Senior Developer

Join to apply for the Senior Developer role at ZayZoon. Who We Are At ZayZoon, we are on a mission to save 10 million hardworking employees 10 billion dollars by providing a financial empowerment platform that helps businesses of all sizes impact employee financial wellness. We offer services such as earned wage access, and with 74% of customers reporting reduced financial stress, our solutions lead to happier and more productive employees. ZayZoon has been recognized in the 2025 Deloitte Technology Fast 50 and as a top‑10 growth company in Canada by CIX awards, and we recently raised our Series B funding round to nearly $50 million USD. About The Role We are looking for a Senior Developer experienced with Ruby‑on‑Rails to help solve tough problems and think up innovative solutions. You will work on customer‑ and admin‑facing products, third‑party integrations (both canned and bespoke), and help architect the system toward greater flexibility, reliability, and scale. Creative problem solving for key development and engineering issues, with deep root‑cause analysis and data‑driven insights 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, stand‑ups Extensive collaboration with Product, Customer Care, and Finance on product issues and new features Adherence to our SDLC and secure coding practices Mentorship and knowledge sharing via pull‑request reviews and pairing on complex stories Championing ZayZoon’s mission to provide responsible financial products to underserved employees You Bring 4+ years of hands‑on Ruby on Rails experience with production applications Experience solving issues around scale, concurrency, queuing, background processing, and efficient ingestion of third‑party data Mastery of fundamentals: SOLID principles, domain‑driven design, performant code and queries, unit and integration testing Ability to build quickly for experimentation and cleanly when the MVP becomes core functionality Strong SQL and data‑analysis skills, with an eagerness to dig into data as part of problem solving Full‑stack mentality: ownership of backend to frontend, automated testing, demos, and delivery Experience with agile development, sprints, and scrum Familiarity with Git, GitHub, Jira, and preferred editors Bonus Points If You Have Data experience with BI tools (Metabase, Looker) and ETL Competence with React or React Native Experience or interest in DevOps, especially cloud services and AWS Prior work with financial technology, accounting systems, or banking Why You’ll Love Working At ZayZoon Permanently Remote: Work from a desk, coffee shop, or outdoors—fully remote for life. Flexible Time Off: Up to 6 weeks vacation, plus a “You‑do‑You” program supporting diverse lifestyles. Instant Benefits: Medical, vision, dental, mental‑health coverage, and a wellness stipend from day one. Additional perks: Inclusive parental leave top‑up, earned wage access, real‑time market data for salaries, and a culture of lifelong learning. What You Can Expect From Us Every application will be reviewed by our team. We are committed to giving each application the attention it deserves, keeping you in the loop and responding to every application. We want you to apply with confidence, knowing we’re here for you every step of the way. Seniority Level Mid‑Senior level Employment Type Full‑time Job Function Engineering and Information Technology Research shows that while men apply to jobs when they meet an average of 60% of listed criteria, women and other marginalized folks tend to only apply when they check every box. Think you have what it takes, but not sure you check every box? Apply to the role anyway. We’d love to talk and determine together whether you could be a great fit #J-18808-Ljbffr