176 to 200 of 204 API Development Jobs in England

days onsite - 3 days remote. Our client is looking for an experienced Lead Data Engineer with the following skill set: Experience with Azure data services, Azure Data Factory (ADF), API development and integration, Databricks, Python programming, Unit testing, GIT version control, Data management and data governance, Data security. If this is you, get in touch ASAP and send More ❯

delivery. Required Skills & Experience: Proven background as a Software Architect or Lead Engineer. Strong experience with Swift, particularly in mobile app development. Exposure to Swift Vapor for server-side API development (desirable, not essential). Proficiency in modern JavaScript/TypeScript stacks Node.js, Angular. Experience in small or mid-sized software companies. Strong communication and collaboration skills. Salary More ❯

team toward the creation of a global wellbeing platform meeting the needs of both users and merchants. You will oversee delivery across both web and mobile apps with an API-first cloud-based approach, applying your knowledge to simplify and refine operational processes. Key Responsibilities Lead initiatives to enhance the fitness and wellness capabilities in our platform, aligning with … the trend towards personalised mobile-first wellness experiences. Contribute to the definition and delivery of Engineering roadmaps, anticipating technical challenges and managing interdependencies. Oversee the entire software development lifecycle, from conception to deployment and maintenance, ensuring high-quality outcomes across all phases. Implement best practices in coding, testing, and maintenance to enhance system scalability and performance particularly for high … managing teams or projects in a user-centric fitness and wellness area. Understanding of machine learning techniques in the context of fitness and wellness technology. Strong technical expertise in API development, coupled with a deep understanding of software architecture and design patterns. Expertise in cloud technologies, particularly AWS, with the ability to deploy and manage scalable cloud-based More ❯

involve modernising the existing architecture, enhancing performance, and delivering new features to meet the needs of a growing, global user base. Tech stack: PHP Laravel VueJS MySQL (or similar) API Development TDD, CI/CD Start: ASAP Location: Fully Remote (UK) Length: Initial 6 months IR35: Outside IR35 Provn Talent Solutions Ltd is operating as an employment agency More ❯

exciting, from architecting scalable databases to crafting AWS infrastructure using cutting-edge technologies like IaC and serverless computing. Plus, you'll have the chance to showcase your skills in API development with NodeJS and continuous integration, all while maintaining high coding standards and security protocols. Apply now and enjoy competitive compensation, flexible working hours, and ample opportunities for More ❯

manipulation, and distributed computing platforms (e.g., Hive, Hadoop). Familiarity with advanced machine learning methods, including neural networks, reinforcement learning, and other cutting-edge Gen AI approaches. Skilled in API development and deployment, with a focus on performance and scalability. Interview process This interview process will incorporate competency-based questions and an assessment of your technical knowledge and More ❯

The Role We're looking for an experienced Technical Architect to join our Manchester Support Office. In this strategic and technical leadership role, you'll own the design and development of our application architecture - with a strong focus on unifying booking, scheduling, and payment systems into a seamless experience for clients and trainers. Reporting to our Director of Technology … you'll oversee outsourced development partners, ensuring high-quality, secure, and scalable digital products that meet UP's technical standards and growth ambitions. What You'll Do Define and maintain UP's IT application architecture in line with our product and business strategies Architect scalable, secure booking and payment systems within a unified digital ecosystem Collaborate with Product Managers … final sign-off on all on internal and 3rd party deliverables Ensure third-party teams follow best practices in scalability, security, and performance Drive high standards in system design, API development, documentation, and data architecture Lead vendor architecture reviews and continuously optimise delivery workflows Embed privacy, security, and compliance into all architecture decisions Own and evolve our architectural More ❯

