726 to 750 of 1,033 API Design Jobs in the UK

to scale rapidly. Who You Are 5+ years of experience in back-end development with Java and cloud environments (preferably GCP). Strong understanding of distributed systems and secure API design. Proficient in gRPC, Postgres, and CI/CD pipelines. Bonus Points For: Experience in fintech/payments. Knowledge of PCI-DSS compliance and security best practices. Why Join More ❯

production multiple times a day. We’re looking for someone with solid experience in Java (4/5 years plus) and the Spring ecosystem, who understands backend architecture and API design. You should be comfortable working in cloud environments and have a strong grasp of CI/CD principles. If you’re passionate about clean code, love working in More ❯

API Integration Technical Lead Bristol- Hybrid £85,000-£110k + bonus 10-15% About the business: Based in the heart of Bristol this FTSE 100 business work in a fast paced, agile environment. They value diversity, inclusion, and collaboration across all teams. Working in this exciting sector you'll be part of a team that is redefining the end … and experiences in their sector through investing in people and technology. The Role: As part of a multi-million pound digital transformation Programme the business is seeking an experienced API Integration Technical Lead as part of a newly created centralise Integration team. As the API Integration technical lead you will manage a team of API engineers in … designing, developing, and maintaining robust and scalable APIs, shaping the API architecture, and driving technical direction. API Integration Technical Lead Key Responsibilities: Lead and mentor API engineers. Define and enforce coding standards and best practices. Collaborate with cross-functional teams to define API requirements. Design scalable API architectures. Hands-on coding and implementation of More ❯

AR Engineer (Typescript API) page is loaded AR Engineer (Typescript API) Apply locations London, United Kingdom time type Full time posted on Posted 30+ Days Ago job requisition id R Snap Inc is a technology company. We believe the camera presents the greatest opportunity to improve the way people live and communicate. Snap contributes to human progress by … pushing the boundaries of what's possible in AR. You will: Create developer-facing APIs and tools that enable teams to build envelope-pushing experiences on Spectacles Assist with API design, development, and documentation Build automated release processes and infrastructure Knowledge, Skills & Abilities: Strong knowledge in Typescript Strong understanding of API design Experience writing technical documentation More ❯

role involves architecting and implementing enterprise-grade solutions using MuleSoft's Anypoint Platform , closely collaborating with architecture, development, and business stakeholders. Youll play a lead role in designing scalable API-led integrations and mentoring the development team to deliver production-ready, secure, and performant solutions. What You'll Be Doing Architect and implement integration solutions using MuleSoft Anypoint Platform … Lead and guide technical teams across design, development, and deployment phases Collaborate with functional and architecture teams to define reusable assets Ensure API design aligns with RAML standards , policies, and best practices Work across all API layers (system, process, and experience) as per API-led connectivity Provide hands-on guidance on error handling, deployment, debugging … containers for hybrid deployments Support Agile/DevOps lifecycle and CI/CD pipelines Ideal Candidate Profile 3+ years of experience with MuleSoft Anypoint Platform 8+ years in integration design and architecture Strong knowledge of API-led architecture , RAML, SLA policies Familiarity with core Mule connectors (batch, for-each, scatter-gather, etc.) Skilled in error handling, deployment pipelines More ❯

our growing team. In this role, you'll work on both the frontend and backend of our platform. Key Responsibilities: Develop and maintain our Next.js frontend application Build robust API endpoints using FastAPI Design and implement database schemas and queries Collaborate with the product team to implement new features Write clean, maintainable, and well-tested code Requirements: 3+ … years of experience with React and Next.js 2+ years of experience with Python and FastAPI Strong understanding of RESTful API design principles Experience with SQL and NoSQL databases Familiarity with CI/CD pipelines and deployment strategies Seniority level Mid-Senior level Employment type Full-time Job function Engineering and Information Technology Industries IT Services and IT Consulting More ❯

finance transformation programme. This is a high-impact position requiring strong expertise in Oracle Fusion Financials, specifically with experience migrating from Oracle EBS to Fusion. Key Responsibilities: Lead the design, development, and delivery of complex integrations using Oracle Integration Cloud (OIC) and other middleware technologies. Manage API integrations and data flows between Fusion and external systems. Work closely … as a Fusion Technical Lead on Oracle Finance transformation projects, including EBS to Fusion migrations. Strong expertise with Oracle Integration Cloud (OIC) and middleware integration frameworks. Experience working with API management and developing REST/SOAP integrations. Exposure to Azure middleware or similar cloud integration platforms connecting non-Oracle external systems is highly desirable. Solid understanding of FBDI, Oracle … collaborating with SIs and cross-functional teams in complex delivery environments. Skills & Qualifications: Oracle Fusion Financials and EBS knowledge Middleware expertise: OIC, SOA Suite, Azure Logic Apps or similar API design and management Strong communication and leadership skills Ability to work hands-on and mentor junior team members More ❯

