1 to 25 of 180 API Design Jobs

Apigee Developer

Hiring Organisation
ARM
Location
Slough, Berkshire, United Kingdom
Employment Type
Contract
market rate Slough based - hybrid working - 3 days a week on site Telecoms sector We are seeking a skilled and motivated Apigee Developer to design, build, and manage API solutions that enable secure, scalable, and high-performing integrations across our clients' digital ecosystems. You will play … role in delivering API-led connectivity strategies using Google Apigee, supporting both internal and external-facing services. This is an exciting opportunity to work in a fast-paced, technology-driven environment, contributing to large-scale transformation programmes and modern API architectures. Key Responsibilities: Design, develop, and deploy ...

Director, Product Management

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success.Why Join Us To shape the future of travel … fuel our employees' passion for travel and ensure a rewarding career journey. We’re building a more open world. Join us.Director, Product Management – Rapid API – New Lines of BusinessExpedia Group B2B is the engine behind thousands of global travel partnerships — powering OTAs, airlines, loyalty programmes, travel management companies ...

Director, Product Management

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Expedia Group brands power global travel for everyone, everywhere. We design cutting‐edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success. To shape the future of travel, people must … employees' passion for travel and ensure a rewarding career journey. We’re building a more open world. Join us. Director, Product Management – Rapid API – New Lines of Business Expedia Group B2B is the engine behind thousands of global travel partnerships — powering OTAs, airlines, loyalty programmes, travel management companies ...

Director, Product Management

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Director, Product Management – Rapid API – New Lines of Business Expedia Group is a global travel technology company that connects partners with the world’s most comprehensive travel inventory. Responsibilities Define and own the multi‐year product roadmap for Rapid APIs across Vrbo, Car, Activities, and Ground Transportation, aligning with … growth strategy and partner demand signals. Directly manage a team of four Product Managers, each responsible for a distinct API domain (Vrbo, Car, Activities, and Ground Transportation), providing coaching, career development, and clear accountability frameworks. Develop close relationships with key B2B partners to understand their needs, participating in QBRs ...

AWS API Engineer / Data Architect

Hiring Organisation
Capgemini
Location
Hampshire, United Kingdom
Employment Type
Full Time
Data Global Practice, which has seen strong growth and continued success across a variety of projects and sectors. Data Platforms is home to API Engineers, Data Engineers, Platform Engineers, Solutions Architects and Business Analysts focused on driving our customersdigital and data transformation using modern cloud platforms. We specialise … latest frameworks, reference architectures and technologies across AWS, Azure and GCP, including API/microservices patterns and data platforms such as AWS-native analytics services and Snowflake. As an AWS API Engineer/Data Architect at Capgemini, you will design and deliver secure, scalable API ...

Full Stack - Tech Lead (Node.js, React, Java Script)

Hiring Organisation
Expleo Group
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
Overview Provide technical leadership across development teams to ensure the design and delivery of high-quality, scalable, and maintainable software solutions. The role combines hands-on development expertise with leadership responsibilities, translating business requirements into robust technical solutions while driving engineering excellence, delivery consistency, and collaboration across onshore … offshore teams. Responsibilities Technical Leadership & Solution Delivery Lead the design and development of key features, components, and services across the application stack Provide hands-on guidance in building scalable applications using React, Node.js, and TypeScript Own critical technical decisions, ensuring alignment with architectural standards and long-term scalability goals ...

Senior Software Engineer

Hiring Organisation
Circadia Health
Location
City of London, London, United Kingdom
frontend performance using techniques like lazy loading, code splitting, and caching. Ensure cross-browser compatibility and adherence to WCAG guidelines for accessibility. Backend/API Development: Design, develop, and maintain RESTful APIs using Python (FastAPI) to support healthcare applications. Collaborate with frontend and mobile developers to integrate APIs … Security and Compliance: Implement and maintain security measures to protect sensitive healthcare data. Ensure compliance with healthcare regulations, including HIPAA. Regularly update and patch API endpoints to address vulnerabilities. Documentation and Collaboration: Create and maintain comprehensive documentation for APIs, workflows, and best practices. Maintain detailed change logs, version histories ...

