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Date posted
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2 Contract API jobs in High Brooms + 20 miles
Gatwick (1-2 days per week in office) £65-75k + Benefits. Your new company - This leading financial and consulting business are looking to bolster their engineering team with a Senior Full Stack .Net Developer to join their core team of 16 Devs. You will be working in their state-of-the-art offices near to Gatwick/Crawley and will be required to work 1-2 days per week in the office. Your new role - This is a full-stack, full software lifecycle role where Devs are encouraged to bring ideas to the table and challenge the status quo. From architecture and development through to deployment you'll play a key role in building cutting-edge solutions by developing .NET microservices and dynamic Angular front-end applications (we can consider React cross-training to Angular). Working in a collaborative Agile environment, you'll partner with product owners, QA engineers, and fe
Gatwick (1-2 days per week in office) £65-75k + Benefits. Your new company - This leading financial and consulting business are looking to bolster their engineering team with a Senior Full Stack .Net Developer to join their core team of 16 Devs. You will be working in their state-of-the-art offices near to Gatwick/Crawley and will be required to work 1-2 days per week in the office. Your new role - This is a full-stack, full software lifecycle role where Devs are encouraged to bring ideas to the table and challenge the status quo. From architecture and development through to deployment you'll play a key role in building cutting-edge solutions by developing .NET microservices and dynamic Angular front-end applications (we can consider React cross-training to Angular). Working in a collaborative Agile environment, you'll partner with product owners, QA engineers, and fe
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Full Stack .Net Developer (Angular v20/.Net 8 Microservices)
Full Stack .Net Developer (Angular v20/.Net 8 Microservices)
Hays
Gatwick (RH6)
£40000 - £55000 per annum + £40-55k + Benefits
Full Stack .Net Developer (Angular v20 and .NET 8 Microservices) Gatwick (2 days per week in office) £40-55k + Benefits. Your new company - This leading financial and consulting business are looking to bolster their engineering team with a Full Stack .Net Developer to join their core team of 16 Devs. You will be working in their state-of-the-art offices near to Gatwick/Crawley and will be required to work 2 days per week in the office. Your new role - This is a full-stack, full software lifecycle role where Devs are encouraged to bring ideas to the table and challenge the status quo. From architecture and development through to deployment you'll play a key role in building cutting-edge solutions by developing .NET microservices and dynamic Angular front-end applications. Working in a collaborative Agile environment, you'll partner with product owners, QA engineers, an
Full Stack .Net Developer (Angular v20 and .NET 8 Microservices) Gatwick (2 days per week in office) £40-55k + Benefits. Your new company - This leading financial and consulting business are looking to bolster their engineering team with a Full Stack .Net Developer to join their core team of 16 Devs. You will be working in their state-of-the-art offices near to Gatwick/Crawley and will be required to work 2 days per week in the office. Your new role - This is a full-stack, full software lifecycle role where Devs are encouraged to bring ideas to the table and challenge the status quo. From architecture and development through to deployment you'll play a key role in building cutting-edge solutions by developing .NET microservices and dynamic Angular front-end applications. Working in a collaborative Agile environment, you'll partner with product owners, QA engineers, an
236 exact matches jobs are outside your preferred location
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Full Stack Engineer TypeScript API React
Full Stack Engineer TypeScript API React
Client Server
Shoreditch, East London (E1), EC2A
£50000 - £60000 per annum + benefits
Full Stack Engineer / Developer (TypeScript API React) London / WFH to £60k - Apply now to find out more about this Full Stack Engineer / Developer (TypeScript API React) opportunity.
Full Stack Engineer / Developer (TypeScript API React) London / WFH to £60k - Apply now to find out more about this Full Stack Engineer / Developer (TypeScript API React) opportunity.
NEWPREMIUM
Senior Backend Engineer TypeScript Node API
Senior Backend Engineer TypeScript Node API
Client Server
The City, City of London (EC4), EC2V
£85000 - £100000 per annum + shares + benefits
Senior Backend Engineer / Developer (TypeScript Node API) London / WFH to £100k
Senior Backend Engineer / Developer (TypeScript Node API) London / WFH to £100k
PREMIUM
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Solid understanding of REST API development, integrations, and modern application architecture.
