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148 Permanent API jobs in Holborn, Central London + 20 miles
590 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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We're looking for an experienced Front-End Developer to join a fast-paced digital transformation project for a leading UK-based organisation in the manufacturing sector. This is an opportunity to make an immediate impact on a complex internal system used across multiple teams. You'll be joining at the latter stages of a large internal rebuild, helping optimise and refine an order processing platform that integrates data from over 40 different software tools. The ideal candidate will have a sharp eye for detail, a strong understanding of front-end best practices, and the ability to hit the ground running in a dynamic environment. * JavaScript (ES6+) * Vue.js * HTML5 / CSS3 * REST APIs & JSON * Enhance and streamline the user interface for an internal order processing system * Optimise workflows and improve system usability for internal teams
We're looking for an experienced Front-End Developer to join a fast-paced digital transformation project for a leading UK-based organisation in the manufacturing sector. This is an opportunity to make an immediate impact on a complex internal system used across multiple teams. You'll be joining at the latter stages of a large internal rebuild, helping optimise and refine an order processing platform that integrates data from over 40 different software tools. The ideal candidate will have a sharp eye for detail, a strong understanding of front-end best practices, and the ability to hit the ground running in a dynamic environment. * JavaScript (ES6+) * Vue.js * HTML5 / CSS3 * REST APIs & JSON * Enhance and streamline the user interface for an internal order processing system * Optimise workflows and improve system usability for internal teams
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
Extensive experience of API testing, REST & SOAP
Extensive experience of API testing, REST & SOAP
Extensive experience of API testing, REST & SOAP
Extensive experience of API testing, REST & SOAP
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Skilled in API development and microservices architecture
Skilled in API development and microservices architecture
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Work with services including S3, IAM, DynamoDB, SQS, SNS, API Gateway, SSM, Connect, Pinpoint, Lex, EventBridge, Cognito.
Work with services including S3, IAM, DynamoDB, SQS, SNS, API Gateway, SSM, Connect, Pinpoint, Lex, EventBridge, Cognito.
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.
Expertise in system and API design, scalability, and performance tuning
Expertise in system and API design, scalability, and performance tuning
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Senior Frontend Developer
Senior Frontend Developer
Pathfinder Business Solutions Ltd
Milton Keynes (MK9), MK9 3QA
From £50,000 to £60,000 per annum Full Benefits Pack
REST-based API development
REST-based API development
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Application Developer
Application Developer
Wise Employment – Plymouth
Marshgate Trading Estate, Maidenhead (SL6), SL6
Market related
PowerShell scripting, API development
PowerShell scripting, API development
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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
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FTP/SFTP, SSL Certificates, REST API, SOAP, Postman, Excel, CSV files ??
FTP/SFTP, SSL Certificates, REST API, SOAP, Postman, Excel, CSV files ??
FEATURED
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.
Related Jobs
Locations
- The City, City (EC3)
- Shoreditch
- The City, City (EC4)
- Southwark
- The City, City (EC2)
- Hinxton
- Ireland
- Lambeth
- Arundel Heights
- Bloomsbury
- City of London
- Cambridge
- Reading
- Central London
- West End
- South East London
- Milton Keynes
- East London
- West London
- Oxford
- London
- Berkshire
- Cambridgeshire
- Buckinghamshire
- Hertfordshire
- Oxfordshire
- Essex
- Surrey
- Bedfordshire
- East Sussex
- South East
- East Anglia