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56 API jobs in South Yorkshire + 20 miles
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Salary: £70,000 £90,000 - Overview - Are you a talented React Developer eager to elevate your career in a dynamic environment? We are seeking skilled React professionals for permanent roles with leading organizations across various industries. - Design and develop high-performance, user-centric web applications that enhance customer experiences. - Collaborate with cross-functional teams to implement innovative solutions and deliver impactful projects. - Contribute to the overall architecture and design decisions, ensuring scalability and maintainability. - Engage in continuous learning and professional development as you work with cutting-edge technologies and frameworks. These roles are ideal for React Developers looking for long-term growth, stable career paths, and the chance to make a significant impact in their field. Key Skills
Salary: £70,000 £90,000 - Overview - Are you a talented React Developer eager to elevate your career in a dynamic environment? We are seeking skilled React professionals for permanent roles with leading organizations across various industries. - Design and develop high-performance, user-centric web applications that enhance customer experiences. - Collaborate with cross-functional teams to implement innovative solutions and deliver impactful projects. - Contribute to the overall architecture and design decisions, ensuring scalability and maintainability. - Engage in continuous learning and professional development as you work with cutting-edge technologies and frameworks. These roles are ideal for React Developers looking for long-term growth, stable career paths, and the chance to make a significant impact in their field. Key Skills
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.Net Developer
.Net Developer
Crowd Link Consulting Ltd
LS1, Leeds
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
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Lead Technical Architect
Lead Technical Architect
Department for Work and Pensions (DWP)
Upperthorpe, S3 7UF
From £72,664 to £99,836 per annum plus 28.97% pension contributions
Microservice and API-led architecture and integration design tools, techniques and best practice.
Microservice and API-led architecture and integration design tools, techniques and best practice.
NEWPREMIUM
Lead Technical Architect
Lead Technical Architect
Department for Work and Pensions (DWP)
LS9, Leeds, LS2 7UA
From £72,664 to £99,836 per annum plus 28.97% pension contributions
Microservice and API-led architecture and integration design tools, techniques and best practice.
Microservice and API-led architecture and integration design tools, techniques and best practice.
NEWPREMIUM
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C#, .NET Core, ASP.NET Core MVC & Web API
C#, .NET Core, ASP.NET Core MVC & Web API
FEATURED
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Microservice and API-led architecture and integration design tools, techniques and best practice.
Microservice and API-led architecture and integration design tools, techniques and best practice.
NEWPREMIUM
Microservice and API-led architecture and integration design tools, techniques and best practice.
Microservice and API-led architecture and integration design tools, techniques and best practice.
NEWPREMIUM
Microservice and API-led architecture and integration design tools, techniques and best practice.
Microservice and API-led architecture and integration design tools, techniques and best practice.
NEWPREMIUM
Microservice and API-led architecture and integration design tools, techniques and best practice.
Microservice and API-led architecture and integration design tools, techniques and best practice.
NEWPREMIUM
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Senior QA Engineer, C#, Manual & Automation, Home Based
Senior QA Engineer, C#, Manual & Automation, Home Based
Fdo Consulting Limited
Moorfoot, S1
£50000 - £60000 per annum
Role split between manual and automation testing, C# / .net, API testing, Postman, Playright, etc. £ 50000 - 60000 + benefits. * Strong API testing and Postman * API testing
Role split between manual and automation testing, C# / .net, API testing, Postman, Playright, etc. £ 50000 - 60000 + benefits. * Strong API testing and Postman * API testing
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If you're excited by the opportunity to work in a high-growth environment, creating innovative, API-driven SaaS solutions, then please do apply below!
If you're excited by the opportunity to work in a high-growth environment, creating innovative, API-driven SaaS solutions, then please do apply below!
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As the Lead Developer, you will be working across the full stack, with a primary focus on React-based front-end applications, while also contributing to back-end architecture and API integration.
As the Lead Developer, you will be working across the full stack, with a primary focus on React-based front-end applications, while also contributing to back-end architecture and API integration.
FEATURED
Experience with API testing (e.g., using Postman).
Experience with API testing (e.g., using Postman).
Understanding of API testing and backend validation
Understanding of API testing and backend validation
FEATURED
Understanding of API testing and backend validation
Understanding of API testing and backend validation
FEATURED
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Experience with Salesforce integration tools and API management
Experience with Salesforce integration tools and API management
NEWFEATURED
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Senior Magento Developer
Senior Magento Developer
Erin Associates
LS10, Leeds
£45000 - £55000 per annum, Benefits Excellent benefits
REST API and GraphQL
REST API and GraphQL
FEATURED
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DevOps Engineer
DevOps Engineer
LA International Computer Consultants Ltd
Sheffield, South Yorkshire
£500 - £550 per day
Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python, GoLang, Docker and Cloud-Native services. o Building RESTful API Services.
Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python, GoLang, Docker and Cloud-Native services. o Building RESTful API Services.
NEW
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Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python, Golang, Docker and Cloud-Native services. o Building RESTful API Services.
Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python, Golang, Docker and Cloud-Native services. o Building RESTful API Services.
