Senior UI (React) Developer - Up to $250,000 CAD P/A + Bonus - Montreal

Title – UI Developer Client – Fintech Start-Up (Trading) Rate - Up to $250,000 CAD P/A + Bonus Location – Montreal About the Company: Our client is a rapidly growing fintech start-up building next-generation technology for the FX and cryptocurrency trading markets. Their platform powers modern, high-performance trading infrastructure used by participants operating in fast-paced global financial markets. You’ll be joining a talented team of engineers with experience from leading technology companies and top-tier trading firms, working together to build reliable and scalable systems used in real-world trading environments. This is an excellent opportunity for an engineer looking to grow quickly, gain exposure to financial technology, and work alongside experienced developers in a collaborative and technically strong environment. The Role : We are looking for a Senior Front-End Engineer (5 + years’ experience) to join a growing engineering team and contribute to the development of modern front-office trading applications. You will work on high-performance, real-time web interfaces used by traders and clients, helping to build intuitive and reliable user experiences that operate in highly dynamic markets. Working closely with senior engineers, designers, and backend developers, you’ll have the opportunity to develop your technical skills while contributing to systems that are actively used within global financial markets. Requirements : 5 + years of experience working with JavaScript in a professional environment. Experience with modern front-end frameworks such as React or Angular. Strong understanding of front-end fundamentals, including component-based architecture, state management, and performance considerations. Some exposure to a backend language such as C#, Java, Python, or C++ is beneficial but not required. Strong communication skills and the ability to work collaboratively in a team environment. A proactive mindset and enthusiasm for learning new technologies.

Develop modern front-office trading applications and high-performance, real-time web interfaces for traders and clients. Collaborate with senior engineers, designers, and backend developers to build reliable and scalable systems for global financial markets.

Requires over 5 years of professional experience with JavaScript and modern front-end frameworks like React or Angular. Candidates should have a strong grasp of front-end fundamentals and a proactive mindset for learning new technologies.

• AngularPreferred
• ReactPreferred
• JavaScriptPreferred
• JavaPreferred
• C++Preferred
• PythonPreferred

Identified from the job description. Confirm important requirements above.

• JavaScript
• React
• Angular
• Component-based Architecture
• State Management
• Front-end Performance
• C#
• Java
• Python
• C++

• Software
• Technology
• Finance & Accounting
• Engineering
• Consulting

Minimum experience

5+ years

Apply by

Sep 6, 2026

Posting language

English

Working hours

40 hours per week

Seniority

Associate

Application method

Direct apply is available