finance transformation programme. This is a high-impact position requiring strong expertise in Oracle Fusion Financials, specifically with experience migrating from Oracle EBS to Fusion. Key Responsibilities: Lead the design, development, and delivery of complex integrations using Oracle Integration Cloud (OIC) and other middleware technologies. Manage API integrations and data flows between Fusion and external systems. Work closely … as a Fusion Technical Lead on Oracle Finance transformation projects, including EBS to Fusion migrations. Strong expertise with Oracle Integration Cloud (OIC) and middleware integration frameworks. Experience working with API management and developing REST/SOAP integrations. Exposure to Azure middleware or similar cloud integration platforms connecting non-Oracle external systems is highly desirable. Solid understanding of FBDI, Oracle … collaborating with SIs and cross-functional teams in complex delivery environments. Skills & Qualifications: Oracle Fusion Financials and EBS knowledge Middleware expertise: OIC, SOA Suite, Azure Logic Apps or similar API design and management Strong communication and leadership skills Ability to work hands-on and mentor junior team members More ❯

This is a critical opportunity to lead the implementation of a brand-new system and ensure its seamless integration across the business. You will be responsible for leading the design and implementation of Azure solutions, with a strong focus on API integration, Azure Integration Services, and Infrastructure as Code using Bicep. Proficiency in C#/.NET is essential … p/d. Hybrid role in London office. Key Responsibilities: Lead the implementation of Azure cloud platform Develop robust APIs using OpenAPI, JSON, and Azure Integration Services (Logic Apps, API Management, Service Bus) Write clean, maintainable code in C#/.NET for cloud applications and integrations Define and implement Infrastructure as Code using Bicep Collaborate with architects, DevOps, and … the engineering team Requirements: Extensive hands-on experience with Microsoft Azure, particularly Azure integration services Proven track record of leading Azure solution implementations in enterprise environments Strong expertise in API design and integration, including OpenAPI/Swagger, JSON, and RESTful services Solid experience with C#/.NET for backend development and integration Deep understanding of Infrastructure as Code More ❯

principles. Lead the liaison with business clients and wider business teams in helping to shape initial ideas into requirements that are sufficiently comprehensive to support effective system development. Support design and integration activity throughout the end-to-end software development lifecycle. Drive collaboration across the component design and build teams, ensuring that they understand and follow the defined … Expert in architecting solutions across disparate technologies to achieve the complex business objectives of multiple business areas. Broad experience of technologies: Java front-end and back-end, AWS cloud, API, DevOps pipelines. A proven track record of thriving in an unstructured, ambiguous environment; adept at varying own styles to influence the optimum outcome. Experience of directly managing a diverse … objections, and persuade others to adopt the most appropriate view. Preferred skills and experience Banking (retail) experience is preferred. Experience of working in a highly regulated environment. Exposure to API design strategies for both internal and external customer usage. Exposure to Cloud technologies. AWS Solution Architect certification (foundation level or higher). Experience of working with service management More ❯

Lead Software Engineer UK Remote £80,000 to £85,000 Hands-on Leadership in Scalable Systems w/API Design Are you a technical leader ready to guide a high-performing engineering team? Do you enjoy mentoring others while staying close to architecture and system design? We re recruiting for a Lead Software Engineer on … full product lifecycle while helping others grow. Lead a talented team delivering software that supports the installation, configuration and maintenance of distributed systems at scale Balance hands-on technical design with mentoring and team development Collaborate across product, cloud, QA and systems engineering to deliver robust solutions Create real value by helping internal teams and end users manage hardware … estates with ease Leading technical delivery within backend software projects TypeScript or Node.js development, or similar backend technologies Working with databases (SQL or NoSQL) and scalable system design Agile delivery and team collaboration Building for maintainability, performance and clear documentation Managing or supporting connected devices or remote systems Working with Linux-based systems Internal tooling, API design More ❯

