51 to 75 of 108 API Development Jobs in the UK

As an Application Developer your responsibilities will be to: Maintain and enhance existing in-house applications Develop new features and tools to agreed requirements Scope, estimate, schedule, and communicate development work Ensure solutions comply with IT security and ISO27001 standards Identify and deliver system improvements Collaborate with the Senior Developer and wider data team Too be successful as the … Application Developer you will need: C#, .NET Core, OO development, repository pattern, unit testing Windows Forms experience Strong MS SQL Server skills (T-SQL, stored procedures, functions) Database design and development Git or similar source control Debugging, problem-solving, writing documentation PowerShell scripting, API development Microsoft Access (structure, design, VBA) SSRS, SSIS Excel (Power Query, formulas … VBA) Power BI Beneficial: web development Strong communication, time management, and analytical skills Ability to manage small–medium development projects Quick learner, self-motivated, strong team player Ability to support and guide others Helpful: knowledge of Data Protection principles To achieve the higher salary, you will need to demonstrate your ability to meet the key criteria’s of More ❯

As an Application Developer your responsibilities will be to: Maintain and enhance existing in-house applications Develop new features and tools to agreed requirements Scope, estimate, schedule, and communicate development work Ensure solutions comply with IT security and ISO27001 standards Identify and deliver system improvements Collaborate with the Senior Developer and wider data team Too be successful as the … Application Developer you will need: C#, .NET Core, OO development, repository pattern, unit testing Windows Forms experience Strong MS SQL Server skills (T-SQL, stored procedures, functions) Database design and development Git or similar source control Debugging, problem-solving, writing documentation PowerShell scripting, API development Microsoft Access (structure, design, VBA) SSRS, SSIS Excel (Power Query, formulas … VBA) Power BI Beneficial: web development Strong communication, time management, and analytical skills Ability to manage small–medium development projects Quick learner, self-motivated, strong team player Ability to support and guide others Helpful: knowledge of Data Protection principles To achieve the higher salary, you will need to demonstrate your ability to meet the key criteria's of More ❯

a sophisticated core platform built with .NET (C#) and hosted on Microsoft Azure , applying modern microservices architecture at scale. You’ll also gain exposure to Node.js and TypeScript for API development and integration work, plus Angular for front-end experiences. The environment includes modern DevOps practices with Terraform (IaC) , GitHub Actions (CI/CD) , and Kubernetes for scalability More ❯

successful placement earlier this year. Due to strong growth and ongoing investment in their technology, they're looking to add another talented Full-Stack .NET Developer to their agile development team.The RoleYou'll play a key role in designing and building scalable, secure, and high-quality software solutions. Working closely with Product Owners and fellow engineers, you'll contribute … to all stages of development - from concept and design through to deployment and continuous improvement.* Delivering high-quality, maintainable code that meets performance and security standards.* Collaborating with designers, developers, and stakeholders in an agile team environment.* Participating in sprint planning and design sessions, contributing to technical decisions.* Troubleshooting and resolving complex technical challenges quickly and effectively.* Continuously improving … code quality through testing, reviews, and best practices.Skills & Experience:* .NET (C#, ASP.NET)* Angular* REST/API Development* SQL Server* TypeScript, JavaScript, HTML, CSS* Experience with Azure services (e.g. Cosmos DB, Microservices, Docker, NServiceBus)* Familiarity with cloud-native or distributed architecturesBenefits:* Salary up to £55,000 per annum* Hybrid working (1-2 visits per month to the Bristol office More ❯

successful placement earlier this year. Due to strong growth and ongoing investment in their technology, they're looking to add another talented Full-Stack .NET Developer to their agile development team. The Role You'll play a key role in designing and building scalable, secure, and high-quality software solutions. Working closely with Product Owners and fellow engineers, you … ll contribute to all stages of development - from concept and design through to deployment and continuous improvement. * Delivering high-quality, maintainable code that meets performance and security standards. * Collaborating with designers, developers, and stakeholders in an agile team environment. * Participating in sprint planning and design sessions, contributing to technical decisions. * Troubleshooting and resolving complex technical challenges quickly and effectively. … Continuously improving code quality through testing, reviews, and best practices. Skills & Experience: * .NET (C#, ASP.NET) * Angular * REST/API Development * SQL Server * TypeScript, JavaScript, HTML, CSS * Experience with Azure services (e.g. Cosmos DB, Microservices, Docker, NServiceBus) * Familiarity with cloud-native or distributed architectures Benefits: * Salary up to £55,000 per annum * Hybrid working (1-2 visits per month More ❯

