Full stack developer jobs in Northern Ireland

 ...learning within technology departments, and giving as close to real-world experience in a managed setting. You’ll be one of the first full-time engineers, not just roiling your sleeves and getting amongst it with the code, but also bringing ideas to the table, designing... 

 ...EY and help to build a better working world. Manager | Senior Full-Stack Engineer | Technology Consulting | Belfast In Digital...  ...Researchers, Strategists, Industry and Functional Specialists, we develop a vision, roadmap and case for change to address fundamental issues... 

 ...KYC and compliance intelligence platform - Core stack: TypeScript, Node.js (Fastify), React, MongoDB, AWS...  ...backend services using Node.js and Fastify - Develop and maintain React-based frontend features as part of a full-stack remit - Architect and manage complex data... 

 ...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 eligibility required (BPSS/SC). Salary up to £80,000.... 

 ...specialists, technologists, and process consultants across Europe and North America – Join us!   The Role: Factor Law is hiring a Full Stack AI Engineer based in Belfast to build production-grade AI products for complex legal workflows. This is a hands-on engineering role... 

 ...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... 

 ...execution and impact The Role Proofpoint is hiring a Staff Full Stack Engineer on Satori, our enterprise AI agent platform driving...  ...office Extensive meaningful hands-on engineering experience developing large scale systems using JavaScript, TypeScript, or similar.... 

 ...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,... 

 ...Job Title:  Full Stack .NET Engineer Location:  Belfast, Northern Ireland Work Arrangement:  Hybrid Position Overview:  We are...  ...want to help shape the way we embed AI tooling throughout our developer experience.    Primary Job Responsibilities: Design & build... 

 ...experience in a managed environment. This isn’t your typical project; it’s something new, innovative, and groundbreaking. As one of the first full-time front-end engineers, you’ll play a key role in bringing this platform to life. You’ll not only write beautiful code but also... 

Upwind is a next-generation Cloud Security Platform that leverages runtime context to identify and prioritize critical risks, providing precise insights and efficient cloud security management. Unlike traditional tools, Upwind uses runtime data proactively for risk prioritization...

 ...a modern, enterprise-grade GenAI platform on AWS. This is a full-stack engineering role with a strong frontend focus, where you'll spend...  ...maintainable UI architectures and reusable component libraries Develop backend services, primarily in Python Integrate with REST and... 

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...

 ...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,... 

 ...an excellent opportunity to become part of a collaborative team developing and enhancing large-scale backend platforms that support mission...  ...enterprise-level Java services and APIs. Working throughout the full software development lifecycle, you'll collaborate with engineering... 

 ...core, and React on the frontend. You’ll have the chance to design and build new products from the ground up, work end‑to‑end across the stack, and contribute directly to how the platform scales and evolves. The Person ~6+ years’ experience building and scaling software... 

 ...practice, we build sustainable and predictable sales pipelines for our market-leading offerings. What You’ll Do As a Content Developer in the Content team, you will play a central role in shaping how Kainos’ SaaS products are presented to customers and prospects. You... 

 ...Senior C# and React Full stack Developer | Front Office Trading House | £90,000 + Strong bonus | 3 days in the Office, Belfast Senior C# and React, full stack Developer is needed for a Belfast-based Hedge Fund who operate across the energy, commodities, equities and other... 

 ...applications and services that meet the needs of the business while also being scalable, performant and easy to maintain. This is a full-stack role with a backend focus, where you will be expected to take full ownership of large pieces of business critical functionality.... 

 ...growing online prize competition business, is hiring a Software Developer to join their existing technology team in Northern Ireland....  ...high-volume or transactional websites/applications . Strong Full Stack development experience across backend and frontend technologies... 

 ...for a Digital Experience Executive to take full ownership of the flawless execution of...  ...real autonomy, and using the full DX tool stack to uncover insights that drive commercial...  ...Proactively seek to grow knowledge and develop professionally, acting on feedback from managers... 

 ...ADS builds and manages the entire decision stack - from designing and deploying the ML...  ...ownership. Data scientists in Signifyd are true “full stack” operators, requiring knowledge of...  ...alone. Together we help each other develop our skillsets through peer review of experiments... 

 ...) to maintain platform stability. This is an ideal role for someone early in their career with a strong desire to learn the full infrastructure stack including: Linux, Windows, Virtualization, and AWS within a mission-critical production environment. What Will You Be Involved...