This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Front-End Developer (React.js) based in Canada.
This is a high-impact senior engineering role focused on building scalable, performant, and modern web applications within the financial services and fintech space. You will contribute to complex, enterprise-grade digital platforms used by credit unions and banking clients, working across both frontend and backend systems. The role requires strong architectural thinking, deep React expertise, and the ability to navigate full-stack environments involving Java, .NET, and Node.js. You will collaborate with distributed, cross-functional teams to deliver seamless user experiences backed by reliable APIs and cloud-native infrastructure. The environment is fast-paced, Agile-driven, and centered on engineering excellence, quality delivery, and continuous improvement. This position is ideal for a senior technologist who thrives in solving complex integration challenges while maintaining a strong focus on performance and usability.
Accountabilities:
Lead the development and delivery of scalable, high-performance web applications across complex financial and fintech ecosystems.
- Build and maintain responsive, enterprise-grade web applications using React.js, TypeScript, HTML5, and CSS3
- Architect modular, reusable, and scalable frontend and full-stack code structures
- Integrate diverse backend services and APIs across Java (Spring Boot), .NET Core (C#), Node.js, and Python systems
- Translate UI/UX prototypes into pixel-perfect, accessible, and high-performance interfaces
- Optimize application performance across frontend and backend layers, ensuring reliability and speed
- Lead code reviews, enforce engineering best practices, and mentor intermediate developers
- Collaborate in Agile/SCRUM environments and contribute to continuous delivery improvements
- Ensure seamless system integration, data flow, and cross-platform compatibility across cloud-native environments
Requirements:
10+ years of experience in full-stack or front-end-heavy development, including at least 3 years in a senior or lead role. Strong expertise in React.js and modern web technologies is essential, along with proven experience in complex, multi-stack environments.
- Expert-level proficiency in React.js, TypeScript, HTML5, and CSS3 (Sass/LESS)
- Strong backend experience across Java (Spring Boot), .NET Core (C#), and Node.js
- Solid understanding of RESTful APIs and GraphQL design and integration
- Hands-on experience with Azure cloud services (App Services, Functions, Key Vault, etc.)
- Strong experience with Python in modern web or backend development contexts
- Deep knowledge of testing frameworks such as Jest, Mocha, xUnit, or JUnit with a test-first mindset
- Experience working in professional services or consulting environments with client-facing responsibilities
- Strong system design skills and ability to work across distributed architectures
- Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience
- Canadian citizenship or permanent residency required
- Experience in fintech, banking, or credit union projects is a strong asset
- Familiarity with multi-cloud environments (AWS, GCP) or mobile development (React Native) is a plus
Benefits:
- Competitive hourly rate: CAD $60–$90/hour, based on experience and location
- Fully remote-first contract opportunity
- Comprehensive medical, dental, and extended health coverage (for eligible full-time employees)
- Employee bonus programs and performance incentives
- Collaborative, high-performing engineering culture
- Exposure to large-scale fintech and digital banking transformation projects
- Team-bonding activities and professional development opportunities
- Work with modern cloud-native and distributed system architectures