Senior React/ Typescript Engineer

Senior Software Engineer (Front-End) - Belfast

At a Glance

• Senior front-end engineering role with a well-established technology and data business
• Hybrid working... 3 days per week in Belfast
• Salary up to £65,000
• Build modern, scalable interfaces used by clients around the world
• Newly expanded, spacious Belfast offices with standout culture and progression

About the Company

This is an established provider of technology and data solutions to the global financial and commodities markets, helping clients access liquidity and make better-informed trading decisions. The Belfast office has recently expanded into spacious new premises, with large communal areas and modern kitchens, and holds some of the highest staff retention rates in the local market alongside genuine opportunities for progression.

The Role

Join as a Senior Software Engineer and help shape the future of a growing suite of digital platforms. You will be part of a talented team delivering business-critical software, working on high-impact projects and influencing technical direction. Working in an Agile environment, you will take front-end solutions from design through to implementation, with a strong focus on continuous improvement and collaboration within self-organising, cross-functional teams. This is a great fit for a front-end engineer who enjoys ownership, craft and building interfaces that are genuinely used at scale.

Key Responsibilities

• Collaborate with Solution Architects and Principal Engineers to design and implement front-end solutions aligned with the wider IT strategy
• Take ownership of engineering deliverables, ensuring quality, usability and adherence to best practice
• Build modern, scalable user interfaces that support high-impact platforms
• Mentor and support team members, fostering a culture of technical excellence and continuous learning
• Drive innovation by exploring new technologies, frameworks and methodologies
• Communicate progress effectively and raise impediments early to minimise delivery risk

What You'll Need

Essential:

• Proven experience building modern, scalable and maintainable web interfaces using React, TypeScript, JavaScript and HTML/CSS, following reusable design patterns
• 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 (end-to-end, integration, regression) using tools like Selenium, Cypress or similar
• Proficiency with build tools such as Webpack or Vite
• Understanding of performance optimisation techniques and web security best practices
• Appreciation of the full SDLC, with proactive involvement across design, development, QA and post-release support
• Strong problem-solving skills, attention to detail and ability to validate approaches through POCs

Desirable / Nice to Have:

• Experience using Figma for design mock-ups and collaboration
• Familiarity with Storybook for UI component development
• Experience with AWS services, C# and relational databases

Why Apply?

• Salary up to £65,000
• Hybrid working... 3 days per week in Belfast
• Work on modern, high-impact platforms used at scale
• Newly expanded, spacious Belfast offices with large communal areas and modern kitchens
• Strong retention rates and genuine, structured progression opportunities
• Collaborative, self-organising engineering culture with real influence over technical direction
• Clear opportunities to grow your front-end craft and take on wider technical ownership

Next Steps

Interested in finding out more? Reach out to Eve Geddis on LinkedIn or send your CV to .

Skills:
React AWS Typescript

Benefits:
Medical Aid / Health Care Pension Fund

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