101 to 125 of 151 OpenAPI Jobs in the UK

core libraries (e.g., Apache Commons, Guava). Modern Microservices (Nice to Have): Familiarity with microservices architecture and related tooling (e.g., Docker, Kubernetes, Swagger/OpenAPI). Public Sector Context (Nice to Have): Prior experience delivering digital transformation or cloud projects within the UK public sector. SOME THINGS ...

quality-focused development Building software products that serve real customers at scale Technology You’ll Be Working With Python FastAPI Pydantic SQLAlchemy Alembic Docker OpenAPI Distributed Systems Monitoring & Observability Platforms Authentication & Authorisation Frameworks Bonus Points If You Have Experience With React and modern frontend technologies Healthcare, MedTech or regulated ...

interview: Backend & platform : Node.js/TypeScript, mainly NestJS, with Prisma and Kysely on the data side, exposed via GraphQL (Apollo) and REST documented with OpenAPI/Swagger. Frontend : React (18/19) in TypeScript, Vite, with Chakra UI, MUI and Radix UI depending on the project, Redux Toolkit ...

have Experience with LLM‐powered applications: RAG pipelines, tool‐calling architectures, or agentic systems. Experience designing external‐facing APIs, including versioning, backwards compatibility, and OpenAPI/REST standards. Familiarity with data infrastructure such as Airflow, Spark, Iceberg, or Kafka. Experience with energy markets. Modo Energy is an equal opportunity ...

partnering with backend and security teams to neutralize risks. API Collaboration: Partner with the Lead Backend Engineer on REST and GraphQL contract designs, utilizing OpenAPI specs to ensure frontend and backend architectures evolve in lockstep. Operational Excellence: Own features completely from design to production by embedding automated test suites ...

contributing to the delivery of scalable and reliable applications. Required Skills Java Spring Boot JUnit Desirable Skills JPA Kibana Maven Mockito AWS GitLab Helm OpenAPI SQL Shell Scripting Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have ...

troubleshooting and problem-solving skills. Ability to balance quality, risk and delivery timescales effectively. Desirable Experience with test automation tools and frameworks. Knowledge of OpenAPI specifications. Experience supporting automation strategies within Agile teams. What's in It for You? Salary of £40,000 - £45,000 Generous discretionary bonus scheme ...

business decisions Bachelor’s degree or equivalent experience Oversee how new product capabilities are exposed through the API surface. API design fluency. REST principles, OpenAPI/Swagger, pagination, auth patterns, error handling API observability including usage analytics, rate limiting, deprecation telemetry Benefits Competitive Salary. Company Laptop supplied. Bonus Scheme. ...

equivalents).Proficiency in networking protocols and procedures:Core Signalling Protocols: GTPv1/v2, NGAP, Diameter, PFCP, SBI (including HTTP/2, REST/JSON, OpenAPI)Traffic and Transport: IP (IPv4/IPv6), UDP, TCP, SCTP, GREQuality of Service and Policy: 5G QoS Flow, QFI, PCC (Policy and Charging Control ...

.**Proficiency in networking protocols and procedures:*** Core Signalling Protocols: GTPv1/v2, NGAP, Diameter, PFCP, SBI (including HTTP/2, REST/JSON, OpenAPI)* Traffic and Transport: IP (IPv4/IPv6), UDP, TCP, SCTP, GRE* Quality of Service and Policy: 5G QoS Flow, QFI, PCC (Policy and Charging ...

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. ...

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 ...

building applications using React.js and Next.js Backend development experience with Python, Golang or Java Experience building schema-driven UIs and services Strong understanding of OpenAPI Specification (OAS) and/or JSON Schema Professional experience configuring API gateways, including: Kong Envoy Akamai/CloudFront Strong hands-on GitOps experience Desirable ...

software engineering/solution architecture across the software delivery lifecycleExperience with software service design and integration, such as RESTful APIs, OpenAPI specification and sequence diagramsExperience of cloud infrastructure and large-scale cloud applicationsExperience working in a client-facing role and building relationships with stakeholdersStrong interpersonal communication and collaboration skills. ...

contributing to the delivery of scalable and reliable applications. Required Skills Java Spring Boot JUnit Desirable Skills JPA Kibana Maven Mockito AWS GitLab Helm OpenAPI S click apply for full job details ...

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 ...

This Role Solid proven experience with .NET and C#, particularly .NET6-10 Familiarity with API development, microservice patterns and practices, ideally including experience of OpenAPI standards Experience with both relational and non-relational databases such as Microsoft SQL Server, Azure Cosmos Knowledge of Microsoft Graph API and Microsoft ...

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 ...

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 ...

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 ...

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 ...

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 ...