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47 Permanent API jobs in Welwyn Garden City + 20 miles
512 exact matches jobs are outside your preferred location
AI Application Development: Build and maintain scalable, secure web applications, including user interfaces (UI) and application programming interfaces (API), that integrate and expose AI capabilities.
AI Application Development: Build and maintain scalable, secure web applications, including user interfaces (UI) and application programming interfaces (API), that integrate and expose AI capabilities.
Assist with API Development: assist with the building and maintenance of REST APIs for model serving and data access, ensuring robust integration with existing systems.
Assist with API Development: assist with the building and maintenance of REST APIs for model serving and data access, ensuring robust integration with existing systems.
This role is ideal for someone with experience in platform or infrastructure product management, data-centric or API-first product development, and a strong understanding of developer and operator needs. * Proven experience as a Product Owner or Technical Product Manager for platform, data infrastructure, developer tooling, or API-based products .
This role is ideal for someone with experience in platform or infrastructure product management, data-centric or API-first product development, and a strong understanding of developer and operator needs. * Proven experience as a Product Owner or Technical Product Manager for platform, data infrastructure, developer tooling, or API-based products .
This role involves creating high-quality documentation, including API integrations, and leveraging your expertise to guide projects to success. * Document and manage API requirements, ensuring alignment with REST/GraphQL principles and system capabilities. * Leverage knowledge of API principles (REST/GraphQL), web technologies (e.g., cookies, HTML, JSON), and authentication protocols (e.g., oAuth2, SAML). * Understanding of API principles such as REST / GraphQL
This role involves creating high-quality documentation, including API integrations, and leveraging your expertise to guide projects to success. * Document and manage API requirements, ensuring alignment with REST/GraphQL principles and system capabilities. * Leverage knowledge of API principles (REST/GraphQL), web technologies (e.g., cookies, HTML, JSON), and authentication protocols (e.g., oAuth2, SAML). * Understanding of API principles such as REST / GraphQL
Ability to design and build end-to-end applications and API integrations.
Ability to design and build end-to-end applications and API integrations.
Typing is used within our Python stack to power automated documentation and API definitions * Have hands-on experience designing data flow through software, from persistent storage to API endpoints, while applying industry best practices for validation
Typing is used within our Python stack to power automated documentation and API definitions * Have hands-on experience designing data flow through software, from persistent storage to API endpoints, while applying industry best practices for validation
Familiarity with state management libraries, such as Redux, React Query and Context API.
Familiarity with state management libraries, such as Redux, React Query and Context API.
Our B2B team focuses on empowering travel partners from global affiliates and OTAs to travel agents and API integrators to offer those experiences seamlessly to their own customers. * Experience conducting research with technically sophisticated users (e.g. API users, systems integrators, agents using professional tools).
Our B2B team focuses on empowering travel partners from global affiliates and OTAs to travel agents and API integrators to offer those experiences seamlessly to their own customers. * Experience conducting research with technically sophisticated users (e.g. API users, systems integrators, agents using professional tools).
This role is ideal for someone with experience in platform or infrastructure product management, data-centric or API-first product development, and a strong understanding of developer and operator needs. * Proven experience as a Product Owner or Technical Product Manager for platform, data infrastructure, developer tooling, or API-based products .
This role is ideal for someone with experience in platform or infrastructure product management, data-centric or API-first product development, and a strong understanding of developer and operator needs. * Proven experience as a Product Owner or Technical Product Manager for platform, data infrastructure, developer tooling, or API-based products .
Execute End-to-End Testing: Lead both functional (integration, UI, regression, REST/GraphQL API) and non-functional (load, performance, security) test efforts.
Execute End-to-End Testing: Lead both functional (integration, UI, regression, REST/GraphQL API) and non-functional (load, performance, security) test efforts.
Conduct different testing types and adapt them to the project need: functional testing, regression testing, API testing, integration testing, security testing, performance testing, contract testing. * Implement and maintain automated testing framework for UI, API and AI/ML solutions. * Proficiency in UI and API test automation tools like cypress, cucumber, postman, pytest.
Conduct different testing types and adapt them to the project need: functional testing, regression testing, API testing, integration testing, security testing, performance testing, contract testing. * Implement and maintain automated testing framework for UI, API and AI/ML solutions. * Proficiency in UI and API test automation tools like cypress, cucumber, postman, pytest.
Understanding of mocking tools such as Nock for testing API interactions
Understanding of mocking tools such as Nock for testing API interactions
This includes content on product features, benefits, and use cases, as well as user and admin guides, API references, examples, and best practices. * Knowledge of API concepts and developer-first content (no coding required, but tech-savvy mindset a plus).
This includes content on product features, benefits, and use cases, as well as user and admin guides, API references, examples, and best practices. * Knowledge of API concepts and developer-first content (no coding required, but tech-savvy mindset a plus).
