable services, solving complex technical challenges and working with modern development practices. What we're looking for: Strong commercial experience with Go (Golang) (essential) Backend engineering and microservices RESTful API development and integration … Experience building cloud-native or distributed systems Comfortable contributing across the stack where required Experience using AI-assisted development tools (Copilot, Cursor, ChatGPT, Claude etc.) Nice to have: React experience Kubernetes, Docker or cloud platform experience (AWS, Azure or GCP) Consultancy or client-facing project experience Experience delivering large ...

production efficiency, and customer experience. Software Engineer – CNC & Connected Manufacturing Solutions We are seeking an experienced and motivated Software Engineer to join a specialist development team delivering innovative digital solutions for the CNC machining and manufacturing sector. Working closely with machine tool experts, customers, and fellow developers, you will … that enables connected manufacturing, machine monitoring, data integration, and operational optimisation. This is a hands-on role where you will contribute throughout the software development lifecycle, from concept and design through to deployment and customer support. Experience within a CNC machining, machine tool, precision engineering, or manufacturing environment ...

client sites, and your home; noting that you will be unable to work at home 100% of the time. Your Role: Perform hands‐on development using the latest versions of .NET, C#, and frontend technologies including React and TypeScript. Build full‐stack solutions, integrating React/TypeScript user interfaces … with .NET backend APIs. Apply strong expertise in Object‐Oriented Programming (OOP), design patterns, SOLID principles, and architectural patterns. Contribute to the development of high‐volume, high‐availability enterprise-scale applications. Work within Agile delivery methodologies, ideally with experience in SCRUM. Design, optimize, and maintain database systems, with strong ...

banking experience who is happy to be hands on (80%) and 20% architectural leadership by leading through example. Your responsibilities will include: Lead the development and implementation of a modern cloud foundation and data platform that is robust, scalable, fully automated, secure, and can support the growth … business. Build Scalable Architectures: Leverage modern technologies to design and implement scalable, secure, and high-performing cloud-native solutions. API Development and Integration: Design and build secure RESTful and GraphQL APIs, ensuring seamless integration with core banking systems (e.g., Mambu) and external services like Open Banking platforms. Data ...

banking experience who is happy to be hands on (80%) and 20% architectural leadership by leading through example. Your responsibilities will include: Lead the development and implementation of a modern cloud foundation and data platform that is robust, scalable, fully automated, secure, and can support the growth … business. Build Scalable Architectures: Leverage modern technologies to design and implement scalable, secure, and high-performing cloud-native solutions. API Development and Integration: Design and build secure RESTful and GraphQL APIs, ensuring seamless integration with core banking systems (e.g., Mambu) and external services like Open Banking platforms. Data ...

life sciences and pharmaceutical organisations modernise and scale their statistical modelling capabilities. This role combines statistical expertise with modern data engineering practices, enabling the development of robust, reproducible, and production-ready analytical solutions. You'll work closely with biostatisticians, data scientists, and technical stakeholders to improve modelling approaches … complex statistical concepts into practical business and technical solutions Skills & Experience Essential Strong statistical background, ideally within Biostatistics Advanced R programming skills, including package development Experience with Git and collaborative development workflows Knowledge of CI/CD pipelines, automated testing, and software engineering best practices Strong understanding ...

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 ...

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 ...

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 ...

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 ...

sign-off Your Skills and Experience Core Java Skills - Good understanding of Java fundamentals including object-oriented programming, collections, exception handling and concurrency. Integration, API Development and Databases - Experience building and deploying event-driven and RESTful APIs, with foundational knowledge of SQL and relational database design Infrastructure ...

sign-off Your Skills and Experience Core Java Skills - Good understanding of Java fundamentals including object-oriented programming, collections, exception handling and concurrency. Integration, API Development and Databases - Experience building and deploying event-driven and RESTful APIs, with foundational knowledge of SQL and relational database design Infrastructure ...

seeking a Full Stack Developer to join a globally recognised organisation as part of a small development team, building and enhancing their product range. Previous commercial experience in a Full Stack development role is essential. The company offers flexible hybrid working, with just one day per month required … their London office. Technical Requirements C#/.NET React AWS or Azure API Development Agile Additional & Beneficial Skills: Salesforce Apex Please apply to this advert or email your CV direct to (url removed) Applicants must be based in the UK and possess British Citizenship, ILR or Settled Status. ...

seeking a highly skilled and innovative Lead Agentic AI Engineer to join our team and drive the design, development, and deployment of production‐grade generative AI and agentic solutions using Microsoft technologies. This role is ideal for a technically strong engineer who has hands‐on experience building AI solutions … Agent Framework Proficient in Python and production‐quality code practices Strong understanding of software engineering principles, architecture patterns, and delivery best practices Experience with API development using frameworks such as FastAPI, Flask, or Django Knowledge of Docker, containerised deployments, CI/CD, and cloud‐native delivery patterns What ...

with Terraform Candidate Requirements Experience 2+ years as an AI Engineer or Software Engineer with strong AI/ML exposure Technical Skills Backend/API development with FastAPI/Flask/Django Agentic frameworks (LangChain, LangGraph, Microsoft Agent Framework) PostgreSQL, plus exposure to NoSQL and vector databases Work ...

technologies. Strong background/education in the techniques and tools of data science and deep data analysis. Knowledge of AWS services, Microservices (Kubernetes, Docker), API Development and DevOps, or willingness to undertake training in these areas. Bachelor’s Degree in Management Information Systems or Computer Science is preferred ...

education in the techniques and tools of data science and deep data analysis • Have knowledge of the capabilities of AWS services, Microservices (Kubernetes, Docker), API Development and DevOps, or a willingness to undertake training in these areas • Bachelor's Degree in Management Information Systems or Computer Science ...

DESCRIPTION Step into the role of a Principal Information Architect (Executive Director) at JPMorganChase and become a promoting force behind the development and adoption of cutting‐edge, cloud‐based technologies. Make metadata real, usable, and impactful in modern engineering. In this role, you will sit at the intersection … influence direction through thought leadership (not people management), partnering with stakeholders to drive standards and adoption. You will help ensure models and metadata support development practices and regulatory asks in a clear, implementable way. This could suit a strong Information Architect with metadata experience and an interest in software ...

client data will be sourced, validated, and integrated into Mondra, leveraging where possible our existing Import and Export APIs and identifying where custom API development may be required for fulfil Mondra’s data requirements. You will also contribute to the client contracting process, ensuring technical commitments are clearly … including mapping data sources, transformation logic, and validation processes. Identify the client’s BI requirements, and define data export strategies (preferably via existing Mondra API). Identify the authentication/authorisation capabilities of the client, and promote the integration with Mondra’s Identity Provider via Single Sign On. Leverage ...

serverless services Develop and support MCP Servers and AI integration services Design event-driven architectures using Azure Service Bus Manage APIs through Azure API Management Expose AI capabilities through secure, auditable APIs and reusable services Support Copilot Studio and AI-enabled workflows Monitor and optimise AI and integration services … using Azure Monitor and Application Insights Work closely with business stakeholders to translate operational challenges into AI-enabled solutions Essential Experience C# and .NET development Azure API Management (APIM) Azure Functions Azure Service Bus REST API design and development Azure AI Foundry Azure OpenAI Event-driven ...

hands-on, backend focussed Software Engineer role at a global sports trading firm. What's in it for you: Salary to £90k Bonus Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Your role: As a Software Engineer within the trading engine team … team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City ...