12 of 12 OpenAPI Jobs in London

Senior Lead Engineer, Post Trade (Blockchain)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
.* Advanced knowledge of Java 17+ features and practical experience with Spring Boot.* Skilled in developing RESTful services, including REST design principles, Swagger/OpenAPI, and Spring REST MVC.* Proficient in building and delivering enterprise-grade Java applications.* Hands-on experience with data structures, algorithms, concurrency, and multi-threading.Database ...

Java Software Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
containerisation CI/CD pipelines (Jenkins or similar) Working in agile, multi-disciplinary teams Desirable experience Kafka Liquibase or similar migration tooling Swagger/OpenAPI Gradle React TypeScript Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have ...

API Backend Engineer (MCP)

Hiring Organisation
AMS Contingent
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
understanding of cloud networking concepts (VPCs, subnets, routing, load balancing, private connectivity). API standards and industry best practices, including: RESTful API design and OpenAPI specifications API security (OAuth 2.0, OpenID Connect, mTLS) Secure-by-design, zero-trust, resilience, and fault-tolerant patterns MCP, A2A, and AP2 protocols, including ...

Integration Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Kafka/Pulsar), messaging patternsBackend: Java, Spring Boot, microservices, REST/gRPCCloud: AWS (EKS/ECS, SQS/SNS, API Gateway, Terraform)API: OpenAPI/AsyncAPI, versioning, governanceFrontend: React/TypeScript (working knowledge)Domain Expertise (any of these)Real-Time Ledger (accounting, event sourcing)Payments (SWIFT, ISO 20022, settlement ...

Manager - Lead AI Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
knowledge-sharing initiatives Skills & Experience Required Significant senior backend development experience with strong Python proficiency (async programming, concurrency, multithreading) Expertise in RESTful API design, OpenAPI/Swagger documentation and API lifecycle best practices Hands-on experience with ML libraries: PyTorch, PySpark, scikit-learn, Hugging Face Transformers Proficiency ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
highest level of proficiency using most of the following: Frontend: TypeScript, Astro and/or Next.js, React, HTML, CSS Backend: Node.js, Go, RESTful APIs, OpenAPI Cloud: AWS, Lambda, DynamoDB, S3, CloudFront Infrastructure as Code: SST, Terraform, CDK, Pulumi or similar Testing: integration and end-to-end testing, component story ...

Solution Architect - Engine by Starling

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
software engineering/solution architecture across the software delivery lifecycle Experience with software service design and integration, such as RESTful APIs, OpenAPI specification and sequence diagrams Experience of cloud infrastructure and large-scale cloud applications Experience working in a client-facing role and building relationships with stakeholders Strong interpersonal ...

Product Catalogue CPQ Technical Lead

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

OSS/BSS Solution architect

Hiring Organisation
IBU CONSULTING LTD
Location
London, United Kingdom
Employment Type
Contract
operator environments - TMF standards: Product Ordering (TMF641), Service Ordering, Service Activation, Service Inventory (TMF638) API Development & Integration - Strong expertise in API lifecycle design using OpenAPI specifications (OAS) - can read and write API specs - Hands-on with TMF/ODA frameworks for product and service APIs - Expertise in integration patterns … OpenAPI , REST, gRPC , GraphQL ) - Strong background in pub/sub and event brokers (Kafka, RabbitMQ) including security (TLS/SASL), scaling and schema evolution - Knowledge of headers, correlation/tracking IDs, authentication/authorisation and versioning Product, Data & Application Foundations - Product and data modelling: can actually do BSS/ ...

SC Cleared Node.js Developer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £560 per day + Inside IR-35
based platforms. What you'll be doing: Translating business and user requirements into effective technical designs Building APIs and backend services using Node.js (REST, OpenAPI) Developing user-focused services, putting accessibility and usability first Writing clean, reusable, and maintainable code Working with shared/common government tech stacks (Node.js … including OWASP principles and vulnerability management Collaborating with stakeholders and communicating technical concepts clearly Tech stack includes: Node.js, HAPI (web framework) API development (REST, OpenAPI) PostgreSQL, MongoDB, Redis Jest and Lab for testing Git for source control Cloud platforms (AWS, Azure) Docker, Kubernetes, ECS CI/CD tools (Azure ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Software Engineer Department: Technology Employment Type: Permanent Location: Any UK Office Hub (Bristol/London/Manchester/Swansea) Compensation: £50,000 - £70,000/year Description Made Tech is on a mission to ...

Engineering Team Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
clarity to build foundational infrastructure. Define, publish, and version canonical domain models for Swap's core entities. Own the delivery of schemas and OpenAPI definitions. Establish and maintain a lightweight governance pipeline: review process, ownership model, versioning policy, and deprecation strategy. Translating software requirements into working, high-performance software. … decisions. 5+ years of backend or full‐stack engineering experience, with strong TypeScript/JavaScript and Node.js skills. Experience designing versioned APIs (REST/OpenAPI and/or GraphQL with schema governance). Experience working in platform or infrastructure engineering roles — comfortable with work whose primary customer is other ...