api developer jobs in Newcastle upon Tyne

You will play a key role in designing scalable, secure, high-performance services that power mission-critical applications within the healthcare technology landscape. Key Responsibilities Design, develop, and maintain RESTful APIs and microservices using Vue JS and Spring Boot.

Full Stack Engineer / Developer (TypeScript API React) London / WFH to £60k Are you a bright, ambitious technologist who enjoys working with a range of programming languages across the full tech stack? You could progress your career at a scaling tech company that has developed a digital distribution platform transforming electronic trading in the institutional FX options market via a central...

You will be instrumental in shaping our technical direction, driving the evolution of our APIs, ensuring our services are resilient, scalable and secure within a cutting-edge, cloud-native environment (Helm, Kubernetes).

Full Stack Software Developer – Newcastle KO2’s client develops cutting-edge technologies that have a real-world impact. They’re now looking for a Full Stack Software Developer to join their growing digital team in Newcastle and take their software platforms to the next level. This is your chance to own and evolve web, mobile, and cloud solutions—integrating seamlessly with industry-leading...

.NET Developer, C#, .NET 9, Angular 19, Web API 2 - Newcastle (Tech stack: .NET Developer, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) Have you ever thought about getting from London to Edinburgh in 30 minutes? My client, a world leader in aerospace technology, and has decided to undertake research into a subsonic...

Full Stack Software Developer – Newcastle Before applying for this role, please read the following information about this opportunity found below. KO2’s client develops cutting-edge technologies that have a real-world impact. They’re now looking for a Full Stack Software Developer to join their growing digital team in Newcastle and take their software platforms to the next level. This is your...

You will receive industry recognized training in all aspects of: . NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. Our client offers a structured career progression programme. It is common place for developers within their firm to receive their first promotion (and pay rise!

Software Engineer Location: Newcastle-upon-Tyne (2 days a week) Compensation: Up to £60k + Benefits Are you ready to make a meaningful impact on a platform that handles over 200,000 transactions per minute and serves more than 1 million active users each month? Join our client's Product Engineering team and help design, build, and scale modern, high-performance systems that power a thriving...

Salesforce Developer We’re seeking an experienced Salesforce Developer to lead the technical vision, governance, and design of our clients Salesforce ecosystem. This role would be ideal for a developer looking to move into a development role with an element of Architecture. Ideally you will have experience with CPQ and LWC. Responsibilities • Act as the architectural authority for Salesforce,...

EdTech Frontend Developer – Vue/Nuxt (Mid-Level+) I am looking for a Frontend Developer with 2+ years' experience working with modern web technologies to join my clients team who are in the EdTech space! Core Skills: - Vue.js & Nuxt 4 (Vite, Composition API, Pinia, Nuxt Plugins) - TypeScript / JavaScript (ES6) – clean, maintainable, typesafe code - RESTful API integration - Responsive UI using...

Senior D365 CE Developer Home-based in the UK (no sponsorship can be offered) Must be eligible for SC Clearance Dynamics 365, Power Platform, CE/CRM, Javascript, AI This role is an opportunity join a leading Microsoft Solutions Partner specialising in D365, Digital Transformation, Power Platform, Azure, and AI. They are looking for a Dynamics 365 CE Developer to design, develop, and deliver...

You will be joining the Commerce Platform team, a cross-functional group focused on designing, implementing, and evolving subscription and billing infrastructure.

You will lead the design and implementation of new integrations between Zuora and Workday to support real-time or near-real-time syncing of:

You will have the opportunity to work with . Net Core, ReactJS, Cloud and Container technologies, numerous database engines all in a high performance, high availability, and highly secure environment.

You will want to push yourself and constantly learn new skills

You will be very well organised and can organise others

You will want to take ownership of our product and care about our platform

Senior Python Developer – iGaming (RGS Integration) Location: Buenos Aires, Argentina Salary: negotiable, depending on experience Clear Edge has partnered with a leading iGaming provider to recruit a Senior Python Developer. This is a chance to join a fast-growing company where you’ll play a vital role integrating their Remote Gaming Server (RGS) with global casino platforms, ensuring secure,...

You will be responsible for the end-to-end design, development, and delivery of a critical, high-scale digital service. Leveraging your expertise across the full technology stack, you will build robust solutions that meet stringent standards for security, performance, and reliability.

Our client is an award-winning creative digital agency known for producing beautifully crafted, high-performing websites and digital experiences for a diverse range of brands. With a strong reputation for quality, creativity, and innovation, they’re looking to bring a talented WordPress Developer into their permanent team to help deliver outstanding client projects. The Role As a WordPress...

Full Stack Developer Location: Remote UK (first week on site at Altrincham office, WA14 5UW, travel and accommodation covered) Hours: Full-time, Mon-Fri, 9:00-17:00 Start Date: February 2026 Salary: £45-50k Due to ongoing expansion and internal progression, we’re now looking for a Full Stack Developer to join our wider Web and DevOps team. You’ll work on high-impact, modernisation projects,...

You will be a Senior level App Developer to join an in-house team to help develop and launch two exciting new products that will form a key part of the company proprietary event technology suite. Working closely with the CTO, following clear technical requirements along with an experienced Developer and the Head of department to bring both apps to life, from initial build to live deployment.

Node.js / JavaScript Developer (Outside IR35) Location: UK Remote (Manchester or London preferred for occasional meetings) Rate: £400 per day (Outside IR35) Duration: 3 months (initial) Start Date: ASAP The Role We're looking for an experienced Node.js / JavaScript Developer to join a 3-month greenfield project, focused on upgrading and modernising an existing system from Perl to...

.NET Developer - Worthing (Tech stack: .NET Developer, .NET 9, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) In just over 5 years our client has established themselves as the world's leading internet subscription service for enjoying films and TV programmes. They currently have over 15 million streaming members across the UK,...