1 to 25 of 447 Permanent API Design Jobs

API Marketplace Solution Architect

Location
Greater London, England, United Kingdom
London, United Kingdom | Posted on 07/31/2026 Job Title: Solution Architect (API Lab & Marketplace Focus) Location: London/Edinburgh Job Type: Full-time About Us: At Lloyds Banking Group, we're helping Britain prosper by transforming the way technology enables our customers, colleagues, and businesses. Through … creating scalable, secure, and resilient services that power some of the UK's most important financial journeys. Within Lloyds Banking Group, the API Lab sits at the heart of our API and Digital Services Platform. Our mission is to enable teams across the Group to discover, build, deploy ...

Software Architect

Location
Greater London, England, United Kingdom
2026. The application happens there, not on DevConnect.Apply on Jobicy## DescriptionJob Requisition ID #26WD94957Position Overview At Autodesk, we are pioneers in 3D design, engineering, and entertainment software, building tools that empower some of the most creative minds on the planet to solve real-world problems. Recognized by Fortune, Forbes … services around it. Data is the domain, but the role is fundamentally one of cloud and services architecture — APIs, service contracts, integrations, distributed-systems design, and the connected data model that ties them together — spanning multiple teams. It is not a data-warehouse or analytics-specialist role. ...

Senior Manager, Mobile Engineering

Location
Greater London, England, United Kingdom
engineering execution, platform strategy, operational excellence, and talent development, ensuring teams deliver reliable, scalable, and high-quality mobile experiences. Working closely with Product, Design, Architecture, Security, Quality, and Operations partners, this leader will help shape the future of Expedia's mobile ecosystem, driving engineering best practices, modern mobile architecture … engineering teams delivering reliable, scalable native applications and shared mobile platform capabilities across multiple product domains. Set technical direction for mobile architecture, including system design, low-level design, API design, data modeling, integration patterns, and maintainable implementation practices across iOS and Android. Build and develop ...

Principal Engineer (Gen AI and MACH Architecture)

Location
Greater London, England, United Kingdom
believe in the imaginative application of art and science to create beautiful ideas, products and services. With an entrepreneurial and collaborative approach, we design and build adaptive digital products, services and experiences that capture the imagination and deliver impressive returns for our clients. We are looking for a senior … technical leadership, architecture and team guidance. You will lead the technical direction of complex client programmes across MACH architectures and production Generative AI; spanning Design to Code workflows, solution design and API contracts through to cloud infrastructure, deployment and ongoing operation. You will own architecture decisions, write ...

Senior Engineering Manager — Hotels.com Technology

Location
Greater London, England, United Kingdom
support to do their best work. Join us and build for travelers everywhere. 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 … loyalty, app and web experiences, and the platform capabilities underneath them. You will own technical direction and delivery for your team, drive system and API design for performance-critical, high-traffic customer-facing services, and partner closely with Product, Design, Data, Marketing, and Platform teams in small ...

Integration Architect

Location
Newcastle upon Tyne, England, United Kingdom
DNA. Invest in us andwe’llinvest in you!. Job Description We are looking for an experienced Integration Solutions Architect to lead the design, governance and modernisation of enterprise integration solutions across cloud-native, legacy and external partner environments. The role will have a strong focus on Microsoft Azure … Azure API Management (APIM) , designing secure, scalable and resilient integration architectures. You will work closely with engineering, platform, DevOps and architecture teams to establish API standards, integration patterns, automated deployment approaches and secure connectivity across Azure environments. Key Responsibilities Lead the end-to-end architecture and design ...

Integration Architect

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
within our DNA. Invest in us andwellinvest in you!. Job Description We are looking for an experienced Integration Solutions Architect to lead the design, governance and modernisation of enterprise integration solutions across cloud-native, legacy and external partner environments. The role will have a strong focus on Microsoft … Azure and Azure API Management (APIM) , designing secure, scalable and resilient integration architectures. You will work closely with engineering, platform, DevOps and architecture teams to establish API standards, integration patterns, automated deployment approaches and secure connectivity across Azure environments. Key Responsibilities Lead the end-to-end architecture ...

Principal Architect — Identity, Data Modeling, and Platform APIs

Location
Greater London, England, United Kingdom
strategic global solutions. Leverage your advanced architecture capabilities and collaborate with colleagues across the organization to drive best‐in‐class outcomes. You will design the data and API foundations that connect identity, authority, ownership, and permission to workload deployment on IaaS platforms and hypervisors. This is a senior … individual contributor role, focused on rigorous data modeling, software and API design, and identity architectures in a large, regulated financial environment. You will define canonical models and service contracts, ensure designs meet regulatory and control requirements, and partner closely with platform, engineering, and development teams. Job responsibilities Defines ...

