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        69 API jobs in South Yorkshire + 20 miles

        Lead Test Engineer

        Indotronix Avani UK Ltd
        Leeds (LS9), LS2
        Unspecified
        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)
        more

        Senior Back End Developer

        Oscar Associates (UK) Limited
        Leeds (LS1)
        £55000 - £65000 per annum
        You'll be instrumental in evolving a bespoke API and supporting a platform used at scale. * Lead backend development and take ownership of API architecture * Develop new API endpoints and enhance existing functionality
        You'll be instrumental in evolving a bespoke API and supporting a platform used at scale. * Lead backend development and take ownership of API architecture * Develop new API endpoints and enhance existing functionality
        more

        Senior Software Engineer

        Fruition Group
        Leeds (LS1), LS1
        £60000 - £70000 per annum + Benefits
        The Senior Software Engineer you will be responsible for developing a SaaS product, enhancing features and the developing API's / Microservices. * Develop API's / Microservices
        The Senior Software Engineer you will be responsible for developing a SaaS product, enhancing features and the developing API's / Microservices. * Develop API's / Microservices
        more

        Senior Full-Stack AI Engineer

        Stealth IT Consulting Limited
        Sheffield (S1)
        £500 per day inside IR35
        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
        more
        FEATURED

        Software Developer

        Oscar Associates (UK) Limited
        Leeds (LS1)
        £40000 - £50000 per annum
        Cloud: AWS (Lambda, API Gateway) * Architecture: API-led, highly integrated systems * Exposure to AWS services (Lambda, API Gateway, etc.)
        Cloud: AWS (Lambda, API Gateway) * Architecture: API-led, highly integrated systems * Exposure to AWS services (Lambda, API Gateway, etc.)
        more

        CHECK or CREST Penetration Tester

        Oscar Associates (UK) Limited
        Leeds (LS1)
        £40000 - £45000 per annum
        Carry out web application, API, and infrastructure penetration tests, taking ownership of engagements from scoping through to final report delivery. * Hands-on experience delivering web application, API, and/or infrastructure penetration tests in a professional setting.
        Carry out web application, API, and infrastructure penetration tests, taking ownership of engagements from scoping through to final report delivery. * Hands-on experience delivering web application, API, and/or infrastructure penetration tests in a professional setting.
        more

        CHECK or CREST Penetration Tester

        Oscar Associates (UK) Limited
        Leeds (LS1)
        £40000 - £45000 per annum
        Carry out web application, API, and infrastructure penetration tests, taking ownership of engagements from scoping through to final report delivery. * Hands-on experience delivering web application, API, and/or infrastructure penetration tests in a professional setting.
        Carry out web application, API, and infrastructure penetration tests, taking ownership of engagements from scoping through to final report delivery. * Hands-on experience delivering web application, API, and/or infrastructure penetration tests in a professional setting.
        more

        Head of IT

        Brellis Recruitment
        Mansfield (NG19), NG19
        £50k - 60k per year
        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
        more
        Become part of a mission-driven team building secure, resilient platforms that safeguard the nation's financial system. The Bank of England, in partnership with Inspire People, is seeking a Lead Solution Architect with strong regulatory data-collection expertise, Azure cloud capability and experience delivering complex data-centric platforms to help deliver BEEDS 2.0 (Bank of England Electronic Data Submission portal). Based in Leeds on a 21-month FTC with a competitve salary plus an 8% cash benefits allowance, discretionary annual bonus and a non-contributory pension. Shape the Future of Technology at the UK's Central Bank - The Bank of England plays a vital role in maintaining the nation's monetary and financial stability. BEEDS (the Bank of England Electronic Data Submission portal) is the secure online system that manages regulatory data submissions from banks, insurers ...
        Become part of a mission-driven team building secure, resilient platforms that safeguard the nation's financial system. The Bank of England, in partnership with Inspire People, is seeking a Lead Solution Architect with strong regulatory data-collection expertise, Azure cloud capability and experience delivering complex data-centric platforms to help deliver BEEDS 2.0 (Bank of England Electronic Data Submission portal). Based in Leeds on a 21-month FTC with a competitve salary plus an 8% cash benefits allowance, discretionary annual bonus and a non-contributory pension. Shape the Future of Technology at the UK's Central Bank - The Bank of England plays a vital role in maintaining the nation's monetary and financial stability. BEEDS (the Bank of England Electronic Data Submission portal) is the secure online system that manages regulatory data submissions from banks, insurers ...
        more