Managing Consultant – Microsoft 365 & Power Platform - Digital Workplace
Managing Consultant – Microsoft 365 & Power Platform - Digital Workplace
Kyndryl INC
London
Competitive
Modern Solution Design Translate business needs into scalable, future-ready solutions using Microsoft 365, Power Platform, Dataverse, Microsoft Fabric, and Graph API. * Governance & Platform Maturity Support the implementation of governance frameworks for Power Platform and Microsoft 365, including environment strategy, security, lifecycle management, and API integration. * Familiarity with Microsoft Fabric and Graph API
Modern Solution Design Translate business needs into scalable, future-ready solutions using Microsoft 365, Power Platform, Dataverse, Microsoft Fabric, and Graph API. * Governance & Platform Maturity Support the implementation of governance frameworks for Power Platform and Microsoft 365, including environment strategy, security, lifecycle management, and API integration. * Familiarity with Microsoft Fabric and Graph API
Develop and maintain API integrations across our tech stack including Shopify APIs, 3rd party tools, and bespoke internal systems
Develop and maintain API integrations across our tech stack including Shopify APIs, 3rd party tools, and bespoke internal systems
Balance roadmap and service levels: Prioritise platform improvements, API consistency, reliability SLAs, and technical documentation to ensure smooth usage by other teams. * 4+ years in product management with a strong technical focus-ideally in infrastructure, platform, or API products.
Balance roadmap and service levels: Prioritise platform improvements, API consistency, reliability SLAs, and technical documentation to ensure smooth usage by other teams. * 4+ years in product management with a strong technical focus-ideally in infrastructure, platform, or API products.
You can interact comfortably with AWS via CLI and/or API
You can interact comfortably with AWS via CLI and/or API
This includes native integrations with BI tools, CRMs, AI platforms, and LLMs, as well as expanding and owning our API platform. Own and evolve the GWI Data API by defining key use cases, prioritising the roadmap, maintaining comprehensive documentation, supporting partner integrations, and driving adoption across customers and third-party developers. API Product Leadership - You own APIs end to end, from roadmap to developer experience, and know how to scale adoption and usage.
This includes native integrations with BI tools, CRMs, AI platforms, and LLMs, as well as expanding and owning our API platform. Own and evolve the GWI Data API by defining key use cases, prioritising the roadmap, maintaining comprehensive documentation, supporting partner integrations, and driving adoption across customers and third-party developers. API Product Leadership - You own APIs end to end, from roadmap to developer experience, and know how to scale adoption and usage.
We're seeking someone with exceptional software development knowledge and API integration expertise.
We're seeking someone with exceptional software development knowledge and API integration expertise.
Youll be responsible for developing high-performance data pipelines, billing infrastructure and APIs that power our suite of products including Reports API, Analytics API and Insights API ensuring data is reliably processed and securely delivered to our customers. * Background in SaaS, API, or telecommunications environments, with specific expertise in billing systems and usage-based data processing.
Youll be responsible for developing high-performance data pipelines, billing infrastructure and APIs that power our suite of products including Reports API, Analytics API and Insights API ensuring data is reliably processed and securely delivered to our customers. * Background in SaaS, API, or telecommunications environments, with specific expertise in billing systems and usage-based data processing.
Experience of leveraging GitLab API for advanced automation, integration, and reporting;
Experience of leveraging GitLab API for advanced automation, integration, and reporting;
API management and integration approaches for analytics platforms (e.g., Tableau).
API management and integration approaches for analytics platforms (e.g., Tableau).
Can think about how data will pass through your software to the UX; from API requests to on-screen components and interactions, relating it back to company and engineering strategy.
Can think about how data will pass through your software to the UX; from API requests to on-screen components and interactions, relating it back to company and engineering strategy.
Crucially, the ability to understand how these tools integrate (data flow, API concepts) is essential, even if they're not building the integrations from scratch.
Crucially, the ability to understand how these tools integrate (data flow, API concepts) is essential, even if they're not building the integrations from scratch.
lastupdated - 08/14/2025 - jobtitle - Job Description - Role - Confluent Solution Architect - Technology - Apache Kafka, Confluent Platform, Stream Processing - Location - UK - Today, the corporate landscape is dynamic and the world ahead is full of possibilities! None of the amazing things we do at Infosys would be possible without an equally amazing culture, the environment where ideas can flourish and where you are empowered to move forward as far as your ideas will take you. At Infosys, we assure that your career will never stand still, we will inspire you to build what's next and we will navigate further together. Our journey of learnability, values and trusted relationships with our clients continue to be the cornerstones of our organization and these values are upheld only because of our people. Your role - As a Confluent Solution Architect, you will lead the d
lastupdated - 08/14/2025 - jobtitle - Job Description - Role - Confluent Solution Architect - Technology - Apache Kafka, Confluent Platform, Stream Processing - Location - UK - Today, the corporate landscape is dynamic and the world ahead is full of possibilities! None of the amazing things we do at Infosys would be possible without an equally amazing culture, the environment where ideas can flourish and where you are empowered to move forward as far as your ideas will take you. At Infosys, we assure that your career will never stand still, we will inspire you to build what's next and we will navigate further together. Our journey of learnability, values and trusted relationships with our clients continue to be the cornerstones of our organization and these values are upheld only because of our people. Your role - As a Confluent Solution Architect, you will lead the d