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12 Permanent API jobs in Chesterfield + 20 miles
199 exact matches jobs are outside your preferred location
Senior .NET Developer- Up to £65,000 - Were working with a growing technology business who are investing heavily in their engineering teams. They are now looking for a Senior .NET Developer to join their team and play a key role in building and supporting business-critical systems. What youll be doing * Designing and developing high-quality, scalable software solutions using the Microsoft stack * Building and maintaining APIs, services, and integrations * Working with databases and ensuring data-driven systems are efficient and reliable * Contributing to system improvements and helping modernise legacy applications * Collaborating with product managers, testers, and fellow engineers in an Agile environment * Supporting and mentoring other developers, and sharing best practices - What were looking for * Strong background in C# / .NET development (Framework and/or Core)
Senior .NET Developer- Up to £65,000 - Were working with a growing technology business who are investing heavily in their engineering teams. They are now looking for a Senior .NET Developer to join their team and play a key role in building and supporting business-critical systems. What youll be doing * Designing and developing high-quality, scalable software solutions using the Microsoft stack * Building and maintaining APIs, services, and integrations * Working with databases and ensuring data-driven systems are efficient and reliable * Contributing to system improvements and helping modernise legacy applications * Collaborating with product managers, testers, and fellow engineers in an Agile environment * Supporting and mentoring other developers, and sharing best practices - What were looking for * Strong background in C# / .NET development (Framework and/or Core)
A growing technology business is looking for a Software Developer with experience in the Tridium Niagara Framework to join their team. This role will suit someone who enjoys working with Java, developing custom modules, and integrating systems into wider technology platforms. * Design, develop, and maintain software solutions within the Niagara Framework * Build and extend modules, drivers, and service components using Java * Integrate systems with APIs, microservices, and wider technology platforms * Contribute to innovation across new and existing projects in a collaborative team environment * Strong commercial experience in Java development * Hands-on experience with the Niagara Framework (Niagara 4 preferred) * Understanding of APIs, services, and modern development practices (Git, CI/CD, etc.) * Problem-solving mindset and a passion for developing new technologie
A growing technology business is looking for a Software Developer with experience in the Tridium Niagara Framework to join their team. This role will suit someone who enjoys working with Java, developing custom modules, and integrating systems into wider technology platforms. * Design, develop, and maintain software solutions within the Niagara Framework * Build and extend modules, drivers, and service components using Java * Integrate systems with APIs, microservices, and wider technology platforms * Contribute to innovation across new and existing projects in a collaborative team environment * Strong commercial experience in Java development * Hands-on experience with the Niagara Framework (Niagara 4 preferred) * Understanding of APIs, services, and modern development practices (Git, CI/CD, etc.) * Problem-solving mindset and a passion for developing new technologie
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Leeds - 2x a week - Salary: £65k D.O.E - Fruition IT are working with a well-established tech-first business who are embarking on a complete technical transformation. This client is looking to bring in a team of Software Engineers to work on a bespoke software platform as part of the business growth. You will be responsible for working on backend services, focusing on platform engineering and building CI/CD pipelines. You will be developing in Node. Js and Typescript, and will have a strong focus on AWS Services, such as EKS, Dynamo DB and S3. What will I be doing? * Turn concepts and requirements into a bespoke software platform. * Work closely with the agile teams to meet software deliverable. * Support continuous integration to enhance deployment. * Build and deploy CI/CD pipelines. * Coaching and mentoring junior developers.
Leeds - 2x a week - Salary: £65k D.O.E - Fruition IT are working with a well-established tech-first business who are embarking on a complete technical transformation. This client is looking to bring in a team of Software Engineers to work on a bespoke software platform as part of the business growth. You will be responsible for working on backend services, focusing on platform engineering and building CI/CD pipelines. You will be developing in Node. Js and Typescript, and will have a strong focus on AWS Services, such as EKS, Dynamo DB and S3. What will I be doing? * Turn concepts and requirements into a bespoke software platform. * Work closely with the agile teams to meet software deliverable. * Support continuous integration to enhance deployment. * Build and deploy CI/CD pipelines. * Coaching and mentoring junior developers.