leveraging experience from world-class, customer-first operating models Establish what "digital service excellence" means for our diverse clients, future audiences and complex product portfolio Future vision and strategy development Define the future state of IG Group's global customer servicing, and architect a comprehensive digital-first service model optimised for scalable growth and automation Collaborate with transformation teams … dashboards and analytics that provide real-time insights into digital transformation progress Technology strategy and innovation Evaluate and recommend next-generation customer service technologies and platforms Lead the strategic development of generative and agentic AI, and other self-service capabilities Design intelligent routing and escalation frameworks that optimize both automation and human expertise Champion the integration of customer data … leadership Deep understanding of customer service technologies including AI, chatbots, and automation platforms Experience with Intercom or Genesys preferred; or similar advanced customer communication platforms Knowledge of CRM integration, API development, and omnichannel technology stacks Understanding of data analytics, machine learning, and predictive customer service applications Strategic vision Exceptional ability to create compelling future-state visions and transformation More ❯

intelligence, document processing, and risk management. Key Responsibilities: Architect & Implement: Design and deploy secure AI services from lab to production, ensuring they are scalable and compliant with industry standards. API Development: Create robust APIs for large language models (LLMs), retrieval-augmented generation (RAG) pipelines, agentic workflows, and document intelligence systems. Cybersecurity & Privacy: Integrate cybersecurity and data privacy controls More ❯

intelligence, document processing, and risk management. Key Responsibilities: Architect & Implement: Design and deploy secure AI services from lab to production, ensuring they are scalable and compliant with industry standards. API Development: Create robust APIs for large language models (LLMs), retrieval-augmented generation (RAG) pipelines, agentic workflows, and document intelligence systems. Cybersecurity & Privacy: Integrate cybersecurity and data privacy controls More ❯

or financial services. Design, develop, enhance, and maintain applications using agreed coding standards and quality targets. Liaise with immediate scrum team, other scrum/project teams, line manager and development lead to ensure accurate and complete delivery. Required Skills: C# and .NET6+ Rest APIs incorporated with SQL Server or Sybase DB Angular 13+ with Dev Extreme UI library desirable … Typescript, HTML5, CSS3 Playwright, Ready API, and Spec flow. Restful API Design and development fundamentals. Modern UI design principles. i.e. Able to take initial design direction and interpret those guidelines to finalise the design through to a solution. Good SQL knowledge. Functional and functional-reactive programming in Typescript. If this sounds like an interesting opportunity please feel More ❯

Lead C# Developer/Software Engineer (C# .Net API AWS) Nottingham/WFH to £80k Opportunity to progress your career in a senior, hands-on leadership role at a SaaS tech company. As a Senior C# Developer you'll join an Agile team with a focus on designing and developing payment and billing applications. You'll be working with … a modern tech stack, with a focus on backend C# .Net and API development. There's a supportive team environment where you'll help to mentor others to reach their full potential, taking ownership of technical projects and contributing to high level architecture discussions. Location/WFH: There's a remote interview and onboarding process and you'll be … most of the time, meeting up with the team for constructive meetings once a month/quarter in the Nottingham office. About you: You have strong backend C# .Net development skills You have experience of building REST APIs You have experience with AWS You have a good understanding of databases with SQL skills You're collaborative and have great More ❯

Location: Leeds or London Job Description This role presents an exciting opportunity for a technically proficient API Developer to take a senior role. Reporting to a RTGS Technology Manager, you will be part of the RTGS Technology team that provides day-to-day support and development of new capabilities for the Bank of England Real Time Gross Settlement … RTGS system and then standby cover. For other weeks, you will not be on a rota so can dedicate time to change activities. Role Requirements You are a dedicated API engineer within an Agile environment and meet the minimum criteria. You have a clear collaborative approach to working with others, and keen to share knowledge with colleagues. You also … critical to the UK Payments Systems which requires a methodical approach and flexible to work outside core hours as required. You use best practice in Continuous Improvement/Continuous Development and to manage environments - safely promoting code from pre-production to live including day to day procedures and recovery procedures when required. Work closely with cross-functional teams ensuring More ❯

