20 of 20 Permanent API Development Jobs in the North of England

solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Python Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for someone experienced in backend API development … co-founder of SkyScanner. Profits with Purpose - 10% of profits donated to 1moreChild orphanage yearlyMarkets: Marketing & eCommerce Agencies. eCommerce retailers. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. At ASK BOSCO® , part of Modo25, we’re building a smarter, faster, people-first marketing tech business. We're entering a … of key technical decisions, mentor a talented team of developers, and help build a culture of engineering excellence. What You’ll Be Doing: You’ll support the design and development of scalable Python applications that power our AI-driven marketing platform. From architecting robust systems to guiding our technical roadmap, you’ll work cross-functionally to turn strategy into More ❯

driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for someone experienced in backend API development … founder of SkyScanner. Profits with Purpose - 10% of profits donated to 1moreChild orphanage yearly Markets: Marketing & eCommerce Agencies. eCommerce retailers. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. At ASK BOSCO® , part of Modo25, we're building a smarter, faster, people-first marketing tech business. We're entering a … of key technical decisions, mentor a talented team of developers, and help build a culture of engineering excellence. What You'll Be Doing: You'll support the design and development of scalable Python applications that power our AI-driven marketing platform. From architecting robust systems to guiding our technical roadmap, you'll work cross-functionally to turn strategy into More ❯

solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Python Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for someone experienced in backend API development … founder of SkyScanner. Profits with Purpose - 10% of profits donated to 1moreChild orphanage yearly Markets: Marketing & eCommerce Agencies. eCommerce retailers. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. At ASK BOSCO® , part of Modo25, we're building a smarter, faster, people-first marketing tech business. We're entering a … of key technical decisions, mentor a talented team of developers, and help build a culture of engineering excellence. What You'll Be Doing: You'll support the design and development of scalable Python applications that power our AI-driven marketing platform. From architecting robust systems to guiding our technical roadmap, you'll work cross-functionally to turn strategy into More ❯

solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Python Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for someone experienced in backend API development … founder of SkyScanner. Profits with Purpose - 10% of profits donated to 1moreChild orphanage yearly Markets: Marketing & eCommerce Agencies. eCommerce retailers. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. At ASK BOSCO® , part of Modo25, we're building a smarter, faster, people-first marketing tech business. We're entering a … of key technical decisions, mentor a talented team of developers, and help build a culture of engineering excellence. What You'll Be Doing: You'll support the design and development of scalable Python applications that power our AI-driven marketing platform. From architecting robust systems to guiding our technical roadmap, you'll work cross-functionally to turn strategy into More ❯

solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Python Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture. This role is ideal for someone experienced in backend API development … founder of SkyScanner. Profits with Purpose - 10% of profits donated to 1moreChild orphanage yearly Markets: Marketing & eCommerce Agencies. eCommerce retailers. Your Expertise: Highly experienced Developer with experience of backend API development and working with modern data infrastructure. At ASK BOSCO® , part of Modo25, we're building a smarter, faster, people-first marketing tech business. We're entering a … of key technical decisions, mentor a talented team of developers, and help build a culture of engineering excellence. What You'll Be Doing: You'll support the design and development of scalable Python applications that power our AI-driven marketing platform. From architecting robust systems to guiding our technical roadmap, you'll work cross-functionally to turn strategy into More ❯

organisation in the manufacturing industry who are embarking on an exciting transformation project to develop a brand-new B2B solution that will replace our existing platform. While the core development will be outsourced, they're building a strong internal capability to support ongoing enhancements and ensure the solution evolves with our business needs. This is a fantastic opportunity to … be involved from the ground up and make a lasting impact. Your new role Collaborate closely with external development partners and internal stakeholders to ensure the new B2B solution is aligned with business requirements, scalable, and maintainable. Provide technical oversight during the development lifecycle and build in-house capabilities to support future enhancements, integrations, and continuous improvement initiatives. … What you'll need to succeed 1+ years in a similar role within a fast-paced warehousing or logistics environment. Web Development: Proficiency in HTML, CSS, JavaScript (React, Vue.js, or similar). Experience with Liquid templating (used in BigCommerce themes). Responsive design and accessibility standards. API Development & Integration: RESTful API design and consumption. Experience with More ❯

