1 to 25 of 33 API Development Jobs in London

maintain internal web and mobile apps, design systems, APIs, and platform services Act as champions of engineering excellence , good design, accessibility and AI-assisted development Work closely with People, Ops, Product and Design to solve real-world problems in our restaurants Bring Nando s values alive in our delivery … codebase across React Native (App), React (web), APIs, and shared design systems. Alongside the team, you ll work with: Node.js/Express web API development OpenAPI specification driven development Storybook design system development and component libraries Figma designs interactive UI components Docker containerisation and container-based ...

About The Opportunity We are looking for an Engineering Manager (f/m/d) to lead a high-performing, remote-first API development team based in Europe who are driving Contentful’s REST and GraphQL APIs that enable customers to manage and deliver content at scale. … driven capabilities. We aim to help customers accelerate innovation, reduce operational complexity, and unlock new growth opportunities through a secure, performant, and extensible API ecosystem. You’ll partner closely with cross-functional teams to ensure alignment between technical goals and business objectives, driving scalable, high-performance APIs that power ...

improves the overall student experience. How youll spend your day As a Full Stack Lead Engineer, you will be responsible for leading the design, development, and maintenance of scalable, high-performance applications across both frontend and backend systems. You will collaborate closely with product managers, designers, and other engineers … Youll also be expected to actively explore, evaluate, and adopt the latest Generative AI tools and practices to enhance productivity, streamline workflows, and accelerate development across the engineering team. Lead full stack development using ReactJS, TypeScript, Node.js , and related technologies. Architect and implement robust, scalable, and secure APIs ...

someone who is comfortable working with existing technologies while contributing to the modernisation of critical banking systems. The position spans the full software development life cycle, with core technologies centred on Java and React, and suits a developer who values building robust, scalable solutions rather than focusing … Java and React Developers, UI/UX specialists and Agile Transformation functions to help architect and deliver applications in line with best design and development practices. Operating in an Agile/Scrum environment, they will be adept at producing clean, testable and maintainable code and will demonstrate strong analytical ...

livelink Excellent communicator in English - both written and verbal Minimum of 15 years of broad IT experience with 10-12+ years proven Java development Experience of a broad range of development languages and technologies ; Java 8, 17, Spring, SpringBoot, Hibernate, JEE, Swing, MVC, Angular & AngularJS, JQuery, AJAX … XSLT, Webservice, JAXB, JSP, Tomcat, Apache, JBoss Enterprise Application Platform, SQL, Jira, Subversion, Azure Pipeline ADO, XML, and related technologies. Extensive experience in API development both REST and SOAP. Experience in OpenText Livelink APIs will be added bonus. Build scripts : Maven, Ant, CI/CD using Azure pipeline. ...

ProManage IT Solution About the Role ProManage IT Solution is seeking an experienced Business Development Manager to lead and grow our international sales pipeline on a contract basis for the UK market. This role centres around strategic cold outreach, nurturing high-value prospects, managing the sales funnel, and expanding … presence in the IT & Digital Services sector. The ideal candidate will combine strong communication skills with a deep understanding of IT solutions—including website development, SEO, PPC, digital marketing, e-commerce platforms, AI automations, and custom software development. You will work independently while closely coordinating with our internal teams ...

ProManage IT Solution About the Role ProManage IT Solution is seeking an experienced Business Development Manager to lead and grow our international sales pipeline on a contract basis for the UK market. This role centres around strategic cold outreach, nurturing high-value prospects, managing the sales funnel, and expanding … presence in the IT & Digital Services sector. The ideal candidate will combine strong communication skills with a deep understanding of IT solutions—including website development, SEO, PPC, digital marketing, e-commerce platforms, AI automations, and custom software development. You will work independently while closely coordinating with our internal teams ...

process flow diagrams, conducting time-motion studies, identifying bottlenecks and inefficiencies, and redesigning processes to be machine-readable and automation-ready using methodologies. Python Development - Strong proficiency in Python programming including object-oriented design, asynchronous programming, error handling, and writing clean, maintainable code. Experience with key libraries including Pandas … business process applications, configuring workflows, implementing business rules, managing records, and integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models and automation services. ...

process flow diagrams, conducting time-motion studies, identifying bottlenecks and inefficiencies, and redesigning processes to be machine-readable and automation-ready using methodologies. Python Development - Strong proficiency in Python programming including object-oriented design, asynchronous programming, error handling, and writing clean, maintainable code. Experience with key libraries including Pandas … business process applications, configuring workflows, implementing business rules, managing records, and integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models and automation services. ...

