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129 Permanent API jobs in Hertfordshire + 20 miles
301 exact matches jobs are outside your preferred location
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The PE AI Transformation team is redefining how AI powers engineering at Arm! We partner with engineering teams across Arm to deliver real-world impact through applied AIboosting productivity, fueling innovation, and making powerful AI tools part of every engineers workflow. Guided by our visionengineering redefined through smarter workflows, faster execution, and greater creativitywere building systems that let technology amplify human potential. As an AI Engineer, youll be hands-on in designing, developing, and deploying AI capabilities that reshape how engineers work. Youll learn from experienced AI architects and senior engineers, gaining exposure to sophisticated system design and scaling patterns, while supplying your own technical depth to deliver robust, high-quality solutions. Youll also mentor junior peers and share practical insights gained through your wor
The PE AI Transformation team is redefining how AI powers engineering at Arm! We partner with engineering teams across Arm to deliver real-world impact through applied AIboosting productivity, fueling innovation, and making powerful AI tools part of every engineers workflow. Guided by our visionengineering redefined through smarter workflows, faster execution, and greater creativitywere building systems that let technology amplify human potential. As an AI Engineer, youll be hands-on in designing, developing, and deploying AI capabilities that reshape how engineers work. Youll learn from experienced AI architects and senior engineers, gaining exposure to sophisticated system design and scaling patterns, while supplying your own technical depth to deliver robust, high-quality solutions. Youll also mentor junior peers and share practical insights gained through your wor
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Salesforce QA Engineer
Salesforce QA Engineer
Yolk Recruitment
Morden, London (SM4)
£50000.00 - £60000.00 per annum + + excellent benefits
Yolk Recruitment are working with a leading global organisation that continues to grow and invest in its Salesforce capability. Known for its collaborative culture and commitment to continuous improvement, this is an excellent opportunity for a Salesforce QA Tester to make a real impact within a forward-thinking technology team. We're looking for someone who's passionate about quality and experienced in ensuring Salesforce solutions meet the highest standards of reliability and performance. You'll work closely with cross-functional teams to test, validate, and optimise Salesforce functionality, integrations, and custom developments. * Collaborate with developers, business analysts, and project teams to understand requirements and define effective test strategies. * Perform thorough manual testing of Salesforce applications, identifying and documenting defects for ...
Yolk Recruitment are working with a leading global organisation that continues to grow and invest in its Salesforce capability. Known for its collaborative culture and commitment to continuous improvement, this is an excellent opportunity for a Salesforce QA Tester to make a real impact within a forward-thinking technology team. We're looking for someone who's passionate about quality and experienced in ensuring Salesforce solutions meet the highest standards of reliability and performance. You'll work closely with cross-functional teams to test, validate, and optimise Salesforce functionality, integrations, and custom developments. * Collaborate with developers, business analysts, and project teams to understand requirements and define effective test strategies. * Perform thorough manual testing of Salesforce applications, identifying and documenting defects for ...
We are looking for an Engineering Manager (f/m/d) to lead a high-performing, remote-first API development team based in Europe who are driving Contentfuls REST and GraphQL APIs that enable customers to manage and deliver content at scale. We aim to help customers accelerate innovation, reduce operational complexity, and unlock new growth opportunities through a secure, performant, and extensible API ecosystem. * Lead and grow a globally-distributed API development team, ensuring a culture of high performance, collaboration, and continuous improvement. * Experience with API-first platforms.
We are looking for an Engineering Manager (f/m/d) to lead a high-performing, remote-first API development team based in Europe who are driving Contentfuls REST and GraphQL APIs that enable customers to manage and deliver content at scale. We aim to help customers accelerate innovation, reduce operational complexity, and unlock new growth opportunities through a secure, performant, and extensible API ecosystem. * Lead and grow a globally-distributed API development team, ensuring a culture of high performance, collaboration, and continuous improvement. * Experience with API-first platforms.
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Software Developer (.Net)
Software Developer (.Net)
Spectrum It Recruitment Limited
Reading (RG1)
£50000 - £60000 per annum + Benefits & Progression
API Development
API Development
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The successful applicant will have comprehensive expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. * Design and implement scalable cloud solutions utilizing Azure App Service, Web API, and .NET Core. * Define architecture patterns for microservices, API management, and integration with enterprise systems. * Utilize Azure Functions, Azure Logic Apps, Azure API Management, and Azure Storage to develop robust applications. * Expertise in Microsoft Azure services, including App Service, Functions, API Management, Storage, and Networking. * Strong knowledge of .NET Core, Web API, C#, and Visual Studio.