Engineer III - API Office

Hiring Organisation
Edward Jones
Location
Tempe, Arizona, United States
Employment Type
Permanent
Salary
USD Annual
Fortune 500, published June 2024, data as of December 2023. Compensation provided for using, not obtaining, the rating. Team Overview: The mission of the API Office is to empower the Edward Jones Digital community to design, create and maintain impactful API Products by providing API consulting … promoting API lifecycle standards and best practices, and driving execution of the firm's API Strategy to advance overall API maturity. As an API Engineer III in the API Office, you will play a key role in designing and delivering API-first solutions with ...

Engineer III - API Office

Hiring Organisation
Edward Jones
Location
Saint Louis, Missouri, United States
Employment Type
Permanent
Salary
USD Annual
Fortune 500, published June 2024, data as of December 2023. Compensation provided for using, not obtaining, the rating. Team Overview: The mission of the API Office is to empower the Edward Jones Digital community to design, create and maintain impactful API Products by providing API consulting … promoting API lifecycle standards and best practices, and driving execution of the firm's API Strategy to advance overall API maturity. As an API Engineer III in the API Office, you will play a key role in designing and delivering API-first solutions with ...

Staff React Full Stack Engineer

Location
Greater London, England, United Kingdom
advanced agentic workflows at pace - orchestrating sub-agents, managing context, running parallel workstreams and embedding AI-native engineering patterns into everyday delivery. Interpreting our design system to craft beautiful, highly interactive UX workflows from low-fidelity inputs - you don't wait for polished Figma to produce polished UI. Inputting … into architecture and technical direction in collaboration with Principal Engineers - making considered, well-reasoned decisions on patterns, frameworks, state management, API design and performance. Championing a high-quality engineering culture - test coverage, peer review, CI/CD discipline via GitHub Actions, secure coding, accessibility (WCAG) and performance - aligned ...

Staff React Full Stack Engineer

Location
Metropolitan Borough of Solihull, England, United Kingdom
advanced agentic workflows at pace - orchestrating sub-agents, managing context, running parallel workstreams and embedding AI-native engineering patterns into everyday delivery. Interpreting our design system to craft beautiful, highly interactive UX workflows from low-fidelity inputs - you don't wait for polished Figma to produce polished UI. Inputting … into architecture and technical direction in collaboration with Principal Engineers - making considered, well-reasoned decisions on patterns, frameworks, state management, API design and performance. Championing a high-quality engineering culture - test coverage, peer review, CI/CD discipline via GitHub Actions, secure coding, accessibility (WCAG) and performance - aligned ...

Microsoft Full Stack Senior Developer (Manager)

Location
Greater London, England, United Kingdom
Stack Senior Developer who combines strong hands‐on engineering expertise with end‐to‐end technical delivery leadership. You will lead engineering teams, shape solution design, make pragmatic technology decisions and remain close enough to the code to assure quality and unblock delivery. In this highly visible role, you will … strategy and solution shaping through engineering delivery, transition to live service and ongoing optimisation In our team, you will: Engineering and architecture Lead the design and hands‐on development of enterprise applications using C#, .NET, ASP.NET Core, Web APIs and modern distributed application patterns. Design responsive, accessible front ...

Senior Python Engineer

Location
Greater London, England, United Kingdom
consultancy London, UK Job Title Senior Python Engineer Job Title Senior Python Engineer Job Description We're looking for a Senior Python Engineer to design, build, and scale the backend systems that power our products. You'll own services end to end — from architecture and API design through to deployment and monitoring — and work closely with product, data, and DevOps teams. Key responsibilities: Design, develop, and maintain scalable, high-performance backend services and APIs in Python Lead technical design discussions and make sound architectural decisions Write clean, well-tested, maintainable code and champion engineering ...

Senior Software Engineer (Full Stack) — Java & React

Hiring Organisation
Zühlke Engineering
Location
Manchester, UK
Employment Type
Full-time
maintain high standards of engineering quality. How you will make an impact Build and maintain reliable JVM-based services using Kotlin or modern Java. Design and develop APIs and integrations following industry standards. Contribute to API design standards and documentation. Deliver complete end-to-end features … Understanding the difference between relational, NoSQL and other persistence technologies. Experience building shared platforms, common services or greenfield technical foundations. Building APIs adhering to design principles such as RESTful API design Building observable systems Experience in regulated or financial-services environments. Exposure to payments, transaction processing ...

Technical Architect

Location
Milton Keynes, England, United Kingdom
Role Overview We are looking for an experienced Technical Architect with strong expertise in the Banking and Financial Services domain to lead the design and implementation of enterprise-grade technology solutions. The ideal candidate will possess deep technical expertise across application architecture, cloud technologies, integration platforms, and banking systems … while ensuring solutions align with business and regulatory requirements. Key Responsibilities Architecture & Solution Design Define and govern application architecture standards, frameworks, and best practices. Design scalable, secure, resilient, and high-performance banking applications. Create High-Level Design (HLD) and Low-Level Design (LLD) documents. Drive modernization ...