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C# Senior Software Developer - Greater Manchester - £50-65K - My client is a boutique firm based in Greater Manchester, operating in a regulated sector and offering innovative, tech-driven solutions. With a growing commitment to internal software development, they are seeking a talented Senior Software Developer to join their agile team and help shape the future of their platforms. Youll be a key contributor, working on full-stack applications using .NET, Angular, Docker, and AWS. This hands-on role combines technical leadership, product influence, and close collaboration with stakeholders-including senior leadership. * Design, develop, and maintain internal and client-facing applications using .NET and Angular * Build new features using modern tools like Docker and AWS ECS * Mentor and support a junior developer through code reviews and best practices
C# Senior Software Developer - Greater Manchester - £50-65K - My client is a boutique firm based in Greater Manchester, operating in a regulated sector and offering innovative, tech-driven solutions. With a growing commitment to internal software development, they are seeking a talented Senior Software Developer to join their agile team and help shape the future of their platforms. Youll be a key contributor, working on full-stack applications using .NET, Angular, Docker, and AWS. This hands-on role combines technical leadership, product influence, and close collaboration with stakeholders-including senior leadership. * Design, develop, and maintain internal and client-facing applications using .NET and Angular * Build new features using modern tools like Docker and AWS ECS * Mentor and support a junior developer through code reviews and best practices
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Based in Leeds £60,000 - £70,000 + Benefits - This is a brand-new opportunity for a Lead Developer with Web/Front-End experience to join a data-driven software provider operating on a global scale. As the Lead Developer you will work with cutting and bleeding edge frontend technologies in the enterprise sphere. You will be working alongside an in-house team implementing new and emerging technologies to enhance the existing products which promote optimization and data-analysis for retailers. You will be responsible for building and maintaining real-time data analytics and web-browser applications (primarily front-end). The team are moving forward with a full migration project of their front-end applications to a more sleek & user-friendly app which you will play a key role in. You will be involved in the decision-making process for the technology-stack. Key Skills
Based in Leeds £60,000 - £70,000 + Benefits - This is a brand-new opportunity for a Lead Developer with Web/Front-End experience to join a data-driven software provider operating on a global scale. As the Lead Developer you will work with cutting and bleeding edge frontend technologies in the enterprise sphere. You will be working alongside an in-house team implementing new and emerging technologies to enhance the existing products which promote optimization and data-analysis for retailers. You will be responsible for building and maintaining real-time data analytics and web-browser applications (primarily front-end). The team are moving forward with a full migration project of their front-end applications to a more sleek & user-friendly app which you will play a key role in. You will be involved in the decision-making process for the technology-stack. Key Skills
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My Client is hiring a skilled Frontend Developer with strong proficiency in React and TypeScript to build engaging, responsive web interfaces. Youll collaborate with backend developers and designers to turn complex requirements into elegant user experiences. * Develop and maintain web applications using React and TypeScript * Work closely with UX/UI designers to deliver pixel-perfect interfaces * Build reusable components and manage application state * Optimise performance and ensure accessibility best practices * Write clean, testable code and participate in peer reviews * Strong experience with React, TypeScript, and modern JavaScript * Familiarity with frontend tooling (Vite, Webpack, ESLint, Prettier) * Understanding of REST APIs and client-side state management (Redux, TanStack Query) * Responsive design, accessibility (WCAG), and cross-browser compatibility
My Client is hiring a skilled Frontend Developer with strong proficiency in React and TypeScript to build engaging, responsive web interfaces. Youll collaborate with backend developers and designers to turn complex requirements into elegant user experiences. * Develop and maintain web applications using React and TypeScript * Work closely with UX/UI designers to deliver pixel-perfect interfaces * Build reusable components and manage application state * Optimise performance and ensure accessibility best practices * Write clean, testable code and participate in peer reviews * Strong experience with React, TypeScript, and modern JavaScript * Familiarity with frontend tooling (Vite, Webpack, ESLint, Prettier) * Understanding of REST APIs and client-side state management (Redux, TanStack Query) * Responsive design, accessibility (WCAG), and cross-browser compatibility
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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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Java Full Stack Developer
Java Full Stack Developer
Syntax Consultancy Limited
Manchester, Greater Manchester
£60000 - £70000 Per Annum Bonus + Benefits
Practical experience on AWS (ECS, EKS, API Gateway and Server less technologies
Practical experience on AWS (ECS, EKS, API Gateway and Server less technologies
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Lead Python Developer
Lead Python Developer
Syntax Consultancy Ltd
Leeds, West Yorkshire, LS1 4DY
£80000 - £80000 Per Annum to £80k (DOE)
Technical Environment: Python, web frameworks, front-end (Vue.JS, React, CSS, HTML), Design Patterns, Object Relational Mappers (ORMs), server-side templating languages, Unit/API testing, AWS, CI/CD, Agile.
Technical Environment: Python, web frameworks, front-end (Vue.JS, React, CSS, HTML), Design Patterns, Object Relational Mappers (ORMs), server-side templating languages, Unit/API testing, AWS, CI/CD, Agile.
