Full Stack Developer Jobs in Northern Ireland, United Kingdom

Innovation Team at Innocraft builds privacy-first analytics innovations for Matomo. Own end-to-end development from concept to production, prototyping AI‑powered insights and new features across PHP, JavaScript, Python and Node.js. Remote within Ireland, fully remote work model with flexible hours.

Equities Technology at Citi is transforming a global platform for execution, clearing and margining. The Full Stack Engineer leads UI development for the Equity Finance team, providing technical direction, forecasting UI advances, and mentoring a distributed group of developers.

Full Stack Engineer (C#/WPF UI) – VP at Citigroup’s Equity Finance Technology team. The team builds a best‑in‑class global equities platform, re‑engineering execution, clearing and margining systems.

Equity Finance Technology team seeks Full Stack Engineer (C#/WPF/React UI) in Belfast. Role involves leading UI development across global locations, providing technical direction, code reviews, and ensuring architecture compliance.

Develop and build innovative tools for Workforce Master Central (WMC) to improve performance, streamline workflows, and deliver best-in-class UX at Citigroup.

Propylon, the Dublin-based content‑management arm of RWS, builds software for legal and regulatory workflows, enabling governments and organisations to manage legislation and compliance efficiently. As a Full Stack Developer you will design and implement both backend and frontend components, contribute to product architecture, and drive development across client projects using Python/Django and modern JavaScript frameworks.

TimeArc Product Team at Propylon builds and enhances the flagship legislative content management platform for global regulatory workflows. The Full Stack Engineer designs application architecture, develops backend components, integrates APIs and collaborates on product decisions while participating in code reviews.

UKI Platform and Enablement Super Tribe at Power Leisure Bookmakers Ltd drives AI innovation across Flutter UK & Ireland, building intelligent systems that shape the future of our platform and customer experience. The Full Stack Engineer owns features end‑to‑end, designing Python FastAPI backends, React/TypeScript frontends, and integrating LLM capabilities to deliver AI features users love.

Paid Support Experience team at Stripe builds a greenfield product to give merchants AI‑driven and expert support. As a founding engineer, you design and ship full‑stack systems, build APIs, and experiment with AI to improve workflows.

Full Stack Engineer at EXL in Dublin, building AI‑enabled full‑stack applications with Python and React. Day‑to‑day work includes designing, developing, and deploying Agentic AI solutions, troubleshooting across the stack, and collaborating with product managers and designers in an agile environment.

Virtu Development Team at Virtu Financial builds next‑generation web‑based trading tools for a global market‑making firm. The Full Stack Developer designs intuitive user interfaces and scalable back‑end services, collaborating with traders, operations, and other engineers to deliver real‑time trading, visualization, analysis, and reporting tools.

Propylon, the Dublin‑based content‑management arm of RWS Group, is building next‑generation legal and regulatory workflow software. The Full Stack Developer will design and implement scalable Python/Django back‑ends and modern React front‑ends, driving architecture and code quality across client projects.

Photon Group Full Stack Team builds high‑performance web applications using Java, Spring Boot, and Angular. The role designs responsive SPAs, implements microservices, and manages cloud deployments on AWS or Azure.

Design and build tools to automate deployment and management of CrowdStrike’s cloud infrastructure. Lead architecture for production systems, collaborate with business partners, and drive technical excellence across the team.

Full Stack Developer role at AIG focuses on end‑to‑end application development within the Standard Commercial Underwriting Platform. The candidate will collaborate with architecture and design teams, produce low‑level design deliverables, write code and unit tests, manage dependencies, and resolve defects.

Full Stack Engineer to build secure, scalable backend and modern frontend for EXL Premium Audit platform. Collaborate with architects and product owners, integrate AI services, mentor juniors, and ensure high-quality delivery in a hybrid environment.

EXL seeks a Full Stack Engineer to build and maintain Python‑based backends and React.js frontends, integrate AI agent solutions, develop RESTful APIs, and collaborate across teams in a hybrid environment. The role emphasizes clean, secure code, agile delivery, and continuous learning in a global data and AI company.

F5 seeks a Full Stack Engineer to join its AI Security team, designing and maintaining scalable backend services that power cutting‑edge AI solutions. The role blends Python, FastAPI, and PostgreSQL expertise with modern cloud practices on AWS, Docker, and Kubernetes.

Full-Stack Engineer at BNY Mellon, part of the global software engineering team driving AI‑first solutions for financial services. The role designs, develops, and maintains Java/Spring/Angular web applications, collaborates across Ireland, India, and the US, and ensures secure, scalable code through rigorous testing and continuous improvement.

Full stack developer (T‑Shaped) at BNY Mellon in Dublin. Lead design, development, and deployment of Java/Spring/Angular web apps, Oracle DB, Kafka, Docker, and AI LLMs.