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Senior Ruby On Rails Developer Jobs in Ontario (NOW HIRING)

Clio

Senior Infrastructure Security Engineer

Toronto, ON · Hybrid

CA$176K - CA$202.40K/yr

We are currently seeking a Senior Infrastructure Security Engineer to join our rapidly growing ... Experience with Ruby on Rails, Puppet, Terraform, ELK (Elastic/OpenSearch, Logstash and Kibana)

MealSuite

Engineering Manager

Cambridge, ON · On-site

CA$105K - CA$145K/yr

About MealSuite MealSuite builds end-to-end foodservice technology for healthcare and senior living ... e.g., Ruby on Rails and/or React) Why You'll Love Working Here • Unlimited paid time off - we ...

N-able

Senior Software Engineer (Go / AWS)

Kanata, ON · Hybrid

... Ruby on Rails, Angular, front-end web development, observability tooling such as Prometheus and Grafana, leveraging Artificial Intelligence to increase developer velocity. Purple Perks * Fully ...

Basis

Sr Software Engineer - Basis Platform / DSP

Toronto, ON · On-site

CA$119.05K - CA$160K/yr

... Ruby on Rails. * Current with modern development practices, including AI-assisted and agentic ... Bachelor's degree in Computer Science, Engineering or related field * Experience with Spring Boot ...

Clio

Senior ML Platform Engineer

Toronto, ON

CA$182K - CA$209.30K/yr

We are currently seeking a Senior ML Platform Engineer to join our Engineering team. This role is ... Solid Python or Ruby on Rails development skills, with experience building production-grade ...

Human Agency

Senior Full-Stack Engineer

Toronto, ON

Proficiency in Python and Ruby on Rails , with significant backend experience. * Experience in ... Experience in DevOps, CI/CD pipelines, and secure release management. * Background in security ...

Clio

Software Developer, Mobile

Toronto, ON · Remote

CA$129.60K - CA$149K/yr

Summary: We are currently seeking a Software Developer, Mobile to join our rapidly growing ... Ruby on Rails * The ability to learn new technologies quickly and work effectively in an ever ...

Financeit

Director of Engineering (Centah)

Toronto, ON · On-site

Reporting into the SVP & GM, you will drive the evolution of our SaaS platform, improve engineering ... Experience with Ruby on Rails or similar backend frameworks. * Experience with modern JavaScript ...

RailPros

Job Summary: As Senior Rail Engineer you will play a crucial role in leading the design and ... RailPros is known for working on innovative and challenging engineering projects within the rail ...

RailPros

Job Summary: As Senior Rail Engineer you will play a crucial role in leading the design and ... RailPros is known for working on innovative and challenging engineering projects within the rail ...

Dar Group

Senior Rail Track Design Engineer

Toronto, ON

CA$115K - CA$160K/yr

With over 3,000 employees throughout the Americas, Asia, and Europe, the firm provides support on ... Senior Track and Civil Engineer to join our Rail & Transit team. This role is ideal for ...

Basis

Staff UI Software Engineer

Toronto, ON · On-site

CA$136.91K - CA$185K/yr

ABOUT THE TEAM Basis Technologies' innovative Engineering team designs and develops new features ... JavaScript, React.js, TypeScript, Node.js * Ruby on Rails, Ruby, Java * AWS, Docker * PostgreSQL ...

ContactMonkey

Principal Software Engineer

Toronto, ON · On-site

Our backend is Ruby on Rails and our frontends is Vue. * Write real TypeScript. The AI-adjacent ... Our engineering team works primarily remote but we are looking for someone who is willing to come ...

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Senior Ruby On Rails Developer information

See Ontario salary details

$64.5K

$128.1K

$180K

How much do senior ruby on rails developer jobs pay per year?

As of May 31, 2026, the average yearly pay for senior ruby on rails developer in Ontario is $128,147.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,000.00 and $154,000.00 per year, depending on experience, location, and employer.

What is a Senior Ruby On Rails Developer job?

A Senior Ruby on Rails Developer is an experienced software engineer specializing in building, maintaining, and optimizing web applications using the Ruby on Rails framework. They are responsible for writing clean, efficient code, designing application architecture, and ensuring performance and scalability. Senior developers also mentor junior team members, collaborate with cross-functional teams, and implement best practices in development, testing, and deployment. Their role often includes problem-solving, debugging complex issues, and staying updated with the latest industry trends.

What are the key skills and qualifications needed to thrive in the Senior Ruby On Rails Developer position, and why are they important?

To thrive as a Senior Ruby On Rails Developer, you need deep expertise in Ruby, Rails frameworks, object-oriented programming, and web application architecture, often supported by a bachelor's degree in computer science or related experience. Familiarity with development tools such as Git, PostgreSQL, Docker, RSpec, and cloud platforms, as well as relevant certifications, can enhance your effectiveness. Exceptional problem-solving, leadership, and communication skills help you mentor team members and coordinate with stakeholders. These competencies are critical to creating robust, scalable applications and contributing to both technical excellence and team success.

What are typical daily responsibilities for a Senior Ruby On Rails Developer?