        SENIOR FRONTEND ENGINEER

        GAME RETAIL LIMITED
        Shirebrook, Mansfield (NG20)
        Competitive
        Youll be front-end focused, playing a key role in shaping the customer experience across our MACH-based digital platform (Microservices, API-first, Cloud-Native, Headless), which powers 70+ websites and mobile applications across multiple Frasers Group brands.
        Youll be front-end focused, playing a key role in shaping the customer experience across our MACH-based digital platform (Microservices, API-first, Cloud-Native, Headless), which powers 70+ websites and mobile applications across multiple Frasers Group brands.
        more

        Ecommerce Developer

        EVO Group
        Normanton, West Yorkshire, WF6 2TZ
        From £45,000 to £49,999 per annum Competitive
        Evo Group is looking for an Experienced Ecommerce Web Developer to join our Ecommerce Development team based at our Normanton Head Office. This is a fantastic opportunity for a self-motivated, hands-on developer who enjoys variety, ownership, and building scalable ecommerce solutions. Youll play a key role in developing and supporting our ecommerce platforms, helping to enhance revenue streams and improve the digital experience for our customers across B2B and B2C. We currently develop and support six ecommerce trading websites, all hosted internally on our own infrastructure. What youll be doing * Developing new features and enhancements across existing ecommerce websites * Supporting the development of new ecommerce websites and digital services * Working with our in-house ecommerce platform using .NET, JavaScript, HTML, CSS, and SQL
        Evo Group is looking for an Experienced Ecommerce Web Developer to join our Ecommerce Development team based at our Normanton Head Office. This is a fantastic opportunity for a self-motivated, hands-on developer who enjoys variety, ownership, and building scalable ecommerce solutions. Youll play a key role in developing and supporting our ecommerce platforms, helping to enhance revenue streams and improve the digital experience for our customers across B2B and B2C. We currently develop and support six ecommerce trading websites, all hosted internally on our own infrastructure. What youll be doing * Developing new features and enhancements across existing ecommerce websites * Supporting the development of new ecommerce websites and digital services * Working with our in-house ecommerce platform using .NET, JavaScript, HTML, CSS, and SQL
        more

        Shopify Tech Lead - Leeds

        Searchability (UK) Ltd
        Leeds (LS1), LS1
        £45000 - £55000 per annum + Flexible working
        Shopify Tech Lead - Up to £55,000 - We're working with an established digital agency looking for an experienced Shopify Tech Lead to lead complex ecommerce builds for a range of household name clients. This role is ideal for someone from an agency background who enjoys variety, fast-moving projects, and taking ownership of Shopify delivery from discovery through to launch. You'll remain hands-on while acting as the technical lead across multiple projects, setting standards and mentoring developers along the way. You'll work closely with Project Managers, designers, QA, and stakeholders, helping to translate client requirements into robust, high-performing Shopify solutions. * Leading the technical delivery of Shopify projects in an agency environment * Architecting and building custom Shopify themes and solutions * Acting as the Shopify technical authority across projects
        Shopify Tech Lead - Up to £55,000 - We're working with an established digital agency looking for an experienced Shopify Tech Lead to lead complex ecommerce builds for a range of household name clients. This role is ideal for someone from an agency background who enjoys variety, fast-moving projects, and taking ownership of Shopify delivery from discovery through to launch. You'll remain hands-on while acting as the technical lead across multiple projects, setting standards and mentoring developers along the way. You'll work closely with Project Managers, designers, QA, and stakeholders, helping to translate client requirements into robust, high-performing Shopify solutions. * Leading the technical delivery of Shopify projects in an agency environment * Architecting and building custom Shopify themes and solutions * Acting as the Shopify technical authority across projects
        more
        Harvey Nash are working with a growing digital consultancy looking to appoint an experienced Senior Data Architect to lead the design of modern, secure and scalable data solutions for complex client environments. * Proven experience defining enterprise-level data architectures for multiple stakeholders * Strong knowledge of data lakes and data warehousing (e.g. Snowflake, Databricks) * Experience with Azure, AWS or GCP and cloud data migrations * Excellent data modelling skills (ER models, datamarts, data dictionaries, ELT/ETL) * Strong understanding of data governance, security and role-based access control * Confident, client-facing communicator with a pragmatic delivery mindset * Designing data architectures aligned to enterprise data and technical strategies * Creating and maintaining core architecture artefacts and data standards
        Harvey Nash are working with a growing digital consultancy looking to appoint an experienced Senior Data Architect to lead the design of modern, secure and scalable data solutions for complex client environments. * Proven experience defining enterprise-level data architectures for multiple stakeholders * Strong knowledge of data lakes and data warehousing (e.g. Snowflake, Databricks) * Experience with Azure, AWS or GCP and cloud data migrations * Excellent data modelling skills (ER models, datamarts, data dictionaries, ELT/ETL) * Strong understanding of data governance, security and role-based access control * Confident, client-facing communicator with a pragmatic delivery mindset * Designing data architectures aligned to enterprise data and technical strategies * Creating and maintaining core architecture artefacts and data standards
        more

        Senior Software Developer

        Get Recruited (UK) Ltd
        Leeds, West Yorkshire, BBTE
        £38000.00 - £42000.00 per annum
        UP TO £50,000 + GREAT CULTURE + BENEFITS - You'll be joining as an experienced developer, working on live systems, handling sensitive data, maintaining reliable workflows, and making sure the software does what users need it to do without getting in the way. This isn't a role where you just pick up tickets and move on. You'll be expected to think about how the system hangs together, improve existing code, and help keep things stable as changes are made. What We're Looking For * Solid experience working with PHP at a mid or senior level * Strong JavaScript skills, including working with APIs * Good knowledge of MariaDB/MySQL, including database structure and performance * Experience with AWS (e.g. hosting, deployments, or working with cloud-based services) * Experience working on live systems, especially where data sensitivity matters
        UP TO £50,000 + GREAT CULTURE + BENEFITS - You'll be joining as an experienced developer, working on live systems, handling sensitive data, maintaining reliable workflows, and making sure the software does what users need it to do without getting in the way. This isn't a role where you just pick up tickets and move on. You'll be expected to think about how the system hangs together, improve existing code, and help keep things stable as changes are made. What We're Looking For * Solid experience working with PHP at a mid or senior level * Strong JavaScript skills, including working with APIs * Good knowledge of MariaDB/MySQL, including database structure and performance * Experience with AWS (e.g. hosting, deployments, or working with cloud-based services) * Experience working on live systems, especially where data sensitivity matters
        more
        FEATURED

        Senior Software Developer

        Get Recruited (UK) Ltd
        Sheffield, South Yorkshire, BBTE
        £38000.00 - £42000.00 per annum
        UP TO £50,000 + GREAT CULTURE + BENEFITS - You'll be joining as an experienced developer, working on live systems, handling sensitive data, maintaining reliable workflows, and making sure the software does what users need it to do without getting in the way. This isn't a role where you just pick up tickets and move on. You'll be expected to think about how the system hangs together, improve existing code, and help keep things stable as changes are made. What We're Looking For * Solid experience working with PHP at a mid or senior level * Strong JavaScript skills, including working with APIs * Good knowledge of MariaDB/MySQL, including database structure and performance * Experience with AWS (e.g. hosting, deployments, or working with cloud-based services) * Experience working on live systems, especially where data sensitivity matters
        UP TO £50,000 + GREAT CULTURE + BENEFITS - You'll be joining as an experienced developer, working on live systems, handling sensitive data, maintaining reliable workflows, and making sure the software does what users need it to do without getting in the way. This isn't a role where you just pick up tickets and move on. You'll be expected to think about how the system hangs together, improve existing code, and help keep things stable as changes are made. What We're Looking For * Solid experience working with PHP at a mid or senior level * Strong JavaScript skills, including working with APIs * Good knowledge of MariaDB/MySQL, including database structure and performance * Experience with AWS (e.g. hosting, deployments, or working with cloud-based services) * Experience working on live systems, especially where data sensitivity matters
        more
        FEATURED