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Technical Environment: Python, web frameworks, front-end (Vue.JS, React, CSS, HTML), Design Patterns, Object Relational Mappers (ORMs), server-side templating languages, Unit/API testing, AWS, CI/CD, Agile.
Technical Environment: Python, web frameworks, front-end (Vue.JS, React, CSS, HTML), Design Patterns, Object Relational Mappers (ORMs), server-side templating languages, Unit/API testing, AWS, CI/CD, Agile.
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Business Intelligence Lead
Business Intelligence Lead
The Bridge (IT Recruitment) Limited
Wakefield, West Yorkshire
£60k - 70k per year + None
Experience with API-based data integration.
Experience with API-based data integration.
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Lead QA Automation Engineer, C#, Home Based
Lead QA Automation Engineer, C#, Home Based
Fdo Consulting Limited
Manchester, Greater Manchester
£55000 - £68000 per annum + home based + benefits
Strong Automation, API, C#, Selenium 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#, Selenium 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.
Youll play a key part in moving away from legacy components towards a clean, API-driven architecture.
Youll play a key part in moving away from legacy components towards a clean, API-driven architecture.
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Lead Platform Engineer - Manchester Hybrid - £80-£90k
Lead Platform Engineer - Manchester Hybrid - £80-£90k
INFUSED SOLUTIONS LIMITED
M1, Manchester
£80000 - £90000 per annum
Service mesh & API gateway knowledge (Istio, Linkerd)
Service mesh & API gateway knowledge (Istio, Linkerd)
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Technical Architect
Technical Architect
Inspire People
M3, Salford
£67867 - £81793 per annum + 29% pension + Civil Service benefits
Track record designing and delivering secure cloud solutions using AWS/Azure plus ideally API-driven architecture
Track record designing and delivering secure cloud solutions using AWS/Azure plus ideally API-driven architecture
Cloud Infrastructure Engineering Manager - API Gateway
Cloud Infrastructure Engineering Manager - API Gateway
Capital One (Europe) plc
Nottingham, Nottinghamshire
Competitive
Partner and collaborate with counterparts in Enterprise CapitalOne to develop and implement CapitalOnes API Gateway strategy for the UK * Broad experience of API theory and practice
Partner and collaborate with counterparts in Enterprise CapitalOne to develop and implement CapitalOnes API Gateway strategy for the UK * Broad experience of API theory and practice
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Remote Senior Backend Python Developer - 4 Day Week. AI SaaS Tech
Remote Senior Backend Python Developer - 4 Day Week. AI SaaS Tech
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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Remote Senior Backend Python Developer - 4 Day Week. AI SaaS Tech
Remote Senior Backend Python Developer - 4 Day Week. AI SaaS Tech
Recruitment Revolution
M1, Manchester
£70,000 - £90,000 DOE + 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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Proficiency in working with API standards, security and gateway patterns * Experience with API Gateways and Management Platforms such as IBM API Connect, IBM DataPower, Apigee or Microsoft Azure API Manager
Proficiency in working with API standards, security and gateway patterns * Experience with API Gateways and Management Platforms such as IBM API Connect, IBM DataPower, Apigee or Microsoft Azure API Manager
You will continuously enhance your team's capabilities by implementing best practices in areas such as API design, data modelling, MLOps, and DevOps * Has experience in Stripe API implementation
You will continuously enhance your team's capabilities by implementing best practices in areas such as API design, data modelling, MLOps, and DevOps * Has experience in Stripe API implementation
Familiarity with API integration & data mapping.
Familiarity with API integration & data mapping.
Understanding of z/OS Connect for API enablement on mainframe environments.
Understanding of z/OS Connect for API enablement on mainframe environments.
Junior ServiceNow Developer - Manchester Leeds or Newcastle
Junior ServiceNow Developer - Manchester Leeds or Newcastle
FDM GROUP LIMITED
Leeds, West Yorkshire
Competitive
Proficiency in JavaScript and the Glide API, with hands-on experience using ServiceNow Studio and development tools
Proficiency in JavaScript and the Glide API, with hands-on experience using ServiceNow Studio and development tools
Experience with API Gateways (e.g. GCP). * Knowledge of security best practices in API development (e.g., SAML, OAuth, JWT).
Experience with API Gateways (e.g. GCP). * Knowledge of security best practices in API development (e.g., SAML, OAuth, JWT).
API Integration: Implement well-documented, testable APIs that enable seamless platform integration.
API Integration: Implement well-documented, testable APIs that enable seamless platform integration.