176 to 200 of 204 API Development Jobs in the UK excluding London

Our client is globally recognised as being at the forefront of new technology and regularly provides services in the field of SaaS & Data Licensing, API Development, Robotics & Automation, Digital Transformation Cybersecurity, Cloud Services, IT Infrastructure (Migration & Integration) & Managed Services. You will deliver business-focused solutions, acting as a … run/operate proposals. Primarily providing support during the sales cycle from supporting the engagement teams with their responses to tenders and bid response development to negotiating contracts for services. Review and negotiation of engagement contracts across Consulting and MSAs/framework agreements including direct discussion with clients and More ❯

company helping clients engage in marketing strategies with audiences in virtual worlds. Your Focus: As a Senior Backend Engineer focused on Data Pipelines and API Optimisation, you’ll be central to our platform's performance and scalability. You’ll design, build, and iterate on the systems that handle data … delivery - ensuring they are scalable, reliable, and performant. You should have a strong background in backend engineering, particularly around distributed systems, database optimisation, and API development. You’ll work with technologies like JavaScript and TypeScript to build robust services that meet high standards for performance and reliability. This role … is ideal for someone experienced, self-driven, and excited about leading backend projects involving large-scale data handling and API improvements. Your technical leadership will help evolve our infrastructure and mentor other engineers as we scale. Skills, Knowledge, and Expertise Experience 5+ years in Backend Software Engineering, with a More ❯

transform the digital guest experience across its world-renowned attractions. You’ll work at the intersection of architecture, security, DevOps, and cloud, guiding the development of resilient systems while embedding best-in-class security practices throughout. Responsibilities Architect secure, scalable, and resilient microservices systems. Define service boundaries, orchestration strategies … capabilities. Stay ahead of emerging trends in microservices, cloud, and security. Skills & Experience Extensive experience designing and implementing enterprise-grade microservices architectures. Strong software development background (Java, .NET, Python) with architectural leadership. Deep understanding of microservices principles, API design, and domain-driven design. Proficient in cloud platforms (AWS … . Hands-on with observability and monitoring tools (e.g., DataDog, Azure Monitor, AppDynamics). Expert in cyber security practices, identity management, encryption, and secure API development. Familiarity with compliance frameworks such as GDPR and PCI-DSS. Excellent stakeholder management and communication skills, ideally in a global or matrixed environment. More ❯

leading the implementation of technical solutions. These solutions are all SAAS based and require someone who is strong in and around the integration/API layer. Although still relatively "hands-on", the position lends itself to someone who is relatively agnostic in their approach who can steer best practice … around tech adoption. Tech : C# Azure IaC API Design and Development (REST) Devops mindset (Microservices/K8s) Excellent communication skills across Senior Stakeholders and various levels of software engineer Interview Process: 3 stages. Exploratory call with Lead Architect>>Tech test with subsequent discussion with wider team (F2F preferred More ❯

of a high-performing global team. About the Role: As an Engineering Manager, you will be responsible for the full life cycle of product development - from ideation through to release and ongoing support. You'll lead a global team of 4-10 software and test engineers, working in partnership … are met Provide technical and architectural guidance aligned with platform strategy Track and report engineering metrics, ensuring continuous improvement Drive hiring, coaching, and career development of team members Collaborate with Product Management on feasibility and estimation Champion DevOps and CI/CD best practices and drive automation Participate in … architecture, or DevOps Strong understanding of scalable system architecture, performance, and reliability Experience working with Microsoft SQL Server and managing production codebases Proficiency in API design and development Solid background in source code management and DevOps automation Desirable Skills: Experience managing capitalized software and team operational health (CapEx More ❯

team requires an experienced developer with a deep understanding of C# and the .NET stack, including hands-on experience with ASP.NET Core and REST API development. The ideal candidate will bring expertise in building scalable, high-performance applications and be comfortable with test-driven development (TDD) and writing … desirable, as this role will involve database management and optimization. Perks: Hybrid working setup with one office day per week (York-based office). Development and learning opportunities in a collaborative, positive environment. 25 days of holiday (increases up to 30 days with tenure). Health and life assurance … site amenities (pool table, table tennis). Monthly Pizza Thursdays, Cycle-to-Work Scheme, and on-site parking. If you are passionate about web development and eager to contribute to a major migration project, whilst working with modern technology then please apply and call Molly Candlish for more information. More ❯

