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169 Permanent API jobs in Hertfordshire + 20 miles
636 exact matches jobs are outside your preferred location
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Palantir Foundry Lead Consultant - Lead architect and hands-on technical owner for Palantir Foundry implementations. You will design and build production-grade data and application workflows on Foundry, own technical decisions end-to-end and work directly with senior stakeholders while mentoring engineering teams. Core Responsibilities - Foundry Solution Architecture & Build - o Data integration (Pipeline Builder/code-based pipelines, connectors, incremental loads). o Ontology modelling (object/relationship design, semantics, versioning). o Application layer (Workshop, Code Repositories, OSDK/APIs, Actions, AIP/agentic workflows). * Define and implement patterns for data modelling, transformation, and lineage tracking. * Design permission models (RBAC/ABAC), object-level security and auditability. * Implement CI/CD and environment promotion strategies for Foundry arte
Palantir Foundry Lead Consultant - Lead architect and hands-on technical owner for Palantir Foundry implementations. You will design and build production-grade data and application workflows on Foundry, own technical decisions end-to-end and work directly with senior stakeholders while mentoring engineering teams. Core Responsibilities - Foundry Solution Architecture & Build - o Data integration (Pipeline Builder/code-based pipelines, connectors, incremental loads). o Ontology modelling (object/relationship design, semantics, versioning). o Application layer (Workshop, Code Repositories, OSDK/APIs, Actions, AIP/agentic workflows). * Define and implement patterns for data modelling, transformation, and lineage tracking. * Design permission models (RBAC/ABAC), object-level security and auditability. * Implement CI/CD and environment promotion strategies for Foundry arte
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£70000 GBP - Remote WORKING Type: Permanent - Location: Ireland preferred | Remote (UK-based, excluding London) Salary: £60,000 - £70,000 - Work Type: Full-flex hybrid - About the Company - This is your chance to join a fast-growing, award-winning SaaS company that's redefining how mobile workforces operate. With over a decade of experience and a strong customer base across industries like construction, safety, and field services, this organisation is a true homegrown success story. As part of a larger tech group, they offer a unique combination of software and hardware solutions, giving clients a comprehensive digital transformation experience. Their platform is trusted by hundreds of businesses to streamline operations and empower teams in the field. Why You'll Want to Work Here * Recognised for product innovation and customer support excellence
£70000 GBP - Remote WORKING Type: Permanent - Location: Ireland preferred | Remote (UK-based, excluding London) Salary: £60,000 - £70,000 - Work Type: Full-flex hybrid - About the Company - This is your chance to join a fast-growing, award-winning SaaS company that's redefining how mobile workforces operate. With over a decade of experience and a strong customer base across industries like construction, safety, and field services, this organisation is a true homegrown success story. As part of a larger tech group, they offer a unique combination of software and hardware solutions, giving clients a comprehensive digital transformation experience. Their platform is trusted by hundreds of businesses to streamline operations and empower teams in the field. Why You'll Want to Work Here * Recognised for product innovation and customer support excellence
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Job Description - Technology Lead - A competitive salary including annual performance bonus, car/travel allowance of £8000 per annum and private medical healthcare. Permanent, Hybrid contract with the requirement to work from the Ashford, Kent office 2-3 times per month. Occasional travel across Europe will also be required. Reporting to the Technology Strategy Director, the European Pricing Functional Lead will be responsible for the development and delivery of the technology roadmap for the Pricing function. The primary objective of this role is to align Pricing capabilities to agreed Technology products/solutions across Sysco Europe and overseeing the associated Pricing Technology product development lifecycles in both large and small-scale change. The role involves partnering with cross-functional stakeholders in both local and European markets, to ensure function
Job Description - Technology Lead - A competitive salary including annual performance bonus, car/travel allowance of £8000 per annum and private medical healthcare. Permanent, Hybrid contract with the requirement to work from the Ashford, Kent office 2-3 times per month. Occasional travel across Europe will also be required. Reporting to the Technology Strategy Director, the European Pricing Functional Lead will be responsible for the development and delivery of the technology roadmap for the Pricing function. The primary objective of this role is to align Pricing capabilities to agreed Technology products/solutions across Sysco Europe and overseeing the associated Pricing Technology product development lifecycles in both large and small-scale change. The role involves partnering with cross-functional stakeholders in both local and European markets, to ensure function
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Lead .NET/C# Developer - 12 Month Remote Contract (Inside IR35)
Lead .NET/C# Developer - 12 Month Remote Contract (Inside IR35)
Stealth IT Consulting Limited
UK
£475 per day £475 per day (Inside IR35)
Azure API Management
Azure API Management
Senior Software Developer (BPSS Cleared) – SFIA Level 5 (Remote UK)
Senior Software Developer (BPSS Cleared) – SFIA Level 5 (Remote UK)
Stealth IT Consulting Limited
UK
£450 per day £450 per day (Inside IR35)
Configure API gateways and reverse proxies with Kong (CE/EE) and Nginx.
