101 to 125 of 129 OpenAPI Jobs in England

TanStack Query at depth: query-key design, cache invalidation, stale policies and prefetch through route loaders. Third-party integration. Identity verification, document upload and OpenAPI-generated API clients. Roles and permissions. Enforced in the interface as well as the API. Testing as a habit. Vitest, React Testing Library ...

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 ...

with global teams.Exceptional English and Chinese communication skills are highly valued.Preferred qualifications:Experience with global card networks (Visa, Mastercard, Amex) and banking partners.Familiarity with OpenAPI/Swagger, Postman, GitHub, or API client tooling.Hands-on experience as a developer is a plus.Knowledge of regulatory compliance, KYC/AML, and card ...

Exceptional English and Chinese communication skills are highly valued. Preferred qualifications: Experience with global card networks (Visa, Mastercard, Amex) and banking partners. Familiarity with OpenAPI/Swagger, Postman, GitHub, or API client tooling. Hands-on experience as a developer is a plus. Knowledge of regulatory compliance, KYC/ ...

Focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. Implement authentication and authorization using OAuth2/OIDC, session management, and fine-grained … experience, with a strong focus on backend development in Python and with event-driven architectures. Proven experience designing and operating production REST APIs with OpenAPI/Swagger. Deep understanding of relational database design, indexing, performance tuning, and migrations (PostgreSQL). Proficiency with containerisation (Docker) and Git-based workflows. Experience ...

Back End languages Python, Golang, or Java. Schema-driven experiences: Experience building dynamic, schema-driven UIs and services from structured contracts such as the OpenAPI Specification (OAS) or JSON Schema. API gateway configuration: Professional experience configuring API gateways - Kong, Envoy, Akamai/CloudFront including routes, services, upstreams, and plugins. ...

coordinating with agile teams and stakeholders. The role requires hands-on experience with webMethods products (Integration Server, API Gateway, Universal Messaging, Designer, Swagger/OpenAPI) and collaboration tools like #J-18808-Ljbffr ...

engineer for a 5-day onsite contract. Rate 400 GBP/day inside IR-35. You will build schema-driven UIs and services from OpenAPI/JSON Schema, configure API gateways (Kong, Envoy, CloudFront), work in a GitOps delivery model, and use CLI/tooling for gateway onboarding. Experience ...

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 ...

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 ...

migration management (Flyway/Liquibase), indexing strategy, and query optimisation.Design, document, and maintain RESTful and/or GraphQL APIs, ensuring consistency, versioning, and thorough OpenAPI/Swagger documentation.Identify, catalogue, and systematically address technical debt in collaboration with the widerYour background and experience will includeGreat communication skills, able to contribute … RESTful API design.PostgreSQL skills: schema design, complex query writing, index optimisation, and migration tooling (Flyway or Liquibase).Experience designing and documenting APIs using OpenAPI/SwaggerProficiency with build tools – Maven or Gradle – and a modern Java development workflow.Understanding of software design principles (SOLID, DRY, Clean Architecture)Familiarity with containerised ...

management (Flyway/Liquibase), indexing strategy, and query optimisation. Design, document, and maintain RESTful and/or GraphQL APIs, ensuring consistency, versioning, and thorough OpenAPI/Swagger documentation. Identify, catalogue, and systematically address technical debt in collaboration with the widerYour background and experience will includeGreat communication skills, able … RESTful API design. PostgreSQL skills: schema design, complex query writing, index optimisation, and migration tooling (Flyway or Liquibase).Experience designing and documenting APIs using OpenAPI/SwaggerProficiency with build tools – Maven or Gradle – and a modern Java development workflow. Understanding of software design principles (SOLID, DRY, Clean Architecture)Familiarity ...

Position: Senior .Net Engineer (Backend) Position Type: Full-time, £45-£60k Location: Hybrid, based out of our Manchester office. Reports To: VP Data Services General Description: PCA Global Ventures, LLC, the global leader in specialized ...

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 ...

persist-client, stale-while-revalidate cache design, and offline-first hydration patterns Comfortable working within a codegen API layer (Orval or equivalent) — understanding the OpenAPI contract, extending generated hooks without breaking the pipeline, and knowing when to step outside it Solid understanding of layered storage architecture — in-memory state ...

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 ...

national and institutional customers, tasks will include:Design, develop and maintain Java micro-services within an agile delivery environment.Develop and evolve RESTful APIs using OpenAPI and JSON.Implement automated tests at different levels to support robust and maintainable software delivery.Contribute to the integration of software components such as databases, workflow … working on agile projectsProficient in Java.Knowledge of automated testingStrong experience in development and automated testing of Java micro-services.Recent experience developing RESTful APIs using OpenAPI and JSON.Excellent teamworking and communication skills.Pragmatic, adaptable and delivery-focused profile, able to respond to changing requirements and priorities.This role requires a UK national ...

national and institutional customers, tasks will include:Design, develop and maintain Java micro-services within an agile delivery environment.Develop and evolve RESTful APIs using OpenAPI and JSON.Implement automated tests at different levels to support robust and maintainable software delivery.Contribute to the integration of software components such as databases, workflow … working on agile projectsProficient in Java.Knowledge of automated testingStrong experience in development and automated testing of Java micro-services.Recent experience developing RESTful APIs using OpenAPI and JSON.Excellent teamworking and communication skills.Pragmatic, adaptable and delivery-focused profile, able to respond to changing requirements and priorities.This role requires a UK national ...

institutional customers, tasks will include: Design, develop and maintain Java micro-services within an agile delivery environment. Develop and evolve RESTful APIs using OpenAPI and JSON.Implement automated tests at different levels to support robust and maintainable software delivery. Contribute to the integration of software components such as databases, workflow … agile projectsProficient in Java. Knowledge of automated testingStrong experience in development and automated testing of Java micro-services. Recent experience developing RESTful APIs using OpenAPI and JSON.Excellent teamworking and communication skills. Pragmatic, adaptable and delivery-focused profile, able to respond to changing requirements and priorities. This role requires ...

institutional customers, tasks will include: Design, develop and maintain Java micro-services within an agile delivery environment. Develop and evolve RESTful APIs using OpenAPI and JSON.Implement automated tests at different levels to support robust and maintainable software delivery. Contribute to the integration of software components such as databases, workflow … agile projectsProficient in Java. Knowledge of automated testingStrong experience in development and automated testing of Java micro-services. Recent experience developing RESTful APIs using OpenAPI and JSON.Excellent teamworking and communication skills. Pragmatic, adaptable and delivery-focused profile, able to respond to changing requirements and priorities. This role requires ...

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 ...

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 ...

microservices, ensuring high availability, speed, and scalability. Technical & AI Execution: Work with engineers and data teams to design data models, APIs (REST/OpenAPI), recommendation engines, and AI workflows. Data Governance: Build clear data policies and frameworks across multi-market products. Agile Delivery: Write clear user stories (BDD/… Requirements Experience: 8+ years as a Technical PM managing high-scale APIs, platforms, or data products. Technical Skills: Deep understanding of API design (OpenAPI/Swagger/Postman), system design, and database tools (SQL/Python basics). AI & Cloud: Exposure to cloud infrastructure (GCP/Azure/ ...