Senior Developer

About Zay Zoon

At Zay Zoon, we are on a mission to save 10 million hardworking employees 10 billion dollars. We have created a financial empowerment platform that helps businesses of all sizes make a big impact on employee financial wellness. With 74% of Zay Zoon customers reporting reduced financial stress, our solutions lead to happier and more productive employees. Zay Zoon was recognized for its growth in the 2025 Deloitte Technology Fast 50 and top-10 growth companies in Canada by CIX awards.

Our recent Series B funding round raised nearly $50 million USD.

We are looking for a Senior Developer experienced with Ruby-on-Rails to help us solve tough problems and think up innovative new solutions. You will work on customer- and admin-facing products, third-party integrations, and help architect the system toward greater flexibility, reliability, and scale.

• Creative problem solving for key development and engineering issues, including full understanding of root cause with data backing assertions.
• Building, maintaining, and architecting core web and mobile applications.
• Integrating with and maintaining third party tools and services.
• Participating in our agile development process: sprint planning, story grooming, and stand ups.
• Extensive collaboration with other departments, particularly Product, Customer Care, and Finance, on product issues and when implementing new features.
• Adherence to our SDLC and secure coding practices and environment.
• Collaboration with development pod and team via pull request reviews, mentorship, knowledge sharing, pairing on complex stories.
• Championing Zay Zoon's mission to provide responsible financial products to an underserved generation of employees.

• 4+ years of hands-on Ruby on Rails work experience with production applications.
• Experience solving issues around scale, concurrency, queuing, background processing, and efficient ingestion of third party data.
• Mastery of fundamentals: SOLID coding principles, domain-driven design, performant code and queries, unit and integration testing.
• Ability to build quickly when we need to experiment, build clean when MVP becomes core functionality.
• Strong SQL and data analysis skills and eagerness to dig into data as part of problem solving.
• Full stack mentality: every dev owns features end-to-end, from back end to front end, automated testing, demos, and delivery.
• Experience with agile development, sprints and scrum.
• All usual tooling:
  Git, Github, Jira, editor of choice.

• Data experience with BI tools (Metabase, Looker), ETL.
• Competence with React or React Native.
• Experience or interest in Dev Ops, particularly around cloud services and AWS.
• Prior work with financial technology, accounting systems, or banking.

• Permanently Remote:
  Full-time remote, forever.
• Flexible Time Off:
  Up to 6 weeks vacation and “You-do-You” time off program.
• Instant Benefits:
  Medical, vision, dental, mental health coverage, and wellness stipend from day one.
• Plus:
  Inclusive parental leave top‑up, earned wage access, real-time market data for salaries, supportive culture for lifelong learners, and more.

We are on a journey toward internal pay transparency, with work wrapping up by the end of Q1. We focus on thoughtful internal pay before external disclosure. We are happy to share more about our compensation philosophy and what you can expect as part of our hiring process.

Every application will be reviewed by our team. We are committed to giving each application the attention it deserves. We will keep you in the loop and respond to every application. Apply with confidence – we can't wait to hear from you.

#LI-REMOTE