Senior Ruby Rails React Developer
Posted Updated
Summary
Senior fullstack developer at RewardOps building the core Ruby on Rails and React SaaS application and integration engine in Toronto — shipping end-to-end features, APIs, background jobs, and client integrations, with unit testing, code reviews, performance work, and mentoring junior developers.
Ruby on Rails and React expertise powers RewardOps development of scalable SaaS applications and integration engines. Lead fullstack delivery within a collaborative engineering team.
As a Senior Fullstack Developer, you will develop the core back-end SaaS application and integration engine. You will collaborate with Product, Architecture, Development, and QA teams while addressing user use cases. The work emphasizes scalability, resilience, quality, and future platform improvements.
Key Responsibilities:
Develop end-to-end features across backend and frontend systems Implement APIs, background jobs, integrations, and accessible interfaces Maintain quality through unit testing and code reviews Improve performance and resolve root technical issues Mentor junior developers and guide implementation Requirements:
Proven fullstack development experience with Ruby on Rails and React Experience with RESTful APIs and modern web frameworks Database experience and efficient SQL query writing External client API integration experience Knowledge of HTML5, CSS3, JavaScript, and Git Apply Ruby on Rails, React, API integration, and testing expertise to advance RewardOps SaaS products.
Develop end-to-end features across backend and frontend systems Implement APIs, background jobs, integrations, and accessible interfaces Maintain quality through unit testing and code reviews Improve performance and resolve root technical issues Mentor junior developers and guide implementation Requirements:
Proven fullstack development experience with Ruby on Rails and React Experience with RESTful APIs and modern web frameworks Database experience and efficient SQL query writing External client API integration experience Knowledge of HTML5, CSS3, JavaScript, and Git Apply Ruby on Rails, React, API integration, and testing expertise to advance RewardOps SaaS products.