Configure API gateways and reverse proxies with Kong (CE/EE) and Nginx.
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Proficient in API-centric architecture, microservices, and data integration techniques.
Proficient in API-centric architecture, microservices, and data integration techniques.
FEATURED
Senior Software Developer (BPSS Cleared) - Contract (Remote UK)
Senior Software Developer (BPSS Cleared) - Contract (Remote UK)
Stealth IT Consulting Limited
UK
£380 per day £380 per day
Configure and manage API gateways and reverse proxies using Kong (CE/EE) and Nginx.
Configure and manage API gateways and reverse proxies using Kong (CE/EE) and Nginx.
The ideal candidate will have strong experience in API development, microservices architecture, CI/CD pipelines, and containerization. Additional Skills: API development, microservices, CI/CD pipelines, containerization (Docker/Kubernetes), Leadership, Greenfield development experience
The ideal candidate will have strong experience in API development, microservices architecture, CI/CD pipelines, and containerization. Additional Skills: API development, microservices, CI/CD pipelines, containerization (Docker/Kubernetes), Leadership, Greenfield development experience
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Familiarity with Kong EE for API management
Familiarity with Kong EE for API management
Understanding of API testing tools and frameworks (e.g., RestAssured, Postman).
Understanding of API testing tools and frameworks (e.g., RestAssured, Postman).
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ServiceNow Architect – Full Time Onsite (Abu Dhabi) Relocation from UK
ServiceNow Architect – Full Time Onsite (Abu Dhabi) Relocation from UK
NST Recruitment Ltd
UK
From £100,000 to £110,000 per annum GBP equivalent to AED - tax free (
The ServiceNow Architect needs good REST API knowledge as well as licence management.
The ServiceNow Architect needs good REST API knowledge as well as licence management.
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A good understanding of API design (REST or GraphQL) and relational databases
A good understanding of API design (REST or GraphQL) and relational databases
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Familiarity with API testing, SQL queries, and data migration testing.
Familiarity with API testing, SQL queries, and data migration testing.
Implement cloud-native applications leveraging AWS services including Lambda, API Gateway, and S3. * Hands-on experience with AWS serverless services (Lambda, API Gateway, SQS/SNS, Step Functions, S3). * Take ownership of key microservices or API features within your product area.
Implement cloud-native applications leveraging AWS services including Lambda, API Gateway, and S3. * Hands-on experience with AWS serverless services (Lambda, API Gateway, SQS/SNS, Step Functions, S3). * Take ownership of key microservices or API features within your product area.
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Architect modern EDI, API, and event-driven integration frameworks that leverage AI, LLMs, and automation for intelligent partner connectivity. * Lead solution design and implementation for B2B messaging, EDI, and API-based integrations, supporting business functions such as Procurement, Order Management, Supply Chain, and Finance.
Architect modern EDI, API, and event-driven integration frameworks that leverage AI, LLMs, and automation for intelligent partner connectivity. * Lead solution design and implementation for B2B messaging, EDI, and API-based integrations, supporting business functions such as Procurement, Order Management, Supply Chain, and Finance.
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Implement single sign-on and API authentication in WorkForces suite and on-premises environments.
Implement single sign-on and API authentication in WorkForces suite and on-premises environments.
