Software Engineer (React)

CERTAIN ADVANTAGE; London; Hybrid; GBP 150,000 - 200,000; Part time

Job summary

A leading global trading organisation is seeking a Software Engineer (React) for a hybrid role in London. This position involves working in a collaborative team to build high-quality applications that enhance trading performance. The ideal candidate has over 4 years of software engineering experience and 2 years of hands-on React development skills. This is a 6-month contract with negotiable rates.

Qualifications

• 4+ years overall software engineering experience.
• 2+ years' recent, hands-on React development experience.
• Proven experience building data-rich, user-friendly JavaScript/HTML/CSS applications.

Responsibilities

• Building UIs with modern tech such as React, ES6, Node.js, TypeScript.
• Delivering high-quality, well-tested, and maintainable code.
• Collaborating with internal stakeholders to plan, coordinate, and gather feedback.
• Contributing to the full product lifecycle, from concept to deployment.
• Championing performance, accessibility, and exceptional user experience.

Skills

React

Node.js

TypeScript

GraphQL

SQL/NoSQL

Redux

CSS-in-JS

Webpack

Jest

Enzyme

Job description

Software Engineer (React)
London (Hybrid)
6 month contract
Rates: Negotiable

We’re working with a leading global trading organisation that’s transforming its approach to market analytics to gain a competitive edge in crude and products trading. By harnessing rich internal and external data, and applying cutting-edge technology, this team delivers intuitive, data-rich products that empower analysts and traders to make smarter, faster decisions.

The Role

We’re seeking a Front-End Engineer to join a collaborative, cross-functional product team. You’ll work alongside other engineers, product owners, designers, and external vendors to create high-quality, user-friendly applications that directly influence trading performance.

What You’ll Be Doing

• Building UIs with modern tech such as React, ES6, Node.js, TypeScript, GraphQL, SQL/NoSQL, Redux, CSS-in-JS, Webpack, Jest, Enzyme
• Delivering high-quality, well-tested, and maintainable code
• Collaborating with internal stakeholders to plan, coordinate, and gather feedback
• Contributing to the full product lifecycle, from concept to deployment
• Championing performance, accessibility, and exceptional user experience

What We’re Looking For

• 4+ years overall software engineering experience
• 2+ years’ recent, hands-on React development experience (coding, testing, debugging, automation)
• Proven experience building data-rich, user-friendly JavaScript/HTML/CSS applications
• Exposure to GraphQL (desirable)
• Experience deploying production applications (Azure, AWS, etc.)
• Strong understanding of CI/CD principles
• A problem-solving mindset with excellent troubleshooting skills

If you’re a passionate front-end engineer who thrives in a fast-paced, data-driven environment, we’d love to hear from you.

Apply now with your updated CV and reach out to Tom Johnson at Certain Advantage - Ref: 78906