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21 API jobs in Leamington Spa + 20 miles
124 exact matches jobs are outside your preferred location
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We're seeking an experienced Senior Full Stack Developer to join our clients expanding technology team. In this role, you'll be instrumental in designing, developing, and maintaining high-quality, scalable web applications. You'll work across the full stack, collaborating closely with colleagues to deliver impactful, user-focused solutions. Key Responsibilities * Develop and maintain modern web applications using C# .NET (Core/Framework) and React. * Work with cross-functional teams to define requirements and deliver new features. * Write clean, scalable, and well-tested code. * Diagnose and resolve application issues to ensure optimal performance. You will have - * 3+ years' experience as a Full Stack Developer. * Strong hands-on expertise with C# .NET (Core) and React. * Good understanding of REST APIs, SQL/NoSQL databases, and Git version control.
We're seeking an experienced Senior Full Stack Developer to join our clients expanding technology team. In this role, you'll be instrumental in designing, developing, and maintaining high-quality, scalable web applications. You'll work across the full stack, collaborating closely with colleagues to deliver impactful, user-focused solutions. Key Responsibilities * Develop and maintain modern web applications using C# .NET (Core/Framework) and React. * Work with cross-functional teams to define requirements and deliver new features. * Write clean, scalable, and well-tested code. * Diagnose and resolve application issues to ensure optimal performance. You will have - * 3+ years' experience as a Full Stack Developer. * Strong hands-on expertise with C# .NET (Core) and React. * Good understanding of REST APIs, SQL/NoSQL databases, and Git version control.
We're seeking an experienced Senior Full Stack Developer to join our clients expanding technology team. In this role, you'll be instrumental in designing, developing, and maintaining high-quality, scalable web applications. You'll work across the full stack, collaborating closely with colleagues to deliver impactful, user-focused solutions. Key Responsibilities * Develop and maintain modern web applications using C# .NET (Core/Framework) and React. * Work with cross-functional teams to define requirements and deliver new features. * Write clean, scalable, and well-tested code. * Diagnose and resolve application issues to ensure optimal performance. You will have - * 3+ years' experience as a Full Stack Developer. * Strong hands-on expertise with C# .NET (Core) and React. * Good understanding of REST APIs, SQL/NoSQL databases, and Git version control.
We're seeking an experienced Senior Full Stack Developer to join our clients expanding technology team. In this role, you'll be instrumental in designing, developing, and maintaining high-quality, scalable web applications. You'll work across the full stack, collaborating closely with colleagues to deliver impactful, user-focused solutions. Key Responsibilities * Develop and maintain modern web applications using C# .NET (Core/Framework) and React. * Work with cross-functional teams to define requirements and deliver new features. * Write clean, scalable, and well-tested code. * Diagnose and resolve application issues to ensure optimal performance. You will have - * 3+ years' experience as a Full Stack Developer. * Strong hands-on expertise with C# .NET (Core) and React. * Good understanding of REST APIs, SQL/NoSQL databases, and Git version control.
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Barker Ross is a £50m+ recruitment business supplying industrial, warehouse, food manufacturing and construction staff across the UK. Were serious about using AI and automation to make life easier for our consultants and better for our clients and this role sits right at the heart of that. The role - Youll be the in-house AI & automation go-to owning, improving and expanding how we use AI across the business. * Designing and building AI-powered workflows to save time for sales, ops and back-office teams * Creating and maintaining automations between our CRM, job boards, marketing tools and reporting systems * Developing prompts, templates and tools to help consultants write better adverts, emails and messages faster * Working with the MD and leadership team to identify process bottlenecks and turn them into automated solutions
Barker Ross is a £50m+ recruitment business supplying industrial, warehouse, food manufacturing and construction staff across the UK. Were serious about using AI and automation to make life easier for our consultants and better for our clients and this role sits right at the heart of that. The role - Youll be the in-house AI & automation go-to owning, improving and expanding how we use AI across the business. * Designing and building AI-powered workflows to save time for sales, ops and back-office teams * Creating and maintaining automations between our CRM, job boards, marketing tools and reporting systems * Developing prompts, templates and tools to help consultants write better adverts, emails and messages faster * Working with the MD and leadership team to identify process bottlenecks and turn them into automated solutions
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The Role - An innovative financial services company, delivering award-winning software solutions, is seeking a Mid-Level Software Developer to join their growing team. You'll work across the full software development lifecycle, building reliable, scalable systems using C#, .NET, SQL, and Azure. This is a hands-on coding role where you'll contribute to new features, improve existing products, work on greenfield projects and collaborate closely with senior developers to deliver high-quality software. You'll have opportunities to learn from experienced colleagues, develop your technical skills, and grow within a supportive, fast-paced team. Requirements * Minimum 3 years of experience in C# .NET Core * Working knowledge of SQL Server and ORM technologies (Entity Framework) * Understanding of SOLID principles / DDD * Experience building or consuming RESTful APIs
The Role - An innovative financial services company, delivering award-winning software solutions, is seeking a Mid-Level Software Developer to join their growing team. You'll work across the full software development lifecycle, building reliable, scalable systems using C#, .NET, SQL, and Azure. This is a hands-on coding role where you'll contribute to new features, improve existing products, work on greenfield projects and collaborate closely with senior developers to deliver high-quality software. You'll have opportunities to learn from experienced colleagues, develop your technical skills, and grow within a supportive, fast-paced team. Requirements * Minimum 3 years of experience in C# .NET Core * Working knowledge of SQL Server and ORM technologies (Entity Framework) * Understanding of SOLID principles / DDD * Experience building or consuming RESTful APIs
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Senior Frontend Developer
Senior Frontend Developer
Pathfinder Business Solutions Ltd
Milton Keynes (MK9), MK9 3QA
From £50,000 to £60,000 per annum Full Benefits Pack
REST-based API development
REST-based API development
Familiarity with REST API and Soap Services
Familiarity with REST API and Soap Services
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API development experience
API development experience
FEATURED
Good understanding of OpenAPI / API documentation.
