Junior Full Stack Engineer
4 days ago
At Chexy, we're reimagining how Canadians manage their largest expenses—like rent, tuition, and insurance—by transforming them into opportunities to build credit, earn rewards, and gain financial flexibility.
We're the first platform in Canada that lets users pay nearly any bill using their credit card, while unlocking meaningful benefits like cashback, points, and credit-building tools. With $1B+ in annual payment volume and millions of transactions per month, we're building financial infrastructure that needs to be fast, reliable, and bulletproof.
About the Role
We're looking for a Junior Full Stack Engineer to build features on Chexy Core (our web application). You'll work on both sides of the stack—from payment processing systems and APIs to user-facing web experiences that help Canadians manage their most important payments.
This role involves taking ownership of features end-to-end, from database and API design through frontend implementation and deployment. You'll build production-grade systems that move real money while creating intuitive user experiences. You'll ensure both our backend and frontend are clean, scalable, and performant.
What You'll Be Doing
- Build features end-to-end on our web app (Chexy Core)
- Develop payment processing features including inflows, outflows, and integrations with card networks and banking systems
- Design and implement REST APIs and integrate them into frontend applications
- Build user-facing features in and React with Tailwind CSS for styling
- Work with PostgreSQL (backend) and Firestore (web app) for data modeling and queries
- Write clean, well-tested code across both TypeScript backend and frontend codebases
- Design responsive, accessible web interfaces that work across desktop and mobile browsers
- Participate in code reviews for both backend and frontend contributions
- Debug and resolve issues across the full stack in development and production
- Collaborate with product, design, and mobile teams to ship cohesive features
- Participate in on-call rotations for production systems
Who We're Looking For
- 2+ years of full stack engineering experience building production web applications
- Strong experience with and TypeScript for backend development
- Strong experience with React and modern frontend development experience is a plus)
- Experience with backend frameworks like NestJS, Express, or similar
- Solid understanding of relational databases (PostgreSQL) and NoSQL databases (Firestore or similar)
- Experience building and consuming REST APIs with understanding of API design principles
- Proficiency with CSS frameworks (Tailwind CSS preferred) and responsive design
- Understanding of authentication systems and security best practices
- Familiarity with financial systems, payment processing, or fintech products
- Strong testing practices for both backend and frontend code
- Ability to balance technical trade-offs between backend performance and frontend user experience
- Strong communication skills and ability to work across teams
- Ownership mentality with attention to code quality, system reliability, and user experience
Bonus Points
- Experience with and server-side rendering
- Familiarity with NestJS or similar microservices frameworks
- Experience with Firestore or other NoSQL databases
- Knowledge of Clerk or similar authentication platforms
- Experience with financial systems concepts: ledgers, transactions, reconciliation
- Familiarity with Google Cloud Platform (Cloud Run, Cloud SQL, Pub/Sub, Firestore)
- Experience with payment integrations or banking APIs
- Experience with Prisma ORM
- Contributions to open-source projects
- Design sensibility and experience working closely with product designers
Why Join Chexy?
Build full stack products that matter: Your work spans the entire stack, from payment systems to user experiences that help thousands of Canadians Join a tight-knit team: Work directly with founders, engineers, and designers who trust you to make important decisions Early equity: Access equity in a high-growth fintech company that's just getting started Own real impact: Take ownership of features from concept to deployment and see direct user impact Toronto office: Work in-office 5 days a week with the team in Toronto
How We Hire
We keep our hiring process clear and human. You'll go through a mix of conversational interviews and technical deep-dives covering both backend and frontend work, designed to showcase your strengths. We care about how you think, how you've built full stack features, and how you collaborate—not just trivia questions. And we make sure there's space for your questions too.
Chexy is an equal opportunity employer. If you require any accommodations or support during the hiring process, let us know and we'll do our best to help.
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