Solid understanding of REST API development, integrations, and modern application architecture.
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Champion best practices across testing disciplines including unit, integration, UI, API, and performance * Knowledge of web, mobile, API/microservices testing and contract testing (e.g. PACT)
Champion best practices across testing disciplines including unit, integration, UI, API, and performance * Knowledge of web, mobile, API/microservices testing and contract testing (e.g. PACT)
PREMIUM
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The successful candidate will demonstrate significant expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. * Design and implement scalable technology solutions using Web API, Azure App Service, and .NET Core to satisfy business requirements and enhance operational efficiency. * Define architectural patterns for microservices and API management. Azure API Development * Develop and maintain APIs using Azure API Management, Web API, and .NET Core to enable secure and efficient integrations. * Ensure API performance, security, and compliance with best practices. * Monitor and optimize application and API performance using Azure Monitor, Application Insights, and Log Analytics. * Expertise in Mic
The successful candidate will demonstrate significant expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. * Design and implement scalable technology solutions using Web API, Azure App Service, and .NET Core to satisfy business requirements and enhance operational efficiency. * Define architectural patterns for microservices and API management. Azure API Development * Develop and maintain APIs using Azure API Management, Web API, and .NET Core to enable secure and efficient integrations. * Ensure API performance, security, and compliance with best practices. * Monitor and optimize application and API performance using Azure Monitor, Application Insights, and Log Analytics. * Expertise in Mic
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Senior .Net Integration Developer
Senior .Net Integration Developer
Rise Technical
Maidenhead, Berkshire
£50000.00 - £70000.00 per annum + + Training + Holiday
You will use your expertise in C#/.NET and modern APIs (REST, WebAPI, JSON, OAuth2) to build fault-tolerant, event-driven integrations, support customers and partners with API usage, and deliver clear, high-quality documentation while maintaining security, GDPR compliance, and operational reliability. Taking integration leadership, you will design and maintain well-documented financial and third-party integrations built on modern API standards. * Support customers and partners with integration setup and API usage
You will use your expertise in C#/.NET and modern APIs (REST, WebAPI, JSON, OAuth2) to build fault-tolerant, event-driven integrations, support customers and partners with API usage, and deliver clear, high-quality documentation while maintaining security, GDPR compliance, and operational reliability. Taking integration leadership, you will design and maintain well-documented financial and third-party integrations built on modern API standards. * Support customers and partners with integration setup and API usage
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Significant expertise in API integration, containerisation, microservices and cloud platforms (AWS, O365, GCP)
Significant expertise in API integration, containerisation, microservices and cloud platforms (AWS, O365, GCP)
Analyse technical capabilities, integrations, and API readiness.
Analyse technical capabilities, integrations, and API readiness.
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Translate complex business requirements into detailed technical specifications, architectural designs, and API contracts. o Create and maintain comprehensive technical documentation, including code documentation, system designs, and API specifications. o 5+ years of experience in software development, with significant experience in cloud-based application development and API design. o Familiarity with cloud services relevant to application development (e.g., Azure Webapps, Azure Functions, Azure API Management, Azure Cosmos DB, Azure Databricks, Azure ML services for model consumption).
Translate complex business requirements into detailed technical specifications, architectural designs, and API contracts. o Create and maintain comprehensive technical documentation, including code documentation, system designs, and API specifications. o 5+ years of experience in software development, with significant experience in cloud-based application development and API design. o Familiarity with cloud services relevant to application development (e.g., Azure Webapps, Azure Functions, Azure API Management, Azure Cosmos DB, Azure Databricks, Azure ML services for model consumption).
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Operating in a rapidly evolving logistics sector, they will leverage cutting-edge Azure PaaS technologies (App Services, Functions, API Management, etc.) to drive efficiency, reliability, and innovation across high-impact national projects. * Experience with microservices architecture and API Management.