Good understanding of OpenAPI / API documentation.
Security Cleared (SC) Senior Technical Product Manager
Security Cleared (SC) Senior Technical Product Manager
GE Aviation Systems Ltd
Cheltenham, Gloucestershire
Competitive
Job Description Summary - Sr Staff Technical Product Manager- D&S- Avionics & Power Next Generation MES/QMS - Responsible for operating in lock-step with product management teams to create a clear strategic direction for development needs and conveys that vision to the build and/or operations team. You will direct the team with a clear and descriptive set of requirements and partner with the team to determine what can be delivered through balancing the need for new features, defects, and technical debt. Your priority is seamless integration and alignment of perspectives from a broad set of stakeholders: Product Managers, Technical Anchors, Product Owners and Developers. Job Description - Roles and Responsibilities * Demonstrate superior product and industry knowledge and helps organization to gain the competitive edge.
Job Description Summary - Sr Staff Technical Product Manager- D&S- Avionics & Power Next Generation MES/QMS - Responsible for operating in lock-step with product management teams to create a clear strategic direction for development needs and conveys that vision to the build and/or operations team. You will direct the team with a clear and descriptive set of requirements and partner with the team to determine what can be delivered through balancing the need for new features, defects, and technical debt. Your priority is seamless integration and alignment of perspectives from a broad set of stakeholders: Product Managers, Technical Anchors, Product Owners and Developers. Job Description - Roles and Responsibilities * Demonstrate superior product and industry knowledge and helps organization to gain the competitive edge.
Main Purpose of the job - We are looking for a Java Developer to join our growing Evolution development team. Our Evolution team drives the development of our core product range and consists of four Java developers and product experts. As part of that team, you will be expected to design and develop solutions for existing products as well as ensuring we are using the latest industry standards and technologies with a focus on cloud-based deployments. There are a number of exciting new product enhancements in the pipeline for this team to work on over the next few months these include greenfield development of a whole new product direction as well as adding new functionality to the existing product with the potential opportunity to re-design and re-write. Whilst these are ongoing the team will also maintain and modernise our existing platform with a strong focus on ...
Main Purpose of the job - We are looking for a Java Developer to join our growing Evolution development team. Our Evolution team drives the development of our core product range and consists of four Java developers and product experts. As part of that team, you will be expected to design and develop solutions for existing products as well as ensuring we are using the latest industry standards and technologies with a focus on cloud-based deployments. There are a number of exciting new product enhancements in the pipeline for this team to work on over the next few months these include greenfield development of a whole new product direction as well as adding new functionality to the existing product with the potential opportunity to re-design and re-write. Whilst these are ongoing the team will also maintain and modernise our existing platform with a strong focus on ...
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At MHR, our employees are central to our success and play a key role in helping customers achieve sustainable high performance. With a team of over 900 professionals, we work to make things flow smoothly, whether it's for large organisations or individual employees. As businesses face rapid changes in the world of work, our team is here to help them adapt and thrive.€ By focusing on the core needs of efficiency, productivity, growth, and impact, our employees use their expertise to deliver real solutions through our People and Finance platform. This system, which covers finance, HR, payroll, and learning, helps businesses run more smoothly and make better decisions in real time. With over 40 years of experience behind us, MHRs track record as a high-performance organisation is built on clear goals, a shared vision, and strong communication - all of which we pass on to
At MHR, our employees are central to our success and play a key role in helping customers achieve sustainable high performance. With a team of over 900 professionals, we work to make things flow smoothly, whether it's for large organisations or individual employees. As businesses face rapid changes in the world of work, our team is here to help them adapt and thrive.€ By focusing on the core needs of efficiency, productivity, growth, and impact, our employees use their expertise to deliver real solutions through our People and Finance platform. This system, which covers finance, HR, payroll, and learning, helps businesses run more smoothly and make better decisions in real time. With over 40 years of experience behind us, MHRs track record as a high-performance organisation is built on clear goals, a shared vision, and strong communication - all of which we pass on to
Only EU Citizens are eligible to apply for this position. Proficiency in Python - Job Overview - We are seeking a Data Engineer to design, build, and maintain robust data solutions that enable efficient data processing and analytics. The role involves developing scalable data pipelines, integrating diverse data sources, and ensuring data quality and reliability across systems. Essential Functions * Design, develop, and maintain data pipelines and ETL processes to support analytics and reporting needs. * Work with large datasets, ensuring data integrity, performance optimization , and scalability. * Collaborate with cross-functional teams to understand data requirements and deliver solutions aligned with business objectives. * Implement best practices for data modeling, storage, and retrieval . * Ensure compliance with data governance and security standards.
