Build and own user-facing web experiences with a front-end focus using React, Next.js, and TypeScript. Work across the full stack (Node.js/NestJS), design and integrate REST APIs, collaborate with product and design, run growth experiments, ensure accessibility/performance, write tests, support production through on-call rotations, and contribute to payments and banking integrations.
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We're supporting a fast-growing Canadian fintech that has reimagined how people manage their largest recurring expenses and is focused on helping them gain more value from every dollar spent. Already processing over a billion dollars in annual payment volume and serving a rapidly expanding user base, the company is building critical financial infrastructure while scaling how customers discover, adopt, and get value from the product. This role sits on the Growth engineering team, one of two engineering teams alongside Payments, and owns the surfaces where users first meet and engage with the product: onboarding, activation, and the core web experience.
As a Full Stack Engineer with a front-end focus, you'll spend the majority of your time crafting the user-facing web experience: building polished, performant interfaces in React and Next.js that make complex financial workflows feel simple and convert. You'll also work across the stack, contributing to the backend services and APIs that power those experiences, so full stack fluency matters even as the front end is where you'll do your best work.
This role emphasizes end-to-end ownership with a product lens. You'll ship quickly, measure impact, and iterate. From API integration through interface design, implementation, and deployment, you'll collaborate closely with product, design, mobile, and engineering peers to raise the bar on usability, performance, and conversion.
- Frontend engineering: Lead development of user-facing features using React, Next.js, and TypeScript with a focus on performance, accessibility, and responsive design
- UI implementation: Build responsive, accessible interfaces that function seamlessly across desktop and mobile browsers
- Design collaboration: Partner closely with product designers to translate designs into polished, production-quality interfaces
- Feature ownership: Build and own features end-to-end, from frontend implementation through the APIs and backend services that support them
- API design and integration: Design, build, and consume REST APIs, ensuring frontend and backend contracts stay clean and reliable
- Growth experimentation: Build and iterate on onboarding, activation, and conversion-focused features, using experimentation and analytics to guide decisions
- Payments integration: Build user experiences on top of the payment workflows and banking integrations owned by the Payments team
- Code quality: Write clean, well-tested code across frontend and backend codebases
- Code reviews: Participate in code reviews across frontend and backend contributions to maintain quality and consistency
- Debugging and reliability: Debug and resolve issues across the full stack in both development and production environments
- Cross-functional collaboration: Work closely with product, design, and mobile teams to deliver cohesive customer-facing features
- Operational support: Participate in on-call rotations to support production systems
- Front-end: React, React Native, NextJS, TypeScript, Tailwind CSS
- Back-end: Node.js/NestJS, TypeScript, Firebase
- Infrastructure & tooling: Git, GCP
- 4+ years of experience building and shipping production web applications as a full stack or frontend engineer
- Deep experience with React and modern frontend development, including state management, component architecture, and performance optimization
- Strong experience with Next.js or similar React-based frameworks, including server-side rendering
- Proficiency with modern CSS frameworks such as Tailwind and strong command of responsive design principles
- A track record of building accessible, high-quality user interfaces that hold up under real-world usage
- Solid experience with Node.js and TypeScript for backend development
- Experience working with backend frameworks such as NestJS, Express, or similar
- Experience designing, building, and consuming REST APIs
- Working knowledge of relational databases such as PostgreSQL and familiarity with NoSQL stores such as Firestore
- Understanding of authentication systems and security best practices
- Familiarity with financial systems, payment processing, or fintech products
- Strong testing practices, particularly on the frontend
- Ability to balance frontend user experience with backend performance considerations
- Clear communication skills and ability to work effectively across teams
- Demonstrated ownership of code quality, user experience, and system reliability
- You bring genuine design sensibility and have collaborated closely with product designers to shape, not just implement, user experiences
- You have experience with frontend performance tooling, Core Web Vitals, or accessibility audits
- You have hands-on experience with Next.js server-side rendering in production
- You have worked with NestJS or similar service-oriented backend frameworks
- You are familiar with Clerk or similar authentication platforms
- You have worked on a growth or product-led engineering team, running A/B tests or building experimentation infrastructure
- You are comfortable with analytics tooling such as Amplitude, Mixpanel, or GA4
- You have experience operating services on GCP
- You have built or integrated with payment providers or banking APIs
- You have used Prisma ORM in production environments
- You have contributed to open-source projects
The base pay range for this role is CA$115,000 – CA$165,000 per year.
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