Continuous integration, across a wide spectrum of underlying technologies. Teams provide a full range of application and infrastructure delivery services including project management, analysis, development, testing, implementation, systems integration, service management and support. Duties And Responsibilities To work closely with the Traders and Sales to build a low latency … opportunity to be creative when solving problems and developing products. Strong entrepreneurial spirit with an ability to work independently and demonstrate project ownership. Development and support of Front Office Systems. Contribute to the recommendation and assessment of new technologies to add value to the Front Office Development team. ...

candidates have led enhancements, maintenance, or improvements of existing systems. This position is especially suitable for those with hands-on experience in financial system development or financial IT consulting. Employment Type: Full-time, Permanent Salary: £40k-£65k depending on experience Start Date: Negotiable Working Hours: Monday to Friday … Server Propose and implement improvements or new functionalities for existing systems Coordinate with internal and external stakeholders Financial Systems Developer Ideal Candidate: Development experience with C#.NET (3+ years preferred) Experience with SQL and database operations Knowledge of financial systems or financial operations (e.g., payments, settlements, reporting) is a plus ...

making, and deliver predictive insights valued by our clients globally. You will leverage your deep technical knowledge to build AI applications, intelligent agents, and API-based solutions, creating proof of concepts and transitioning these prototypes into scalable, cloud-based applications. In this role, your curiosity, creativity and problem-solving … analysis, and applied machine learning. Actively experiment with emerging AI tools and models, translating curiosity into tangible improvements across workflows and client-facing solutions. Development : Liaise with internal and external development resources, overseeing project timelines, deliverables and quality of work, ensuring alignment of projects to the UKIME Innovation ...

experience working as a Full Stack Developer within the public sector Active Security Clearance (SC) Strong proficiency in Java and Spring Boot for Backend development Solid experience with React and Next.js for Frontend development Hands-on experience working with Cloud environments (AWS) Experience implementing CI/CD pipelines … familiarity with Docker/Kubernetes Skilled in API development and microservices architecture Strong technical and leadership capabilities Nice to have: Immediate availability Previous experience delivering greenfield development If you're interested in this role, click 'apply now' to forward an up-to-date copy of your ...

Title: Python Tech Lead Location: London (Hybrid) Job Type: Contract Responsibilities: Proven expertise in Network Operational Automation and Provisioning, including the development of Network Intent APIs using Python, Ansible, and related programming languages. Skilled in backend service development using frameworks such as FastAPI, Flask, and Django, as well … Skilled in CI/CD practices, with hands-on experience in GitHub workflows. Demonstrated success in automating build, test, and deployment pipelines to enhance development efficiency. Proficient in API design and development, with a deep understanding of RESTful principles and authentication mechanisms. Capable of leading API ...

reliability. Create intuitive, responsive frontends with React JS and Angular. Design and maintain databases using SQL and NoSQL technologies. Implement best-in-class API security (OAuth2, JWT). Drive automation through CI/CD pipelines and automated testing suites. Troubleshoot and resolve incidents with a long-term mindset. Document … stakeholders. Stay ahead of industry trends and recommend improvements. Conduct code reviews and mentor team members. What We’re Looking For Proven experience in API development with .NET Core or similar frameworks. Strong understanding of RESTful APIs and gRPC. Expertise in relational (SQL Server, PostgreSQL) and NoSQL databases. ...

Senior Engineer, you will also use your knowledge of Software Engineering to support the shaping of new projects and support the professional development of less experienced Engineers. There are opportunities to become a people manager for your fellow engineers if that is something that appeals to you Successful candidates … Java. A structured approach to systems analysis and development. Experience with application frameworks such as http4k or Spring Boot. An understanding of Agile development methods such as Scrum or Kanban. Familiarity with techniques like TDD, pair programming. Continuous Integration/Continuous Delivery. An understanding of Microservice and Event Driven ...