team requires an experienced developer with a deep understanding of C# and the .NET stack, including hands-on experience with ASP.NET Core and REST API development. The ideal candidate will bring expertise in building scalable, high-performance applications and be comfortable with test-driven development (TDD) and writing … desirable, as this role will involve database management and optimization. Perks: Hybrid working setup with one office day per week (York-based office). Development and learning opportunities in a collaborative, positive environment. 25 days of holiday (increases up to 30 days with tenure). Health and life assurance … site amenities (pool table, table tennis). Monthly Pizza Thursdays, Cycle-to-Work Scheme, and on-site parking. If you are passionate about web development and eager to contribute to a major migration project, whilst working with modern technology then please apply and call Molly Candlish for more information More ❯

Backend Software Engineer/Developer (Java Spring API Security) Cambridge/WFH to £55k Are you a backend focussed Java technologist looking for an opportunity to progress your career whilst working on complex and interesting systems with continual learning opportunities? You could be joining a market leading software house … to work from home most of the time, meeting up with colleagues in the Cambridge office once a month. About You: You have Java development experience within a microservices environment You have experience with API design and development You're happy to collaborate in an Agile environment … Subsidised gym membership and a range of other perks Apply now to find out more about this Backend Software Engineer/Developer (Java Spring API Security) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're More ❯

Backend Software Engineer/Developer (Java Spring API Security) Cambridge/WFH to £55k Are you a backend focussed Java technologist looking for an opportunity to progress your career whilst working on complex and interesting systems with continual learning opportunities? You could be joining a market leading software house … to work from home most of the time, meeting up with colleagues in the Cambridge office once a month. About You: You have Java development experience within a microservices environment You have experience with API design and development You're happy to collaborate in an Agile environment … Subsidised gym membership and a range of other perks Apply now to find out more about this Backend Software Engineer/Developer (Java Spring API Security) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're More ❯

Backend Software Engineer/Developer (Java Spring API Security) Cambridge/WFH to £55k Are you a backend focussed Java technologist looking for an opportunity to progress your career whilst working on complex and interesting systems with continual learning opportunities? You could be joining a market leading software house … to work from home most of the time, meeting up with colleagues in the Cambridge office once a month. About You: You have Java development experience within a microservices environment You have experience with API design and development You're happy to collaborate in an Agile environment … Subsidised gym membership and a range of other perks Apply now to find out more about this Backend Software Engineer/Developer (Java Spring API Security) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're More ❯

Developer to work on exciting client projects, contribute to high-quality software solutions, and share knowledge with junior team members through mentoring. Key Responsibilities Development & Problem Solving Write clean, maintainable, and scalable code across a variety of projects. Collaborate with the team to deliver software solutions that meet client … requirements. Proactively address technical challenges during development, contributing effective and practical solutions. Conduct code reviews to ensure quality, consistency, and adherence to best practices. Work closely with other developers, delivery managers, and stakeholders to ensure smooth project delivery. Mentor junior developers, sharing knowledge and supporting their growth. Stay up … date with industry trends, tools, and best practices, and share these insights with the team. Contribute to process improvements and the evolution of the development team's practices. About You We're looking for someone with: Strong working experience in PHP and Object-Oriented Programming (OOP). A solid More ❯

Laravel and bespoke MVC frameworks • A solid understanding of automated testing practices. • Expertise in performant MySQL and relational database design. • Hands-on experience with API design and development. • Be familiar with Agile methodologies • A great communicator who can hit the ground running with new projects • A positive attitude and … build robust and maintainable applications. • Using modern tooling, including Docker, Git, PHPStan, PHPUnit, and CD/CI pipelines. • Writing well-structured HTML and CSS. Development & Problem Solving: • Write clean, maintainable, and scalable code across a variety of projects. • Collaborate with the team to deliver software solutions that meet client … requirements. • Proactively address technical challenges during development, contributing effective and practical solutions. • Conduct code reviews to ensure quality, consistency, and adherence to best practices. Some of the projects in the pipeline include helping to scale a global white-label platform and launching a new IoT data service. The company More ❯

testable code. Essential Skills: Proven experience delivering and supporting FIX protocol-based solutions in a trading or capital markets environment. Strong C#/.NET development skills with solid understanding of multi-threading, architecture, design patterns, and real-time systems. Python proficiency for scripting and API development. Experience working More ❯

