Backend developer jobs in Belfast

 ...and use your skills to make a meaningful impact on our growth. We are looking for an experienced Software Engineer to join our great Backend Engineering team.The team faces complex engineering issues on a daily basis, both solving new challenges and constantly improving the... 

 ...engineering team working directly on the core platform. The role spans backend and frontend, with a natural lean towards the API and service...  ...build scalable backend services using Node.js and Fastify - Develop and maintain React-based frontend features as part of a full-... 

 ...established engineering team in Belfast . This is an excellent opportunity to become part of a collaborative team developing and enhancing large-scale backend platforms that support mission-critical enterprise applications used by customers worldwide. Competitive salary... 

 ...production AI. Within Actonomy, Forward Deployed Engineers work directly with customers to deploy Actonomy Core and help organisations develop impactful AI solutions You will work alongside customers to understand business problems, configure and implement Actonomy Core,... 

 ...SENIOR DEVELOPER Equipple | Belfast, Titanic Quarter — hybrid, minimum two days a week in the office Permanent, full time | £55,000–£65,000 depending on experience Closing date: Sunday 20 September 2026 Own the stack behind a growing EdTech platform — React, Node,... 

 ...Researchers, Strategists, Industry and Functional Specialists, we develop a vision, roadmap and case for change to address fundamental...  ...development and delivery of full stack products from frontend to backend. Build and maintain responsive, high-quality user interfaces... 

Hypership is hiring a Forward Deployed Engineer in Belfast. You'll own delivery end-to-end: discovery, design, build, ship - working directly with the client and using agentic tooling as your default way of working. Full-stack with cloud experience required. UK security clearance...

EWOR is launching cutting-edge new initiatives, and we are looking for exceptional operators and builders to join our new department. We are backed and led by serial entrepreneurs, including Paul Müller (founder of Adjust, €1.2B exit) and Petter Made (founder of SumUp, €8B...

 ...to ensure alignment and prompt resolution Take a proactive approach to support, digging into issues to identify root causes and developing long-term, proactive solutions to prevent recurrence Document and share knowledge effectively to elevate the team’s technical expertise... 

 ...your work. You will be the integrator across product, design, and backend — bringing Figma designs to life, surfacing gaps early, and...  ...office Extensive meaningful hands-on engineering experience developing large scale systems using JavaScript, TypeScript, or similar.... 

 ...production-grade AI products for complex legal workflows. This is a hands-on engineering role for someone who can move confidently from backend architecture to frontend delivery, from document ingestion to user experience, and from prototype to production without waiting for... 

 ...looking for people who embrace AI, are excited about the future, and want to help shape the way we embed AI tooling throughout our developer experience. Primary Job Responsibilities Design & build future-proof solutions to support growing business needs while thoroughly... 

 ...web applications using React and TypeScript Design scalable, maintainable UI architectures and reusable component libraries Develop backend services, primarily in Python Integrate with REST and GraphQL APIs Design, build, and operate cloud-native solutions on AWS...