Senior Fullstack Developer (Ruby on Rails / React)

Jonas Software Group; Toronto; On-site; CAD 135,000 - 140,000; Full time

Job summary

Jonas Software Group is seeking a Senior Fullstack Developer to join RewardOps in Toronto. Lead the core back-end SaaS app and integration engine, collaborating with Product, Architecture, Development, and QA to deliver scalable features.

You will drive end-to-end development, maintain code quality, and mentor junior engineers while aligning with modern web technologies and accessibility standards.

Qualifications

• Proven full-stack development with Rails/React.
• Experience building scalable SaaS backends and APIs.
• Strong collaboration with product, architecture, and QA teams.
• Excellent problem-solving and communication skills.

Responsibilities

• Leadership & Collaboration: Report to Head of Engineering and collaborate with Delivery Managers, Product Managers, Partnerships, Architects, Designers, Developers and QAs to understand requirements and objectives.
• Planning: Determine feasibility, timelines, approaches and risks with Delivery Managers, Product Managers and Architects.
• 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.
• Technical Planning: Evaluate feasibility and RoI of proposed features and participate in sprint planning.
• Documentation & Integration: Create technical docs and integrate features with React frontend and third-party services.
• Performance & Troubleshooting: Improve platform performance and resolve root issues.
• Mentorship: Mentor junior developers and guide the team.
• Continuous Improvement: Stay current with industry trends to improve development process.

Skills

Ruby on Rails

React

RESTful APIs

SQL queries

HTML/CSS/JS

Team leadership

Tools

Git

AWS

Docker

Kubernetes

CI/CD

Job description

Senior Fullstack Developer (Ruby on Rails / React)### Senior Fullstack Developer (Ruby on Rails / React)Apply: Toronto (RewardOps): Full time: Posted Today: R53705## ## Job Description:**Senior Fullstack Developer** RewardOps 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 DevOps practices and tools is a plus (e.g., Kubernetes, Docker).* Prior experience in WCAG accessibility development. Salary Range: $135,000-$140,000 CAD## ## Business Unit:RewardOps## ## 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 “Software for Life.” We are committed to technology, product innovation, quality, and exceptional customer service.Jonas Software supports over 60,000 customers in more than 30 countries. We employ over 6,000 skilled professionals, including industry experts and technology specialists. Across our broader network, we support a global workforce of more than 30,000 employees.Headquartered in Canada, Jonas Software has a global footprint with offices around the world. We’re a 100% owned subsidiary of Constellation Software Inc., based in Toronto, publicly listed on the TSX (CSU.TO), and a member of the S&P/TSX 60 Index.### About UsAt Jonas we have long realized that our greatest asset is our employee base. As such we strive to provide our team with a fantastic working environment and an enriching career, which we know will translate into world class service to our valued clients. This allows Jonas Software to maintain and extend our lead as the premier software and services provider in each of our markets. If being part of a growing organization that moves at a fast pace and constantly strives to get better each and every day is what you are looking for, then we want to hear from you. Everyone has heard the sports analogy “to be the best, you have to beat the best”; well at Jonas Software we have tweaked that slightly to fit vertical market software. We believe to be the **best you have to hire and retain the best!!!***Jonas Software is an Equal Opportunity Employer.**If you need accommodation for a disability at any stage of the application process or want more information on our accommodation policies, contact recruitment at**[e-mail]**or 905-470-4600.**Jonas Software and its subsidiaries will never request payment, banking information, or sensitive personal documents from candidates at any stage of the application or interview process. Any such requests should be treated as fraudulent.**If you receive suspicious communication claiming to represent Jonas Software or one of our subsidiaries, please contact us at* *[e-mail]**.*Jonas Software is part of a CSI group of companies.