Location: Leeds or London Job Description This role presents an exciting opportunity for a technically proficient API Developer to take a senior role. Reporting to a RTGS Technology Manager, you will be part of the RTGS Technology team that provides day-to-day support and development of new capabilities for the Bank of England Real Time Gross Settlement … RTGS system and then standby cover. For other weeks, you will not be on a rota so can dedicate time to change activities. Role Requirements You are a dedicated API engineer within an Agile environment and meet the minimum criteria. You have a clear collaborative approach to working with others, and keen to share knowledge with colleagues. You also … critical to the UK Payments Systems which requires a methodical approach and flexible to work outside core hours as required. You use best practice in Continuous Improvement/Continuous Development and to manage environments - safely promoting code from pre-production to live including day to day procedures and recovery procedures when required. Work closely with cross-functional teams ensuring More ❯

an Agile environment. Driving best practices around testing, clean code and CI/CD pipelines. Mentoring junior developers and contributing to knowledge sharing. Requirements Strong commercial experience in Java development, ideally in product or platform teams. Strong knowledge of Spring Framework/Spring Boot. Hands-on experience with AWS for deployment, configuration and monitoring. Comfortable with RESTful API More ❯

Axway API Developer (SC Cleared) ?? 6 months contract Inside IR35 ?? £500 to £650 a day ??Remote Working (UK based) *Active SC Clearance is needed* A top-tier defense organization is looking for an experienced Axway API Developer/Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and … liaising with stakeholders to define requirements and design comprehensive solutions. To be successful in this role, you should have a solid foundation in: Axway's core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using … and deployments. 6 months contract Inside IR35 - Remote Working - ?? £500 to £650 a day *Active SC Clearance is needed* If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you. If the above sounds of interest to you then please apply directly to the AD or More ❯

Axway API Developer (SC Cleared) 6 months contract Inside IR35 £500 to £650 a day Remote Working (UK based) *Active SC Clearance is needed* A top-tier defense organization is looking for an experienced Axway API Developer/Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and … liaising with stakeholders to define requirements and design comprehensive solutions. To be successful in this role, you should have a solid foundation in: Axway's core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using … and deployments. 6 months contract Inside IR35 - Remote Working - £500 to £650 a day *Active SC Clearance is needed* If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you. If the above sounds of interest to you then please apply directly to the AD or More ❯

governance, streaming architectures, Open Table Formats, etc. - Proficiency in at least one programming language (e.g., Python, Java, Scala, etc.) plus SQL. CI/CD experience and working knowledge of API development. - Ability to lead technical teams and facilitating discussions regarding technical/architectural trade-offs, best practices and risk mitigation. This is a hands-on leadership role. - Bachelor's … degree in Computer Science, Engineering, Mathematics or related field with 3+ years experience. PREFERRED QUALIFICATIONS - Full-stack development experience e.g. React/Angular and integration with backend - AWS experience or working knowledge of AWS partner solutions like Databricks or Snowflake - Expertise of implementing GenAI in production including LLMs, RAG architectures, vector databases. - Experience with automation and scripting (e.g., Terraform More ❯

Angular As their Full Stack Software Engineer you will be involved in everything from maintaining the current code base to developing highly available, scalable, and resilient applications to streamlining development and deployment processes. You must be comfortable working within a small internal team and with an extended team with external development partners. Skills and responsibilities: Develop, maintain and … version preferred), RxJS, and NgRx (or similar state management libraries). Backend Skills: experience with .NET Core/.NET 6, C#, and Entity Framework for Back End services and API development. Database Expertise: Proficiency with SQL databases, with hands-on experience in database design, writing complex queries, and performance tuning. Version Control: Proficient in using Git for source control More ❯

Manage, mentor, and motivate a skilled development team across a broad tech stack. Design and develop scalable, secure, and high-quality software in line with architectural standards. Uphold and enhance coding and testing standards through peer reviews and automated/manual testing. Lead initiatives to improve efficiency, reduce technical debt, and modernise systems. Collaborate with Delivery/Project Managers … execution. Identify and implement improvements across architecture, processes, and infrastructure. Provide expert second-line support to the Application Support team. Stay current with industry certifications and contribute to strategic development initiatives. Mentor and coach team members, promoting a culture of continuous improvement. Skills: SQL Server (T-SQL) , API Design & Development Strong analytical skills with the ability to More ❯