organisation in the manufacturing industry who are embarking on an exciting transformation project to develop a brand-new B2B solution that will replace our existing platform. While the core development will be outsourced, they're building a strong internal capability to support ongoing enhancements and ensure the solution evolves with our business needs. This is a fantastic opportunity to … be involved from the ground up and make a lasting impact. Your new role Collaborate closely with external development partners and internal stakeholders to ensure the new B2B solution is aligned with business requirements, scalable, and maintainable. Provide technical oversight during the development lifecycle and build in-house capabilities to support future enhancements, integrations, and continuous improvement initiatives. … What you'll need to succeed 1+ years in a similar role within a fast-paced warehousing or logistics environment. Web Development: Proficiency in HTML, CSS, JavaScript (React, Vue.js, or similar). Experience with Liquid templating (used in BigCommerce themes). Responsive design and accessibility standards. API Development & Integration: RESTful API design and consumption. Experience with More ❯

range of £30,000 - £50,000 The chance to contribute to an organisation making a meaningful social impact. Working within a supportive and mission-driven environment. Opportunities for professional development and career progression. Key Responsibilities Design, development, and implementation of modern, web-based applications. Drive improvements across codebases, development practices, and deployment processes. Build and manage APIs … and cloud platforms. Work within Agile and DevOps methodologies to deliver high-quality solutions. About You Proven experience in software development with expertise in C#, .NET, Azure, and SQL . Strong background in API development, cloud adoption frameworks, and modern architectures. Excellent problem-solving skills with the ability to thrive under pressure. Skilled in CI/CD More ❯

You'll help design and implement robust, secure systems, write clean and testable code, and support key architectural decisions. You'll also collaborate with cross-functional teams, contribute to API development, and mentor junior developers. There's potential to lead a small team and take ownership of a stream of work depending on your experience and goals. Key … using Java, TypeScript, and React-so flexibility and a passion for learning are key. Benefits: Salary up to £70k depending on experience 25 days' holiday + bank holidays Personal development budget Collaborative, supportive engineering culture Modern stack with evolving tech roadmap Opportunity to lead a small development team What Happens Next? Please either apply online or email me … only. We look forward to hearing from you! Key Skills: PHP, Symfony, MySQL, REST APIs, Microservices, JavaScript, React, Java, AWS, Docker, CI/CD, Git, Secure Coding, Test-Driven Development, Distributed Systems, Infrastructure as Code (CDK/Terraform), Linux/Bash More ❯

/BDD principles Create and maintain RESTful and GraphQL APIs Collaborate with POs, BAs, and stakeholders to define solutions Mentor junior developers and promote best practices Drive improvements in development processes and tools What You Bring 5+ years of backend development experience Expertise in C#, .NET (preferably .NET 6+), and SQL Server Deep understanding of SOLID and OOP … principles Skilled in Git, Unit Testing (NUnit), and API development Familiarity with CI/CD pipelines and agile methodologies Strong communication and problem-solving skills Desire to grow within a dynamic and evolving team Why Join? This is an incredible opportunity to make your mark in a company that prioritises purpose, innovation, and professional growth. You'll be … part of a team where your ideas are welcomed, your development is encouraged, and your work truly matters. Ready to build something that helps others-and builds your career in the process? Apply today. 48954MSR1 INDMANS More ❯

performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have experience with cloud services More ❯

performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have experience with cloud services More ❯

join our team and contribute to this exciting journey. Role Overview As a Software Engineer, you will be pivotal in supporting and modernizing our existing systems and driving the development of our new platform(s). As a successful candidate and working in a team, you will be given the freedom to lean as explore new technologies that best … Familiarization : Quickly get up to speed with the current system to provide immediate support and understand its architecture. Modernisation : Assist with the modernisation of existing systems to new platforms. API Development : Collaborate with stake holders to design and develop robust APIs critical for the system transition. AI : Help find opportunities to implement systems that bring efficiencies using AI … Portal Development : Contribute to the design and development of portals to enhance client and partnership experiences. Skills and Experience Required Proficient in .Net, C# and ReactJS , with hands-on experience (3-5 Years) in building robust applications. Strong knowledge of SQL Server , including database design and query optimization. Experience in developing and consuming APIs . Beneficial to have More ❯

