Senior React Developer

Join as a Senior Software Engineer and help shape the future of business critical digital platforms used across an internal broking division and external clients. Working in an agile, self organising, cross functional team, you will take solutions from design through to implementation, with real scope to influence technical direction. This role suits an engineer who is passionate about front end engineering, enjoys mentoring others and thrives in a fast paced, innovative setting., * Collaborate with Solution Architects and Principal Engineers to design and implement front end solutions aligned to the wider IT strategy

• Own engineering deliverables end to end, ensuring quality, usability and adherence to best practice
• Mentor and support team members, building a culture of technical excellence and continuous learning
• Drive innovation by exploring new technologies, frameworks and methodologies
• Communicate progress clearly and raise impediments early to minimise delivery risk
• Build modern, scalable and maintainable web interfaces using React, TypeScript and JavaScript
• Deliver consistent UX and UI across browsers using reusable design patterns
• Create automated tests across end to end, integration and regression suites

• Proven experience building modern, scalable web interfaces using React, TypeScript, JavaScript and HTML/CSS
• Strong knowledge of HTML5, React 16+, TypeScript 4+, JavaScript ES6 and JSX
• Experience delivering consistent UX and UI across browsers
• Familiarity with component libraries such as Material UI or Ant Design
• Hands on experience creating automated tests using tools such as Selenium or Cypress
• Proficiency with build tools such as Webpack or Vite
• Understanding of performance optimisation and web security best practice
• Strong grasp of the full SDLC, from design and development through to QA and support

Desirable / Nice to Have:

• Experience using Figma for design mock ups and collaboration
• Exposure to financial or trading platforms
• Experience with AWS, C# and relational databases

• Up to £65,000
• Hybrid working, based in Belfast
• Work on business critical platforms powering global financial markets
• High impact projects with genuine influence over technical direction
• Collaborative, self organising, cross functional agile teams
• Real opportunities for professional growth and progression

Next Steps

If this sounds like your next move, get in touch with Aaron Somers at or connect on LinkedIn to find out more.

Our client is a world leading provider of market infrastructure, connecting clients to global financial and commodities markets. They are among the largest interdealer brokers in the world by revenue, with a long, established history and a global footprint spanning dozens of countries. Their engineering teams sit at the heart of the business, building the software that powers broking and trading across the group.