101 to 125 of 127 OpenAPI Jobs in the UK

Role Overview We are seeking an experienced Full Stack Developer with strong expertise in Node.js , Next.js , Angular , and cloud-native microservices . The ideal candidate will have a proven track record in designing, developing, and ...

from data model and API design through to frontend implementation. Design and build robust, scalable APIs in TypeScript and Node.js, published in OpenAPI format. Architect resilient distributed systems and third‐party integrations, with sound error handling, failure mode mitigation and transaction control. Work with FHIR R4 resources and clinical ...

Hands-on experience designing schemas for relational databases, messaging, data lakes/lakehouses (Databricks, Snowflake, or equivalent), and API/message formats (JSON Schema, OpenAPI, Avro, Protobuf). Strong understanding of metadata and lineage management. 5+ years of experience, or demonstrated delivery against requirements in data modelling, data architecture ...

Product & Solution Design Additional required experiences: Understanding of REST APIs, microservices architecture and cloud-based environments Knowledge of TM Forum frameworks (eTOM, SID, OpenAPI) is a plus Knowledge of Telecom and satellite systems Tools based scaled Agile delivery and DevOps – using in-house technical delivery, systems integrators and product ...

with LLM tooling such as LangChain, Claude or the OpenAI APIs. Python or similar for data integration and API work. REST APIs, JSON, OpenAPI specifications, Snowflake or other cloud data warehouses. CRM platforms such as Veeva, Salesforce or HubSpot. What success looks like after twelve months ...

screen, technical phone screen, and a paid on-site work trial. Target turnaround is under two weeks from first conversation. TypeScript, Node.js, React, Tailwind, OpenAPI, Express, Azure (Container Apps, Service Bus, Front Door, Entra ID), Postgres, Terraform, GitHub Actions, Docker. Anthropic-first AI with in-house evals and scaffolding. ...

actually behaves. Experience with ERP or supply-chain systems, Salesforce, Microsoft 365, Google Workspace, Slack, data warehouses, object stores, message brokers, Airbyte, Meltano, Singer, OpenAPI, MCP or similar integration ecosystems is useful. So is experience with schema registries, change-data capture, data lineage, temporal data, knowledge graphs ...

Deep experience with TanStack Query, including query-key design, cache invalidation, stale policies, and route-loader prefetching Experience integrating identity verification, document upload, and OpenAPI-generated API clients Experience implementing roles and permissions in both the interface and API Habit of testing with Vitest, React Testing Library ...

used by major third parties. The platform is currently evolving towards a modern TypeScript architecture , with new endpoints and functionality being developed using TypeScript, OpenAPI standards and cloud-native technologies. You'll join an engineering team of around 8 developers , working closely with a Delivery Lead and wider technical … party systems and internal platforms. Developing APIs that allow third parties to access product and customer information, retrieve pricing and place orders. Working with OpenAPI/Swagger to design clear, consistent and maintainable APIs. Developing within a containerised, cloud-based environment , with services deployed into clusters. Working with ...

Experience in designing and implementing model/metric endpoints as part of a platform ecosystem with clear contracts and SLOs (e.g., FastAPI/Flask, OpenAPI), deploying via AWS Lambda/API Gateway or containers How we work Hybrid with in‐person collaboration at our Vauxhall HQ and flexibility ...

Strong knowledge of VisionPLUS modules and vendor roadmaps Familiarity with CICS tuning, DB2 optimisation, and batch/online workload balancing Knowledge of Swagger/OpenAPI standards and API governance Experience operating within ITIL‐aligned incident, problem, and change management frameworks Track record of supporting strategic, high‐revenue clients with ...

authentication; able to read technical documentation and hold your own in design discussions with engineers. Hands-on experience with API tooling (Postman, Swagger/OpenAPI) and using Claude to accelerate your prototyping, design, and vibe-coded concepts, before engineers make them production-grade. A track record of shipping ...

party systems and internal platforms. Developing APIs that allow third parties to access product and customer information, retrieve pricing and place orders. Working with OpenAPI standards to design clear, consistent and maintainable APIs. Developing within a containerised, cloud-based environment , with services deployed into clusters. Working with … particularly interested in engineers who: Have professional experience building APIs and integrations . Understand good API design principles and modern REST/OpenAPI standards. Have experience working with cloud-based, containerised applications. Are comfortable working within an existing architecture while also helping shape what's next. Can break down ...

software applications using .NET (C#), Angular, TypeScript/JavaScript, and CSS Work with SQL Server databases and develop API-first solutions using REST and OpenAPI/Swagger Contribute to cloud-based solutions in Azure, utilizing resources such as App Services, Functions, Event Grid, Logic Apps, and Cosmos DB Implement … Proficiency in T-SQL Solid understanding of CSS and web development principles Experience with SQL Server and database design Familiarity with API-first development, OpenAPI/Swagger, and REST principles Experience working in a cloud-first environment, particularly with Azure services Knowledge of Azure DevOps and DevOps principles Proficiency ...