successful placement earlier this year. Due to strong growth and ongoing investment in their technology, they're looking to add another talented Full-Stack .NET Developer to their agile development team. The Role You'll play a key role in designing and building scalable, secure, and high-quality software solutions. Working closely with Product Owners and fellow engineers, you … ll contribute to all stages of development - from concept and design through to deployment and continuous improvement. Delivering high-quality, maintainable code that meets performance and security standards. Collaborating with designers, developers, and stakeholders in an agile team environment. Participating in sprint planning and design sessions, contributing to technical decisions. Troubleshooting and resolving complex technical challenges quickly and effectively. … Continuously improving code quality through testing, reviews, and best practices. Skills & Experience: .NET (C#, ASP.NET) Angular REST/API Development SQL Server TypeScript, JavaScript, HTML, CSS Experience with Azure services (e.g. Cosmos DB, Microservices, Docker, NServiceBus) Familiarity with cloud-native or distributed architectures Benefits: Salary up to 55,000 per annum Hybrid working (1-2 visits per month More ❯

functional teams to deliver high-quality software solutions. Core Skills Strong C# Skills: Demonstrated proficiency in C# programming, with a focus on building scalable applications using .NET Core. Web API Development: Expertise in designing, developing, and maintaining well-structured RESTful APIs to facilitate data exchange between systems. Database Management: Solid understanding of SQL databases and experience working with … NoSQL databases, particularly MongoDB. Cloud Architecture: Proven ability to architect and implement scalable cloud solutions using AWS, adhering to best practices for event-driven systems. Front-End Development: Proficiency in TypeScript and Angular for building modern, responsive web interfaces. Messaging Systems: Experience working with message queues and streams, such as RabbitMQ and AWS Kinesis/SQS, to handle asynchronous More ❯

functional teams to deliver high-quality software solutions. Core Skills Strong C# Skills: Demonstrated proficiency in C# programming, with a focus on building scalable applications using .NET Core. Web API Development: Expertise in designing, developing, and maintaining well-structured RESTful APIs to facilitate data exchange between systems. Database Management: Solid understanding of SQL databases and experience working with … NoSQL databases, particularly MongoDB. Cloud Architecture: Proven ability to architect and implement scalable cloud solutions using AWS, adhering to best practices for event-driven systems. Front-End Development: Proficiency in TypeScript and Angular for building modern, responsive web interfaces. Messaging Systems: Experience working with message queues and streams, such as RabbitMQ and AWS Kinesis/SQS, to handle asynchronous More ❯

days in the office) c£60,000 per year Plus excellent company benefits (including Pension, Bonus, Life Insurance, Healthcare, etc.) Skills and Experience: Extensive experience with web application and API development at a senior level Must be able to mentor more junior members of the team in the absence of the Technical Lead Expert understanding of microservice architecture … scalable and performant solutions Design and develop front end code with a focus on security, accessibility and delivering a great user experience Provide input on key technology, architectural and development decisions The Opportunity: My client based in the sustainability sector are currently on the lookout for a Senior Full Stack PHP Developer on a permanent basis. In this role … systems to a high standard of security, scalability and performance. The successful candidate will have demonstrable experience working at a senior level across the full stack within a web development team, with keen attention to detail and strong problem-solving skills. Please note this role will not be fully remote and there is no flexibility on the two days More ❯

government in their search for a Cloud Java Developer to work out of either Manchester or Gloucestershire. This client, aside from offering a very strong package, offer an excellent development programme, with a real willingness to support both financially and otherwise. Tech wise, we have requirement for both Java and Python backend languages, and cloud experience would also be … or Java, React, Go Familiarity with deploying applications to cloud architecture and technologies in AWS environments. Experience with web application services Experience of Test Driven or Behaviour Driven development. API development and integration Experience with monitoring systems Working knowledge of digital delivery processes and methodologies. Working knowledge of Atlassian Toolset. Knowledge of JavaScript frontend frameworks. Understanding of front More ❯

you will be instrumental in designing, developing, and maintaining robust and scalable full-stack applications that power our automation and SaaS platforms. You will work across the entire software development lifecycle, from concept to deployment, collaborating closely with product managers, designers, and other engineers to deliver high-quality, impactful solutions. Design, develop, and implement highly performant and scalable full … microservices. Develop responsive and intuitive front-end user interfaces. Collaborate with product management to understand requirements and translate them into technical specifications. Participate in all phases of the software development lifecycle, including planning, design, coding, testing, deployment, and support. Write clean, maintainable, and well-documented code following best practices. Implement and maintain automated tests (unit, integration, and end-to … frameworks (e.g., Hibernate, JPA). Solid understanding of front-end technologies such as HTML, CSS, JavaScript, and modern JavaScript frameworks (e.g., ReactJS, MobX and TypeScript). Experience with RESTful API design and development. Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and containerization technologies (e.g., Docker, Kubernetes). Experience with version control systems (e.g., Git and Jira, BitBucket, Bamboo More ❯