Software API Developer - Hybrid - Salary £50k (DOE) We are currently working with a growing SaaS company based in Oxfordshire, who have an exciting opportunity for a Software developer experienced with C#, .NET Core, and ASP.NET to join their growing Agile Development team. You will be designing, developing, and optimising backend services and RESTful APIs. Also, you will be … ensure code quality. Ensure projects are completed on time and meet technical specifications. Essential Experience: Strong proficiency in C# and .NET Core Experienced with ASP.NET Core MVC and Web API Experienced with Entity Framework Core and LINQ Proven experience designing and implementing RESTful APIs Understanding of API versioning documentation (e.g. Swagger) Proficient in SQL Solid understanding od Data More ❯

AIT is a multi-award-winning organisation delivering innovative technology-driven solutions to support the NHS, public sector bodies, and private sector clients. We are expanding our in-house development team and seeking an experienced Full Stack Developer to manage, enhance, and further develop our existing applications. Role Overview We are looking for a highly skilled Full Stack Developer … to translate requirements into efficient and robust code. Ensure all work meets speed, accuracy, and quality standards patchy or delayed work will not be acceptable. Meet daily and weekly development targets in line with project and client requirements. Support integration of AI-driven functionalities into existing models and platforms. Write clean, secure, and maintainable code with thorough testing and … documentation. Stay updated with emerging technologies and suggest improvements to existing systems. Essential Requirements 5+ years of proven full stack development experience . Expertise in React, React Native, Laravel, PHP, JavaScript, SQL, and MySQL . Strong understanding of both front-end and back-end development . Proven track record of delivering projects on time with precision. Ability to More ❯

Skills in prompt engineering and RAG (retrieval-augmented generation). Solid background in Python, Java, and database technologies (SQL/NoSQL). Experience in crawling/web scraping and API development. Experience with on-premise AI development (local LLMs, model deployment, open-source frameworks). Desirable: Strong knowledge of data structures, algorithms, and solution architecture. Broad understanding of More ❯

About The Role As a Salesforce App Developer, you'll leverage your expertise in the Salesforce platform and of Salesforce Development to build best-in-class functionality for both customers and for Inardua Labs, this will be for both AppExchange listed solutions and individual customer projects. You will ensure that the developed solutions maximize the potential of standard features … product. Experience gathering requirements from end users. Experience in delivering customer-specific Salesforce projects. Strong knowledge of Salesforce platform features and best practices. Proficiency in Apex, Lightning Components, and API development. Experience with Salesforce DX and CI/CD tools. Familiarity with agile methodologies, especially Scrum. Excellent problem-solving skills and attention to detail. Excellent levels of written and … Salesforce Consultant Certification Preferred experience with Salesforce Energy & Utilities Cloud Benefits As well as everything you'd expect (competitive salary, paid-for training & certs, unlimited opportunity for progression & development) here are some of the other things we provide: 38 Days annual leave including bank holidays Fully remote working (or work from our offices in Stroud, you choose!) Full More ❯

About The Role As a Salesforce Developer, you'll leverage your expertise in the Salesforce platform and of Salesforce Development to build best-in-class functionality for both customers and for Inardua Labs, this will be for both AppExchange listed solutions and individual customer projects. You will ensure that the developed solutions maximize the potential of standard features while … product. Experience gathering requirements from end users. Experience in delivering customer-specific Salesforce projects. Strong knowledge of Salesforce platform features and best practices. Proficiency in Apex, Lightning Components, and API development. Experience with Salesforce DX and CI/CD tools. Familiarity with agile methodologies, especially Scrum. Excellent problem-solving skills and attention to detail. Excellent levels of written and … Science degree or similar Preferred experience with Salesforce Energy & Utilities Cloud Benefits As well as everything you'd expect (competitive salary, paid-for training & certs, unlimited opportunity for progression & development) here are some of the other things we provide: 38 Days annual leave including bank holidays Fully remote working (or work from our offices in Stroud, you choose!) Full More ❯