1 to 25 of 241 API Design Jobs

Solutions Architect

Hiring Organisation
CSI GLOBAL LTD
Location
City of London, London, United Kingdom
London, UK Inside IR35 Hybrid to office What you'll do :We are looking for an experienced developer with a strong background in RESTful API design, contract-based development, and architecture modeling, who can deeply understand and analyze the functionalities of our existing applications to effectively design and implement APIs. The ideal candidate will be adept at making strategic decisions about what functionalities to expose through the API, determining the best methods for this exposure, and ensuring that the API design aligns with both the application's needs and the end users' requirements. ...

Senior Software Development Engineer

Hiring Organisation
Expedia
Location
London, United Kingdom
Salary
£ 80 K
pivotal role in shaping our technical domain with the goal of powering all Expedia Group’s brands and product lines.In this role, you will:Design, build, and evolve robust, scalable, and secure backend services and applications, including clear low-level and high-level designs, APIs, data models, and explicit … facing pricing and offers experiences across Expedia Group brands.Lead end‐to‐end implementation of complex features and systems within the Offers Domain, from technical design and coding through testing, deployment, monitoring, and ongoing operational support, ensuring simple, accurate, and transparent pricing throughout the shopping and booking journey.Partner closely with ...

Software Architect

Hiring Organisation
Autodesk
Location
United Kingdom
Salary
£ 70 K
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, Glassdoor, and others as a top place to work … 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. ...

GCP Solution Architect

Hiring Organisation
83zero Ltd
Location
Edinburgh, City of Edinburgh, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
Location: Edinburgh Salary: £80,000 - £100,000 Job Type: Permanent The Role We are looking for an experienced Solution Architect - API & GCP to join a growing technology team in Edinburgh. You will play a key role in shaping the architecture and strategic evolution of an API Marketplace platform … working closely with product, engineering and business stakeholders. This is a great opportunity for an architect with strong API, cloud-native and Google Cloud Platform (GCP) experience to have a genuine influence on enterprise technology direction. Key Responsibilities Own and drive architectural decisions across the API Marketplace platform. ...

Senior Full Stack Engineer – Vialto Rewards - Senior Manager

Hiring Organisation
Vialto Partners
Location
London, United Kingdom
Salary
£ 100 K
news in the industry. You can also follow us on Linkedin and Instagram. Job description Vialto is hiring a Senior Full Stack Engineer to design, build, and operate secure, scalable products that power our Compensation Collection, Shadow Payroll, and Equity offerings for the world’s most complex multinational employers. … Shadow Payroll, and Equity products using Next.js, React, and TypeScript with a focus on performance, reliability, and clarity for tax, payroll, and mobility operators. Design and implement backend services and APIs using C#, .NET, and WebAPI to support compensation data ingestion, cross-border payroll calculations, equity event processing ...

Senior Frontend Engineer (UK)

Hiring Organisation
Pigment
Location
London, United Kingdom
Salary
£ 80 K
guide users and streamline complex workflows.ð Visualize Complex Data: Build and optimize advanced data visualizations like charts, maps, and real-time dashboards.ð Shape the Design System: Influence and maintain our proprietary design system to deliver consistent, high-performance UIs.ð Tackle Real Challenges: Solve complex problems involving large datasets … working on production systems.- Proven expertise in building scalable UIs with React and TypeScript.- A track record of collaborating with backend engineers to shape API design and optimize data consumption.- Experience working with design systems, performance optimization, and handling large datasets.- Strong communication skills and a problem ...

Integration Engineering Manager

Hiring Organisation
Insulet Corporation
Location
London, United Kingdom
Salary
£ 100 K
capability is responsible for advancing Insulet’s AI enablement foundation through MuleSoft Anypoint Platform, MuleSoft AI Gateway, Model Context Protocol (MCP), MuleSoft Agent Fabric, API-led connectivity, event-driven integration, and secure agent-to-system orchestration. The role will help transform existing enterprise APIs and integrations into trusted, reusable … portfolio, lead a globally distributed MuleSoft engineering team, and partner with Enterprise Architecture, AI/ML, Salesforce, Data, Security, Product, and Platform teams to design and operate the integration layer for the agentic enterprise in a highly regulated healthcare environment. Global AI Enablement & Collaboration Model Serve as a primary ...

Technical Product Manager

Hiring Organisation
HUKM Development
Location
Buckinghamshire, England, United Kingdom
Probation: 6 months About the role As a Technical Product Manager at HUKM, you will lead the development and delivery of backend and API-driven products. You will manage development pods, translate business requirements into technical solutions, and drive execution through agile delivery. This is a hands-on technical … development pods of 15 to 20 engineers, ensuring effective collaboration and delivery Define product roadmaps, prioritise features, and maintain product backlogs for backend and API initiatives Design and document API specifications, data models, and system architecture alongside engineering teams Run sprint planning, daily standups, sprint reviews ...

