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- City Centre, Manchester (M2)
- Knott Mill
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33 Permanent API jobs in South Yorkshire + 20 miles
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Software Developer (API/Java Microservices)
Software Developer (API/Java Microservices)
Yorkshire Building Society (YBS)
Leeds, West Yorkshire, LS1 8EQ
Up to £55,000 Dependent on Experience + Bonus & Benefits
We are looking for an API & Microservices - Software Development Engineer to join a squad in our Digital Tribe. As Software Development Engineer API & Microservices, youll design, develop, document, and create test automation of software and configuration that delivers value to YBS customers. o Restful Design, working with API Gateway products - Azure
We are looking for an API & Microservices - Software Development Engineer to join a squad in our Digital Tribe. As Software Development Engineer API & Microservices, youll design, develop, document, and create test automation of software and configuration that delivers value to YBS customers. o Restful Design, working with API Gateway products - Azure
FEATURED
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Build and maintain an automated test framework and suites for API, event, and graph-based services (Python/PyTest). Perform API automation, contract testing, and replay/reprocessing scenarios.
Build and maintain an automated test framework and suites for API, event, and graph-based services (Python/PyTest). Perform API automation, contract testing, and replay/reprocessing scenarios.
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Design, build, and maintain automated test frameworks (unit, integration, API, contract, E2E) * API, contract, integration testing, including asynchronous messaging (e.g., Kafka)
Design, build, and maintain automated test frameworks (unit, integration, API, contract, E2E) * API, contract, integration testing, including asynchronous messaging (e.g., Kafka)
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Contract Details * Location: Sheffield 3 days onsite per week (mandatory) Grosvenor House, 1 Wellington St, Sheffield City Centre, Sheffield S1 4NB * Contract Duration: Until 30/11/2026 * Rate:£500 per day * IR35 Status:Inside IR35 - Role Overview - We are seeking a Senior Full-Stack AI Engineer to build an end-to-end AI-powered helpdesk product, spanning web applications, backend APIs, agent orchestration, and enterprise workflow automation. The successful contractor will work across the full product lifecycle, delivering scalable and secure AI-enabled support solutions for enterprise users. Key Responsibilities * Design and develop user-facing applications for employees, support agents, and administrators. o Chat interfaces - o Ticket submission - o Status tracking - o Escalation workflows - o Password resets - o Account unlocks - o Software access requests - o Knowledge-based troubleshooting
Contract Details * Location: Sheffield 3 days onsite per week (mandatory) Grosvenor House, 1 Wellington St, Sheffield City Centre, Sheffield S1 4NB * Contract Duration: Until 30/11/2026 * Rate:£500 per day * IR35 Status:Inside IR35 - Role Overview - We are seeking a Senior Full-Stack AI Engineer to build an end-to-end AI-powered helpdesk product, spanning web applications, backend APIs, agent orchestration, and enterprise workflow automation. The successful contractor will work across the full product lifecycle, delivering scalable and secure AI-enabled support solutions for enterprise users. Key Responsibilities * Design and develop user-facing applications for employees, support agents, and administrators. o Chat interfaces - o Ticket submission - o Status tracking - o Escalation workflows - o Password resets - o Account unlocks - o Software access requests - o Knowledge-based troubleshooting
FEATURED
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Engage confidently with third-party software developers, portal and API suppliers, and automation vendors — pushing back where needed
Engage confidently with third-party software developers, portal and API suppliers, and automation vendors — pushing back where needed
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Our client based in Sheffield is seeking an experienced Lead Software Developer to join their growing engineering team. This is an excellent opportunity for a senior technologist who combines hands-on software development expertise with strong technical leadership skills. Working within a modern cloud-first environment, you will lead the design, development, and evolution of business-critical applications and services built on Microsoft technologies. You will play a key role in shaping technical direction, driving engineering best practices, mentoring developers, and ensuring the successful delivery of high-quality software solutions. Key Responsibilities * Lead the design, development, and delivery of scalable backend services using C# and the latest .NET technologies (.NET 8, ASP.NET Core) * Define and influence software architecture, technical standards, and development ...