Manchester (3 days per week in office, Tuesday–Thursday), the successful candidate will be responsible for designing, developing, and maintaining modern cloud-based systems. You will work across backend development, DevOps, and infrastructure as code, collaborating closely with global teams in Australia, the U.S., and locally in Manchester. Key Responsibilities: Backend Development (50%) Design, develop, and enhance backend … requirements into technical solutions in collaboration with Product Owners. DevOps/Cloud Operations (40%) Work with AWS to manage, optimise, and secure cloud infrastructure. Deploy and maintain services across development, testing, and production environments. Detect and prevent security threats, including account takeover attempts. Drive continuous improvement in technical standards, tools, and processes. Infrastructure as Code (10%) Deploy and manage … architects and global teams to implement reusable and maintainable infrastructure components. Required Qualifications: Strong expertise in cloud computing and services (AWS experience preferred). Proficiency in TypeScript and REST API development ; experience with NestJS preferred. Deep understanding of cloud security principles , including IAM, networking, and encryption. Experience with web services and microservices-based architectures . Excellent communication skills More ❯

join our AI team. The ideal candidate will have expertise in retraining and fine-tuning LLMs using proprietary datasets to build a conversational chat bot. Tasks Key Responsibilities: Model Development: Retrain and fine-tune existing Large Language Models (LLMs) using proprietary datasets to meet specific business requirements. Data Integration: Work with data engineers and data scientists to curate, preprocess … with business goals. Deployment: Assist in deploying LLMs into production environments, ensuring robust and scalable AI solutions. Requirements Qualifications: Experience: 3-5 years of experience in AI/ML development, with a focus on working with Large Language Models (e.g., GPT, BERT, Hugging Face, etc.). Education: Bachelor's or Master's degree in Computer Science, Artificial Intelligence, Data … AI, sentiment analysis, or recommendation systems. Knowledge of model interpretability techniques and responsible AI practices. Familiarity with MLOps pipelines for continuous integration and deployment of AI models. Experience with API development and integration for deploying AI services. Prior experience in working with proprietary or sensitive data. Benefits What We Offer: Competitive Salary: Based on experience and expertise. Professional More ❯

smart, scalable software solutions. As part of continued investment in their technology function, they're now looking for an experienced C#/.NET Developer to join a friendly, collaborative development team based in Crewe. The Role You'll play a key role in designing, developing, and maintaining modern applications and APIs used by customers around the world. Working within … ownership of your work while contributing to a wider team effort. You'll ideally have: 2-4 years' commercial experience with C# and .NET Core Strong understanding of Web API development Experience with relational databases and ORM tools (e.g. Entity Framework, Linq2DB) Familiarity with CI/CD pipelines, Agile delivery, and Git Exposure to Docker and cloud environments … scale applications Hybrid working model (3 days in office, 2 remote) Supportive, inclusive, and innovation-focused culture Competitive salary with performance bonus and comprehensive benefits Real opportunities for personal development and progression This is a great opportunity for a C#/.NET Developer looking to join a forward-thinking, growing technology business where you can make a tangible impact More ❯

smart, scalable software solutions. As part of continued investment in their technology function, they're now looking for an experienced C#/.NET Developer to join a friendly, collaborative development team based in Crewe. The Role You'll play a key role in designing, developing, and maintaining modern applications and APIs used by customers around the world. Working within … ownership of your work while contributing to a wider team effort. You'll ideally have: 2-4 years' commercial experience with C# and .NET Core Strong understanding of Web API development Experience with relational databases and ORM tools (e.g. Entity Framework, Linq2DB) Familiarity with CI/CD pipelines, Agile delivery, and Git Exposure to Docker and cloud environments … scale applications Hybrid working model (3 days in office, 2 remote) Supportive, inclusive, and innovation-focused culture Competitive salary with performance bonus and comprehensive benefits Real opportunities for personal development and progression This is a great opportunity for a C#/.NET Developer looking to join a forward-thinking, growing technology business where you can make a tangible impact More ❯

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 keen to work in a full stack capacity, developing your skills with Angular Typescript … the future of our platform building smart APIs, delivering seamless user experiences, and solving real-world customer challenges. This is your chance 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. CLICK APPLY and send a CV through. More ❯

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 keen to work in a full stack capacity, developing your skills with Angular Typescript … the future of our platform — building smart APIs, delivering seamless user experiences, and solving real-world customer challenges. This is your chance 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. CLICK APPLY and send a CV through. More ❯

