Senior Software Engineer (React, Typescript)

Ocho People; Belfast; Hybrid; GBP 65,000 - 75,000; Full time

Job summary

A global market infrastructure organisation is seeking a Senior Software Engineer in Belfast to enhance its digital platforms. In this role, you'll join a high-performing Agile team, responsible for designing and implementing front-end solutions that power global financial markets. Candidates should have strong experience with React, TypeScript, and automated testing. This position offers a salary of 65-75k and encourages collaboration and innovation throughout the full delivery lifecycle.

Qualifications

• Strong experience building modern web interfaces using React, TypeScript, JavaScript and HTML/CSS.
• Experience delivering consistent UX/UI across browsers.
• Solid knowledge of React 16+, TypeScript 4+, and HTML5.

Responsibilities

• Design and implement front-end solutions in collaboration with solution architects and senior engineers.
• Take ownership of engineering deliverables, ensuring quality and best practice adherence.
• Mentor and support engineers, fostering technical excellence.

Skills

React

TypeScript

JavaScript

HTML/CSS

Automated testing

Tools

Cypress

Selenium

Webpack

Vite

Job description

Senior Software Engineer (React, Typescript)

Location: Belfast (3 days per week in office)

Salary: 65-75k + bonus

A global market infrastructure organisation is seeking a Senior Software Engineer to help shape the future of its digital platforms, delivering business-critical software for internal broking teams and external clients.

You’ll join a high‑performing Agile engineering team working on high‑impact, front‑end focused initiatives that power global financial markets. The role offers the opportunity to influence technical direction, build intuitive and scalable user interfaces, and contribute across the full delivery lifecycle from design through to production.

This is a collaborative environment that values innovation, experimentation and continuous improvement within self‑organising, cross‑functional teams.

Role Responsibilities

• Design and implement front‑end solutions in collaboration with solution architects and senior engineers
• Take ownership of engineering deliverables, ensuring quality, usability and best practice adherence
• Mentor and support engineers, fostering technical excellence and knowledge sharing
• Explore and introduce new technologies, frameworks and approaches where appropriate
• Communicate progress clearly and raise risks or impediments early

Experience & Skills

• Strong experience building modern web interfaces using React, TypeScript, JavaScript and HTML/CSS
• Solid knowledge of React 16+, TypeScript 4+, JavaScript ES6, JSX and HTML5
• Experience delivering consistent UX/UI across browsers
• Familiarity with component libraries such as Material UI or Ant Design
• Hands‑on experience with automated testing (e2e, integration, regression) using Cypress, Selenium or similar
• Experience with build tools such as Webpack or Vite
• Understanding of front‑end performance optimisation and web security best practices
• Strong appreciation of the full SDLC with involvement across design, development, QA and support
• Excellent problem‑solving skills and attention to detail

Desirable experience includes Figma, Storybook, financial or trading platforms, AWS, C#, relational databases, and TDD or BDD practices.

Apply here or reach out to Aaron Somers at Ocho for more information via LinkedIn.