Senior Fullstack Developer (Ruby on Rails / React)

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

Job summary

RewardOps is seeking a Senior Fullstack Developer to lead the core back-end SaaS application and integration engine using Ruby on Rails and React. You will collaborate with Product, Architecture, Development and QA to build scalable, resilient features and robust APIs.

You’ll mentor junior developers and stay current with industry trends to continually improve processes and software quality. This role emphasizes performance, accessibility, and integration with third‑party services.

Qualifications

• Proven experience as a Fullstack Developer, with a strong focus on React and Ruby on Rails.
• 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 HTML5, CSS3, JavaScript and modern frontend 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 (e.g., Kubernetes, Docker) is a plus.
• Prior experience in WCAG accessibility development.

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.

Skills

React

Ruby on Rails

RESTful APIs

SQL queries

Event-driven development

Domain-Driven Design

Behavior-Driven Development

Problem solving

Communication

Collaboration

Git

Tools

Git

Kubernetes

Docker

AWS

Azure

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.

Details

• 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.

RewardOps is a tight-knit team of people who take pride in what we do and enjoy working together to solve problems.

We follow Agile and are constantly striving to improve the way we work.

We take initiative and value transparency.

As part of our team you’ll take an active role in setting priorities and crafting our processes.

RewardOps is quickly growing; by joining us you’ll have a real say in the direction of the company at a critical moment in our history.

We strive to remain a supportive, collaborative, and pleasant workplace where everyone can be themselves and is appreciated for who they are.

It is of great significance for us to have an inclusive and diverse environment to continue being innovative, thriving, and competitive.

We welcome people of different backgrounds, cultures, and perspectives.

RewardOps is an equal opportunity employer. Women, minorities, and marginalized individuals are encouraged to apply.

All qualified applicants will be considered without regard to their race, colour, age, religion, disability, nationality, marital status, gender identity, sexual orientation, or any other legally protected status.

If you have any difficulties using our online system and you need accommodation, please do reach out at [e-mail].

We will be happy to assist however we can.