We are recruiting for a Software Engineer Consultant on behalf of one of the UK's fastest-growing technology consultancies, ranked in the Financial Times FT1000 Europe's Fastest-Growing Companies list in both 2025 ...

Senior Software Engineer Department: Technology Employment Type: Permanent Location: Swansea, UK Compensation: £50,000 - £70,000/year Description Made Tech is on a mission to use technology to improve society - for everyone. We help ...

Made Tech is on a mission to use technology to improve society - for everyone. We help public sector organisations transform, deliver and manage world-class digital products and cloud services. We work with the UK ...

driven architecture (EDA), and microservices architecture. Familiarity withJava (Spring), Kubernetes, AWS, and service mesh architectures and technologies such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2. Familiarity and working experience with relational databases (e.g.MySQL, PostgreSQL) and non-relational databases (e.g., MongoDB, Cassandra). 6+ years in customer-facing … driven architecture (EDA), and microservices architecture. Familiarity withJava (Spring), Kubernetes, AWS, and service mesh architectures and technologies such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2. Familiarity and working experience with relational databases (e.g.MySQL, PostgreSQL) and non-relational databases (e.g., MongoDB, Cassandra). 6+ years in customer-facing ...

WebMethods Developer Pay Rate: Up to £690 per day umbrella only Clearance Required: Active MOD SC Duration: 6 months Location: Hybrid - 1 day per week in the office in either Bristol or London Job Description ...

Role APIGEE Consultant Technology APIGEE, Java, Location London, UK Job Description Today, the corporate landscape is dynamic and the world ahead is full of possibilities! None of the amazing things we do at Infosys would ...

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of ...

design and evolve a cloud-native API platform used by customer-facing apps and third parties. The role focuses on TypeScript, REST APIs and OpenAPI, with AWS, Docker and CI/CD in a containerised environment. You'll join a small, shipping-focused team delivering secure, scalable endpoints ...

practices for SAP integration delivery. What You'll Be Working On You'll help shape and deliver improvements across areas such as: SAP API & OpenAPI Enablement - accelerating API specification generation, validation, and governance. Documentation Automation - using AI and tooling to simplify and improve the creation of SAP technical … ability to demonstrate measurable business value. Desirable Skills & Experience Experience with SAP PI/PO, SAP Integration Suite, or similar integration platforms. Knowledge of OpenAPI specifications and contract-first API development. Experience with automated API testing and quality assurance tooling. Exposure to AI-assisted software development and engineering productivity ...

decisions and contributing from day one, while also being a collaborative member of a wider delivery team. Key Responsibilities Integrate frontend functionality with an OpenAPI-driven Node.js backend Lead the refactor of an existing frontend application using Next.js App Router Implement and optimise Server Components and Server Actions Develop … technical decision-making Technology Environment Youll be working across a modern technology stack including: Node.js Next.js App Router, Server Components and Server Actions React OpenAPI-driven backend services Playwright Client-side and server-side caching PostgreSQL Prisma ORM Docker Azure DevOps Azure CI/CD pipelines Youll ideally have ...

data, confirming correct processing of orders, pricing, inventory, and customer informationPerform data reconciliation to ensure consistency across integrated systemsEnsure API documentation (e.g., Swagger/OpenAPI) is accurate, clear, and useful for integratorsEssential RequirementsProven experience owning or managing API products or technical integrations in a commercial environmentStrong technical understanding … skills across commercial, technical, and customer-facing contextsCommercial awareness - you understand how APIs drive business value and adoptionFamiliarity with API documentation tools (Swagger/OpenAPI) and API testing tools (Postman, etc.)Highly Desirable QualitiesExperience with e-commerce platforms, order management systems, or catalogue APIsExperience supporting third-party integrations ...