About the job A technology led organisation in Chester are growing their development team. They are seeking passionate Java Developers to join their team to help create secure, scalable and customer first solutions. Paying up to £80k package per annum you will be based out of their Chester offices 2 days a week. They are looking ideally for Backend … to join their collaborative working environment. If you want to make a real impact - this could be the perfect team for you! Key skills: Strong Java programming with RESTful API development Spring Boot framework experience Cloud based technologies, GCP preferred (Azure or AWS welcome) Build and deploy containerized applications with Docker and Kubernetes CI/CD tools (GitHub More ❯

and technical excellence. What they offer: Work with an advanced core platform built on MS .NET C# and hosted in the public cloud using MS Azure. Engage with modern API development using Node.js with TypeScript and create dynamic web experiences with Angular. Gain experience with Infrastructure as Code via Terraform, streamline development using CI/CD with More ❯

pair programming and Agile ceremonies Contribute to second-line support and occasional out-of-hours support Communicate technical concepts clearly to non-technical stakeholders Stay engaged with the wider development community and share best practices Essential Skills Strong experience with Java 21 or later Deep understanding of TDD and BDD Proven experience with large-scale microservice architectures Agile development experience Familiarity with Unix-like systems (Linux/Mac OS X) Responsive Web Design principles API development and CI/CD pipelines Ability to quickly learn new tools and techniques Desirable Skills Jackson, JAX-RS, Mockito Messaging platforms: ActiveMQ, Kafka MongoDB or other document databases Experience with high-traffic websites and large datasets Ideal Candidate Traits Flexible More ❯

Offer Fully remote within the UK Salary up to £80,000 33 days annual leave Pension & healthcare A role with genuine social impact A supportive, mission-driven workplace Professional development and clear career progression Key Responsibilities Lead the design, development, and delivery of modern, web-based applications Improve codebases, development practices, and deployment processes Mentor engineers and … and non-technical stakeholders to design effective systems About You Extensive experience with C#, .NET, and SQL Strong expertise in Azure and cloud adoption frameworks Proven track record in API developmentand modern system architectures At least 3 years experience in a leadership role Strong problem-solving skills and ability to perform under pressure Hands-on experience with CI/ More ❯

and SharePoint to deliver business-critical digital solutions. If youve also worked in the following roles, wed also like to hear from you: Web Developer, Application Engineer, Systems Developer, API Developer This job is officially known within the organisation as a Senior Application and Integration Developer SALARY: £48,630 to £54,773 per annum + Benefits (see below) LOCATION … connect internal and cloud-based systems, ensuring secure, efficient data flow and automation across the organisation. The Senior Application and Integration Developer/Software Developer will also support the development of applications using Microsoft Power Platform and SharePoint, while collaborating with colleagues and stakeholders to translate requirements into effective solutions. APPLY TODAY Ready to make your next career move … Apply Today for our Recruitment Team to review. DUTIES Your duties as the Senior Application and Integration Developer/Software Developer include: Application Development: Build, deploy and maintain applications using Microsoft Power Platform and SharePoint System Integration: Design and implement integrations using Microsoft BizTalk Server and APIs SharePoint Solutions: Customise and extend SharePoint Online for collaboration and document management More ❯

and SharePoint to deliver business-critical digital solutions. If youve also worked in the following roles, wed also like to hear from you: Web Developer, Application Engineer, Systems Developer, API Developer This job is officially known within the organisation as a Senior Application and Integration Developer SALARY: £48,630 to £54,773 per annum + Benefits (see below) LOCATION … connect internal and cloud-based systems, ensuring secure, efficient data flow and automation across the organisation. The Senior Application and Integration Developer/Software Developer will also support the development of applications using Microsoft Power Platform and SharePoint, while collaborating with colleagues and stakeholders to translate requirements into effective solutions. APPLY TODAY Ready to make your next career move … Apply Today for our Recruitment Team to review. DUTIES Your duties as the Senior Application and Integration Developer/Software Developer include: Application Development: Build, deploy and maintain applications using Microsoft Power Platform and SharePoint System Integration: Design and implement integrations using Microsoft BizTalk Server and APIs SharePoint Solutions: Customise and extend SharePoint Online for collaboration and document management More ❯

Role: As a Senior Mobile Developer, you will take ownership of designing and delivering mobile-first applications across iOS, Android and web. You will work across the full software development lifecycle, from gathering requirements and managing backlogs to testing, deployment and delivery. This is a hands-on position where you'll also provide mentoring, drive best practices and ensure … Develop and implement applications using React Native, Xamarin, Blazor and Objective-C Build and maintain REST APIs with third-party integrations Lead automated testing and CI/CD pipeline development Oversee deployment processes and ensure robust release quality Mentor junior developers and share technical expertise Ensure compliance with security and industry best practice Requirements: 5+ years' experience with .NET … and C# Proven track record delivering mobile solutions across multiple platforms Strong knowledge of React Native, Xamarin, Blazor and Objective-C Solid understanding of REST API design and development Experience building accessible, mobile-first UIs and UXs Familiarity with cloud platforms (AWS preferred) Strong problem-solving skills and mentoring ability This is a fantastic opportunity to join a More ❯