Full Stack Developer Jobs in Northern Ireland, United Kingdom

Turnblock.io Fintech Payments Team builds a cryptocurrency payment solution that modernizes finance by enabling instant transactions and crypto-to-cash settlements for merchants. The Full Stack Developer will lead backend architecture, design and implement features using Elixir Phoenix, React and WebSockets, and solve scaling challenges in a fast‑paced environment.

Barclays Capital Securities team builds digital platforms that enable secure, scalable services for customers and colleagues. As a Full Stack Developer you will design, develop and improve end‑to‑end software solutions, collaborate with product managers, designers and engineers, and ensure code quality through reviews, secure coding practices and unit testing.

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.

Barclays Capital Securities team builds robust digital platforms for financial services. The Senior Full Stack Developer designs, develops and delivers end‑to‑end software solutions, collaborating with product managers, designers and engineers to define requirements and ensure secure, high‑performance code.

A partner company seeks a Full Stack Developer to build scalable, cloud-based applications in Ireland. The role involves developing Python backend services and TypeScript frontend interfaces using Angular or React.

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.

Oracle Ledger Program at Citi builds and maintains the common services and user interfaces that underpin critical financial systems. The Senior Full Stack Developer designs, develops and supports full stack applications using Java, Angular/React and REST APIs, and provides L3 technical support across a global delivery model.

Payments Team at Turnblock.io builds a cryptocurrency payment platform that enables instant crypto-to-cash settlements for merchants. The Full Stack Developer will lead backend architecture, design and implement features using Elixir Phoenix, EEx, React and WebSockets, and drive technical decisions in a fast‑paced environment.

Turnblock.io is building a leading cryptocurrency payment solution that modernizes finance by enabling instant crypto-to-cash settlements for merchants. As a Full-Stack Developer you will design and implement back‑end services, lead architecture decisions, and create design‑focused front‑end features using Elixir/Phoenix and React to scale the platform globally.

Digital, Data and Cloud team at Version 1 builds enterprise‑grade web analytics platforms. As a Senior Full Stack Developer you will design, develop and maintain SPA front‑ends with React and D3.js, create C# APIs, and own CI/CD pipelines while mentoring junior engineers and providing Level 3 support.

Full Stack Developer on the Payments team at Turnblock.io, building a disruptive cryptocurrency payment platform that enables instant crypto-to-cash settlements for merchants. The role focuses on back‑end architecture, defining system design, and implementing features using Elixir Phoenix, React, and WebSockets while collaborating with a passionate, remote‑first team.

Analog Devices Software Development team builds cutting-edge software solutions that bridge the physical and digital worlds for intelligent edge applications. The Senior Engineer leads major feature development, mentors junior engineers, drives architectural decisions, and collaborates cross‑functionally to define requirements and improve processes.

Mindrift's Tendem project builds interactive browser-based applications powered by AI. As a freelance Full-Stack Web App Developer you will design, develop, and maintain full-stack web applications using modern frontend frameworks and Python/Node backends, integrate AI/LLM services, and create supporting Python tools. Remote work from anywhere in Europe, full remote schedule, compensation up to $60/hr.

Charles River Development’s OTC Team builds a modern, cloud‑native Enhanced OTC Module to support financial services clients. The Senior Full‑Stack Cloud Native Developer designs, develops, and tests Java and React components on Azure, while mentoring peers and driving architectural excellence.

Turnblock.io is building a blockchain platform that provides transparent distribution of resources for governments, NGOs, corporates and charities. As a Full Stack Developer you will design and implement Go-based micro‑services, create interactive front‑end components with TypeScript/React, develop robust APIs and SDKs, and apply event‑sourcing/CQRS patterns while mentoring remote teammates.

This Full Stack Developer role supports a global technology project building scalable, secure, and high-performance digital platforms. Day-to-day work spans the full stack: developing modern React user interfaces, building robust Node.js backend services, and contributing to data-driven microservices with Python.

Fintech Payments Team at Turnblock.io builds a disruptive cryptocurrency payment platform that enables merchants to accept digital currencies with instant settlement. The Full-Stack Developer will lead backend architecture, design and implement full‑stack features using Elixir Phoenix and React, and solve scaling challenges across a remote‑first environment.

Global Cyber Security (GCS) Cyber Data & Analytic division builds cyber data-driven applications. The engineer leads design and implementation of scalable, secure AI application architectures, provides front‑end (React) and back‑end (FastAPI) solutions, and ensures code quality and compliance.

Fintech Payments Team builds a disruptive cryptocurrency payment platform that enables instant crypto-to-cash settlements for merchants worldwide. The Full-Stack Developer will lead backend architecture, design and implement features using Elixir Phoenix, EEx views, React and WebSockets, and drive technical decisions in a fast‑paced environment.