Enterprise Architect

Hiring Organisation
Howden Group Holdings
Location
London, United Kingdom
Salary
£ 80 K
govern the architecture of the Digital Backbone – the foundational layer that connects systems, data, and services across the enterprise – while driving adoption of API-first principles, integration best practices, and enterprise-wide governance.The Digital Backbone is Howden Group's foundational technology and integration layer, designed to eliminate fragmented systems … DesignDefine, own, and communicate the enterprise architecture of the Digital Backbone, establishing it as the strategic integration platform across Howden Group.Architect and lead the design, development, and deployment of APIs and integrations, ensuring alignment with enterprise-wide standards and the Digital Backbone's strategic goals.Drive adoption of API ...

Boomi Architect

Hiring Organisation
Syntax Consultancy Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day 500/day (Outside IR35)
. Start ASAP during Summer 2026. Key skills, experience + tasks will include: Boomi Solution Architect with a strong focus on Boomi/iPaaS, API Management, Event Streaming, integration architecture, governance + technical leadership. Integration Adoption & Project Onboarding - architecture engagement + onboarding of priority projects onto the strategic integration … platform (e.g. SDEC, S4H, DWIT). Production of project-specific integration designs aligned to approved iPaaS, API and Streaming patterns. Completion of architecture assurance reviews and design recommendations for onboarding projects. Support projects through technical discovery, design and implementation phases. Reusable Integration Asset Library: design ...

Boomi Architect

Hiring Organisation
Syntax Consultancy Limited
Location
South West London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
500/day (Outside IR35)
. Start ASAP during Summer 2026. Key skills, experience + tasks will include: Boomi Solution Architect with a strong focus on Boomi/iPaaS, API Management, Event Streaming, integration architecture, governance + technical leadership. Integration Adoption & Project Onboarding - architecture engagement + onboarding of priority projects onto the strategic integration … platform (e.g. SDEC, S4H, DWIT). Production of project-specific integration designs aligned to approved iPaaS, API and Streaming patterns. Completion of architecture assurance reviews and design recommendations for onboarding projects. Support projects through technical discovery, design and implementation phases. Reusable Integration Asset Library: design ...

Boomi Architect

Hiring Organisation
Syntax Consultancy Limited
Location
Westminster, Greater London, UK
. Start ASAP during Summer 2026. Key skills, experience + tasks will include: Boomi Solution Architect with a strong focus on Boomi/iPaaS, API Management, Event Streaming, integration architecture, governance + technical leadership. Integration Adoption & Project Onboarding - architecture engagement + onboarding of priority projects onto the strategic integration … platform (e.g. SDEC, S4H, DWIT). Production of project-specific integration designs aligned to approved iPaaS, API and Streaming patterns. Completion of architecture assurance reviews and design recommendations for onboarding projects. Support projects through technical discovery, design and implementation phases. Reusable Integration Asset Library: design ...

Professional DevOps Engineer (f/m/d)

Hiring Organisation
EnBW Energie Baden-Württemberg AG
Location
Lisboa, Portugal
Employment Type
Permanent
Salary
EUR Annual
that enable our development teams to build high-quality software efficiently. You'll work closely with the Product Owner and cross-functional teams to design and operate modern development platforms-in the cloud and on-premises . A key part of your role will be supporting developers across diverse … technology stacks and ensure scalable and secure service integration. Design and implement development environments and tooling architectures for both on-premises and public cloud (Azure, AWS). Develop and maintain Infrastructure as Code (IaC) templates using Terraform, Bicep, and CloudFormation. Operate and optimize CI/CD pipelines using DevOps ...

Lead Software Engineer - GLCM Postings

Hiring Organisation
JP Morgan Chase
Location
Bournemouth, Dorset, United Kingdom
Salary
£ 100 K
ensuring alignment with business goals and industry best practicesLead and mentor a team of software engineers, providing guidance, support, and professional development opportunitiesDrive the design and implementation of high-performance backend services using Java and cloud-native technologiesChampion the development of highly resilient, share-nothing, multi-region architectures … tolerance, high availability, and disaster recoveryDrive the adoption and optimization of MongoDB (including change streams), Kubernetes, and other modern platformsSet and enforce standards for API design and development (REST/gRPC), including best practices for versioning, documentation, and error handling to ensure robust, secure, and scalable interfacesGuide ...