Senior Java Backend Engineer IRC307507

Location
Glasgow, Scotland, United Kingdom
company undertakes large-scale technology initiatives while prioritizing digital transformation, security, and continuous innovation. We're looking for an experienced Backend Engineer to design and build robust, scalable microservices. You'll work across the full backend stack - from API design through to production-grade integration testing - using … Spring Boot 3 Proven experience building and maintaining microservices architectures Practical experience with Kafka (producers, consumers, event-driven patterns) Strong understanding of REST API design best practices Proficiency with Gradle for build management Familiarity with MapStruct and Feign Working knowledge of domain-driven design (DDD) patterns ...

Java Backend Engineer IRC299950

Location
Glasgow, Scotland, United Kingdom
Gradle, Java, Kafka, REST APIs, Spring Boot We’re looking for an experienced Backend Engineer to design and build robust, scalable microservices. You’ll work across the full backend stack — from API design through to production‐grade integration testing — using modern Java and Spring technologies. Requirements Strong … Spring Boot 3 Proven experience building and maintaining microservices architectures Practical experience with Kafka (producers, consumers, event‐driven patterns) Strong understanding of REST API design best practices Proficiency with Gradle for build management Familiarity with MapStruct and Feign Working knowledge of domain‐driven design (DDD) patterns ...

Java Backend Engineer IRC299953

Location
Glasgow, Scotland, United Kingdom
Gradle, Java, Kafka, REST APIs, Spring Boot We’re looking for an experienced Backend Engineer to design and build robust, scalable microservices. You’ll work across the full backend stack — from API design through to production-grade integration testing — using modern Java and Spring technologies. Requirements Strong … Spring Boot 3 Proven experience building and maintaining microservices architectures Practical experience with Kafka (producers, consumers, event-driven patterns) Strong understanding of REST API design best practices Proficiency with Gradle for build management Familiarity with MapStruct and Feign Working knowledge of domain-driven design (DDD) patterns ...

Application Architect

Location
Nottingham, England, United Kingdom
Architect – Risk Intelligence Content Curation & Distribution Come join the Risk Intelligence Content Curation and Distribution team as an Application Architect, and help drive application design, as we support our World-Check customers in protecting against sanctions evasion, money laundering, human trafficking, terrorisim and more! Role Summary The Application Architect … role contributes to their the architecture and technical direction on the Risk Content Curation and Distribution Platform This role focuses on application‐level architecture, design quality, and technical guidance, working closely with Solution Architects, Product Owners, and engineering teams. You will help translate business and non‐functional requirements into ...

Senior Platform Engineer

Location
Reigate, England, United Kingdom
technical input, guidance and leadership to the team (including code quality, best practices, processes, some aspects of release management, etc.). Assist in the design and documenting of solutions meeting functional and non-functional requirements. Lead by example getting directly involved in the day-to-day delivery of work … bring Platform and controlplane engineering Practical experience designing and developing management and controlplane capabilities for lineofbusiness or SaaS applications, including stack/environment management, API design for platform services, and developer/operator UX. Experience working with or designing Azure stamp-based or scale‐unit architectures, including multi ...

Senior Platform Engineer

Hiring Organisation
WTW
Location
London, England, United Kingdom
technical input, guidance and leadership to the team (including code quality, best practices, processes, some aspects of release management, etc.). Assist in the design and documenting of solutions meeting functional and non-functional requirements. Lead by example getting directly involved in the day-to-day delivery of work … control plane engineering Practical experience designing and developing management and controlplane capabilities for line of business or SaaS applications, including stack/environment management, API design for platform services, and developer/operator UX. Experience working with or designing Azure stamp-based or scale‐unit architectures, including multi ...

Software Development Engineer II - Analytics Products

Location
Greater London, England, United Kingdom
platform, adding conversational analytics, agents, and self-service products alongside the dashboards people use today. We use AI tools and agents every day to design, code, and ship, and we work in short cycles: build something, put it in front of users, and turn what works into capabilities others … want someone who gets things done and cares about what to build as much as how to build it. In this role, you will: Design, develop, test, and maintain reliable software solutions for analytics products, contributing across the full software development lifecycle. Apply system design, low-level design ...

Software Development Engineer II - Analytics Products

Location
City of Westminster, England, United Kingdom
platform, adding conversational analytics, agents, and self-service products alongside the dashboards people use today. We use AI tools and agents every day to design, code, and ship, and we work in short cycles: build something, put it in front of users, and turn what works into capabilities others … want someone who gets things done and cares about what to build as much as how to build it. In this role, you will: Design, develop, test, and maintain reliable software solutions for analytics products, contributing across the full software development lifecycle. Apply system design, low-level design ...

Product Manager

Location
Greater London, England, United Kingdom
Partner and merchant satisfaction - Partner satisfaction/NPS; support volume; Strengthens retention and makes the platform easier to grow. Key Skills, experience and Competencies API Design - Expertise in understanding API design, reverse engineering, and developing comprehensive requirements for API specifications and solutions. Stakeholder Management - Experience ...