Only EU Citizens are eligible to apply for this position. Proficiency in Python - Job Overview - We are seeking a Data Engineer to design, build, and maintain robust data solutions that enable efficient data processing and analytics. The role involves developing scalable data pipelines, integrating diverse data sources, and ensuring data quality and reliability across systems. Essential Functions * Design, develop, and maintain data pipelines and ETL processes to support analytics and reporting needs. * Work with large datasets, ensuring data integrity, performance optimization , and scalability. * Collaborate with cross-functional teams to understand data requirements and deliver solutions aligned with business objectives. * Implement best practices for data modeling, storage, and retrieval . * Ensure compliance with data governance and security standards.
Principal Software Engineer (.Net)
Principal Software Engineer (.Net)
MHR International UK Limited
Nottingham, Nottinghamshire
Competitive
Microsoft Azure (Functions, AKS, App Service, API Management, Service Bus, Event Grid, Storage, Cosmos DB, Azure SQL)
Microsoft Azure (Functions, AKS, App Service, API Management, Service Bus, Event Grid, Storage, Cosmos DB, Azure SQL)
Strong understanding of RESTful architecture and API design principles.
Strong understanding of RESTful architecture and API design principles.
Senior Software Engineer - Amazon Connect
Senior Software Engineer - Amazon Connect
Capital One (Europe) plc
Nottingham, Nottinghamshire
Competitive
This mainly consists of Lambda, API Gateway, DynamoDB, S3 and our own front end portal that sits on top of Amazon Connect. In particular any knowledge of running in a serverless ecosystem with AWS Lambda, API Gateway and DynamoDB.
This mainly consists of Lambda, API Gateway, DynamoDB, S3 and our own front end portal that sits on top of Amazon Connect. In particular any knowledge of running in a serverless ecosystem with AWS Lambda, API Gateway and DynamoDB.
AI Engineer, Software Engineer, Machine Learning Engineer, LLM, GenAI, Agentic, LangChain, LangGraph, Langfuse, Python, Backend, API, MLflow, W&B, DVC, Evaluation, RAG, Retrieval, Semantic Search, Multimodal, Computer Vision, Speech-to-Text, Cloud, AWS, Azure, Model Deployment, UK Remote, Contractor, EdTech, Assessment Systems, Automated Scoring, Git, GitHub, UK Hours
AI Engineer, Software Engineer, Machine Learning Engineer, LLM, GenAI, Agentic, LangChain, LangGraph, Langfuse, Python, Backend, API, MLflow, W&B, DVC, Evaluation, RAG, Retrieval, Semantic Search, Multimodal, Computer Vision, Speech-to-Text, Cloud, AWS, Azure, Model Deployment, UK Remote, Contractor, EdTech, Assessment Systems, Automated Scoring, Git, GitHub, UK Hours
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Integrate automated API security testing workflows into the platform, ensuring reliability and accuracy of results.
Integrate automated API security testing workflows into the platform, ensuring reliability and accuracy of results.
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Familiarity with HTTP methods and API interaction design
Familiarity with HTTP methods and API interaction design
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Strong knowledge ofREST and/or GraphQL API design
Strong knowledge ofREST and/or GraphQL API design
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Experience of SOAP API's
Experience of SOAP API's
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Are you an experienced Full Stack .Net (C#) Developer, with solid experience in API development, keen to take ownership of end-to-end development, contribute to product innovation, and grow in a tech-led, agile team that genuinely values your input?
Are you an experienced Full Stack .Net (C#) Developer, with solid experience in API development, keen to take ownership of end-to-end development, contribute to product innovation, and grow in a tech-led, agile team that genuinely values your input?
FEATURED
Azure API Management
Azure API Management
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Experience with cloud security, zero trust, API security, and secure CI CD pipelines.
Experience with cloud security, zero trust, API security, and secure CI CD pipelines.
FEATURED
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• Strong backend engineering background delivering high-scale systems with AI components (Python/Java, RAG frameworks, vector databases, API engineering).
• Strong backend engineering background delivering high-scale systems with AI components (Python/Java, RAG frameworks, vector databases, API engineering).
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Strong experience of working with and developing API endpoints.
Strong experience of working with and developing API endpoints.