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86 Permanent API jobs in West Yorkshire + 20 miles
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Senior Magento Developer
Senior Magento Developer
Erin Associates
M1, Manchester
£45000 - £55000 per annum, Benefits Excellent benefits
REST API and GraphQL
REST API and GraphQL
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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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Software Developer
Software Developer
Anord Mardix (UK) Ltd
BB1, Blackburn
Excellent salary, remote working, all benefits listed on advert
Proficient in creating dynamic, responsive front-end API designs and integrations using ASP.NET MVC, JavaScript/jQuery, AJAX, HTML5, and Bootstrap, along with SQL-based database design and optimisation using Microsoft SQL Server or MySQL.
Proficient in creating dynamic, responsive front-end API designs and integrations using ASP.NET MVC, JavaScript/jQuery, AJAX, HTML5, and Bootstrap, along with SQL-based database design and optimisation using Microsoft SQL Server or MySQL.
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Principal Developer (C# and Azure Development)
Principal Developer (C# and Azure Development)
DCV Technologies Limited
Spring Gardens, M2
From £55,000 to £70,000 per annum
Azure AI Search, using API and designing indexes * Azure AD, Enterprise apps and interactions via Graph API * Data sources: via ODBC, RESTful API, Message-based Architectures
Azure AI Search, using API and designing indexes * Azure AD, Enterprise apps and interactions via Graph API * Data sources: via ODBC, RESTful API, Message-based Architectures
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
You will also advance the core rendering technology that aspires to achieve photo-real visuals, such as physically based light, eye and lens simulations, as well as more low-level engine technologies such as shader building & compilation, content streaming systems, and the multi-threaded and cross-API renderer architecture. * Comfortable working with C++ in a large shared codebase, including testing, code-reviews, source-control as well as experience with a common shader language and modern graphics API.
You will also advance the core rendering technology that aspires to achieve photo-real visuals, such as physically based light, eye and lens simulations, as well as more low-level engine technologies such as shader building & compilation, content streaming systems, and the multi-threaded and cross-API renderer architecture. * Comfortable working with C++ in a large shared codebase, including testing, code-reviews, source-control as well as experience with a common shader language and modern graphics API.
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.
Experience of leveraging GitLab API for advanced automation, integration, and reporting;
Experience of leveraging GitLab API for advanced automation, integration, and reporting;
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,
1. Permanent - 2. Full time - 3. Hybrid (YO1 6WR, York, United Kingdom) 4. Finance - Simpson Associates transforms raw data into actionable insights that drive positive change. Our Microsoft data expertise, our specialist sector knowledge, plus our innovative and trusted advice and guidance are just some of the reasons clients choose to work with us. Our mission is to help purpose-led organisations from within the public and private sectors to harness data as a lever for change and enable them to realise business value more quickly. We provide the full range of services to support organisations on their data transformation journey. From advisory support and data strategy, to developing Data & AI solutions, right through to providing a range of managed services. We are a Microsoft Solutions Partner, holding Specialisations in AI Platform on Microsoft Azure, Analytics o
1. Permanent - 2. Full time - 3. Hybrid (YO1 6WR, York, United Kingdom) 4. Finance - Simpson Associates transforms raw data into actionable insights that drive positive change. Our Microsoft data expertise, our specialist sector knowledge, plus our innovative and trusted advice and guidance are just some of the reasons clients choose to work with us. Our mission is to help purpose-led organisations from within the public and private sectors to harness data as a lever for change and enable them to realise business value more quickly. We provide the full range of services to support organisations on their data transformation journey. From advisory support and data strategy, to developing Data & AI solutions, right through to providing a range of managed services. We are a Microsoft Solutions Partner, holding Specialisations in AI Platform on Microsoft Azure, Analytics o
Restful API Services experience
Restful API Services experience
68 exact matches jobs are outside your preferred location
Major IT & Digital are delighted to be working with one of UKs leading IT and telecom business operating across a well-established UK client base. The company has seen rapid growth over the last 4 years, coupled with 25 years specialist industry knowledge within the telecoms and managed services arena. Are you a forward-thinking Solutions Architect with a strong background in designing and building resilient solutions? A key requirement of the this role is the ability to design high quality end-to-end solutions that align with my clients business goals, ensuring scalable and secure system architecture with practical hands on delivery. The ideal person will have a solid understanding of network security principles and enterprise architecture design including strong cloud deployment knowledge (AWS or Azure) and DevOps principles experience.
Major IT & Digital are delighted to be working with one of UKs leading IT and telecom business operating across a well-established UK client base. The company has seen rapid growth over the last 4 years, coupled with 25 years specialist industry knowledge within the telecoms and managed services arena. Are you a forward-thinking Solutions Architect with a strong background in designing and building resilient solutions? A key requirement of the this role is the ability to design high quality end-to-end solutions that align with my clients business goals, ensuring scalable and secure system architecture with practical hands on delivery. The ideal person will have a solid understanding of network security principles and enterprise architecture design including strong cloud deployment knowledge (AWS or Azure) and DevOps principles experience.
