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35 Permanent API jobs in South Yorkshire + 20 miles
141 exact matches jobs are outside your preferred location
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Our client, a well-established brand in the hospitality and travel industry, is seeking a talented Software Developer to join their collaborative in-house development team. You'll play a key role in delivering and maintaining a high-traffic e-commerce platform while working with the latest technologies in a supportive, growth-focused environment. The Role - You'll be involved in the full development lifecycle - designing, developing, and maintaining web applications built on Umbraco Cloud and .NET Core. This role offers variety, from building new features and integrations to supporting existing systems and contributing to continuous improvement initiatives. Key Responsibilities * Develop and maintain web applications in line with project requirements * Work collaboratively with designers, developers, and business stakeholders
Our client, a well-established brand in the hospitality and travel industry, is seeking a talented Software Developer to join their collaborative in-house development team. You'll play a key role in delivering and maintaining a high-traffic e-commerce platform while working with the latest technologies in a supportive, growth-focused environment. The Role - You'll be involved in the full development lifecycle - designing, developing, and maintaining web applications built on Umbraco Cloud and .NET Core. This role offers variety, from building new features and integrations to supporting existing systems and contributing to continuous improvement initiatives. Key Responsibilities * Develop and maintain web applications in line with project requirements * Work collaboratively with designers, developers, and business stakeholders
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Principal Back-End Developer - Manchester City Centre
Principal Back-End Developer - Manchester City Centre
Searchability (UK) Ltd
Manchester (M1), M1
£70000 - £80000 per annum + Pension, 25 days holiday, Profit Share
Join a developer-led culture where innovation meets impact. Our client is looking for a visionary Principal Back-End Developer to help shape the future of their SaaS platform. You'll set the technical direction, drive cutting-edge development, and mentor a talented team-all while delivering high-quality, resilient services that make a real difference. * Lead back-end architecture and strategy, aligning tech with business goals. * Build and deliver scalable, high-performing SaaS products. * Mentor and grow a passionate development team. * Refine processes and explore tools that boost efficiency. * Mastery of C# (.NET 6+), SQL Server, and TDD (NUnit). * Expertise in RESTful and GraphQL APIs, Git, and SOLID principles. * Strategic thinking, strong communication, and a love for collaboration. * Bonus: Experience with Azure, DevOps, Entity Framework, and observability prac
Join a developer-led culture where innovation meets impact. Our client is looking for a visionary Principal Back-End Developer to help shape the future of their SaaS platform. You'll set the technical direction, drive cutting-edge development, and mentor a talented team-all while delivering high-quality, resilient services that make a real difference. * Lead back-end architecture and strategy, aligning tech with business goals. * Build and deliver scalable, high-performing SaaS products. * Mentor and grow a passionate development team. * Refine processes and explore tools that boost efficiency. * Mastery of C# (.NET 6+), SQL Server, and TDD (NUnit). * Expertise in RESTful and GraphQL APIs, Git, and SOLID principles. * Strategic thinking, strong communication, and a love for collaboration. * Bonus: Experience with Azure, DevOps, Entity Framework, and observability prac
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Application Software Engineer - Mid-Level
Application Software Engineer - Mid-Level
Nextech Group Limited
Manchester (M1)
£45000 - £55000 per annum
Manchester (Hybrid - 3 days a week) £45,000 - £55,000 per year - We are looking for a mid-level Application Software Engineer to join our Manchester team. You will develop web and enterprise applications using Java, TypeScript, and React. This is a fantastic opportunity for developers with 2-5 years of experience to work on innovative projects in a collaborative, hybrid environment. * Develop and maintain web applications using Java, TypeScript, and React. * Work with product owners, designers, and QA to deliver high-quality solutions. * Write clean, reusable, and well-documented code following best practices. * Participate in code reviews, testing, and Agile ceremonies. * Troubleshoot and resolve software defects efficiently. * Collaborate with cross-functional teams to implement new features and improve existing ones.
Manchester (Hybrid - 3 days a week) £45,000 - £55,000 per year - We are looking for a mid-level Application Software Engineer to join our Manchester team. You will develop web and enterprise applications using Java, TypeScript, and React. This is a fantastic opportunity for developers with 2-5 years of experience to work on innovative projects in a collaborative, hybrid environment. * Develop and maintain web applications using Java, TypeScript, and React. * Work with product owners, designers, and QA to deliver high-quality solutions. * Write clean, reusable, and well-documented code following best practices. * Participate in code reviews, testing, and Agile ceremonies. * Troubleshoot and resolve software defects efficiently. * Collaborate with cross-functional teams to implement new features and improve existing ones.
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Manchester (Hybrid - 3 days in office) £35,000 - £42,000 per year - We're looking for a motivated Junior Application Software Engineer to join a collaborative software team in Manchester. This role is perfect for someone with a solid foundation in Java, TypeScript, and React, looking to grow their career and gain exposure to full-stack development, cloud technologies, and agile delivery. * Develop and maintain web applications using Java, TypeScript, and React * Assist in the design and implementation of software solutions in a collaborative team environment * Write clean, efficient, and well-tested code * Participate in code reviews, testing, and troubleshooting * Collaborate with senior engineers to learn and adopt best practices * Contribute to continuous improvement of development processes * Basic experience with Java * Experience with TypeScript * Experience wit
Manchester (Hybrid - 3 days in office) £35,000 - £42,000 per year - We're looking for a motivated Junior Application Software Engineer to join a collaborative software team in Manchester. This role is perfect for someone with a solid foundation in Java, TypeScript, and React, looking to grow their career and gain exposure to full-stack development, cloud technologies, and agile delivery. * Develop and maintain web applications using Java, TypeScript, and React * Assist in the design and implementation of software solutions in a collaborative team environment * Write clean, efficient, and well-tested code * Participate in code reviews, testing, and troubleshooting * Collaborate with senior engineers to learn and adopt best practices * Contribute to continuous improvement of development processes * Basic experience with Java * Experience with TypeScript * Experience wit
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Senior Front End Engineer - React
Senior Front End Engineer - React
Daniel James Resourcing Ltd
Baring Street Ind Est, Manchester (M1), M1
£65000 - £75000 per annum, Benefits Exceptional benefits
Manchester / Hybrid - Up to £70,000 + excellent benefits - Build Products That Scale. Shape the Future of Engineering. Were partnering with a global digital platform business on the hunt for a Senior Front-End Engineer (React) to join a high-performing engineering team building complex, high-traffic applications used by millions. This is a modern environment where engineering standards matter youll work with React, TypeScript, and Azure-based microservices in a product-led setup that values autonomy, clean code, and great UX. Youll be joining a cross-functional team that blends speed and quality, shipping products that solve real customer problems at scale. Expect modern tooling, CI/CD pipelines, and a culture that gives engineers space to challenge, experiment, and deliver. What Youll Be Doing * Designing and building performant, scalable, and intuitive UIs using Rea
Manchester / Hybrid - Up to £70,000 + excellent benefits - Build Products That Scale. Shape the Future of Engineering. Were partnering with a global digital platform business on the hunt for a Senior Front-End Engineer (React) to join a high-performing engineering team building complex, high-traffic applications used by millions. This is a modern environment where engineering standards matter youll work with React, TypeScript, and Azure-based microservices in a product-led setup that values autonomy, clean code, and great UX. Youll be joining a cross-functional team that blends speed and quality, shipping products that solve real customer problems at scale. Expect modern tooling, CI/CD pipelines, and a culture that gives engineers space to challenge, experiment, and deliver. What Youll Be Doing * Designing and building performant, scalable, and intuitive UIs using Rea
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API Design: Familiarity with best practices for REST and GraphQL API design.
API Design: Familiarity with best practices for REST and GraphQL API design.
NEWFEATURED
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Lead QA Automation Engineer, C#, Home Based
Lead QA Automation Engineer, C#, Home Based
Fdo Consulting Limited
Manchester, Greater Manchester, M1
£55000 - £68000 per annum + home based + benefits
Strong Automation, API, C#, and mentoring / management skills required. * API Testing * Very strong API testing. This is a great role for a candidate who has very strong C#, API testing and automation.
Strong Automation, API, C#, and mentoring / management skills required. * API Testing * Very strong API testing. This is a great role for a candidate who has very strong C#, API testing and automation.
API Testing experience using Postman
API Testing experience using Postman
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Understanding of API development (FastAPI) and scalable, high-performance system design.
Understanding of API development (FastAPI) and scalable, high-performance system design.
NEWPREMIUM
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Product Owner
Product Owner
Daniel James Resourcing Ltd
Manchester, Greater Manchester, M1 3BN
£50000 - £55000 per annum
Working on data, analytics, or API-driven products.
Working on data, analytics, or API-driven products.
Familiarity with AWS services such as API Gateway, Lambda, and CloudWatch
Familiarity with AWS services such as API Gateway, Lambda, and CloudWatch
Senior Test Engineer (Automation)
Senior Test Engineer (Automation)
Daniel James Resourcing Ltd
Manchester, Greater Manchester, M60 7RA
£65000 - £70000 per annum
Developing automated test suites using C#, Playwright/Cypress, and RestSharp for web and API testing. * Strong experience in automation testing within modern web and API environments.
Developing automated test suites using C#, Playwright/Cypress, and RestSharp for web and API testing. * Strong experience in automation testing within modern web and API environments.
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Data exchange and processing skills (e.g. ETL, ESB, API...)
Data exchange and processing skills (e.g. ETL, ESB, API...)
FEATURED
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API development experience
API development experience
FEATURED
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Experience with Azure API Management, including policy configuration and integration with Front Door and/or Application Gateway.
Experience with Azure API Management, including policy configuration and integration with Front Door and/or Application Gateway.
Design, develop, and deliver custom solutions within Planon's API framework.
Design, develop, and deliver custom solutions within Planon's API framework.
FEATURED
Design, develop, and deliver custom solutions within Planon's API framework.
Design, develop, and deliver custom solutions within Planon's API framework.
FEATURED
Design, develop, and deliver custom solutions within Planon's API framework.
Design, develop, and deliver custom solutions within Planon's API framework.
FEATURED
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API Development
API Development
Build and maintain API integrations with upstream systems and data sources using established integration patterns. * Experience or clear interest in API design, development, and integration (REST, GraphQL, OAuth2, webhooks). * Exposure to Microsoft 365 Co-Pilot, Power Automate, or Graph API integrations.
Build and maintain API integrations with upstream systems and data sources using established integration patterns. * Experience or clear interest in API design, development, and integration (REST, GraphQL, OAuth2, webhooks). * Exposure to Microsoft 365 Co-Pilot, Power Automate, or Graph API integrations.
Strong database and API development experience
Strong database and API development experience
Head of Finance Systems & Data
Head of Finance Systems & Data
Cambridge & Counties Bank Ltd
Leicester, Leicestershire
£80,000 - £100,000 a year
Technical Expertise: ERP (Workday), TM1, BI tools, API integration, automation.
Technical Expertise: ERP (Workday), TM1, BI tools, API integration, automation.
Extensive and demonstrable experience in successfully managing projects across both front-end and back-end digital technologies and API ecosystems, ensuring scalable, secure, and performant digital consumer experiences.
Extensive and demonstrable experience in successfully managing projects across both front-end and back-end digital technologies and API ecosystems, ensuring scalable, secure, and performant digital consumer experiences.
Working knowledge of Python for automation or data handling (e.g. pandas, basic API calls)
Working knowledge of Python for automation or data handling (e.g. pandas, basic API calls)
Engineering Software Developer (Building Services)
Engineering Software Developer (Building Services)
WSP UK Limited
Manchester, Greater Manchester
Competitive
Experience of .NET/C# with the Revit API.
Experience of .NET/C# with the Revit API.