        Senior Software Developer

        Get Recruited (UK) Ltd
        Barnsley, South Yorkshire, BBTE
        £38000.00 - £42000.00 per annum
        UP TO £50,000 + GREAT CULTURE + BENEFITS - You'll be joining as an experienced developer, working on live systems, handling sensitive data, maintaining reliable workflows, and making sure the software does what users need it to do without getting in the way. This isn't a role where you just pick up tickets and move on. You'll be expected to think about how the system hangs together, improve existing code, and help keep things stable as changes are made. What We're Looking For * Solid experience working with PHP at a mid or senior level * Strong JavaScript skills, including working with APIs * Good knowledge of MariaDB/MySQL, including database structure and performance * Experience with AWS (e.g. hosting, deployments, or working with cloud-based services) * Experience working on live systems, especially where data sensitivity matters
        UP TO £50,000 + GREAT CULTURE + BENEFITS - You'll be joining as an experienced developer, working on live systems, handling sensitive data, maintaining reliable workflows, and making sure the software does what users need it to do without getting in the way. This isn't a role where you just pick up tickets and move on. You'll be expected to think about how the system hangs together, improve existing code, and help keep things stable as changes are made. What We're Looking For * Solid experience working with PHP at a mid or senior level * Strong JavaScript skills, including working with APIs * Good knowledge of MariaDB/MySQL, including database structure and performance * Experience with AWS (e.g. hosting, deployments, or working with cloud-based services) * Experience working on live systems, especially where data sensitivity matters
        more
        FEATURED

        Senior Software Engineer

        DWP Digital
        Upperthorpe, Sheffield (S3), S3 7UF
        £57946 - £80664 per annum
        Digital with Purpose. Join DWP as a Senior Software Engineer in the PTP-MOSS team, maintaining and improving vital legacy systems that enable services for millions across the UK. Our DWP Digital teams use fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in the UK, every day and at key moments in their lives. DWP is the UK's largest government department. We help people into work and make payments worth over £195bn a year to support and empower millions of people. The scale of what we do is extraordinary, and our purpose is unique. We'd love you to join us. What skills, knowledge and experience will you need? * Demonstrable experience of developing and deploying to cloud environment utilising Azure technologies such as Azure SQL, Azure DevOps, and Azure Cosmos Database.
        Digital with Purpose. Join DWP as a Senior Software Engineer in the PTP-MOSS team, maintaining and improving vital legacy systems that enable services for millions across the UK. Our DWP Digital teams use fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in the UK, every day and at key moments in their lives. DWP is the UK's largest government department. We help people into work and make payments worth over £195bn a year to support and empower millions of people. The scale of what we do is extraordinary, and our purpose is unique. We'd love you to join us. What skills, knowledge and experience will you need? * Demonstrable experience of developing and deploying to cloud environment utilising Azure technologies such as Azure SQL, Azure DevOps, and Azure Cosmos Database.
        more

        Senior Software Engineer

        DWP Digital
        Leeds (LS9), LS2 7UA
        £57946 - £80664 per annum
        Digital with Purpose. Join DWP as a Senior Software Engineer in the PTP-MOSS team, maintaining and improving vital legacy systems that enable services for millions across the UK. Our DWP Digital teams use fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in the UK, every day and at key moments in their lives. DWP is the UK's largest government department. We help people into work and make payments worth over £195bn a year to support and empower millions of people. The scale of what we do is extraordinary, and our purpose is unique. We'd love you to join us. What skills, knowledge and experience will you need? * Demonstrable experience of developing and deploying to cloud environment utilising Azure technologies such as Azure SQL, Azure DevOps, and Azure Cosmos Database.
        Digital with Purpose. Join DWP as a Senior Software Engineer in the PTP-MOSS team, maintaining and improving vital legacy systems that enable services for millions across the UK. Our DWP Digital teams use fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in the UK, every day and at key moments in their lives. DWP is the UK's largest government department. We help people into work and make payments worth over £195bn a year to support and empower millions of people. The scale of what we do is extraordinary, and our purpose is unique. We'd love you to join us. What skills, knowledge and experience will you need? * Demonstrable experience of developing and deploying to cloud environment utilising Azure technologies such as Azure SQL, Azure DevOps, and Azure Cosmos Database.
        more