Senior .Net Developer
Senior .Net Developer
Major Recruitment
S41, Chesterfield
From £50,000 to £55,000 per annum Bonus | Healthcare | Co. Pension | T
As part of continued expansion within the software development team my client has immediate requirements for a mid-level software developer to support the development of new features, new applications and API integrations. API Integration of 3rd party tools
As part of continued expansion within the software development team my client has immediate requirements for a mid-level software developer to support the development of new features, new applications and API integrations. API Integration of 3rd party tools
Deep familiarity with API design, microservices, and cloud-first development (AWS, Azure, or GCP)
Deep familiarity with API design, microservices, and cloud-first development (AWS, Azure, or GCP)
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Execute comprehensive manual test passes (functional, regression, exploratory, UAT support) across web, desktop, and API layers.
Execute comprehensive manual test passes (functional, regression, exploratory, UAT support) across web, desktop, and API layers.
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Lead Python Software Developer - AI MarTech SaaS- c£90K 4 Day Week
Lead Python Software Developer - AI MarTech SaaS- c£90K 4 Day Week
Recruitment Revolution
Moorfoot, S1
Up to £90,000 DOE + Benefits
Ready to build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? At Ask BOSCO®, we're on a mission to help brands spend smarter with our award-winning predictive analytics platform. As our Lead Software Developer, you won’t just write code - you’ll shape the future of a high-growth MarTech product, lead technical strategy, and work directly with founders, data scientists, and clients to deliver impactful, intelligent solutions. If you're excited by ownership, innovation, and the chance to make a real mark in a scaling business, this is your opportunity - If you’re looking for a role where your voice matters, your technical leadership is valued, and your work directly influences product growth and innovation, we’d love to hear from you. Lead Python Software Developer
Ready to build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? At Ask BOSCO®, we're on a mission to help brands spend smarter with our award-winning predictive analytics platform. As our Lead Software Developer, you won’t just write code - you’ll shape the future of a high-growth MarTech product, lead technical strategy, and work directly with founders, data scientists, and clients to deliver impactful, intelligent solutions. If you're excited by ownership, innovation, and the chance to make a real mark in a scaling business, this is your opportunity - If you’re looking for a role where your voice matters, your technical leadership is valued, and your work directly influences product growth and innovation, we’d love to hear from you. Lead Python Software Developer
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Full Stack Developer - React.js | Node.js | SQL Server - Location: Nottinghamshire, 2 days a week in office - Employment Type: Permanent - Salary: Based on experience - Due to continued success, I am looking for a skilled Mid-Level Full Stack Developer to join my clients growing team working on a modern, web-based platform. This is a hands-on role where you'll be building new applications and enhancing existing ones using React.js, Node.js, and SQL Server. The role is offered on a hybrid basis, minimum 2 days a week in their Nottinghamshire office * Develop and maintain full-stack web applications with a focus on performance and scalability. * Build responsive, data-driven UIs using React.js, consuming JSON APIs. * Create and enhance backend services using Node.js. * Work with complex business logic implemented in SQL Server stored procedures.
Full Stack Developer - React.js | Node.js | SQL Server - Location: Nottinghamshire, 2 days a week in office - Employment Type: Permanent - Salary: Based on experience - Due to continued success, I am looking for a skilled Mid-Level Full Stack Developer to join my clients growing team working on a modern, web-based platform. This is a hands-on role where you'll be building new applications and enhancing existing ones using React.js, Node.js, and SQL Server. The role is offered on a hybrid basis, minimum 2 days a week in their Nottinghamshire office * Develop and maintain full-stack web applications with a focus on performance and scalability. * Build responsive, data-driven UIs using React.js, consuming JSON APIs. * Create and enhance backend services using Node.js. * Work with complex business logic implemented in SQL Server stored procedures.
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C# Developer Software Developer Preston - Keywords: C#, .Net, ASP.Net, SQL Server, HTML, JavaScript, MVC, TDD, Agile, Scrum - Location: Preston, Lancashire - commute from Chorley, Blackpool, Blackburn - Join a forward-thinking software development team in Preston, Lancashire as a C# Developer, contributing to a suite of innovative products in a dynamic Agile/Scrum environment. This is a fantastic opportunity to grow your career within a well-established company offering a clearly defined progression path and a competitive benefits package. As a C# Software Developer, you'll play a key role in the full software development lifecycle, from initial design and architecture through to implementation and delivery. Working within a collaborative Agile team, you'll contribute to building scalable, maintainable solutions using the latest technologies.