The successful applicant will have comprehensive expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. * Design and implement scalable cloud solutions utilizing Azure App Service, Web API, and .NET Core. * Define architecture patterns for microservices, API management, and integration with enterprise systems. * Utilize Azure Functions, Azure Logic Apps, Azure API Management, and Azure Storage to develop robust applications. * Expertise in Microsoft Azure services, including App Service, Functions, API Management, Storage, and Networking. * Strong knowledge of .NET Core, Web API, C#, and Visual Studio.
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Essential Exp: Java 11/17, Springboot, REST API's, Microservices, Kubernetes.
Essential Exp: Java 11/17, Springboot, REST API's, Microservices, Kubernetes.
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.Net Developer
.Net Developer
Crowd Link Consulting Ltd
Woking (GU21)
From £45,000 to £60,000 per annum Salary + Benefits + Bonus
Web API, HTML, CSS, Web Services, JQuery and JavaScript
Web API, HTML, CSS, Web Services, JQuery and JavaScript
For this role I am looking for a Mid-Level Java Developer with 3yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with some commercial experience of working with ReactJS.
For this role I am looking for a Mid-Level Java Developer with 3yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with some commercial experience of working with ReactJS.
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Expertise in system and API design, scalability, and performance tuning
Expertise in system and API design, scalability, and performance tuning
High proficiency in SSRS, REST API, KPIs, development, integration, and customisation
High proficiency in SSRS, REST API, KPIs, development, integration, and customisation
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Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
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Web API / WCF / Web Services (2+ years)
Web API / WCF / Web Services (2+ years)
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Integration & API Testing - proficiency with REST/OData service testing using tools like Postman or SoapUI
Integration & API Testing - proficiency with REST/OData service testing using tools like Postman or SoapUI
Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
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Understanding of cloud architectures, API-driven platforms, and financial data security standards.
Understanding of cloud architectures, API-driven platforms, and financial data security standards.
Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
For this role I am looking for an experienced Java Engineering Manager with 10yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure.
For this role I am looking for an experienced Java Engineering Manager with 10yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure.
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Prinicipal Full Stack Java Developer
Prinicipal Full Stack Java Developer
G.R.E. Recruitment Limited
Reading (RG1)
From £90,000 to £100,000 per annum
For this role I am looking for a Principal/Tech Lead Full Stack Java Developer with 8yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with leadership experience of driving high impact technical decisions - this role is 75% hands on / 25% hands off leadership exp.
For this role I am looking for a Principal/Tech Lead Full Stack Java Developer with 8yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with leadership experience of driving high impact technical decisions - this role is 75% hands on / 25% hands off leadership exp.
Senior Full Stack Java Developer
Senior Full Stack Java Developer
G.R.E. Recruitment Limited
Reading (RG1)
From £70,000 to £80,000 per annum
For this role I am looking for a Senior Full Stack Java Developer with 5yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with strong experience of working across the full stack with ReactJS/TypeScript on the front end.
For this role I am looking for a Senior Full Stack Java Developer with 5yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with strong experience of working across the full stack with ReactJS/TypeScript on the front end.
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For this role I am looking for aJunior Java Developer with 2yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with a willingness/interest to learn ReactJS/TypeScript and become full stack - you may have personal project experience with ReactJS or have some experience with other JS frameworks such as AngularJS/VueJS.
For this role I am looking for aJunior Java Developer with 2yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with a willingness/interest to learn ReactJS/TypeScript and become full stack - you may have personal project experience with ReactJS or have some experience with other JS frameworks such as AngularJS/VueJS.
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Understanding of API's and how they are used to connect systems together
Understanding of API's and how they are used to connect systems together
Understanding of API's and how they are used to connect systems together
Understanding of API's and how they are used to connect systems together
Microservices architecture, API-first approach, containerisation (Docker/Kubernetes), CI/CD pipelines * Knowledge of integration patterns, API gateways, and cloud-native deployments
Microservices architecture, API-first approach, containerisation (Docker/Kubernetes), CI/CD pipelines * Knowledge of integration patterns, API gateways, and cloud-native deployments
Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques