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44 Contract API jobs in Hertfordshire + 20 miles
362 exact matches jobs are outside your preferred location
At ZeroAvia, were clean sky thinkers. For the world to achieve truly clean, guilt-free flight, we need a scalable solution; hydrogen-electric powertrains. As a leader in zero-emission aviation and a UK Jet Zero Council member, were designing and commercialising hydrogen-powered solutions that will positively impact the future of aviation, global connectivity, and the world. Engineering designs our next-generation hydrogen electric engines. Working across Hydrogen, Propulsion and Integration divisions, they solve technical problems and help decarbonize aviation by finding solutions for electric propulsion, hydrogen storage, fuel cell technology, power distribution, thermal management and more. Join us at Cotswold Airport, home to some of our aircraft and the workplace of many ZeroAvians. Located just outside the historic market town of Cirencester, youll experience a .
At ZeroAvia, were clean sky thinkers. For the world to achieve truly clean, guilt-free flight, we need a scalable solution; hydrogen-electric powertrains. As a leader in zero-emission aviation and a UK Jet Zero Council member, were designing and commercialising hydrogen-powered solutions that will positively impact the future of aviation, global connectivity, and the world. Engineering designs our next-generation hydrogen electric engines. Working across Hydrogen, Propulsion and Integration divisions, they solve technical problems and help decarbonize aviation by finding solutions for electric propulsion, hydrogen storage, fuel cell technology, power distribution, thermal management and more. Join us at Cotswold Airport, home to some of our aircraft and the workplace of many ZeroAvians. Located just outside the historic market town of Cirencester, youll experience a .
REST API Development: Proficiency in designing and implementing RESTful APIs using C# and .NET.
REST API Development: Proficiency in designing and implementing RESTful APIs using C# and .NET.
Shopify APIs: Proficiency with Shopify Admin API and Storefront API for data interaction and application functionality. API Integration : Proven ability to integrate with RESTful and GraphQL APIs.
Shopify APIs: Proficiency with Shopify Admin API and Storefront API for data interaction and application functionality. API Integration : Proven ability to integrate with RESTful and GraphQL APIs.
Prototype quickly using no-code, scripting or API orchestration tools (n8n, etc.)
Prototype quickly using no-code, scripting or API orchestration tools (n8n, etc.)
OpenAI API
OpenAI API
You understand and care deeply about the developer journey, from first API call to production deployment.
You understand and care deeply about the developer journey, from first API call to production deployment.
NEW
architecture, API design, distributed systems, and frontend frameworks, along with a solid * Knowledge of WebGL, Canvas API, or other graphics programming technologies.
architecture, API design, distributed systems, and frontend frameworks, along with a solid * Knowledge of WebGL, Canvas API, or other graphics programming technologies.
You will bring deep expertise in Okta capabilities, including Okta Customer Identity Cloud (CIC) , Okta Workforce Identity Cloud (WIC) , Single Sign-On, Adaptive Multi-Factor Authentication, API Access Management, Lifecycle Management, and Universal Directory. * Hands-on experience delivering Okta Identity Cloud solutions, including configuration of SSO, Adaptive MFA, API Access Management, and Lifecycle Management. * Proficiency with Okta Hooks (Inline, Event), Okta Workflows , and automation via Okta API , Terraform , or Okta Integration Network .
You will bring deep expertise in Okta capabilities, including Okta Customer Identity Cloud (CIC) , Okta Workforce Identity Cloud (WIC) , Single Sign-On, Adaptive Multi-Factor Authentication, API Access Management, Lifecycle Management, and Universal Directory. * Hands-on experience delivering Okta Identity Cloud solutions, including configuration of SSO, Adaptive MFA, API Access Management, and Lifecycle Management. * Proficiency with Okta Hooks (Inline, Event), Okta Workflows , and automation via Okta API , Terraform , or Okta Integration Network .
Knowledge of RESTful API design and development
Knowledge of RESTful API design and development
API Design: Hands-on experience with REST and GraphQL API development * Integration Experience (at least with one of): Telegram API, Slack, MS Teams, Jira API, ClickUp, on-premise deployments
API Design: Hands-on experience with REST and GraphQL API development * Integration Experience (at least with one of): Telegram API, Slack, MS Teams, Jira API, ClickUp, on-premise deployments
Collaborate with Ops Tech to manage API use, system performance, and platform scalability. * Working knowledge of JavaScript or Python for API interactions for customizations.
Collaborate with Ops Tech to manage API use, system performance, and platform scalability. * Working knowledge of JavaScript or Python for API interactions for customizations.
NEW
Liaise and collaborate with internal stakeholders such as TAs, SMEs and other discipline Engineers to deliver structural engineering services ensuring compliance with industry design standards (ISO, API, DNV, NORSOK, etc.) and certification requirements.
Liaise and collaborate with internal stakeholders such as TAs, SMEs and other discipline Engineers to deliver structural engineering services ensuring compliance with industry design standards (ISO, API, DNV, NORSOK, etc.) and certification requirements.
Familiarity with troubleshooting frontend build systems, serverless runtimes, and API integrations
Familiarity with troubleshooting frontend build systems, serverless runtimes, and API integrations
You'll drive key capabilities like multi-tenancy, RBAC, and API experiences to meet the needs of our largest enterprise customers and MSSP partners. As a Lead Product Manager, your primary responsibility will be to own critical enterprise capabilities including multi-tenancy experiences, user access management (RBAC and data access control), API experiences, and foundational account infrastructure. * Strong understanding of enterprise platform requirements, particularly in multi-tenant environments, role-based access control (RBAC), identity and access management (IAM), and API development.
You'll drive key capabilities like multi-tenancy, RBAC, and API experiences to meet the needs of our largest enterprise customers and MSSP partners. As a Lead Product Manager, your primary responsibility will be to own critical enterprise capabilities including multi-tenancy experiences, user access management (RBAC and data access control), API experiences, and foundational account infrastructure. * Strong understanding of enterprise platform requirements, particularly in multi-tenant environments, role-based access control (RBAC), identity and access management (IAM), and API development.
Troubleshooting and configuring Privileged applications, Privileged ID Management, and API integrations.
Troubleshooting and configuring Privileged applications, Privileged ID Management, and API integrations.
Knowledgeable of REST, API design patterns and microservices
Knowledgeable of REST, API design patterns and microservices
TransUnion's Job Applicant Privacy Notice - We support organisations across a variety of sectors including finance, retail, telecommunications, utilities, gaming, government and insurance. Were looking for a Solution Architect to join our growing team. * Design scalable solutions, identifying gaps between current and desired end-states, to enable achievement of the desired business outcomes in alignment with the journey roadmap and organization goals, knowing how to work in and around the limits of the platform. * Act as a solution guide, being able to speak conceptually, document the proposed solution and be comfortable doing hands on configuration and/or coding. May build proof-of-concept (POCs) that can be carried forward by the team. * Stay up to date with the latest Salesforce releases, features, and functionalities, and provide guidance on leveraging new capabil
TransUnion's Job Applicant Privacy Notice - We support organisations across a variety of sectors including finance, retail, telecommunications, utilities, gaming, government and insurance. Were looking for a Solution Architect to join our growing team. * Design scalable solutions, identifying gaps between current and desired end-states, to enable achievement of the desired business outcomes in alignment with the journey roadmap and organization goals, knowing how to work in and around the limits of the platform. * Act as a solution guide, being able to speak conceptually, document the proposed solution and be comfortable doing hands on configuration and/or coding. May build proof-of-concept (POCs) that can be carried forward by the team. * Stay up to date with the latest Salesforce releases, features, and functionalities, and provide guidance on leveraging new capabil
Desired skills in Azure Integration Services, including Azure Service Bus, Azure Functions, Logic Apps, and API Management, with experience building cloud applications using Azure App Service and be proficient in containerization with Docker would be advantagous. * Design, develop, and maintain Azure-based applications using services such as Azure App Service, Azure Service Bus, Azure Functions, Logic Apps, API Management, Azure Storage, Azure Key Vault, Application Insights and more. * Proficient in C#, .NET, ASP.NET (Core), MVC, Web API, and experience with scripting languages such as PowerShell. * Hands-on experience developing applications with Azure App Service, Azure Storage, Azure Service Bus, Azure Functions, Logic Apps, and API Management.
Desired skills in Azure Integration Services, including Azure Service Bus, Azure Functions, Logic Apps, and API Management, with experience building cloud applications using Azure App Service and be proficient in containerization with Docker would be advantagous. * Design, develop, and maintain Azure-based applications using services such as Azure App Service, Azure Service Bus, Azure Functions, Logic Apps, API Management, Azure Storage, Azure Key Vault, Application Insights and more. * Proficient in C#, .NET, ASP.NET (Core), MVC, Web API, and experience with scripting languages such as PowerShell. * Hands-on experience developing applications with Azure App Service, Azure Storage, Azure Service Bus, Azure Functions, Logic Apps, and API Management.
Familiarity with application programming interfaces (API)
Familiarity with application programming interfaces (API)
Are comfortable writing Python scripts for data wrangling and API interaction
Are comfortable writing Python scripts for data wrangling and API interaction
Strong understanding of identity & access management (OAuth, OIDC, SAML, JWT) and API security.
Strong understanding of identity & access management (OAuth, OIDC, SAML, JWT) and API security.
Prior experience working with API and cloud-based product offerings.
Prior experience working with API and cloud-based product offerings.
Build and maintain automation workflows in AWS (using Lambda, API Gateway, S3 and Python), Okta, Freshservice and Power Automate. * Familiarity with AWS services, including Lambda, API Gateway, S3 and DynamoDB.
Build and maintain automation workflows in AWS (using Lambda, API Gateway, S3 and Python), Okta, Freshservice and Power Automate. * Familiarity with AWS services, including Lambda, API Gateway, S3 and DynamoDB.
Mentor SREs in developing orchestration pipelines, IaC modules, and secure API integrations.
Mentor SREs in developing orchestration pipelines, IaC modules, and secure API integrations.
About The Role - FDM is a global business and technology consultancy seeking a Power Platform Developer to work for our client within the public sector. This is initially a 6-month contract with the potential to extend and will be carried out remotely with occasional office visits to Bristol. Our client is seeking a PowerPlatform Developer with at least 5 years experience to design, develop and implement Power Platform solutions based on established patterns and best practices. You will be working with development teams as well as directly with customers. The role will require you to assist in driving the adoption of cloud solutions using the Power Platform and provide technical advice to team members. This is a critical role in supporting the client by working on the Digital Backlog. This role will primarily focus on migrating existing InfoPath applications and creat
About The Role - FDM is a global business and technology consultancy seeking a Power Platform Developer to work for our client within the public sector. This is initially a 6-month contract with the potential to extend and will be carried out remotely with occasional office visits to Bristol. Our client is seeking a PowerPlatform Developer with at least 5 years experience to design, develop and implement Power Platform solutions based on established patterns and best practices. You will be working with development teams as well as directly with customers. The role will require you to assist in driving the adoption of cloud solutions using the Power Platform and provide technical advice to team members. This is a critical role in supporting the client by working on the Digital Backlog. This role will primarily focus on migrating existing InfoPath applications and creat