C# Developer Software Developer Preston - Keywords: C#, .Net, ASP.Net, SQL Server, HTML, JavaScript, MVC, TDD, Agile, Scrum - Location: Preston, Lancashire - commute from Chorley, Blackpool, Blackburn - Join a forward-thinking software development team in Preston, Lancashire as a C# Developer, contributing to a suite of innovative products in a dynamic Agile/Scrum environment. This is a fantastic opportunity to grow your career within a well-established company offering a clearly defined progression path and a competitive benefits package. As a C# Software Developer, you'll play a key role in the full software development lifecycle, from initial design and architecture through to implementation and delivery. Working within a collaborative Agile team, you'll contribute to building scalable, maintainable solutions using the latest technologies.
FEATURED
C# Developer Software Developer Preston - Keywords: C#, .Net, ASP.Net, SQL Server, HTML, JavaScript, MVC, TDD, Agile, Scrum - Location: Preston, Lancashire - commute from Chorley, Blackpool, Blackburn - Join a forward-thinking software development team in Preston, Lancashire as a C# Developer, contributing to a suite of innovative products in a dynamic Agile/Scrum environment. This is a fantastic opportunity to grow your career within a well-established company offering a clearly defined progression path and a competitive benefits package. As a C# Software Developer, you'll play a key role in the full software development lifecycle, from initial design and architecture through to implementation and delivery. Working within a collaborative Agile team, you'll contribute to building scalable, maintainable solutions using the latest technologies.
C# Developer Software Developer Preston - Keywords: C#, .Net, ASP.Net, SQL Server, HTML, JavaScript, MVC, TDD, Agile, Scrum - Location: Preston, Lancashire - commute from Chorley, Blackpool, Blackburn - Join a forward-thinking software development team in Preston, Lancashire as a C# Developer, contributing to a suite of innovative products in a dynamic Agile/Scrum environment. This is a fantastic opportunity to grow your career within a well-established company offering a clearly defined progression path and a competitive benefits package. As a C# Software Developer, you'll play a key role in the full software development lifecycle, from initial design and architecture through to implementation and delivery. Working within a collaborative Agile team, you'll contribute to building scalable, maintainable solutions using the latest technologies.
FEATURED
C# Developer Software Developer Preston - Keywords: C#, .Net, ASP.Net, SQL Server, HTML, JavaScript, MVC, TDD, Agile, Scrum - Location: Preston, Lancashire - commute from Chorley, Blackpool, Blackburn - Join a forward-thinking software development team in Preston, Lancashire as a C# Developer, contributing to a suite of innovative products in a dynamic Agile/Scrum environment. This is a fantastic opportunity to grow your career within a well-established company offering a clearly defined progression path and a competitive benefits package. As a C# Software Developer, you'll play a key role in the full software development lifecycle, from initial design and architecture through to implementation and delivery. Working within a collaborative Agile team, you'll contribute to building scalable, maintainable solutions using the latest technologies.
C# Developer Software Developer Preston - Keywords: C#, .Net, ASP.Net, SQL Server, HTML, JavaScript, MVC, TDD, Agile, Scrum - Location: Preston, Lancashire - commute from Chorley, Blackpool, Blackburn - Join a forward-thinking software development team in Preston, Lancashire as a C# Developer, contributing to a suite of innovative products in a dynamic Agile/Scrum environment. This is a fantastic opportunity to grow your career within a well-established company offering a clearly defined progression path and a competitive benefits package. As a C# Software Developer, you'll play a key role in the full software development lifecycle, from initial design and architecture through to implementation and delivery. Working within a collaborative Agile team, you'll contribute to building scalable, maintainable solutions using the latest technologies.
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Frontend Developer - up to 50k - St. Helens - Hybrid - An immensely successful technology specialist focused on delivering market-leading web, app and software platforms throughout the UK and beyond are looking for an experienced Frontend Developer looking to enhance their career by delivering products for some of the largest names in their industry. You will be working alongside an award-winning development team of 30+ professionals that are delivering SaaS, PaaS and Mobile Apps for some of the biggest clients in the sports space. The Role - They're looking for a skilled Front-End Developer to join an innovative team, where you'll have the opportunity to build dynamic, user-focused web applications and CMS products. The role focuses on using JavaScript technologies like Vue and Nuxt, alongside tools like Tailwind and SCSS.
Frontend Developer - up to 50k - St. Helens - Hybrid - An immensely successful technology specialist focused on delivering market-leading web, app and software platforms throughout the UK and beyond are looking for an experienced Frontend Developer looking to enhance their career by delivering products for some of the largest names in their industry. You will be working alongside an award-winning development team of 30+ professionals that are delivering SaaS, PaaS and Mobile Apps for some of the biggest clients in the sports space. The Role - They're looking for a skilled Front-End Developer to join an innovative team, where you'll have the opportunity to build dynamic, user-focused web applications and CMS products. The role focuses on using JavaScript technologies like Vue and Nuxt, alongside tools like Tailwind and SCSS.
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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.
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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.
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C#, .NET Core, ASP.NET Core MVC & Web API
C#, .NET Core, ASP.NET Core MVC & Web API
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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