London, South East, England, United Kingdom Hybrid / WFH Options
Sanderson
legacy systems and migrating to cloud-native platforms Solid grasp of AWS (API Gateway, Lambda, S3, VPC) Familiarity with Java, DB2, relational databases, and network concepts Desirable experience includes: OpenAPI schemas, Kubernetes, Spring Boot, JBOSS/EJB, Postgres, Python Prior work within UK government departments Ability to mentor and lead technical teams This is a key role in a More ❯
Experience with monitoring and observability tools like Azure Monitor, Application Insights, and Log Analytics. Awareness of data security, GDPR, and compliance in educational or public sector environments. Exposure to OpenAPI/Swagger, API lifecycle management, and version control best practices. Previous experience working with third-party suppliers in multi-vendor delivery environments. 12-month contract-to start ASAP- Hybrid More ❯
City of London, London, United Kingdom Hybrid / WFH Options
KPMG UK
Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good More ❯
Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good More ❯
london, south east england, united kingdom Hybrid / WFH Options
KPMG UK
Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good More ❯
slough, south east england, united kingdom Hybrid / WFH Options
KPMG UK
Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
KPMG UK
Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Interquest
distributed systems and cloud platforms. Strong hands-on knowledge of Azure integration services (Logic Apps, Azure Functions, Service Bus, API Management). Experience with REST API testing, Swagger/OpenAPI validation, and API test automation. Solid background in non-functional testing, including performance, security, and resilience testing. Capability in DevOps testing, with the ability to embed test automation into More ❯
systems and cloud platforms. Hands-on knowledge of Azure integration services such as Logic Apps, Azure Functions, Service Bus, and API Management. Experience with REST API testing, Swagger/OpenAPI validation, and API test automation. Background in non-functional testing, including performance, security, and resilience testing. Ability to embed test automation into CI/CD pipelines using Azure DevOps More ❯
Maidenhead, Berkshire, South East, United Kingdom Hybrid / WFH Options
Oscar Associates (UK) Limited
and written) as this role is working with colleagues and clients to understand requirements, explain solutions and document clearly. Desired: Experience integrating with financial or ERP systems Swagger/OpenAPI documentation for Open APIs Familiarity with Azure services and automation tools like Power Automate or Zapier Exposure to IoT or Telematics platforms Awareness of ISO 27001, SOC 2, or More ❯
through technical guidance and troubleshooting, working closely with engineering and client success teams. Must Have Experience in software engineering and solution architecture throughout the delivery lifecycle Experience with APIs, OpenAPI, and sequence diagrams Client-facing experience and stakeholder relationship skills Strong communication skills for technical and non-technical audiences Nice to Have Experience in banking, payments, or related fields More ❯
and identify optimisation opportunities. Influence and guide product owners in Agile story writing and backlog refinement. A successful Technical Product Owner will have: Proven API product management experience (REST, OpenAPI, authentication methods). Strong backlog management and Agile delivery expertise (Scrum/Scaled Agile/SAFe). Excellent stakeholder management and communication skills. Experience in enterprise-scale organisations (not More ❯
Knutsford, Cheshire, North West, United Kingdom Hybrid / WFH Options
Anson Mccade
a Technical Product Owner, ideally within Open Banking or financial services. Strong understanding of API product strategy, backlog management, and developer experience (DX). Hands-on knowledge of REST, OpenAPI specs, and authentication methods. Skilled in stakeholder communication, translating technical concepts into business outcomes. Experience with agile methodologies, ideally SAFe or Lean Portfolio Management. If this Technical Product Owner More ❯
and lifecycle management, including writing and prioritising user stories • Focused on Developer Experience (DX), ensuring clear documentation, onboarding, and versioning for API consumers • Knowledge of API technologies including REST, OpenAPI specs, and authentication methods • Excellent stakeholder management and communication skills, with the ability to translate technical solutions into business value • Familiarity with scaled agile frameworks such as SAFe, Lean More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Anson McCade
and lifecycle management, including writing and prioritising user stories • Focused on Developer Experience (DX), ensuring clear documentation, onboarding, and versioning for API consumers • Knowledge of API technologies including REST, OpenAPI specs, and authentication methods • Excellent stakeholder management and communication skills, with the ability to translate technical solutions into business value • Familiarity with scaled agile frameworks such as SAFe, Lean More ❯
london, south east england, united kingdom Hybrid / WFH Options
Anson McCade
and lifecycle management, including writing and prioritising user stories • Focused on Developer Experience (DX), ensuring clear documentation, onboarding, and versioning for API consumers • Knowledge of API technologies including REST, OpenAPI specs, and authentication methods • Excellent stakeholder management and communication skills, with the ability to translate technical solutions into business value • Familiarity with scaled agile frameworks such as SAFe, Lean More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Anson McCade