NEWPREMIUM
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Senior Python Backend Developer - AI Marketing SaaS. 4 Day Week. £70-90K
Senior Python Backend Developer - AI Marketing SaaS. 4 Day Week. £70-90K
Recruitment Revolution
LS1, Leeds
£70,000 - £90,000 DOE Plus Benefits
This role is ideal for someone experienced in backend API development and working with modern data infrastructure. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. • API development with Falcon framework
This role is ideal for someone experienced in backend API development and working with modern data infrastructure. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. • API development with Falcon framework
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Contract Type Permanent Location Leeds The Vacancy - Join our inclusive, innovative team as an Application Architect. Youll design, develop, and maintain secure, scalable application architectures, aligning technology with business needs while guiding development teams and ensuring software quality. * Leading, designing and maintaining application architecture. * Defining standards, guidelines, and best practices. * Working with analysts, developers, and stakeholders to translate requirements into technical solutions. * Leading architecture reviews and mentor development teams. * Recommending tools, technologies, and frameworks. * Ensuring alignment with enterprise architecture and security standards. * Documenting designs and technical specifications. * Troubleshooting and resolving architectural issues. * Supporting migration, modernization, and integration initiati
Contract Type Permanent Location Leeds The Vacancy - Join our inclusive, innovative team as an Application Architect. Youll design, develop, and maintain secure, scalable application architectures, aligning technology with business needs while guiding development teams and ensuring software quality. * Leading, designing and maintaining application architecture. * Defining standards, guidelines, and best practices. * Working with analysts, developers, and stakeholders to translate requirements into technical solutions. * Leading architecture reviews and mentor development teams. * Recommending tools, technologies, and frameworks. * Ensuring alignment with enterprise architecture and security standards. * Documenting designs and technical specifications. * Troubleshooting and resolving architectural issues. * Supporting migration, modernization, and integration initiati
Plan, design, and execute thorough manual test cases across web, API, and microservice components. * Hands-on experience with API testing tools (e.g., Postman).
Plan, design, and execute thorough manual test cases across web, API, and microservice components. * Hands-on experience with API testing tools (e.g., Postman).
Leeds, United Kingdom - Full time - 2025-07-30 - Posted Today - 19035811 - TransUnion's Job Applicant Privacy Notice - We support organisations across a variety of sectors including finance, retail, telecommunications, utilities, gaming, government and insurance. We're looking for a Solution Architect to join our growing team. * Design scalable solutions, identifying gaps between current and desired end-states, to enable achievement of the desired business outcomes in alignment with the journey roadmap and organization goals, knowing how to work in and around the limits of the platform. * Act as a solution guide, being able to speak conceptually, document the proposed solution and be comfortable doing hands on configuration and/or coding. May build proof-of-concept (POCs) that can be carried forward by the team.
Leeds, United Kingdom - Full time - 2025-07-30 - Posted Today - 19035811 - TransUnion's Job Applicant Privacy Notice - We support organisations across a variety of sectors including finance, retail, telecommunications, utilities, gaming, government and insurance. We're looking for a Solution Architect to join our growing team. * Design scalable solutions, identifying gaps between current and desired end-states, to enable achievement of the desired business outcomes in alignment with the journey roadmap and organization goals, knowing how to work in and around the limits of the platform. * Act as a solution guide, being able to speak conceptually, document the proposed solution and be comfortable doing hands on configuration and/or coding. May build proof-of-concept (POCs) that can be carried forward by the team.
Sheffield, United Kingdom * 2220 - Job Description Overview - We are seeking a highly skilled and experienced QA Software Engineer with a strong background in using Playwright for end-to-end testing. The ideal candidate will play a critical role in ensuring the quality and reliability of our software solutions by designing, implementing, and maintaining automated test scripts. You will collaborate closely with developers, product managers, and QA teams to create efficient and scalable testing processes. Why Join Us? * Competitive salary and benefits package. * Opportunity to work on cutting-edge technologies and projects. * Supportive and collaborative work environment. * Commitment to professional development and continuous learning. If you are passionate about automation, dedicated to delivering high-quality software, and eager to make a significant impact, wed love
Sheffield, United Kingdom * 2220 - Job Description Overview - We are seeking a highly skilled and experienced QA Software Engineer with a strong background in using Playwright for end-to-end testing. The ideal candidate will play a critical role in ensuring the quality and reliability of our software solutions by designing, implementing, and maintaining automated test scripts. You will collaborate closely with developers, product managers, and QA teams to create efficient and scalable testing processes. Why Join Us? * Competitive salary and benefits package. * Opportunity to work on cutting-edge technologies and projects. * Supportive and collaborative work environment. * Commitment to professional development and continuous learning. If you are passionate about automation, dedicated to delivering high-quality software, and eager to make a significant impact, wed love
NEW
Associate Customer Engagement Manager
Associate Customer Engagement Manager
LexisNexis Risk Solutions UK Ltd T/a LexisNexis Risk Solutions Group
Leeds, West Yorkshire
Competitive
About the Business - LexisNexis Risk Solutions is the essential partner in the assessment of risk. Within our Business Services vertical, we offer a multitude of solutions focused on helping businesses of all sizes drive higher revenue growth, maximize operational efficiencies, and improve customer experience. Our solutions help our customers solve difficult problems in the areas of Anti-Money Laundering/Counter Terrorist Financing, Identity Authentication & Verification, Fraud and Credit Risk mitigation and Customer Data Management. About the Team - The Customer Engagement team acts as a centre of excellence for the LexisNexis RiskNarrative product, responsible for delivering Strategic Engagement Services to customers throughout their lifecycle. RiskNarrative brings powerful automation under total control, uniting fraud detection, financial crime prevention, complian
About the Business - LexisNexis Risk Solutions is the essential partner in the assessment of risk. Within our Business Services vertical, we offer a multitude of solutions focused on helping businesses of all sizes drive higher revenue growth, maximize operational efficiencies, and improve customer experience. Our solutions help our customers solve difficult problems in the areas of Anti-Money Laundering/Counter Terrorist Financing, Identity Authentication & Verification, Fraud and Credit Risk mitigation and Customer Data Management. About the Team - The Customer Engagement team acts as a centre of excellence for the LexisNexis RiskNarrative product, responsible for delivering Strategic Engagement Services to customers throughout their lifecycle. RiskNarrative brings powerful automation under total control, uniting fraud detection, financial crime prevention, complian