Operating in a rapidly evolving logistics sector, they will leverage cutting-edge Azure PaaS technologies (App Services, Functions, API Management, etc.) to drive efficiency, reliability, and innovation across high-impact national projects. * Experience with microservices architecture and API Management.
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MUST HAVES: Proficient in Flutter / React Native / MAUI, Mobile App Payment Services, strong API consumption, and App security best practices.
MUST HAVES: Proficient in Flutter / React Native / MAUI, Mobile App Payment Services, strong API consumption, and App security best practices.
FEATURED
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APIs: REST API
APIs: REST API
NEWFEATURED
Act as the champion for TMF ODA and Open API principles across Energy Services Platform. Strong experience designing and implementing solutions using TM Forum Open APIs and a deep understanding of the ODA and Open API frameworks - Proficiency in RESTful API design, JSON, OpenAPI/Swagger specifications, microservices architecture, and cloud-native deployment models (Docker, Kubernetes, public/hybrid cloud platforms)
Act as the champion for TMF ODA and Open API principles across Energy Services Platform. Strong experience designing and implementing solutions using TM Forum Open APIs and a deep understanding of the ODA and Open API frameworks - Proficiency in RESTful API design, JSON, OpenAPI/Swagger specifications, microservices architecture, and cloud-native deployment models (Docker, Kubernetes, public/hybrid cloud platforms)
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Strong grasp of databases (SQL/NoSQL) and API integrations
Strong grasp of databases (SQL/NoSQL) and API integrations
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Experience in creating front end and API automated test projects
Experience in creating front end and API automated test projects
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Skilled in building robust, optimized API endpoints.
Skilled in building robust, optimized API endpoints.
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We are looking for a strong Full Stack Developer to deliver a short-term project involving a static website build, API scraping, and structured JSON output. * Develop API scraping scripts to extract structured data reliably * Proven experience building API scrapers (Axios, Puppeteer, BeautifulSoup, Cheerio, or similar) * Knowledge of API rate limits and bypass methods
We are looking for a strong Full Stack Developer to deliver a short-term project involving a static website build, API scraping, and structured JSON output. * Develop API scraping scripts to extract structured data reliably * Proven experience building API scrapers (Axios, Puppeteer, BeautifulSoup, Cheerio, or similar) * Knowledge of API rate limits and bypass methods
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Applications Support Analyst / Engineer
Applications Support Analyst / Engineer
Kudos Partners
Datchet Common, Slough (SL3), SL3
£75,000 per annum plus 12% bonus - generous benefits package
API support and monitoring tools (e.g., SolarWinds, AzureAppInsights)
API support and monitoring tools (e.g., SolarWinds, AzureAppInsights)
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Proficiency in API development, integration testing, and cross-platform troubleshooting.
Proficiency in API development, integration testing, and cross-platform troubleshooting.
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Optimize inference performance and cost (e.g., model compression, quantization, API optimization).
Optimize inference performance and cost (e.g., model compression, quantization, API optimization).
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3 or more years' experience of technical testing micro services solutions, at a service and API layer specifically * Hands-on understanding and experience with API testing * Ability to develop functional tests, which exercise the UI, API and DB layer
3 or more years' experience of technical testing micro services solutions, at a service and API layer specifically * Hands-on understanding and experience with API testing * Ability to develop functional tests, which exercise the UI, API and DB layer
FEATURED
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Proficient in automation tooling relevant to SAP & developing scripts (API & UI level)
Proficient in automation tooling relevant to SAP & developing scripts (API & UI level)
NEW
Excellent opportunity for an experienced .NET Backend Developer to join a rapidly growing business in London, where you will play a key role in shaping the backend systems, API architecture, and cloud infrastructure that support the company's technology roadmap.
Excellent opportunity for an experienced .NET Backend Developer to join a rapidly growing business in London, where you will play a key role in shaping the backend systems, API architecture, and cloud infrastructure that support the company's technology roadmap.