Senior Azure AI Platform Engineer | Azure AI Foundry | C# | APIs

Hiring Organisation
Intelligent Talent Solutions Ltd
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
delivering secure, scalable and reusable AI capabilities that can be consumed across digital products, automation platforms, Copilot solutions and wider business services. Key Responsibilities Design and build AI-enabled services using Azure AI Foundry and Azure OpenAI Design, develop and support secure REST APIs using C# and .NET … Build and manage Azure Functions and serverless services Develop and support MCP Servers and AI integration services Design event-driven architectures using Azure Service Bus Manage APIs through Azure API Management Expose AI capabilities through secure, auditable APIs and reusable services Support Copilot Studio and AI-enabled workflows ...

Staff Software Engineer (Java, Glasgow)

Hiring Organisation
Consol Partners
Location
Glasgow, Lanarkshire, United Kingdom
Employment Type
Any
Salary
GBP Daily
complex, regulated environment. Key Responsibilities Technical & Modernisation Leadership Lead the modernisation of large-scale Legacy systems , transitioning from monolithic architectures to scalable, API-driven microservices. Drive architectural best practices across performance, reliability, security, and maintainability. Engineering Leadership & Delivery Provide hands-on technical leadership while mentoring and managing a large … architecture, product, and business stakeholders. Translate complex regulatory and financial requirements into low-level technical designs and implementation plans . Full-Stack Development Leadership Design and build secure, high-performance applications using Java 17+ , Spring Boot, and Angular . Set standards for Front End engineering, API design ...

MuleSoft Developer

Hiring Organisation
EUROPEAN SOFTWARE SOLUTIONS (UK) LIMITED
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£350 per day
maintaining integration solutions within the Energy & Utilities domain . This is an individual contributor role requiring hands-on expertise across the full integration lifecyclefrom design and documentation to deployment and incident handling. Key Responsibilities Design & Architecture Design scalable, secure, and reusable integration solutions using MuleSoft Anypoint Platform … Define API-led connectivity architecture and integration patterns Collaborate with enterprise architects and business stakeholders Development & Implementation Develop APIs and integrations connecting Salesforce, Powercloud , and SAP, Azure & AWS Build, test, and deploy Mule applications using best practices Implement data transformation, orchestration, and real-time/event-driven integrations Documentation ...

Senior Solutions Engineer (APIs & AI)

Hiring Organisation
Neulinx
Location
United Kingdom
hotels, holiday rentals and accommodation providers worldwide. We're looking for a Senior Solutions Engineer to help shape the future of the platform's API ecosystem and next generation of AI-powered products. This is a unique opportunity for someone who enjoys combining technical expertise with customer engagement. … work directly with customers, partners, product teams and software engineers to solve integration challenges, influence product direction and help deliver modern API and AI capabilities. As the platform evolves, you'll also play an important role in AI-powered workflows, MCP integrations and developer tooling , helping define how customers ...

Senior JavaScript/React Engineer - Remote

Hiring Organisation
Turing
Location
Tittling, Bayern, Germany
Employment Type
Contract
Contract Rate
EUR Annual
able to work across backend and frontend codebases Experience deploying scalable, production-grade software using modern languages and tools Deep understanding of software architecture, design, development, debugging, and code quality/review assessment Excellent oral and written communication skills for clear, structured evaluation rationales Ideal background: experience building production … code examples, provide precise solutions, and make corrections across the full stack (Python for backend/ML workflows; JavaScript: React, Node.js for frontend/API; plus C/C++, Java, Rust, Go) Evaluate and refine AI-generated code for efficiency, scalability, and reliability across backend and frontend contexts Collaborate ...

Senior Java Software Engineer

Hiring Organisation
Gazelle Global
Location
City of London, London, United Kingdom
client in London area. 36- 40 hours 2 - 3 year project Hybrid (2 days per week onsite) The project and responsibilities: To lead the design and development of highly scalable, resilient, and performant backend systems. This role is suited for a hands-on technical leader who can set engineering … drive complex solutions across multiple teams. Technical Leadership Define and evolve the technical strategy and architectural direction for backend services and distributed systems. Design scalable, fault-tolerant, event-driven, and cloud-native backend architectures. Lead complex engineering initiatives spanning multiple teams, domains, or platforms. Provide deep hands-on expertise ...

Remote Software Developer (LLM Evaluation) - Remote

Hiring Organisation
Turing
Location
Tittling, Bayern, Germany
Employment Type
Contract
Contract Rate
EUR Annual
experience Strong expertise in building full-stack applications and deploying scalable, production-grade software using modern languages and tools Deep understanding of software architecture, design, development, debugging, and code quality/review assessment Excellent oral and written communication skills for clear, structured evaluation rationales Candidates must be based … benchmarks Build agents that can verify the quality of code and identify error patterns Hypothesize on steps in the software engineering cycle (prototyping, architecture design, API design, production implementation, launch, experiments, monitoring, operational maintenance) and evaluate model capabilities on them Design verification mechanisms that can automatically ...

Remote Senior Python Engineer - Remote

Hiring Organisation
Turing
Location
Tittling, Bayern, Germany
Employment Type
Contract
Contract Rate
EUR Annual
building production-grade software Experience building full-stack applications and deploying scalable software using modern languages and tools Deep understanding of software architecture, design, development, debugging, and code quality/review assessment Excellent oral and written communication skills for clear, structured evaluation rationales Ideal background: engineers who have built … automated verification tools in Python to verify code quality and identify error patterns Hypothesize on steps in the software engineering cycle (prototyping, architecture design, API design, production implementation, launch, experiments, monitoring, operational maintenance) and evaluate model capabilities on them Design verification mechanisms that can automatically verify ...

Senior Backend Engineer (Python/FastAPI) - Remote

Hiring Organisation
Turing
Location
Tittling, Bayern, Germany
Employment Type
Contract
Contract Rate
EUR Annual
/C++, Rust, and Go Experience building and deploying scalable, production-grade software using modern languages and tools Deep understanding of software architecture, design, development, debugging, and code quality/review assessment Excellent oral and written communication skills for clear, structured evaluation rationales Ideal background: engineers who have built … verify the quality of systems-level and infrastructure code and identify error patterns Hypothesize on steps in the software engineering cycle (prototyping, architecture design, API design, production implementation, launch, experiments, monitoring, operational maintenance) and evaluate model capabilities on them Design verification mechanisms that can automatically verify ...

Backend Software Engineer - SaaS - Remote (Northern Ireland) JBLE1 NI

Hiring Organisation
VANRATH
Location
Belfast, UK
genuine impact on technical direction, engineering standards, and long-term platform strategy. As a Senior Backend Engineer, you will take ownership of backend architecture, API design, infrastructure, and platform reliability. You will work closely with developers across the business to improve scalability, security, performance, and operational excellence while … experience working with AWS cloud infrastructure including services such as Lambda, RDS, S3, and IAM * Strong understanding of application security, authentication, authorisation, and secure API design * Experience designing, optimising, and scaling relational databases (PostgreSQL preferred) * Experience with CI/CD pipelines, DevOps practices, and production environments * Comfortable leading ...

Technical Product Manager

Hiring Organisation
Creditsafe
Location
Cardiff, Wales, United Kingdom
looking for a Technical Product Manager to join the API team, driving the product direction. This is a highly technical role, the ideal candidate will have worked in a technical role previously moving in to Product or have a passion for development and understand the structure of API … current and future customer needs (including readiness for AI agents and LLM-based consumption). Key to the role will be working with the API Architect and development team to ensure we are building the right thing at the right time. You will work closely with engineering, product, marketing ...

