Senior Developer, Fullstack (Ruby & React) - Labs

Fullscript; Canada; Hybrid; CAD 80,000 - 100,000; Full time

Job summary

A leading healthcare technology company in Canada seeks a Senior Fullstack Engineer to develop and maintain Lab features on their platform. You will collaborate with cross-functional teams, focusing on Ruby on Rails, GraphQL, and React. This role offers a hybrid work environment, competitive pay, and a culture that values innovation and personal growth.

Benefits

Flexible PTO

RRSP match & stock options

Customizable benefits

Fullscript discounts

Continuous learning budget

Remote flexibility

Qualifications

• You are a passionate software engineer that cares about your craft.
• You write tests and understand their value.
• A desire to learn and be open to feedback.

Responsibilities

• Plan out robust, scalable, and secure solution designs
• Implement business logic for the core part of our e-commerce platform
• Build and maintain Lab features with external services
• Build an internal API for other teams
• Solve performance issues
• Contribute to technical improvements, develop and maintain quality standards
• Code review and mentorship

Skills

Experience with Ruby or Ruby on Rails

GraphQL

React

Understanding of design patterns and clean code

Mentoring or coaching junior engineers

Job description

Overview

Fullscript is currently looking for experienced Senior Fullstack Engineers who want to build a platform to create rich, stable, and compelling experiences for our users. This is a high autonomy role, with lots of growth opportunities. Your primary focus will be building and maintaining Lab features, which are the foundation from which we continue to build a world class Labs Product offering.

Fullscript is written with Ruby on Rails, and our Fullstack Engineers build and maintain our internal GraphQL API. They work directly with our front-end engineers and designers to build out functionality on the Fullscript platform. On the front-end, we’re using React, 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. We host in-house training on topics from React to MySQL. 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!

What You'll Do

• Plan out robust, scalable, and secure solution designs
• Implement business logic for the core part of our e-commerce platform
• Build and maintain Lab features with external services such as phlebotomy partners and lab appointment booking APIs
• Build an internal API for other teams within Fullscript
• Solve performance issues
• Contribute to technical improvements, develop and maintain quality standards
• Code review and mentorship

What You Bring

• You are a passionate software engineer that cares about your craft. You are excited to learn, lead projects and want to produce the best work possible.
• Experience with Ruby or Ruby on Rails, GraphQL and React
• You write tests and understand their value
• A desire to learn and be open to feedback
• Understanding of design patterns and clean code
• Experience mentoring or coaching junior engineers

Bonus if you have

• Experience scaling or working on high-scale web applications
• Past experience working in e-commerce or health-tech sector
• Experience with React native, or similar technology
• You’ve led a group of engineers on projects in the past.

What We Offer

• Flexible PTO & competitive pay—rest fuels performance.
• RRSP match & stock options—invest in your future.
• Customizable benefits—flexible coverage, paramedical services, and an HSA.
• Fullscript discounts—save on wellness products.
• Continuous learning—training budget + company-wide initiatives.
• Wherever You Work Well—hybrid and remote flexibility.

Why Fullscript

Great work happens when people are supported, challenged, and inspired. Here, you’ll be part of a team that:

⬦ Values innovation—we push boundaries and always look for better ways.

⬦ Supports growth—through learning, mentorship, and meaningful work.

⬦ Cares about balance—with flexible work options and time off when you need it.

Apply now—let’s build the future of healthcare, together.

We kindly ask that all applications be submitted directly through our careers page. Due to the high volume of interest, we’re not able to respond to individual emails or messages about job postings. If your background aligns with what we’re looking for, a member of our team will reach out to you directly.

Fullscript is an equal-opportunity employer committed to creating an inclusive workplace. Accommodations are available upon request—email [e-mail] for support.

Before joining the team, all candidates who receive and accept an offer will complete a background check.

We use AI tools to support parts of our hiring process, like screening and reviewing responses. Final decisions are always made by people. This process complies with privacy and employment laws across Canada and the U.S.