and lifecycle management, including writing and prioritising user stories • Focused on Developer Experience (DX), ensuring clear documentation, onboarding, and versioning for API consumers • Knowledge of API technologies including REST, OpenAPI specs, and authentication methods • Excellent stakeholder management and communication skills, with the ability to translate technical solutions into business value • Familiarity with scaled agile frameworks such as SAFe, Lean More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Anson McCade
and lifecycle management, including writing and prioritising user stories • Focused on Developer Experience (DX), ensuring clear documentation, onboarding, and versioning for API consumers • Knowledge of API technologies including REST, OpenAPI specs, and authentication methods • Excellent stakeholder management and communication skills, with the ability to translate technical solutions into business value • Familiarity with scaled agile frameworks such as SAFe, Lean More ❯
Oxford, Oxfordshire, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions Ltd
Lead Java Developer | Oxford - £120kJava, Springboot, Rest APIs, Microservices, TDD, DevOps, CI/CDA global leader in scientific publishing and data is hiring a Lead Java Engineer to lead the design and implementation of cloud-native & event-driven systems.With nearly More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Harrington Boyd
adapters such as JDBC, SAP, MQ, and Flat File for integration with external systems and databases. Create and consume RESTful and SOAP-based web services, including WSDL, Swagger/OpenAPI specifications, and API Gateway configurations. Develop error handling and logging frameworks to support robust system operations. Skills and Experience Proficiency with the webMethods Integration Suite, covering both webMethods.io and … expertise with webMethods adapters (JDBC, SAP, MQ, Flat File). Skilled in API Management and Web Services, with experience creating and consuming REST and SOAP services, WSDL, Swagger/OpenAPI, and API Gateway. Security Clearance This role requires Security Check (SC) clearance. Applicants must have resided continuously in the UK for the last 5 years and meet all eligibility More ❯
such as JDBC, SAP, MQ, and Flat File to enable integration with external systems and databases. Create and consume RESTful and SOAP-based web services, including WSDL, Swagger/OpenAPI specifications, and API Gateway configurations. Develop error handling and logging frameworks to support robust system operations. Skills and Experience Strong knowledge of the webMethods Integration Suite, both cloud and … and custom Java Services. Practical experience with adapters such as JDBC, SAP, MQ, and Flat File. Skilled in API management and web services, including REST, SOAP, WSDL, Swagger/OpenAPI, and API Gateway. Security Clearance This role requires Security Check (SC) clearance. To be eligible, applicants must have resided continuously in the UK for the last 5 years, without More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Harrington Boyd
such as JDBC, SAP, MQ, and Flat File to enable integration with external systems and databases. Create and consume RESTful and SOAP-based web services, including WSDL, Swagger/OpenAPI specifications, and API Gateway configurations. Develop error handling and logging frameworks to support robust system operations. Skills and Experience Strong knowledge of the webMethods Integration Suite, both cloud and … and custom Java Services. Practical experience with adapters such as JDBC, SAP, MQ, and Flat File. Skilled in API management and web services, including REST, SOAP, WSDL, Swagger/OpenAPI, and API Gateway. Security Clearance This role requires Security Check (SC) clearance. To be eligible, applicants must have resided continuously in the UK for the last 5 years, without More ❯
at Performativ, you'll lead the design and implementation of robust, high-throughput APIs and backend systems. Everything we build is grounded in open web standards -HTTP, JSON, webhooks, OpenAPI -and built for scale, reliability, and clear interoperability. You'll work on the core systems that power mission-critical financial infrastructure for institutions across Europe. What you'll do … Design and implement modern, standards-based APIs using REST and OpenAPI specifications Build scalable backend systems that handle millions of HTTP/JSON transactions daily with low latency Develop and maintain secure, event-driven integrations via webhooks and callback mechanisms Lead the backend design of new products and services, ensuring interoperability and long-term maintainability Optimize for resilience, observability … re looking for 10+ years of backend engineering experience, with a strong focus on API development and integration Deep understanding of open web standards including HTTP, JSON, webhooks, and OpenAPI Track record of building reliable, low-latency systems at scale handling millions of daily API calls Experience with backend languages like Go, TypeScript (Node.js), Python, or PHP in production More ❯
Bradford, Yorkshire, United Kingdom Hybrid / WFH Options
IO Associates
Cloud Application Developer - Azure API Management Leeds (Hybrid) Are you an experienced Cloud Application Developer with strong skills in Azure API Management ? We're working with a global technology business that is transforming its digital product ecosystem - and they're More ❯
Leeds, Yorkshire, United Kingdom Hybrid / WFH Options
IO Associates
Cloud Application Developer - Azure API Management | Leeds (Hybrid) Are you an experienced Cloud Application Developer with strong skills in Azure API Management ? We're working with a global technology business that is transforming its digital product ecosystem - and they're More ❯