Senior Java Engineer

Hiring Organisation
Tiro Partners Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
development tools (e.g. Claude Code, GitHub Copilot, LLMs) Experience with MCP, AI automation, or agentic AI systems Strong understanding of microservices and API design London 3 days a week in the City Cracow- 3 days per week -7920 Euro Gross Perm Month + Bonus + Bens Poland Remote … Euro Per year + Bonus + Bens The interview process is an algorithmic coding exercise online with client panel. Java/Microservices/API design/LLMs/AI/Claude Code/Copilot/Algo ...

Technical Architect

Hiring Organisation
SR2 - Socially Responsible Recruitment
Location
Swindon, Wiltshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
experienced Technical Architect looking to shape the future of enterprise technology? We're looking for a technically strong architect to lead the design and evolution of modern, cloud-first solutions within this financial services business! This is a strategic role where you'll define architecture, influence technology decisions … Architect or similar, with strong expertise across Microsoft technologies and modern cloud architecture; Stack: Microsoft Azure and cloud-native architecture Microservices and distributed systems API design, API Management and enterprise integration . NET and Microsoft technology stacks Microsoft Entra ID, Microsoft 365 and Dynamics 365 Desirable: Cloud ...

Sr. Software Engineer, Infrastructure

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
external electronic health record (EHR) system data. Monitor and maintain MySQL databases to guarantee optimal performance and reliability. Collaborate with the backend team to design and implement APIs supporting Circadia's suite of products. Architecture: Design, deploy, and manage AWS infrastructure solutions to support various applications and services. … Design scalable systems for storage and processing of large amounts of medical data. Manage databases (e.g., MySQL, MongoDB), optimizing for performance, scalability, and cost-efficiency. Manage compute clusters (e.g., ECS), serving various internal and customer-facing products and services. Utilize Terraform to efficiently manage cloud infrastructure. Ensure high availability ...

Java Developer

Hiring Organisation
scrumconnect ltd
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
lives of over 40 million UK citizens. We deliver impactful technology solutions across UK government departments, working at the forefront of user-centred design, agile delivery, and scalable digital services that genuinely make a difference. Visa sponsorship available for eligible candidates Strong focus on work-life balance with … Swansea, South Wales - three days per week on-site Role Overview We are seeking a highly skilled and experienced Java Developer to lead the design, development, and delivery of scalable, secure, and high-performance enterprise applications. The ideal candidate will possess deep expertise in Java and Spring Boot, strong ...

MuleSoft Integration Architect

Hiring Organisation
CGI
Location
United Kingdom
Employment Type
Full Time
technology ecosystems through scalable integration solutions that enable innovation, agility, and long-term business value. As a Senior Integration Architect, you'll lead the design and delivery of enterprise-wide integration strategies that support critical digital transformation programmes and enhance connectivity across platforms, applications, and services. Working alongside engineering … responsibilities In this role, you will lead the architecture and delivery of enterprise integration solutions across complex business and technology environments. You'll design scalable API-led and event-driven architectures that enable secure, resilient, and high-performance data exchange between enterprise systems, cloud platforms, and third-party ...

Integration Engineer

Hiring Organisation
Searchability NS&D
Location
London Area, United Kingdom
Data & API Integration Engineer/Architect Location: London customer site – 1/2 days p/week on site Salary: Up to £105k DoE plus bonus Clearance: Active SC preferred - can sponsor if not currently held (British passport required) To apply, email: henry.clay-davies@searchability.com We’re working with … leading technology consultancy delivering secure, large-scale digital platforms across public sector and enterprise programmes. They’re looking for an experienced AWS API & Integration Engineer to help design and deliver modern, scalable API-led architectures. This is a hands-on engineering role focused on building secure, cloud ...

Java Developer - Payments

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £130000/annum
senior individual contributor who combines hands-on Java development with architectural leadership, remaining close to implementation and setting the technical standard through design, code-level guidance, and practical problem solving. Design, build, and evolve highly available, high-throughput, zero-downtime systems and internet-facing APIs that can scale … securely for large retail and external client volumes. Lead architectural decisions across API design, domain modelling, integration patterns, resilience, observability, and operational robustness, ensuring the platform is fit for 24/7 global production use. Work across multiple software engineering teams to drive consistency in engineering standards, development ...