Our client based in Sheffield is seeking an experienced Lead Software Developer to join their growing engineering team. This is an excellent opportunity for a senior technologist who combines hands-on software development expertise with strong technical leadership skills. Working within a modern cloud-first environment, you will lead the design, development, and evolution of business-critical applications and services built on Microsoft technologies. You will play a key role in shaping technical direction, driving engineering best practices, mentoring developers, and ensuring the successful delivery of high-quality software solutions. Key Responsibilities * Lead the design, development, and delivery of scalable backend services using C# and the latest .NET technologies (.NET 8, ASP.NET Core) * Define and influence software architecture, technical standards, and development ...
FEATURED
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Exposure to API and integration testing
Exposure to API and integration testing
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Automation & Software Developer
Automation & Software Developer
Equals One Ltd
Hunslet Business Park, Leeds (LS10), LS10
From £26,000 to £32,000 per annum + Benefits
Build and maintain API integrations, webhooks and automation workflows
Build and maintain API integrations, webhooks and automation workflows
Dataverse Web API / SDK
Dataverse Web API / SDK
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At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the industry. Rockstar is on the lookout for a passionate Senior Software Engineer who is skilled at hands on development. This is a full-time, permanent and in-office position based in Rockstars unique game development studio in the heart of Leeds, England. * The Rockstar Games Information Systems team create and maintain production software tools that are used by all game development disciplines to support the creation of all Rockstar Games projects. * The tools we build range from task management software, defect trackers with games console ...
At Rockstar Games, we create world-class entertainment experiences. Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the industry. Rockstar is on the lookout for a passionate Senior Software Engineer who is skilled at hands on development. This is a full-time, permanent and in-office position based in Rockstars unique game development studio in the heart of Leeds, England. * The Rockstar Games Information Systems team create and maintain production software tools that are used by all game development disciplines to support the creation of all Rockstar Games projects. * The tools we build range from task management software, defect trackers with games console ...
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If you enjoy taking ownership of business-critical systems and seeing the direct impact of your work, this Software Developer opportunity offers the chance to make a genuine difference within a fast-moving operational environment. You'll work across a diverse technology estate, helping to enhance, integrate and evolve software that sits at the heart of day-to-day business performance. What's in it for you * Five-month contract with immediate impact across multiple business systems * Hybrid and remote working with flexibility around site visits * Exposure to a varied technology stack including PHP, MySQL, Python and AWS * Opportunity to work on software that directly supports operational success * Broad project involvement spanning integrations, reporting and automation * Chance to influence improvements within a growing and evolving environment
If you enjoy taking ownership of business-critical systems and seeing the direct impact of your work, this Software Developer opportunity offers the chance to make a genuine difference within a fast-moving operational environment. You'll work across a diverse technology estate, helping to enhance, integrate and evolve software that sits at the heart of day-to-day business performance. What's in it for you * Five-month contract with immediate impact across multiple business systems * Hybrid and remote working with flexibility around site visits * Exposure to a varied technology stack including PHP, MySQL, Python and AWS * Opportunity to work on software that directly supports operational success * Broad project involvement spanning integrations, reporting and automation * Chance to influence improvements within a growing and evolving environment
NEWFEATURED
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Senior DevOps Engineer - Pay up to £80,664 plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. This is a real and significant DevOps leadership role in the UK's largest government department. Here you will have the freedom and autonomy to drive the development of our technical landscape and define what DevOps looks like in DWP - Digital with Purpose. You'll be a leading, expert voice in a DWP Digital community that is driving a once-in-a-generation transformation of public services. We have a unique purpose, putting better, more efficient services in the hands of DWP users. * We have 1bn lines of code in over 12,000 code repos and 90+ programming languages. * We run around 294 days' worth of testing every day through automation. * Our APIs receive 173 million requests, and we spin up 280,000 AWS servers every month.
Senior DevOps Engineer - Pay up to £80,664 plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. This is a real and significant DevOps leadership role in the UK's largest government department. Here you will have the freedom and autonomy to drive the development of our technical landscape and define what DevOps looks like in DWP - Digital with Purpose. You'll be a leading, expert voice in a DWP Digital community that is driving a once-in-a-generation transformation of public services. We have a unique purpose, putting better, more efficient services in the hands of DWP users. * We have 1bn lines of code in over 12,000 code repos and 90+ programming languages. * We run around 294 days' worth of testing every day through automation. * Our APIs receive 173 million requests, and we spin up 280,000 AWS servers every month.
Senior DevOps Engineer - Pay up to £80,664 plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. This is a real and significant DevOps leadership role in the UK's largest government department. Here you will have the freedom and autonomy to drive the development of our technical landscape and define what DevOps looks like in DWP - Digital with Purpose. You'll be a leading, expert voice in a DWP Digital community that is driving a once-in-a-generation transformation of public services. We have a unique purpose, putting better, more efficient services in the hands of DWP users. * We have 1bn lines of code in over 12,000 code repos and 90+ programming languages. * We run around 294 days' worth of testing every day through automation. * Our APIs receive 173 million requests, and we spin up 280,000 AWS servers every month.
Senior DevOps Engineer - Pay up to £80,664 plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. This is a real and significant DevOps leadership role in the UK's largest government department. Here you will have the freedom and autonomy to drive the development of our technical landscape and define what DevOps looks like in DWP - Digital with Purpose. You'll be a leading, expert voice in a DWP Digital community that is driving a once-in-a-generation transformation of public services. We have a unique purpose, putting better, more efficient services in the hands of DWP users. * We have 1bn lines of code in over 12,000 code repos and 90+ programming languages. * We run around 294 days' worth of testing every day through automation. * Our APIs receive 173 million requests, and we spin up 280,000 AWS servers every month.
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Elevation Recruitment Group are working with a growing business on an exciting fixed-term engagement to support the optimisation and rollout of its core platforms Oracle NetSuite. This is a hands-on role sitting at the intersection of IT and business operations, working closely with Finance, Sales, Operations and Account Management to make sure these systems are configured, stable, and embedded for the long term. * Administering and optimise NetSuite across modules including SA, GL, AR, AP, FAM, CRM, WMS, Projects and more * Conduct structured process reviews with business teams and translate requirements into system design and configuration * Build and maintain dashboards, saved searches, and reports that drive genuine business insight * Support ETL activities and oversee integrations with internal and third-party platforms
Elevation Recruitment Group are working with a growing business on an exciting fixed-term engagement to support the optimisation and rollout of its core platforms Oracle NetSuite. This is a hands-on role sitting at the intersection of IT and business operations, working closely with Finance, Sales, Operations and Account Management to make sure these systems are configured, stable, and embedded for the long term. * Administering and optimise NetSuite across modules including SA, GL, AR, AP, FAM, CRM, WMS, Projects and more * Conduct structured process reviews with business teams and translate requirements into system design and configuration * Build and maintain dashboards, saved searches, and reports that drive genuine business insight * Support ETL activities and oversee integrations with internal and third-party platforms
FEATURED
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Full-Stack java Cloud Serverless Engineer (AWS)
Full-Stack java Cloud Serverless Engineer (AWS)
Velocity Talent Ltd
Leeds (LS1)
From £55,000 to £80,000 per annum £55,000 to £80,000 – Depending on e
We dont just build applications; we architect modern, scalable cloud ecosystems. We are looking for a Full-Stack java Cloud Serverless Engineer (AWS) who thrives at the intersection of slick frontend experiences, robust backend logic, and cloud-native AWS infrastructure. If you are tired of being boxed into just writing code and want to truly own the deployment pipeline, infrastructure, and application architecture, this is your next move. What Youll Own * Build & Scale: Design and deploy high-performance backend APIs and dynamic, responsive frontends. * Architect the Cloud: Ship production-ready code directly into AWS, leveraging modern cloud-native architectures. * Own the Pipeline: Champion DevOps best practices, ensuring seamless CI/CD automation from local machine to live production. * Innovate: Eliminate legacy bottlenecks and introduce modern, scalable tech choices.
We dont just build applications; we architect modern, scalable cloud ecosystems. We are looking for a Full-Stack java Cloud Serverless Engineer (AWS) who thrives at the intersection of slick frontend experiences, robust backend logic, and cloud-native AWS infrastructure. If you are tired of being boxed into just writing code and want to truly own the deployment pipeline, infrastructure, and application architecture, this is your next move. What Youll Own * Build & Scale: Design and deploy high-performance backend APIs and dynamic, responsive frontends. * Architect the Cloud: Ship production-ready code directly into AWS, leveraging modern cloud-native architectures. * Own the Pipeline: Champion DevOps best practices, ensuring seamless CI/CD automation from local machine to live production. * Innovate: Eliminate legacy bottlenecks and introduce modern, scalable tech choices.
