Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
41 Permanent API jobs in South Yorkshire + 20 miles
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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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C#, .NET Core, ASP.NET Core MVC & Web API
C#, .NET Core, ASP.NET Core MVC & Web API
FEATURED
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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
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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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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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
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.
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).
Associate Customer Engagement Manager
Associate Customer Engagement Manager
LexisNexis Risk Solutions UK Ltd T/a LexisNexis Risk Solutions Group
Leeds, West Yorkshire
Competitive
Leeds - Full time - 2025-08-12 - Posted Yesterday - R99859 - 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,
Leeds - Full time - 2025-08-12 - Posted Yesterday - R99859 - 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,
VN2502 - Location City - Leeds - Location Country - United Kingdom - Job Description - Job Title: Systems Analyst - Reports to: Lead Systems Analyst - Department: Technology - Location: Leeds - Grade: P1 - Department Description - The Technology department is charged with establishing, monitoring and maintaining information technology systems and services to enable business users to carry out their roles efficiently, productively and securely. The department must stay at the forefront of technology change in order to meet multiple business requirements, provide secure IT infrastructure and proactively support C4 strategic growth opportunities. Job Purpose - The Technology Chief Operations Office (COO) team operate across Channel 4s Finance, HR and Workspace functions, developing, implementing, and enhancing business solutions. This role requires an experienced Systems
VN2502 - Location City - Leeds - Location Country - United Kingdom - Job Description - Job Title: Systems Analyst - Reports to: Lead Systems Analyst - Department: Technology - Location: Leeds - Grade: P1 - Department Description - The Technology department is charged with establishing, monitoring and maintaining information technology systems and services to enable business users to carry out their roles efficiently, productively and securely. The department must stay at the forefront of technology change in order to meet multiple business requirements, provide secure IT infrastructure and proactively support C4 strategic growth opportunities. Job Purpose - The Technology Chief Operations Office (COO) team operate across Channel 4s Finance, HR and Workspace functions, developing, implementing, and enhancing business solutions. This role requires an experienced Systems
Description - We're hiring a Principal Software Engineer/Tech Lead to help shape the future of our most ambitious client projects. This is a senior, hands-on role focused on technical excellence, leadership, and problem solving. You'll play a key role in shaping the technical direction of projectshelping to design architecture, guide engineering teams, and ensure delivery of scalable, maintainable software solutions. You'll be a trusted technical lead for client work, collaborating closely with internal teams to define and deliver great outcomes. Comfortable in both code and conversation, youll lead by example in engineering squads, mentoring others, setting technical standards, and rolling up your sleeves to tackle complex challenges. Youll work across a range of industries, platforms and technologies, so were looking for someone who can think critically, adapt quick
Description - We're hiring a Principal Software Engineer/Tech Lead to help shape the future of our most ambitious client projects. This is a senior, hands-on role focused on technical excellence, leadership, and problem solving. You'll play a key role in shaping the technical direction of projectshelping to design architecture, guide engineering teams, and ensure delivery of scalable, maintainable software solutions. You'll be a trusted technical lead for client work, collaborating closely with internal teams to define and deliver great outcomes. Comfortable in both code and conversation, youll lead by example in engineering squads, mentoring others, setting technical standards, and rolling up your sleeves to tackle complex challenges. Youll work across a range of industries, platforms and technologies, so were looking for someone who can think critically, adapt quick
The successful candidate will bridge technical and business domains, supporting a transition from legacy systems to new architecture, including DynamoDB and API-driven integrations. * Deep understanding of data structures, legacy systems, and API-driven integrations
The successful candidate will bridge technical and business domains, supporting a transition from legacy systems to new architecture, including DynamoDB and API-driven integrations. * Deep understanding of data structures, legacy systems, and API-driven integrations
182 exact matches jobs are outside your preferred location
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Lead Software Engineer C# .Net API AWS
Lead Software Engineer C# .Net API AWS
Client Server
NG1, Nottingham
£65000 - £80000 per annum + benefits
Lead Software Engineer / Developer (C# .Net API AWS) Nottingham / WFH to £80k - You'll be working with a modern tech stack, with a focus on backend C# .Net and API development. Apply now to find out more about this Lead Software Engineer / Developer (C# .Net API AWS) opportunity.
Lead Software Engineer / Developer (C# .Net API AWS) Nottingham / WFH to £80k - You'll be working with a modern tech stack, with a focus on backend C# .Net and API development. Apply now to find out more about this Lead Software Engineer / Developer (C# .Net API AWS) opportunity.
NEWPREMIUM
QA Test Engineer / Technical Lead C# Postman API
QA Test Engineer / Technical Lead C# Postman API
Client Server
NG1, Nottingham, NG1 7AB
£55000 - £65000 per annum
You have strong API testing experience, ideally with Postman - Apply now to find out more about this QA Test Engineer / Technical Lead (C# Postman API SaaS) opportunity.
You have strong API testing experience, ideally with Postman - Apply now to find out more about this QA Test Engineer / Technical Lead (C# Postman API SaaS) opportunity.
NEWPREMIUM
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Senior Software Developer API
Senior Software Developer API
Frontier Agriculture Limited
Witham St. Hughs, LN6 9TN
Competitive + Benefits + 33 Days Holiday + Employee Assistance Program
Expert skills in JavaScript, TypeScript, React, Node.js, Express, RESTful API, GraphQL, Git, HTML, CSS, SQL
Expert skills in JavaScript, TypeScript, React, Node.js, Express, RESTful API, GraphQL, Git, HTML, CSS, SQL
NEWFEATURED
TypeScript Engineer AWS - Immediate start!
TypeScript Engineer AWS - Immediate start!
Client Server
Manchester Industrial Centre, M3
£85000 - £100000 per annum + benefits
TypeScript Engineer (AWS API) WFH to £100k - Apply now to find out more about this TypeScript Engineer / Developer (AWS API) opportunity.
TypeScript Engineer (AWS API) WFH to £100k - Apply now to find out more about this TypeScript Engineer / Developer (AWS API) opportunity.
NEWPREMIUM
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Java Technical Architect - Inside IR35
Java Technical Architect - Inside IR35
LA International Computer Consultants Ltd
M1, Manchester
£550 - £590 per day
*Java/J2EE 21, Python, 3.11 Springboot, Micronaut, Dropwizard, GraphQL, API Design.
*Java/J2EE 21, Python, 3.11 Springboot, Micronaut, Dropwizard, GraphQL, API Design.
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Expertise in Micro frontend and Microservices architecture, including API gateways, service mesh, container orchestration, and CI/CD pipelines.
Expertise in Micro frontend and Microservices architecture, including API gateways, service mesh, container orchestration, and CI/CD pipelines.
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Strong experience with REST APIs, Streaming API, CDC, and Platform Events.
Strong experience with REST APIs, Streaming API, CDC, and Platform Events.
NEWFEATURED
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Location: Birmingham, Bristol, Leeds, Newcastle-upon-Tyne, Nottingham, Oldham, Swansea - Salary: £64,108 - £95,600 per annum - Vacancy Type:Permanent - Are you a strategic technology leader ready to shape impactful digital services? Can you lead complex architecture with clarity while supporting and growing your team? If so, we'd love to hear from you! The organisation is building a dedicated Enterprise Architecture (EA) team to act as the bridge between the business and digital and data delivery. The Chief Enterprise Architect leads a team of Enterprise, Technical and Solution Architects to deliver a strategically aligned architecture service, to deliver great customer outcomes and demonstrate business value. They will contribute to the development and delivery of new and evolving operating models, accountable for delivering enterprise-wide architecture capability to
Location: Birmingham, Bristol, Leeds, Newcastle-upon-Tyne, Nottingham, Oldham, Swansea - Salary: £64,108 - £95,600 per annum - Vacancy Type:Permanent - Are you a strategic technology leader ready to shape impactful digital services? Can you lead complex architecture with clarity while supporting and growing your team? If so, we'd love to hear from you! The organisation is building a dedicated Enterprise Architecture (EA) team to act as the bridge between the business and digital and data delivery. The Chief Enterprise Architect leads a team of Enterprise, Technical and Solution Architects to deliver a strategically aligned architecture service, to deliver great customer outcomes and demonstrate business value. They will contribute to the development and delivery of new and evolving operating models, accountable for delivering enterprise-wide architecture capability to
NEW
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Understanding of Dell Boomi AtomSphere, including Atoms, Molecules, and API management
Understanding of Dell Boomi AtomSphere, including Atoms, Molecules, and API management
NEWFEATURED