        Lead Software Engineer

        DWP Digital
        Upperthorpe, Sheffield (S3), S3 7UF
        £75026 - £92522 per annum + plus 28.97% employer pension contributions
        Pay up to £92,522, plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. Are you ready to lead at scale - shaping how complex digital services are built, mentoring engineers and influencing senior leaders across one of the UK's largest technology organisations? As a Lead Software Engineer, you'll join our Engineering community, providing technical leadership across multiple agile teams delivering critical public services. You'll sit at the intersection of deep technical expertise and strategic leadership, helping define engineering direction while remaining close to the realities of delivery. You'll work on high-profile, business-critical services that support millions of citizens every day - from core benefit systems like Universal Credit and Working Age Services, to Digital Payments Services, which process around ...
        Pay up to £92,522, plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. Are you ready to lead at scale - shaping how complex digital services are built, mentoring engineers and influencing senior leaders across one of the UK's largest technology organisations? As a Lead Software Engineer, you'll join our Engineering community, providing technical leadership across multiple agile teams delivering critical public services. You'll sit at the intersection of deep technical expertise and strategic leadership, helping define engineering direction while remaining close to the realities of delivery. You'll work on high-profile, business-critical services that support millions of citizens every day - from core benefit systems like Universal Credit and Working Age Services, to Digital Payments Services, which process around ...
        more

        Lead Software Engineer

        DWP Digital
        Leeds (LS9), LS2 7UE
        £75026 - £92522 per annum + plus 28.97% employer pension contributions
        Pay up to £92,522, plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. Are you ready to lead at scale - shaping how complex digital services are built, mentoring engineers and influencing senior leaders across one of the UK's largest technology organisations? As a Lead Software Engineer, you'll join our Engineering community, providing technical leadership across multiple agile teams delivering critical public services. You'll sit at the intersection of deep technical expertise and strategic leadership, helping define engineering direction while remaining close to the realities of delivery. You'll work on high-profile, business-critical services that support millions of citizens every day - from core benefit systems like Universal Credit and Working Age Services, to Digital Payments Services, which process around ...
        Pay up to £92,522, plus 28.97% employer pension contributions, hybrid working, flexible hours, and great work life balance. Are you ready to lead at scale - shaping how complex digital services are built, mentoring engineers and influencing senior leaders across one of the UK's largest technology organisations? As a Lead Software Engineer, you'll join our Engineering community, providing technical leadership across multiple agile teams delivering critical public services. You'll sit at the intersection of deep technical expertise and strategic leadership, helping define engineering direction while remaining close to the realities of delivery. You'll work on high-profile, business-critical services that support millions of citizens every day - from core benefit systems like Universal Credit and Working Age Services, to Digital Payments Services, which process around ...
        more

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        What is the average salary for API in South Yorkshire?

        Average salary per year
        £52,499

        The average salary for a API in South Yorkshire is £52,499. API in South Yorkshire salaries range from £42,499 to £52,499.

        Frequently Asked Questions

        How many API jobs are there in South Yorkshire?
        There are 69 API jobs within 20 miles of South Yorkshire available on CWJobs right now.

        Where in South Yorkshire are these jobs?
        You can find jobs in Sheffield, Rotherham, Barnsley.

        What other similar jobs are there to API jobs in South Yorkshire?
        As well as API jobs in South Yorkshire, you can find IT, Software Development, Architecture, amongst many others.