Our client based in Sheffield is looking for a skilled C# .NET Developer to join a small, collaborative engineering team working on modern cloud-based applications. This is a hands-on development role where you will contribute across the full software lifecycle, including maintenance, enhancements, and the delivery of new features. You will be working with modern Microsoft technologies in a cloud-first environment, helping to build and evolve scalable backend services and APIs that support business-critical systems. Key Responsibilities * Design, develop, and maintain high-quality backend services using C# and the latest .NET technologies (.NET 8, ASP.NET Core) * Build and enhance RESTful APIs to support internal and external applications * Work with Azure cloud services including App Services, Azure Functions, and storage solutions
Our client based in Sheffield is looking for a skilled C# .NET Developer to join a small, collaborative engineering team working on modern cloud-based applications. This is a hands-on development role where you will contribute across the full software lifecycle, including maintenance, enhancements, and the delivery of new features. You will be working with modern Microsoft technologies in a cloud-first environment, helping to build and evolve scalable backend services and APIs that support business-critical systems. Key Responsibilities * Design, develop, and maintain high-quality backend services using C# and the latest .NET technologies (.NET 8, ASP.NET Core) * Build and enhance RESTful APIs to support internal and external applications * Work with Azure cloud services including App Services, Azure Functions, and storage solutions
FEATURED
Languages & Frameworks: C#, .NET Core, ASP.NET Core MVC, Web API
Languages & Frameworks: C#, .NET Core, ASP.NET Core MVC, Web API
NEWFEATURED
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.Net Developer
.Net Developer
Crowd Link Consulting Ltd
Leeds (LS1)
From £40,000 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
Experience with Java (Springboot) and AWS cloud services (ECR, ECS, Lambda, API Gateway, S3, DynamoDB, Step Functions, Apigee)
Experience with Java (Springboot) and AWS cloud services (ECR, ECS, Lambda, API Gateway, S3, DynamoDB, Step Functions, Apigee)
Principal Engineer - Savings Service
Principal Engineer - Savings Service
Yorkshire Building Society (YBS)
Bradford, West Yorkshire, BD5 8LJ
Up to £65,000 Dependant on Experience + Bonus & Benefits
Restful Design, working with API Gateway products - Azure
Restful Design, working with API Gateway products - Azure
FEATURED
Azure:Azure SQL, Azure Entra ID, Azure DevOps, Azure Container Apps,API Management Services, Azure Functions
Azure:Azure SQL, Azure Entra ID, Azure DevOps, Azure Container Apps,API Management Services, Azure Functions
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Technical IT project Manager
Technical IT project Manager
DFS Furniture Ltd
Adwick, Doncaster (DN6), DN6 7NA
Competitive salary based on skills and experience
Previous experience managing migrations or API integrations between legacy financial systems and modern platforms.
Previous experience managing migrations or API integrations between legacy financial systems and modern platforms.
PREMIUM
Experience with cloud services, API design, database architecture, big data tools and frameworks * Cloud services experience with AWS strongly preferred (EC2, ECS, Lambda, API Gateway, S3, DynamoDB, RDS) * API and service design: REST,gRPC,GraphQL; versioning and backward compatibility at scale
Experience with cloud services, API design, database architecture, big data tools and frameworks * Cloud services experience with AWS strongly preferred (EC2, ECS, Lambda, API Gateway, S3, DynamoDB, RDS) * API and service design: REST,gRPC,GraphQL; versioning and backward compatibility at scale
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Build and maintain the integrations, MCP builds, API connections and infrastructure that sit beneath and around our GenAI platform
Build and maintain the integrations, MCP builds, API connections and infrastructure that sit beneath and around our GenAI platform
Senior Machine Learning Test Engineer United Kingdom
Senior Machine Learning Test Engineer United Kingdom
Autodesk Ltd
Sheffield, South Yorkshire
Competitive
API Testing
API Testing
Related Jobs
Locations
- City Centre, Manchester (M2)
- Knott Mill
- Salford Quays
- Adwick
- England Springs
- Hunslet Business Park
- Kelham Island
- Park Hill
- Skelmanthorpe
- Upperthorpe
- Manchester
- Leeds
- Nottingham
- Sheffield
- York
- Salford
- Bradford
- Doncaster
- Leicester
- Beverley
- Greater Manchester
- West Yorkshire
- Nottinghamshire
- South Yorkshire
- North Yorkshire
- Leicestershire
- Cheshire
- Derbyshire
- East Riding
- North West
- Yorkshire
- East Midlands
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