Senior Developer, Fullstack (Ruby & React) - Labs

Fullscript; Ottawa; Hybrid; CAD 90,000 - 120,000; Full time

Job summary

A leading healthcare platform is seeking a Senior Fullstack Engineer to develop and maintain Lab features and build a robust e-commerce platform. The ideal candidate will have experience in Ruby on Rails and React, and will contribute to technical improvements. This role offers significant growth opportunities and hybrid work flexibility.

Benefits

Flexible PTO

Competitive pay

RRSP match & stock options

Customizable benefits

Fullscript discounts

Continuous learning

Qualifications

• Experience with scaling or high-scale web applications.
• Past experience in e-commerce or health-tech sector.
• Experience with React Native or similar technology.
• Led groups of engineers on projects.

Responsibilities

• Plan out robust, scalable, and secure solution designs.
• Implement business logic for the core part of the 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 and maintain quality standards.
• Code review and mentorship.

Skills

Ruby or Ruby on Rails

GraphQL

React

Test writing

Clean code principles

Job description

Overview

Founded in 2011, Fullscript is a healthcare platform built on the belief that care should treat the whole person. Today, more than 125,000 practitioners and 10 million patients count on us for access to high-quality supplements, industry-leading labs, and tools that make it easier to follow through on care.

Our purpose is simple: to help people get better. Every system we design and every program we deliver supports practitioners in providing care that is more personal, more efficient, and more effective.

This is your invitation. Bring your ideas. Bring your grit. Bring your care for people.

Let’s build a healthier future together and make healthcare whole.

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, and it comes with tons of growth opportunities. Your primary focus will be building and maintaining Lab features. These features 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 all sorts of topics, from React all the way through 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 being 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.

MORE INFO: www.fullscript.com

SOCIAL: @fullscriptHQ

Let’s make healthcare whole