Principal Engineer - Technical Lead (Gen AI and MACH Architecture)

Hiring Organisation
Akqa
Location
London, United Kingdom
Salary
£ 70 K
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, architecture … 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 Technical Architect

Hiring Organisation
VML
Location
London, United Kingdom
Salary
£ 60 K
transact), we are seeking a Principal Technical Architect. Serving as the senior technical authority on our AWS and cloud engagements, you will own the design and quality of robust, scalable applications.In this outward-facing, energetic leadership role, you will architect enterprise-grade cloud applications with a strong focus … doingTechnical Leadership & Governance: Act as the account's senior authority on complex cloud architectures (esp. AWS serverless). Establish technical governance, design standards, and manage risk, non-functional requirements (NFRs), and technical debt.Agentic AI & Commerce Innovation: Design AWS-based agentic AI platforms (orchestration, RAG, memory, guardrails ...

Principal Engineer

Hiring Organisation
9fin
Location
London, United Kingdom
Salary
£ 80 K
them.Bring architectural coherence to decisions made within individual domainsIdentify technical risks and compounding complexity before they become incidentsSet standards for engineering quality — system design, observability, reliability, API design — that every team builds toBe the senior technical voice in cross-team planning, roadmap discussions, and major build vs. … intensive, fast-moving engineering org — and has the range to show for itCan credibly walk into a conversation about data pipeline architecture, RAG evaluation, API design, or system scalability — and add something useful in all of themOwns problems, not just opinions. You're not here to review ...

Senior Platform Engineer

Hiring Organisation
Willis Towers Watson
Location
Reigate, Surrey, United Kingdom
Salary
£ 70 K
Provide 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 with … control plane engineeringPractical 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-region ...

Application Architect

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 80 K
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 plays a key technical role within … this role contributes to their the architecture and technical direction on the Risk Content Curation and Distribution PlatformThis 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 ...

Application Architect

Hiring Organisation
London Stock Exchange Group
Location
Nottingham, Nottinghamshire, United Kingdom
Salary
£ 70 K
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 plays a key technical role within … this role contributes to their the architecture and technical direction on the Risk Content Curation and Distribution PlatformThis 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 ...

API Management Technical Lead

Hiring Organisation
Uniting People
Location
Glasgow, Lanarkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 425 Daily
API Management Technical Lead Location: Glasgow 5 days onsite Contract: 6 months Rate: Up to £425 per day Experience required: 6-8+ years We are looking for an experienced API Management Technical Lead to join a major Financial Services environment on an initial 6-month contract. This … hands-on engineering role for someone with strong experience in API Management, cloud-native technologies, DevOps and modern API Gateway platforms . Key Skills & Experience Required 6-8+ years of relevant software, platform or API engineering experience Strong hands-on experience with an API Management ...

Principal Software Engineer

Hiring Organisation
Epicor Software Corporation
Location
Bracknell, Berkshire, United Kingdom
Salary
£ 80 K
transforms innovative AI concepts into enterprise-grade products trusted by enterprise customers.This is a hands-on engineering role, not a management position. You will design and build, set the technical bar for production quality, and provide the architectural judgement needed to take AI-driven products from promising prototype … designing for the incident nobody planned. This matters to us more than any specific framework.Distributed-systems fluency: service boundaries, transactional thinking, multi-tenant design, API design and versioning.Strong architectural communication - able to explain, document, and defend design decisions across teams, and to review others' designs constructively.Pragmatism ...

Integration Lead

Hiring Organisation
StepChange Debt Charity
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Ready to shape the future of our integration capability and become the technical authority behind enterprise-wide connectivity? Want to lead the design and delivery of scalable, secure, cloud-first integrations that power real business impact? Excited by the challenge of modernising legacy systems while driving best-practice engineering … architecture evolution and collaborate across teams to enable seamless, future-ready connectivity. What will you be doing? As a technical authority in integration and API design, youll set the standards that shape how our systems connectdefining integration patterns, ensuring architectural consistency and driving secure, scalable solutions across ...

Software Development Engineer III

Hiring Organisation
Expedia
Location
London, United Kingdom
Salary
£ 80 K
play a pivotal role in shaping our technical domain to power all Expedia Group’s brands and product lines.In this role, you will:Design and implement scalable, robust, and maintainable systems and services across multiple domains, with a focus on reliability and performance.Develop complex application logic, APIs, and data … experience.5+ years of relevant professional experience.Strong software engineering fundamentals—data structures, and algorithms in Java or Kotlin, with familiarity across the JVM stack, system design, and distributed systems—and can understand highly complex systems, design moderately complex services, and guide integrations across teams within the business unit.Building ...

Senior Software Engineer, Embedded UI

Hiring Organisation
Roku
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 70 K
feature or project simply because that problem needs to be solved and shipped. But that individual must work together with different engineering teams, UI design, product teams, and business leadership to make things happen, which means that engineers succeed here because they can maintain that independent spirit and motivation … inventing the world of streaming media.What is the role As a Senior Software Engineer on the OS UI/SDK team, you will design, develop, and deliver engaging platform features — including screensavers, static and dynamic wallpapers, trivia, featured experiences, and AI-driven content initiatives — that reach millions of Roku ...