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Senior Fullstack Developer; Ruby on Rails​/React

Job in Toronto, Ontario, C6A, Canada
Listing for: Perseus Group
Full Time position
Listed on 2026-10-30
Job specializations:
  • Software Development
    Full Stack Developer, React.js, Front End Developer, Backend Developer
Salary/Wage Range or Industry Benchmark: 135000 - 140000 CAD Yearly CAD 135000.00 140000.00 YEAR
Job Description & How to Apply Below
Position: Senior Fullstack Developer (Ruby on Rails / React)
Senior Fullstack Developer Reward Ops is a dynamic and innovative tech company dedicated to creating cutting‑edge SaaS products that empower businesses to thrive in the loyalty space. We are seeking a highly skilled Senior Fullstack Developer with expertise in Ruby on Rails and React to join our talented development team and help drive our mission to deliver exceptional software products.

You will be at the forefront of our team, taking charge of developing the core back‑end SaaS application and integration engine. Your close collaboration with Product, Architecture, Development, and QA teams will be pivotal as we aim to enhance our technology, prioritizing scalability and resilience, all while catering to our users' unique use cases. Your work will be instrumental in shaping the success of our platform and its future.

Job Responsibilities   Leadership &

Collaboration:

Report directly to the Head of Engineering and collaborate with Delivery Managers, Product Managers, Partnerships, Architects, Designers, Developers and QAs to understand requirements and objectives.
Planning:
Collaborate with Delivery Managers, Product Managers and Architects to determine feasibility of work, timelines, approaches and identify risks.
Feature Development:
Implement and optimize end-to-end features, including API endpoints, background jobs, integrations and accessible front-end interfaces.
Code & Quality Assurance:
Maintain high standards of code quality through unit testing and code reviews. Participate in code reviews to maintain code quality and ensure best practices are followed.
Technical Planning:
Evaluate the technical feasibility and RoI of proposed features, and participate in sprint planning.
Documentation & Integration:
Create technical documentation and integrate features with our React frontend and third‑party services.
Performance & Troubleshooting:
Continuously improve platform performance and resolve root issues.
Mentorship:
Mentor and provide guidance to junior developers.
Continuous Improvement:
Stay up-to-date with the latest industry trends and technologies to continually improve our development process.
Job Qualifications   Proven experience as a Fullstack Developer, with a strong focus on React and Ruby on Rails.
Extended experience with modern Web development frameworks, RESTful APIs.

Experience with database systems and writing efficient SQL queries.
Demonstrated ability to integrate with external clients' APIs.
Proficiency in front-end technologies such as HTML5, CSS3, JavaScript, and modern front‑end frameworks (React, Ember, etc.).
Experience in Event‑driven development and Domain‑Driven Design (DDD).
Familiarity with Behavior‑Driven Development (BDD).
Excellent problem‑solving skills and the ability to work independently.
Strong communication and collaboration skills.

Experience with version control systems (e.g., Git).

Experience with cloud platforms (e.g., AWS, Azure) is a plus.
Knowledge of Dev Ops practices and tools is a plus (e.g., Kubernetes, Docker).
Prior experience in WCAG accessibility development.
Details   Salary Range: $135,000-$140,000 CAD
Business Unit:
Reward Ops
Scheduled Weekly

Hours:

40
Number of Openings Available: 1
Worker Type:
Regular
More About Jonas Software  Jonas Software is a leading provider of enterprise management software solutions, serving a wide range of vertical markets including hospitality, healthcare, construction, education, personal care, fitness, leisure, moving and legal services, to name a few.
Within these markets, Jonas is comprised of over 65 distinct brands, each a respected leader in its domain.
Jonas’ vision is to be the branded global leader across these verticals and to be recognized by customers and industry stakeholders as the trusted provider of…
Position Requirements
10+ Years work experience
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