Senior Rails Engineer — Remote & End-to-End Impact

ZayZoon; Phoenix (AZ); On-site; USD 92,101 - 120,439; Full time

Benefits offered by this job

Permanent remote

Generous time off

Comprehensive benefits

Wage access and market data

Job summary

ZayZoon is hiring a Senior Developer to own features end-to-end—from back-end architecture to front-end delivery, testing, and demos. You will ship real features at scale, ensure reliability, and push for clean, maintainable code across the stack.

Join a fully remote team serving Canada and the U.S. You’ll design robust systems, tackle complex scaling challenges, and collaborate across Product, Care, and Finance to deliver impactful solutions.

Qualifications

• 4+ years of hands-on Ruby on Rails experience with production applications.
• Solid front-end fundamentals with React or React Native.
• Strong SQL and data analysis skills.
• Deep engineering fundamentals including SOLID, testing, and design patterns.
• Full-stack mentality and ownership from back end to front end, tests, and demos.
• Experience with scale, concurrency, and data ingestion challenges.
• Agile fluency with sprint planning, stand-ups, and grooming.

Responsibilities

• Design, build, and maintain core web and mobile features from back end to front end.
• Tackle complex engineering problems involving scale, concurrency, and data ingestion.
• Integrate and maintain third‑party tools and services for reliability.
• Collaborate with Product, Care, and Finance to scope features and resolve issues.
• Mentor teammates through code reviews and knowledge sharing.
• Leverage AI to streamline processes and reduce friction.
• Contribute to a secure, well‑structured SDLC with maintainable, tested code.

Skills

Ruby on Rails

JavaScript

React/React Native

SQL

SOLID principles

Domain-driven design

Testing (unit/integration)

Git/GitHub/Jira

Job description

ZayZoon is hiring a Senior Developer to own features end-to-end—from back-end architecture to front-end delivery, testing, and demos. You will ship real features at scale, ensure reliability, and push for clean, maintainable code across the stack.

Join a fully remote team serving Canada and the U.S. You’ll design robust systems, tackle complex scaling challenges, and collaborate across Product, Care, and Finance to deliver impactful solutions.