Analytics background that wish to specialize in Information Architecture, Data Management and Governance and an interest in developing standards, tools and processes for other development teams that progress this through developing modern and innovative engineering methods. Information Architecture and Data Management continues to be a critical element to delivering … to create, maintain, govern and use Controlled Vocabularies and Data Souring Contracts with our Business Partners and the Chief Data Office. Engage with Software Development teams to determine their requirements for Model Engineering solutions and build prototypes and pilots to explore enhancements and new ways of working. Actively engage … with development teams to use, develop and improve Information Architecture standards, tools and processes as part of the development process. Incrementally standardize and simplify the Data and Information Architecture through the rationalization and reduction of models, interfaces and databases. Deliver to firm-wide and sub-LOBs Data Policy More ❯

Developer/Technical Consultant Location: Milton Keynes Salary: £45,000 to £50,000 per annum Ref No: IPRS7135 Duties and Responsibilities: To perform software development of delivered Infor M3 objects or the creation of new objects using Java programming language & associated tools and frameworks. To analyse and interpret client … requirements. To effectively interpret functional specifications and translate into technical software applications and/or design documentation. Requirements: Java development or any other programming language experience. Modern Web Technologies (Angular, TypeScript, JavaScript, CSS, HTML5, Node). SQL. Use of REST APIs (JSON/XML). Experience across the board … with a strong depth of knowledge Infor Products. Technical knowledge of LifeCycle Manager (LCM), M3 Adaptation Kit (MAK). Understanding of API Development. Strong experience in Installation and upgradation of Infor. Advance Working knowledge of SQL/T-SQL (including Database queries in iSeries). IEC (M3 e-Collaborator More ❯

position and risk management, post-trading analysis, and performance evaluation. You will collaborate with stakeholders at all levels, delivering solutions across the full software development lifecycle (SDLC). The core platform is built on . NET (C#) with SQL Server and KDB databases, complemented by a strategy platform in … Extensive software engineering experience, ideally in the financial industry, with exposure to capital markets. Strong skills in C#, software architecture, multi-threading, and Python API development. Proficiency with relational databases and SDLC tools like Git and JIRA. Why This Role? Excellent career growth potential and exposure to a dynamic More ❯

also has rights to developable land in Las Vegas post the closure of the Tropicana. Well, what about the team? Join our dynamic Sports API team (named Matchday), where you'll be at the forefront of creating our Online Sportsbook APIs that underpin the Bally Bet experience. You'll … Good collaborator, happy to jump in to help plan work, solve problems and deliver features. Knowledge of subjects including: Java, SpringBoot, relational databases and API design and development. Experience working using agile methodologies. Experienced with engineering best practices including TDD, pairing, automation, continuous delivery. Ideally also knowledge or experience … Good collaborator, happy to jump in to help plan work, solve problems and deliver features. Knowledge of subjects including: Java, SpringBoot, relational databases and API design and development. Experience working using agile methodologies. Experienced with engineering best practices including TDD, pairing, automation, continuous delivery. Ideally also knowledge or experience More ❯

India, focusing on developing mobile and web applications using Angular, Swift, Objective C, Kotlin and Google Cloud. This role emphasizes front-end and mobile development , modernizing legacy systems, ensuring they meet current and future business needs. The architect will create scalable, robust solutions and foster a culture of continuous … aligned with business needs, focusing on manageability, scalability, usability, resiliency, availability, security, and safety. They will determine coding standards, collaborate with stakeholders to prioritize development, and participate in technology evaluations and standards committees. The architect will influence and optimize software architectures across the organization. What you will be doing … Lead the design and modernization of legacy systems to meet current and future business needs, with a strong focus on front-end and mobile development using Swift, Kotlin, Android, Dart, and React Native. Ensure solutions are scalable, robust, and innovative, particularly in the context of mobile and web applications. More ❯

Evangelise emerging technologies and modern engineering practices. Mentor and guide large technical teams, promoting high standards in code quality, DevSecOps, and automation. Drive the development of cloud-native applications, with a strong focus on modern JavaScript frameworks and API/microservices architecture. Monitor and improve engineering maturity across … closely with stakeholders, manage technical dependencies, and communicate effectively through strong storytelling and influence. Essential Skills & Experience: Strong background in JavaScript frameworks, microservices, and API development. Experience in building modern applications with cloud-native architectures. Proven leadership in large technical teams, with an Agile and product-focused mindset. Expertise More ❯