As a Senior Ruby On Rails Developer, your day-to-day tasks typically include designing and developing new features, maintaining and optimizing existing codebases, conducting code reviews, and integrating third-party APIs. You will often collaborate closely with product managers, UI/UX designers, and other engineers to ensure smooth project delivery and uphold best practices within the team. Additionally, you may mentor junior developers, troubleshoot complex technical issues, and contribute to architectural decisions. This multifaceted role offers both technical challenge and the opportunity to drive meaningful impact within your organization.
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What are the most commonly searched types of Ruby On Rails Developer jobs in Ontario? The most popular types of Ruby On Rails Developer jobs in Ontario are:
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Senior Ruby On Rails Developer jobs near you
Infographic showing various Senior Ruby On Rails Developer job openings in Ontario as of May 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $128,147 per year, or $61.6 per hour.

Senior Developer, Frontend - Practitioner Onboarding

Fullscript

Toronto, ON • On-site, Remote

CA$125K - CA$165K/yr

Full-time

Medical, PTO

Posted 4 days ago

Job description

About Fullscript
 
We're an industry-leading health technology company on a mission to help people get better. We started in 2011 with one simple idea. Make it easier for practitioners to access the products they trust so they can deliver better care.
 
That simple idea grew into a platform that powers every part of care. Today, more than 125,000 practitioners use Fullscript for clinical insights, lab interpretations, patient analytics, education, and access to high-quality supplements. Over 10 million patients rely on Fullscript to stay connected to their care plans and follow through on treatment.
 
We build tools that make care smarter and more human. Tools that save time, simplify decisions, and help practitioners stay closely connected to the people they care for. When everything they need is in one place, they can focus on what matters most: helping people get better.
 
This is your invitation.
 
Bring your ideas, your grit, and your care for people.
Join us and shape the future of care.

Fullscript is hiring a Senior Frontend Developer for our practitioner onboarding team. In this role, you will architect and develop new features that will impact the future of the company and the integrative healthcare industry as a whole.
 
Fullscript is built on Ruby on Rails on the back-end, with a GraphQL API. On the front-end, we use React, React Native, TypeScript, and Apollo to create top-notch experiences for our users. Our team cares about doing things well, and about the developer experience on the team. Fullscript is a place where you'll be encouraged to learn, mentor, and grow.
 
This is how we like building software: https://fullscript.com/developer-handbook. If you share our values, we'd be excited to talk with you!
 
This position can be based remotely in BC, MB, AB, ON, or NS.
What You'll Do
  • Write high-quality, well-architected, and well-tested components that are easy to understand and re-use
  • Implement tooling to make front-end development easier
  • Review pull requests, mentor others, and be an advocate for high-quality code and sound architecture that make future development faster, easier and better
  • Scope and plan projects, and work with other developers (front-end and back-end) to implement them
  • Work directly with the product owners, designers, and engineers
  • Contribute to technical improvements, develop and maintain quality standards
  • Other duties assigned to you by the company from time to time
What You Bring
  • You are a passionate Senior Frontend Engineer that cares about your craft. You are excited to learn and want to produce your best work possible
  • You embrace modern development tools, including AI-assisted tooling, and are willing to experiment and evolve your workflow
  • A keen interest in front-end architecture, UI/UX and product design
  • Deep experience working with JS frameworks (React, Vue, AngularJS, or similar)
  • Strong understanding of JavaScript, HTML, and CSS
  • Understanding of design patterns and clean code
  • Understands CSS fundamentals and best practices, experience with CSS-in-JS or CSS preprocessing is a bonus
  • Proven experience architecting and implementing front-end features from concept through to release
  • Experience mentoring team members and providing technical guidance
  • A desire to work with product design to improve and create our world-class experience
  • A desire to learn and being open to feedback
What We Offer
  • Generous PTO and competitive pay 
  • Fullscript's RRSP match program for financial health 
  • Flexible benefits package and workplace wellness program
  • Training budget and company-wide learning initiatives 
  • Discount on Fullscript catalog of products 
  • Ability to work Wherever You Work Well*
 
*Our Wherever You Work Well philosophy means Fullscript teammates get to pick their own office - whether that's in-office, at home, or a bit of both
Compensation range
 
The salary range for this role is between $125,000 and $165,000 CAD. Fullscript shares salary ranges to support transparency and help candidates make informed decisions. The range shown reflects base salary only and does not include stock options, wellness stipends, or other benefits that are part of Fullscript's total rewards package.
 
Final compensation depends on experience, skills, and location. We review pay regularly to stay aligned with market data and internal equity. Benefits and total rewards may vary by region.

Why Fullscript
 
Great work happens when people feel supported, trusted, and inspired. At Fullscript, we stay curious and keep finding smarter ways to make care better. We grow together, take on new challenges, and focus on impact. We put people first, work as a team, and leave egos at the door.
 
What to Know Before You Apply
 
We're grateful for the interest in joining Fullscript. To make sure your application reaches our hiring team, please apply directly through our careers page.
A quick note: Due to the high volume of applications, we're not able to respond to phone or email inquiries about application status. If there's a match, our team will reach out directly.
 
Fullscript is an equal opportunity employer committed to creating an inclusive workplace. Accommodations are available upon request at [email protected].
 
All offers are contingent on successful background checks conducted in compliance with federal, state, and provincial laws.
 
We use AI tools to support parts of the hiring process, including screening and reviewing responses. Final hiring decisions are always made by people and follow all applicable privacy and employment laws in Canada and the U.S.
 
Learn More
 
www.fullscript.com
@fullscriptHQ on instagram
Let's make healthcare whole 
 
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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