This is an opportunity to work on high-impact digital projects for purpose-driven organisations and contribute to the evolution of a modern, innovative development function. You will collaborate closely with strategists, designers, and developers to build exceptional web applications, take full ownership of development projects, and help … enjoys solving complex problems, and values craftsmanship in engineering. Tech stack: Vue.js, Nuxt, Headless CMS, Laravel or Node.js Key Responsibilities • Lead end-to-end development of bespoke, responsive websites and digital experiences • Build modern front-end interfaces with Vue.js, Nuxt and contemporary tooling • Develop and integrate backend services ...

system integration . Key Skills & Experience Proven experience as a Backend Python Developer , ideally within cloud environments. Solid understanding of microservice architecture and API development . Experience with AWS or Azure and containerisation (Docker, Kubernetes). Exposure to MLOps or AI model integration is desirable. Strong coding standards ...

components. Collaborate with product, engineering, and QA teams to deliver secure, scalable solutions. Support the migration and refactoring of legacy ColdFusion code to modern development standards. Troubleshoot performance issues, implement fixes, and ensure best practices in coding and testing. Contribute to documentation, code reviews, and continuous improvement initiatives. ColdFusion …/CFML (Adobe ColdFusion or Lucee). Proficient in SQL and relational databases such as MySQL, PostgreSQL, or SQL Server. Solid understanding of REST API development, integrations, and modern application architecture. Familiarity with JavaScript frameworks (e.g., Vue.js, React) and front-end best practices. Experience with Git, CI/ ...

high-growth, mission-driven product. You will report to the Director of Engineering in this hybrid position. Responsibilities Lead a growing, distributed development team of 4 engineers across Germany, fostering a collaborative and high-performing remote culture Coach and grow individual team members, supporting their professional development … computer science, engineering, or a related field 4+ years of experience managing product engineering teams 10+ years of hands-on software development experience in cloud services and applications Proficiency in cloud platforms (e.g., AWS, GCP, or Azure) Experience with Agile development practices such as Scrum or Kanban Passion ...

earning substantial bonuses. What's in it for you: Salary to £90k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Your role: As a .Net Developer 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 ...

technical expertise in Python, JavaScript, RESTful APIs, SQL, cloud infrastructure (AWS or Azure), IoT communication protocols (MQTT, Modbus, BACnet), and data visualizationtools. Responsibilities include API development, system integration, dataoptimization, and performance tuning. The candidate will collaborate with global engineering teams to deliver scalable smart facility solutions, ensuring reliability ...

researchers, and founders. Freedom to experiment with state-of-the-art models, tools, and frameworks. Modern tech stack (Python, LangChain, Hugging Face, OpenAI API, Pinecone, Kubernetes, etc.). Flexible working — remote-first culture with in-person team sessions for collaboration. Career acceleration — opportunities to own projects, lead development … Data Pipelines, Prompt Engineering, Model Fine-Tuning, Cloud Computing, AWS, Azure, Google Cloud, AI Infrastructure, Transformers, Reinforcement Learning, Vector Databases, Pinecone, Weaviate, Semantic Search, API Development, AI Deployment, Model Serving, AI Automation, Early Stage Startup, AI Startups, Tech Startup, Machine Intelligence, Applied AI, AI Applications, AI Innovation ...

continually improve The client's digital proposition, which could include product ownership of the newly introduced 'My The client' platform and commercial B2B API portal. 'My The client' enables The client passengers to have a single login which is used to access bookings and self-serve their The client … optimise that delivery process. Deliver innovative digital experiences to a global audience to improve conversion, revenue and third-party developers using the commercial B2B API portal. Communicate with and influence 3rd Party Stakeholders and the wider The client business to maintain strategic alignment of the products being developed. Grade ...

continually improve The client's digital proposition, which could include product ownership of the newly introduced 'My The client' platform and commercial B2B API portal. 'My The client' enables The client passengers to have a single login which is used to access bookings and self-serve their The client … optimise that delivery process. Deliver innovative digital experiences to a global audience to improve conversion, revenue and third-party developers using the commercial B2B API portal. Communicate with and influence 3rd Party Stakeholders and the wider The client business to maintain strategic alignment of the products being developed. Grade ...