Evangelise emerging technologies and modern engineering practices. Mentor and guide large technical teams, promoting high standards in code quality, DevSecOps, and automation. Drive the development of cloud-native applications, with a strong focus on modern JavaScript frameworks and API/microservices architecture. Monitor and improve engineering maturity across … closely with stakeholders, manage technical dependencies, and communicate effectively through strong storytelling and influence. Essential Skills & Experience: Strong background in JavaScript frameworks, microservices, and API development. Experience in building modern applications with cloud-native architectures. Proven leadership in large technical teams, with an Agile and product-focused mindset. Expertise More ❯

Evangelise emerging technologies and modern engineering practices. Mentor and guide large technical teams, promoting high standards in code quality, DevSecOps, and automation. Drive the development of cloud-native applications, with a strong focus on modern JavaScript frameworks and API/microservices architecture. Monitor and improve engineering maturity across … closely with stakeholders, manage technical dependencies, and communicate effectively through strong storytelling and influence. Essential Skills & Experience: Strong background in JavaScript frameworks, microservices, and API development. Experience in building modern applications with cloud-native architectures. Proven leadership in large technical teams, with an Agile and product-focused mindset. Expertise More ❯

Evangelise emerging technologies and modern engineering practices. Mentor and guide large technical teams, promoting high standards in code quality, DevSecOps, and automation. Drive the development of cloud-native applications, with a strong focus on modern JavaScript frameworks and API/microservices architecture. Monitor and improve engineering maturity across … closely with stakeholders, manage technical dependencies, and communicate effectively through strong storytelling and influence. Essential Skills & Experience: Strong background in JavaScript frameworks, microservices, and API development. Experience in building modern applications with cloud-native architectures. Proven leadership in large technical teams, with an Agile and product-focused mindset. Expertise More ❯

Evangelise emerging technologies and modern engineering practices. Mentor and guide large technical teams, promoting high standards in code quality, DevSecOps, and automation. Drive the development of cloud-native applications, with a strong focus on modern JavaScript frameworks and API/microservices architecture. Monitor and improve engineering maturity across … closely with stakeholders, manage technical dependencies, and communicate effectively through strong storytelling and influence. Essential Skills & Experience: Strong background in JavaScript frameworks, microservices, and API development. Experience in building modern applications with cloud-native architectures. Proven leadership in large technical teams, with an Agile and product-focused mindset. Expertise More ❯

augmented generation (RAG), and reasoning frameworks to build intelligent and context-aware systems. We are seeking talented Machine Learning Engineers with full-stack software development experience to join our client's team and help shape the future of AI-powered automation. Within this dynamic role varied duties will include … Search relevancy engineering. Conversational AI Development : Design, train, fine-tune, and deploy LLMs with reasoning capabilities. Retrieval-Augmented Generation (RAG): Implement, optimise, and scale RAG pipelines for effective information retrieval from structured and unstructured sources. Model Fine-Tuning & Training : Train domain-specific models using techniques like LoRA, QLoRA, PEFT … MLOps: Deploy scalable machine learning workloads on AWS using services like SageMaker, Bedrock, Lambda, S3, DynamoDB, ECS, and EKS. End-to-End AI Product Development : Work across the full ML lifecycle, from data collection and preprocessing to model evaluation, deployment, and monitoring. Full-Stack Integration : Develop APIs and integrate More ❯

to support business decisions, and data engineers to deliver an end-end solution. As a UI Application Developer, you will be responsible for the development of User Interface providing data visualizations to help with business operations and decision making. You will have an eye for good user design and … resources deployed. Key Skills and Qualifications: Required: Bachelor's degree in Computer Science, Electronics, Systems/Software Engineering, or equivalent. Experience in integrated application development teams. Proficiency in business analysis and requirements analysis. Familiarity with Agile frameworks. Knowledge of Low-Code UI and API Development. Experience in developing … data mining methods, data tools, and operational visualization of data. Experience in building and supporting data-driven applications. Familiarity with HTML/CSS Application Development Platforms. Proficiency in English language, spoken and written. Preferred: 3-5 years of experience in multinational organizations with international, cross-functional teams. More ❯