This is a critical opportunity to lead the implementation of a brand-new system and ensure its seamless integration across the business. You will be responsible for leading the design and implementation of Azure solutions, with a strong focus on API integration, Azure Integration Services, and Infrastructure as Code using Bicep. Proficiency in C#/.NET is essential … p/d. Hybrid role in London office. Key Responsibilities: Lead the implementation of Azure cloud platform Develop robust APIs using OpenAPI, JSON, and Azure Integration Services (Logic Apps, API Management, Service Bus) Write clean, maintainable code in C#/.NET for cloud-native applications and integrations Define and implement Infrastructure as Code using Bicep Collaborate with architects, DevOps … the engineering team Requirements: Extensive hands-on experience with Microsoft Azure, particularly Azure integration services Proven track record of leading Azure solution implementations in enterprise environments Strong expertise in API design and integration, including OpenAPI/Swagger, JSON, and RESTful services Solid experience with C#/.NET for backend development and integration Deep understanding of Infrastructure as Code More ❯

As Senior Java Engineer (Fintech project) Job Description WHAT YOU’LL DO Design and implement core backend services for high-performance, complex distributed systems. Utilize modern development practices such as TDD/BDD. Own service design and APIs for internal and external integrations. Write clear, modern, well-tested code. Collaborate across teams in a product-driven environment. Conduct … engineers. Take ownership of key technical decisions, focusing on scalability and throughput optimization. Document work clearly for team use. WHAT WE EXPECT FROM YOU Deep understanding of backend architecture, API design, and scaling. Experience with gRPC or API-first design is a plus. Proficiency in Java and distributed systems, including handling concurrency, retries, and consistency. Strong More ❯

This is a critical opportunity to lead the implementation of a brand-new system and ensure its seamless integration across the business. You will be responsible for leading the design and implementation of Azure solutions, with a strong focus on API integration, Azure Integration Services, and Infrastructure as Code using Bicep. Proficiency in C#/.NET is essential … p/d. Hybrid role in London office. Key Responsibilities: Lead the implementation of Azure cloud platform Develop robust APIs using OpenAPI, JSON, and Azure Integration Services (Logic Apps, API Management, Service Bus). Write clean, maintainable code in C#/.NET for cloud-native applications and integrations. Define and implement Infrastructure as Code using Bicep. Collaborate with architects … the engineering team. Requirements: Extensive hands-on experience with Microsoft Azure, particularly Azure integration services Proven track record of leading Azure solution implementations in enterprise environments. Strong expertise in API design and integration, including OpenAPI/Swagger, JSON, and RESTful services. Solid experience with C#/.NET for backend development and integration. Deep understanding of Infrastructure as Code More ❯

and reports on threat telemetry which we are in a unique position to collect. You'll be at the forefront of cyber research and intelligence. What you'll do Design and build new user interfaces, as well as maintaining existing ones Maintain and improve the test infrastructure Maintain and improve the build systems Work closely with back-end developers … to steer API design What it's like As part of a small, focused, and talented team you'll get the support to deliver high quality, reliable work You'll be trusted to suggest and investigate then deliver new ideas You'll work from our brand-new offices in the heart of Cambridge, near to transport links Required … CSS, JS React Desirable Python/Django AWS Vue Webpack Sass TypeScript Experience with long-lived, large-scale front end projects Knowledge of web security issues and how to design to avoid them More ❯

and reports on threat telemetry which we are in a unique position to collect. You'll be at the forefront of cyber research and intelligence. What you'll do Design and build new user interfaces, as well as maintaining existing ones Maintain and improve the test infrastructure Maintain and improve the build systems Work closely with back-end developers … to steer API design What it's like As part of a small, focused, and talented team you'll get the support to deliver high quality, reliable work You'll be trusted to suggest and investigate then deliver new ideas You'll work from our brand-new offices in the heart of Cambridge, near to transport links Required … CSS, JS React Desirable Python/Django AWS Vue Webpack Sass TypeScript Experience with long-lived, large-scale front end projects Knowledge of web security issues and how to design to avoid them More ❯

Co-Founder & CTO Role You'll work side-by-side with the Founder & CEO to bring Tuttoaposto from concept to product-market fit and beyond. You'll lead the design and build of our MVP, data infrastructure, and API-first architecture, setting the foundation for how we acquire, underwrite, and serve customers in a way that's 10x … platform from day one Build and launch the MVP using lean, modern technologies (utilising low/no-code, AI-powered IDEs, external APIs, pre-built insurance tools where useful) Design, integrate, and manage data pipelines across property data, IoT, geospatial risk, customer behavior, and third-party APIs Build Tuttoaposto's own API layer , allowing seamless embedding into distribution … staff-level engineer in a startup or fast-scaling tech company Proven ability to ship MVPs fast , with a pragmatic approach to technical debt and iteration Deep understanding of API design and integration , including building API endpoints that can embed into third-party platforms Experience with data architecture and enrichment , particularly around consumer profiling, risk modelling, or More ❯