Expert knowledge of HTML, CSS, JavaScript Experience developing Frontend Application using Modern Javascript frameworks like React/Vue/Svelte/Angular Writing unit tests with modern front end testing frameworks like Jest Experience of consuming and modifying CI/CD pipelines Experience working with API of varying types and integrating with backend data Experience of working with cloud technologies (Azure/AWS) Capable of teaching/mentoring/pair-programming with other members of the team - Experience of Docker Experience of working in a Continuous Delivery or Deployment environment Experience of developing any backend API frameworks * Experience working with API of varying types and integrating with backend data * Experience of developing any backend API frameworks
Expert knowledge of HTML, CSS, JavaScript Experience developing Frontend Application using Modern Javascript frameworks like React/Vue/Svelte/Angular Writing unit tests with modern front end testing frameworks like Jest Experience of consuming and modifying CI/CD pipelines Experience working with API of varying types and integrating with backend data Experience of working with cloud technologies (Azure/AWS) Capable of teaching/mentoring/pair-programming with other members of the team - Experience of Docker Experience of working in a Continuous Delivery or Deployment environment Experience of developing any backend API frameworks * Experience working with API of varying types and integrating with backend data * Experience of developing any backend API frameworks
Location: Remote with the UK or Europe - Salary range: £60,000 - £70,000 - compensation outside the UK will be adjusted based on location. Please note: We are unable to sponsor international visas at this time. Were looking for 2 experienced Senior Backend Engineers to join our backend engineering team behind Nexus Mods core services. In this role, you will design, build, and scale the APIs and systems that power Nexus Mods ecosystem. This is a chance to work on problems most companies never see: massive scale, complex compatibility, and passionate user communities. * Helping millions of gamers discover, download, and manage mods effortlessly. * Empowering creators to publish, distribute, and manage their work with confidence. * Building high-traffic APIs that serve millions of requests per hour. * Designing backend systems that support both web and desktop applicatio
Location: Remote with the UK or Europe - Salary range: £60,000 - £70,000 - compensation outside the UK will be adjusted based on location. Please note: We are unable to sponsor international visas at this time. Were looking for 2 experienced Senior Backend Engineers to join our backend engineering team behind Nexus Mods core services. In this role, you will design, build, and scale the APIs and systems that power Nexus Mods ecosystem. This is a chance to work on problems most companies never see: massive scale, complex compatibility, and passionate user communities. * Helping millions of gamers discover, download, and manage mods effortlessly. * Empowering creators to publish, distribute, and manage their work with confidence. * Building high-traffic APIs that serve millions of requests per hour. * Designing backend systems that support both web and desktop applicatio
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Strong understanding of microservice architecture and API principles .
Strong understanding of microservice architecture and API principles .
Leverage AWS services (e.g. Lambda, API Gateway, SQS/SNS, Step Functions, S3, IAM) to build secure, event-driven systems. * Deep knowledge of API design, integration, and auth (OAuth2, JWT), with end-to-end performance focus.
Leverage AWS services (e.g. Lambda, API Gateway, SQS/SNS, Step Functions, S3, IAM) to build secure, event-driven systems. * Deep knowledge of API design, integration, and auth (OAuth2, JWT), with end-to-end performance focus.
Proven experience with API development and integration
Proven experience with API development and integration
Understanding of DevOps practices , cloud infrastructure automation (Terraform, Ansible), and scalable API architectures.
Understanding of DevOps practices , cloud infrastructure automation (Terraform, Ansible), and scalable API architectures.
Build your future with Sovos. If you're seeking a career where innovation meets impact, you've come to the right place. As a global leader, Sovos is transforming tax compliance from a business requirement to a force for growth while revolutionising how businesses navigate the ever-changing regulatory landscape. At Sovos, we're dedicated to more than just solving compliance challenges we're committed to making a positive and lasting difference in everything we do. Our teams operate on the modern edge of digital technology, working not only to solve complex business challenges but also to enrich our personal, professional, and local communities. Our purpose-built systems provide the tools you need to thrive in a world where governments demand increased visibility, faster reporting and greater control over business processes. Excited about the possibilities? So are we!
Build your future with Sovos. If you're seeking a career where innovation meets impact, you've come to the right place. As a global leader, Sovos is transforming tax compliance from a business requirement to a force for growth while revolutionising how businesses navigate the ever-changing regulatory landscape. At Sovos, we're dedicated to more than just solving compliance challenges we're committed to making a positive and lasting difference in everything we do. Our teams operate on the modern edge of digital technology, working not only to solve complex business challenges but also to enrich our personal, professional, and local communities. Our purpose-built systems provide the tools you need to thrive in a world where governments demand increased visibility, faster reporting and greater control over business processes. Excited about the possibilities? So are we!
The development of C# .NET Core, Web API, Angular 9+, HTML, Responsive CSS, web applications, Microservices, web portals and service APIs, windows, and web services. * Hands-on experience designing and consuming RESTful APIs , working with Web API technologies, and integrating with legacy SOAP-based services.
The development of C# .NET Core, Web API, Angular 9+, HTML, Responsive CSS, web applications, Microservices, web portals and service APIs, windows, and web services. * Hands-on experience designing and consuming RESTful APIs , working with Web API technologies, and integrating with legacy SOAP-based services.
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Consultant - Microsoft Dynamics 365 Business Central (Finance-focused)
Consultant - Microsoft Dynamics 365 Business Central (Finance-focused)
Codestone Group Ltd
UK
Competitive
Knowledge of Business Central SaaS deployment and extensions (AL, API integration understanding beneficial).
Knowledge of Business Central SaaS deployment and extensions (AL, API integration understanding beneficial).