1 to 25 of 443 API Design Jobs

Solution Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 strategic we're 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, and reuse high-quality APIs safely ...

Staff Software Engineer (API Development)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
call responsibilities and requires a strong commitment to modern engineering practices, including AI‐augmented development. We are looking for engineers who take full ownership — design, build, test, deploy, and operate — rather than handing work off between silos. In this role, you will focus on standardizing API development through … tooling and automation, improving consistency, usability, and integration velocity across services. You will leverage AI‐powered tools to accelerate API design, validation, and standardization — improving developer workflows and reducing inconsistency at scale. Responsibilities Standardize API development through tooling and automation so the right approach is the default ...

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. ...

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

Hiring Organisation
Jobleads-UK
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 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 ...

Domain Architect - Integration

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
modernisation approaches that support business agility, resilience, cost control and long-term maintainability. Platform and Technology Direction Provide architecture leadership for enterprise integration platforms, API management, messaging and eventing capabilities. Ensure platforms are scalable, secure, resilient, observable and fit for current and future needs. Support platform roadmap planning, lifecycle … programmes on integration options, service boundaries, non-functional requirements, dependencies and risks. Support solution options, high-level designs, architecture decision records and key design decisions where integration complexity or reuse potential is significant. Architecture Governance: Provide integration architecture authority into architecture review and Design Authority activity. Ensure material ...

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 ...

Integration Engineering Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Staff React Full Stack Engineer

Hiring Organisation
Jobleads-UK
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 ...

Enterprise Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 and manual processes, and to enable digital product delivery and innovation at scale. WHAT WILL YOU BE DOING? Architecture Leadership & Design Define, 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 ...

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 ...

Enterprise Architect

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
core integration and technology platform, shaping and governing the foundational layer that connects systems, data, and services across the enterprise. Responsibilities Architecture Leadership & Design Define, own, and communicate the enterprise architecture of the Digital Backbone. Architect and lead the design, development, and deployment of APIs and integrations, ensuring … alignment with standards and strategic goals. Drive adoption of API‐first design principles and the APIOps methodology, including automation of API deployment and governance. Develop, maintain, and communicate key architecture artefacts such as policies, standards, principles, patterns, templates, and capability models. Manage Group Enterprise Architecture assets – application ...

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 ...

Senior Software Engineer Engineering · London · On-site

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Terra — from upstream data suppliers (wearables, health apps, sensors) into our unified schema, and out to downstream developers and AI consumers via our REST API, Streaming API, and webhooks. This is not a maintenance role. You will build new data connectors, scale real-time streaming pipelines, harden … authentication layer, and design the systems that handle millions of API calls per day. You will work across the entire stack — from low-level data ingestion to developer-facing API surfaces. You will ship fast, iterate through feedback loops, and think in first principles. ...

Staff Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
customer demos, trials, and onboarding for both retailer and brand partners. Full stack delivery end-to-end. Own substantial features from product conversation through design, implementation, and iteration in production. Most of the weight sits in the backend, but you go as far up the stack as the feature … Work in a cross-functional team alongside our Head of B2B Product, prototyping and validating ideas quickly, then shipping the ones that hold up. API design and evolution. Design and evolve the APIs your product surface depends on, making the trade-offs between clean interfaces, performance ...

Staff Software Engineer

Hiring Organisation
BP Energy
Location
South West London, London, United Kingdom
well as achieving our carbon net-zero goals. As an engineer on this project, you will collaborate with Product Managers and partners to design, develop and maintain enterprise scale software systems and tools. As part of a global team working on a global product, you will lead … systems. Passionate about mentoring and coaching engineers across both technical and soft skills. Product-centric mentality with the ability to understand business needs and design scalable, resilient systems and solutions. Strong empathy and curiosity to create exceptional user experiences. Self-starter with excellent communication skills, adept at handling ambiguity ...

Lead Software Engineer - GLCM Postings

Hiring Organisation
Jobleads-UK
Location
Bournemouth, England, United Kingdom
with business goals and industry best practices Lead and mentor a team of software engineers, providing guidance, support, and professional development opportunities Drive the design and implementation of high-performance backend services using Java and cloud-native technologies Champion the development of highly resilient, share-nothing, multi-region architectures … availability, and disaster recovery Drive the adoption and optimization of MongoDB (including change streams), Kubernetes, and other modern platforms Set 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 interfaces Guide ...

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 ...

Senior Technical Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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. Key Responsibilities Architect Agentic Solutions: Design enterprise cloud applications, specializing in agentic AI platform components (orchestration, memory … doing Technical 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 ...

Senior Technical Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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. Key Responsibilities Architect Agentic Solutions: Design enterprise cloud applications, specializing in agentic AI platform components (orchestration, memory … doing Technical 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 ...

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 ...