and technical solutions, working closely with the sales team to articulate the value of MuleSoft's platform and solutions to potential customers. Your deep understanding of the Anypoint Platform, API-led connectivity, Automation solutions and integration architecture will be critical to showcasing how our solutions can meet clients' strategic business objectives. Must have passion for MuleSoft technologies, go-getter … identify client needs and propose tailored MuleSoft solutions. Lead technical discussions, demos, and presentations to articulate the value of MuleSoft's platform. Conduct discovery/workshops with customers. Solution Design: Architect scalable, reliable, and high-performing integration solutions that meet client requirements using MuleSoft Anypoint Platform. Ensure that proposed solutions align with customer business objectives. Technical Expertise: Provide thought … leadership and subject matter expertise on API-led architecture, MuleSoft Automation portfolio, microservices, and digital transformation strategies. Guide customers on best practices for integrating MuleSoft into their existing enterprise architecture. Should have proven track of Integration Patterns, Microservices patterns, Data & AI best practices. Proposal Development: Assist in developing RFP/RFI responses and creating compelling technical proposals that demonstrate More ❯

financial services. We're looking for an experienced eFX Software Engineer to build secure, high-performance trading systems in a collaborative, inclusive, and agile environment. What you'll do: Design and develop low-latency, fault-tolerant trading architectures Lead complex software initiatives using modern Java patterns (low-GC, lock-free) Collaborate across teams to deliver robust trading platforms and … optimisation, and CPU/memory management In-depth knowledge of networking protocols (TCP, UDP, Multicast, FIX) Experience in electronic/algorithmic trading and FX products Background in automated testing, API design, and DevOps workflows Ability to translate business needs into scalable technical solutions Flexible working options available. This is your chance to work on impactful projects and shape More ❯

of the new and cutting edge Tether AI SDK. Developer-Facing SDKs & APIs Tether is committed to delivering world-class developer experiences through robust and intuitive SDKs. You will design, build, and maintain modular, versioned SDKs that abstract complex backend logic into clean, usable interfaces — enabling seamless integration with Tether’s platform across various client environments. Performance & Reliability at … Scale SDKs must be fast, lightweight, and reliable — even when performing heavy and demanding operations. You’ll design resilient logic (retry policies, offline handling, batching) and contribute to the scalability of platform-facing interfaces and services powering the SDKs. Security-First Engineering You’ll embed best-in-class security practices directly into the SDK architecture, including secure communication, encrypted … working with the Tether ecosystem. +6 years of experience working with Nodejs/JavaScript in production environments. Proven track record in designing and maintaining developer-facing SDKs (npm packages, API clients, or instrumentation libraries) Strong understanding of modular architecture, versioning strategies, and semantic API design Have actively participated in the development of a complex platform Ability to More ❯

across our enterprise platforms. Key skills: 6+ years of experience in Mulesoft. MuleSoft Certified Developer and/or Architect certifications highly preferred. Deep understanding of REST, SOAP, RAML, and API design principles. Experience with enterprise integration patterns (EIP), message queues (JMS, Kafka), and data transformation. Strong knowledge of CI/CD tools (e.g., Jenkins, Git, Maven) and DevOps … communication skills (oral & written) Rights to work in the UK is must (No Sponsorship available) Responsibilities: Lead the end-to-end MuleSoft integration lifecycle from requirements gathering to deployment. Design and implement APIs and integrations using the MuleSoft Anypoint Platform. Guide and mentor a team of developers; conduct code reviews and ensure adherence to best practices. Collaborate with architects More ❯

goals. Prioritize features and improvements based on customer needs, competitor landscape, business value, technical feasibility Technical Leadership Collaborate closely with data engineering, architecture, data science and activation teams to design scalable and robust platform with market leading features Evaluate and guide technical decisions including API design, data models, data science features, UX/UI design and More ❯

goals. Prioritize features and improvements based on customer needs, competitor landscape, business value, technical feasibility Technical Leadership Collaborate closely with data engineering, architecture, data science and activation teams to design scalable and robust platform with market leading features Evaluate and guide technical decisions including API design, data models, data science features, UX/UI design and More ❯

goals. Prioritize features and improvements based on customer needs, competitor landscape, business value, technical feasibility Technical Leadership Collaborate closely with data engineering, architecture, data science and activation teams to design scalable and robust platform with market leading features Evaluate and guide technical decisions including API design, data models, data science features, UX/UI design and More ❯

goals. Prioritize features and improvements based on customer needs, competitor landscape, business value, technical feasibility Technical Leadership Collaborate closely with data engineering, architecture, data science and activation teams to design scalable and robust platform with market leading features Evaluate and guide technical decisions including API design, data models, data science features, UX/UI design and More ❯