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 keen to work in a full stack capacity, developing your skills with Angular Typescript … the future of our platform — building smart APIs, delivering seamless user experiences, and solving real-world customer challenges. This is your chance 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. CLICK APPLY and send a CV through. More ❯

in Northampton in their search for a Full Stack Developer to join the team on a permanent basis. The ideal candidate will have strong experience working in full stack development and Integrations with the ability to design, develop, and implement technical solutions that enhance business processes. Tech Stack: Proven experience in full stack development (frontend and backend). … Proficient in JavaScript, React, Node, HTML, CSS, and SQL . Experience with API development and cloud-based systems (preferably AWS) Excellent analytical and problem-solving skills. Strong communication and collaboration abilities. Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for More ❯

Responsibilities Develop and maintain full stack solutions using Oracle DB Support legacy system migration and ERP integration efforts Build and consume APIs to enhance application functionality Collaborate with offshore development teams to ensure smooth delivery and coordination Contribute to front-end development using technologies like ColdFusion Participate in code reviews, testing, and deployment processes Skills & Experience Required Proven … experience in back-end development with Oracle PL/SQL Exposure to ColdFusion or willingness to learn quickly Experience of front-end technologies and frameworks Experience with API development and integration (RESTful services) Familiarity with legacy systems and migration projects Ability to coordinate and communicate effectively with offshore teams The following benefits: 10% employer pension contribution … Days annual leave, plus public holidays Life assurance 4x annual salary Flexi-time. Paid volunteering leave Excellent continuous professional development - they cover 100% of new, approved qualifications up to a value of 2800 USD per year, and then cover 75% of qualifications up to a value of 5000 USD per year Flexible benefits allowance at 1.5% of your annual More ❯

government in their search for a Cloud Java Developer to work out of either Manchester or Cheltenham. This client, aside from offering a very strong package, offer an excellent development programme, with a real willingness to support both financially and otherwise. Tech wise, we have requirement for both Java and Python backend languages, and cloud experience would also be … or Java, React, Go Familiarity with deploying applications to cloud architecture and technologies in AWS environments. Experience with web application services Experience of Test Driven or Behaviour Driven development. API development and integration Experience with monitoring systems Working knowledge of digital delivery processes and methodologies. Working knowledge of Atlassian Toolset. Knowledge of JavaScript frontend frameworks. Understanding of front More ❯

ideal for someone who enjoys solving complex technical challenges and wants to make a real impact in a creative, forward-thinking environment. Experience Strong knowledge and experience in integration development, with a specific focus on MuleSoft Anypoint platform. Strong knowledge of API development, integration patterns, and data transformation using DataWeave. Proficiency in Java and JavaScript; experience with … GitHub and CI/CD tools (eg Jenkins, Azure DevOps). Familiarity with enterprise systems integration (eg Salesforce, Moodle) and protocols (REST, SOAP, JMS). Understanding of API security standards (OAuth 2.0, SAML, encryption). UAL is a world-class University shaping the creative industries worldwide, with staff having access to a range of benefits, training and personal development More ❯

ideal for someone who enjoys solving complex technical challenges and wants to make a real impact in a creative, forward-thinking environment. Experience Strong knowledge and experience in integration development, with a specific focus on MuleSoft Anypoint platform. Strong knowledge of API development, integration patterns, and data transformation using DataWeave. Proficiency in Java and JavaScript; experience with … GitHub and CI/CD tools (e.g. Jenkins, Azure DevOps). Familiarity with enterprise systems integration (e.g. Salesforce, Moodle) and protocols (REST, SOAP, JMS). Understanding of API security standards (OAuth 2.0, SAML, encryption). UAL is a world-class University shaping the creative industries worldwide, with staff having access to a range of benefits, training and personal development More ❯

adhering to established best practices and standards. • Develop effective test cases, including unit tests, regression tests, and performance tests. • Extensive hands-on experience with Micro Services, REST/GraphQL API development using Java, Spring Boot and leveraging Kafka for integration with applications. • Hands-on experience with UI modern technologies like ReactJS and/or AngularJS • Hands-on experience … in database development with technologies such as Oracle, Cassandra. • Code efficient data ingestion orchestration using Spring Integration, Spring Batch to facilitate integration with upstream and downstream applications. • Solid understanding in Agile Methodology, CI/CD Pipelines and OKRs. • Expertise in debugging code, resolving defects, code quality issues, and familiarity with related tools. Soft Skills • Taking initiative, being proactive, and … demonstrating ownership while executing development tasks. • Ability to clearly communicate and articulate ideas and technical concepts with leads and colleagues. • Ability to work well within a team, contributing to team efforts and availability to team. • Flexibility to learn and adapt to new technologies, tools, and methodologies as needed. More ❯

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 keen to work in a full stack capacity, developing your skills with Angular Typescript More ❯