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Added 5 hours ago
MI
Salesforce Data Cloud Developer
Maarut Inc
Canada
- Contract
Experience with Salesforce APIs, integration tools, SQL, and data transformation.
Added 5 hours ago
GT
Solutions Developer
Global Technical Talent, an Inc. 5000 Company
Toronto, ON
- $60 to $70 CAD / hour
- Contract
Database: SQL Server, optimizing queries and stored procedures
Added 5 hours ago
SC
IT - Solutions Developer III
SPECTRAFORCE Canada
Toronto, ON
- Contract
Database – SQL server, optimizing queries and stored procedures
Added 5 hours ago
AI
Forward Deployed Engineer
Apptoza Inc.
Toronto, ON
- Contract
Role : Forward Deployed Engineer (Python/PySpark Developer)
Added 5 hours ago
IC
Senior Developer
Infotek Consulting Inc.
Toronto, ON
- $60 to $65 CAD / hour
- Contract
4.) SQL server, optimizing queries and stored procedures
Added 5 hours ago
AI
AWS Data Engineer
Apptoza Inc.
Toronto, ON
- Contract
Build data processing solutions using Python, PySpark, and SQL.
Added 5 hours ago
ZS
PowerBI Developer - Banking/Capital market exp. at Mississauga, ON (Hybrid)
Zodiac Solutions, Inc
Mississauga, ON
- Contract
Role: PowerBI Developer - Banking/Capital market exp.
Added 5 hours ago
A
Sr. Data Migration SME
Akkodis
Toronto, ON
- Contract
…architecture and implementation, Azure data technologies, Python, SQL, and Master Data Management (MDM). This opportunity is ideal for a seasoned data professional who thrives in highly…
Added 5 hours ago
LI
Sr. Application Developer/Team Lead
Livingston International
Toronto, ON
- $100,000 to $115,000 CAD / year
- Full-time
…Services (AWS), including services like EC2, Lambda, S3, RDS (for SQL Server), API Gateway, CloudWatch, and AWS Developer Tools (CodeCommit, CodeBuild, CodeDeploy,…
Added 5 hours ago
DS
Functional QA Tester
Damco Solutions
Mississauga, ON
- Full-time
Strong SQL skills for data querying and validation.
Added 6 hours ago
R
Senior Fullstack Developer (Ruby on Rails / React)
RewardOps
Toronto, ON
- Full-time
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…
Added 6 hours ago
M
Platform Support Analyst III - File Transfer Services
Moneris
Toronto, ON
- Full-time
Basic knowledge of MSSQL Databases and creating/executing SQL commands.
Added 6 hours ago
JS
Senior Fullstack Developer (Ruby on Rails / React)
Jonas Software
Toronto, ON
- Full-time
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…
Added 6 hours ago
TI
Solutions Developer
TekStaff IT Solutions
Toronto, ON · Greater Toronto Area, Canada
- Contract
TekStaff's Client has a current vacancy for a Solutions Developer
Added 6 hours ago
ZS
Senior Salesforce Developer
Zodiac Solutions, Inc
Toronto, ON
- Full-time
Write PL/SQL queries to support data validation, troubleshooting, and test data setup.
Added 6 hours ago
BI
Angular Frontend Developer
BURGEON IT SERVICES
Montreal, QC
- Contract
Experienced Angular Developer with strong expertise in Angular and modern UI/Web technologies, including React JS, JavaScript, HTML5, and CSS3, for building responsive, scalable, and…
Added 6 hours ago
RC
Performance Test Engineer
Realtek Consulting LLC
Toronto, ON
- Full-time
Develop complex SQL queries for database validation and performance analysis.
Added 6 hours ago
IS
Business System Analyst
Iris Software Inc.
Toronto, ON
- Contract
Knowledge of SQL and Investor Services domain background is good to have but not mandatory
Added 6 hours ago
C(
Application Support Analyst
Codan (Canada) Inc
Toronto, ON
- Contract
Added 6 hours ago
FI
Full Stack Engineer
Flexton Inc.
Toronto, ON
- Full-time
Added 6 hours ago
ZS
Data AI Engineer
Zodiac Solutions, Inc
Mississauga, ON
- Full-time
Good understanding of SQL and data processing.
Added 6 hours ago
Senior Application Developer
Livingston International
Toronto, ON
Advanced skill in one or more programming language(s) such as COBOL, VB.NET, JAVA, UML, Microsoft .Net, C#, SQL, Angular
Added 6 hours ago
FS
BI Engineer
Four Seasons Hotels and Resorts
Toronto, ON · Four Seasons Corporate Headquarters Toronto
- Full-time
Develop and optimize complex DAX measures and SQL queries for performance, accuracy, security, and accessibility.
Added 6 hours ago
Test Engineering, Software Designer
L3Harris Technologies
ON · Waterdown, ON
Develop SQL queries, stored procedures, views and triggers.
Added 6 hours ago
LC
Supply Chain Business Intelligence - Co-op Student
Loblaw Companies Limited
Brampton, ON
- Full-time
Are you currently in an undergraduate program that is teaching you the skills required to be a Business Intelligence Developer? Do you want to add relevant work experience that will give…

Jonas Software

Senior Fullstack Developer (Ruby on Rails / React)

Toronto, ON, Canada

Salary Range: $135,000-$140,000 CAD · Full-time

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Job details

Pay: Salary Range: $135,000-$140,000 CAD
Job type: Full-time
Posting language: English
Posted: Oct 27, 2026

Original job description

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:

Number of Openings Available:

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.

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More about this job

Responsibilities

You will lead the development of the core back-end SaaS application and integration engine while collaborating with cross-functional teams. Responsibilities include implementing end-to-end features, maintaining high code quality, and mentoring junior developers.

Requirements

The role requires proven experience as a Fullstack Developer with strong expertise in Ruby on Rails and React. Candidates must have experience with modern web frameworks, RESTful APIs, database systems, and cloud platforms.

Skills

Ruby on Rails
React
Fullstack Development
RESTful APIs
SQL
HTML5
CSS3
JavaScript
Event-driven development
Domain-Driven Design
Behavior-Driven Development
Git
AWS
Azure
Kubernetes
Docker

Visa sponsorship

Not detected in the job text

Keywords

Ruby on Rails
React
SaaS
Fullstack Developer
RESTful APIs
SQL
HTML5
CSS3
JavaScript
Event-driven development
Domain-Driven Design
Behavior-Driven Development
Git
AWS
Azure
Kubernetes
Docker
WCAG
Accessibility
Unit testing
Code reviews
Sprint planning
DevOps

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