Full Stack Developer
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Full Stack Developer based in Canada.
This is a senior-level engineering opportunity focused on building and evolving complex, high-performance applications within the financial services and fintech ecosystem. You will work across the full technology stack, contributing to both backend services and modern frontend experiences in React.js. The role involves designing scalable architectures, integrating diverse systems, and delivering robust digital solutions used by credit unions and banking clients. You will collaborate closely with distributed teams of engineers, designers, and product stakeholders in a fast-paced Agile environment. This position requires strong technical versatility, deep engineering craftsmanship, and the ability to operate across Java, .NET, Node.js, and cloud-native platforms. It is ideal for a polyglot developer who thrives in solving complex problems while maintaining a strong focus on performance, scalability, and code quality.
Accountabilities:
Lead the design, development, and delivery of scalable full-stack applications across modern cloud-based and financial technology ecosystems.
- Build, maintain, and enhance complex web applications using React.js, TypeScript, HTML5, and CSS3
- Design modular, scalable, and reusable system architectures across frontend and backend layers
- Develop and integrate backend services using Java (Spring Boot), .NET Core (C#), Node.js, and Python
- Translate UI/UX designs into responsive, accessible, and high-performance interfaces
- Optimize application performance end-to-end, ensuring reliability, scalability, and cross-browser compatibility
- Collaborate with distributed teams to integrate APIs and ensure seamless system interoperability
- Lead code reviews, enforce engineering standards, and mentor intermediate developers
- Participate in Agile/SCRUM ceremonies and contribute to continuous delivery and process improvements
- Expert-level proficiency in React.js, TypeScript, HTML5, and CSS3 (Sass/LESS)
- Strong backend experience with Java (Spring Boot), .NET Core (C#), and Node.js
- Deep 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 production or enterprise environments
- Solid background in automated testing frameworks (Jest, Mocha, xUnit, JUnit) and test-first development practices
- Experience working in professional services or consulting environments with client-facing responsibilities
- Strong system design and architectural thinking across distributed systems
- Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience
- Must be a Canadian citizen or permanent resident
- Experience in fintech, banking, or credit union projects is a strong asset
- Exposure to multi-cloud environments (AWS, GCP) or React Native/mobile development is a plus
- Competitive annual salary: CAD $120,000 – $180,000 based on experience and expertise
- Fully remote-first work environment
- Comprehensive medical, dental, and extended health benefits (fully covered premiums for eligible employees)
- Employee bonus and recognition programs
- Collaborative, high-performance engineering culture
- Opportunity to work on large-scale fintech and digital banking platforms
- Team events and strong focus on culture and collaboration
- Exposure to modern cloud-native architectures and enterprise-grade systems
Requirements:
10+ years of full-stack development experience, including at least 3 years in a senior or lead engineering role, with strong expertise across modern frontend and backend technologies.