Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Developer, Backend - Developer Infrastructure

$125k - $165k per year
Full-time

Fullscript

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 looking for an experienced Senior Backend Engineer to join the infrastructure team responsible for the long-term health, scalability, and developer experience of Fullscript’s core application.


Our team enables fast, reliable product development by defining and upholding engineering standards for quality, scalability, and maintainability. We take on foundational upgrades, cross-team technical work, and infrastructure projects that help product teams move quickly without compromising the stability of the platform.


Our team cares about doing things well. That means improving the systems developers work in every day, reducing friction, modernizing our stack, and making thoughtful technical decisions that support Fullscript’s long-term growth.

 

This is how we like building software: . If you share our values, we’d be excited to talk with you!

What you'll do



  • Own and improve the long-term technical health of our monorepo

  • Plan out solution designs and release strategies in collaboration with other engineering teams and stakeholders

  • Lead foundational upgrades across the stack

  • Improve code quality, application structure, maintainability, and engineering standards

  • Address scalability, reliability, and performance concerns as the product grows

  • Resolve security vulnerabilities across the application and its dependencies

  • Build and maintain shared developer tooling, CI linting, and quality-of-life improvements

  • Maintain and evolve shared infrastructure such as feature flags, end-to-end tests, and infrastructure-as-code within the monolith

  • Support product teams by solving cross-cutting technical issues

  • Act as a multiplier by unblocking other teams and improving the systems they rely on

  • Contribute through implementation, code review, technical guidance, mentorship, and documentation

What you bring to the table



  • Strong experience with Ruby or Ruby on Rails

  • You are a passionate software engineer who cares about your craft and serving other developers as your end users.

  • You are excited to learn, lead projects and want to produce the best work possible.

  • Experience designing maintainable systems and making pragmatic technical tradeoffs

  • Strong testing habits and an understanding of how tests support long-term maintainability

  • Comfort working on platform, infrastructure, tooling, or developer experience problems

  • A desire to improve engineering standards across teams

  • Strong communication skills and the ability to collaborate across engineering teams

  • A willingness to learn, ask questions, and receive feedback

Bonus if you have



  • Experience scaling or working on high-scale web applications

  • Past experience working in e-commerce or health tech sector

  • You’ve worked with React or GraphQL in the past

  • Experience improving CI systems, test suites, feature flag systems, or developer tooling

What we can offer you



  • 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

 

@fullscriptHQ on instagram

 

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.

Vacancy posted 9 hours ago
Similar jobs that could be interesting for youBased on the Senior Developer, Backend - Developer Infrastructure in Toronto, ON vacancy
  • $120k - $135k per year

     ...Own it. Sangoma is excited to announce an opening for a Senior Backend Developer to join our talented team. As a recognized leader in...  ...experience as a backend developer. ~ Experience using Git and infrastructure-as-code tools. ~ Hands-on experience developing and... 
    Senior
    Remote job
    Full time
    Work from home
    Flexible hours

    Sangoma

    Toronto, ON
    9 hours ago
  • $125k - $165k per year

     ...us and shape the future of care. Fullscript is looking for an experienced Senior Backend Engineer to join the infrastructure team responsible for the long-term health scalability and developer experience of Fullscripts core application. Our team enables fast reliable... 
    Senior
    Long term contract
    Full time
    Work at office
    Work from home
    Flexible hours

    Fullscript

    Toronto, ON
    a month ago
  • $100k - $140k per year

     ...outcomes.   The Opportunity ShyftLabs is looking for a Senior Developer to help design, build, and scale our next generation of data-driven...  ...within our platforms. The ideal candidate combines strong backend and frontend engineering skills with experience in... 
    Senior
    Full time
    Work at office
    3 days per week

    Shyftlabs

    Toronto, ON
    9 hours ago
  •  ...Work ®, five years in a row! We’re on the hunt for a top-tier  Senior Software Developer  who will be responsible for designing, developing, and maintaining high-performance backend services and infrastructure. You will work closely with cross-functional teams to build... 
    Senior
    Long term contract
    Full time
    Internship
    Work at office
    Relocation package

    Kepler Communications Inc.

    Toronto, ON
    9 hours ago
  • $140k - $180k per year

     ...Japan. We’re looking for a Senior Software Engineer to join the...  ...team, which builds the infrastructure that lets marketers create, schedule...  ...Build for Extensibility : Develop flexible, configurable systems...  ...: Take ownership of complex backend features from technical design... 
    Senior
    Full time
    Flexible hours

    Movable Ink

    Toronto, ON
    9 hours ago
  •  ...launched English game is in its early stages. We are seeking a skilled Senior Full Stack Developer with expertise in infrastructure and tooling to join our team. This role requires proficiency in backend service development, AWS and experience with DevOps practices and live... 
    Senior
    Full time
    Internship
    Worldwide

    Prodigy Education

    Toronto, ON
    9 hours ago
  •  ...credit products and services strive to empower our clients when they interact with us. We're looking for a talented and passionate Senior Java Developer to join our team. Our team is designed to deliver products throughout the client's journey, not projects; each lab is setup... 
    Senior
    Full time
    Flexible hours

    Royal Bank of Canada

    Toronto, ON
    9 days ago
  • $200k - $295k per year

     ...runs the world and the pace is faster than ever. Sentry helps developers fix errors and performance issues before users notice, so...  ..., informative deployment pipeline. As a member of the Developer Infrastructure team, you’ll be responsible for improving the delivery process... 
    Senior
    Hourly pay
    Full time
    Local area

    Sentry

    Toronto, ON
    9 hours ago
  •  ...highly experienced Staff Software Developer to lead the design and evolution of Kepler’s backend systems and platform...  ...supporting Kepler’s satellite network infrastructure and mission control software...  ...risk management   ~ Mentor senior engineers and help grow technical... 
    Senior
    Long term contract
    Full time
    Internship
    Work at office
    Immediate start
    Relocation package

    Kepler Communications Inc.

    Toronto, ON
    9 hours ago
  • $143k - $200k per year

     ...engine that powers billions of AI-driven marketing decisions daily across some of the world's largest consumer brands. As a Senior Backend Developer, you will lead the evolution of this system into a modern, scalable distributed architecture - one of the most impactful technical... 
    Senior

    Movable Ink

    Toronto, ON
    6 hours ago
  •  ...one37 is looking for a Backend Developer for its mobile wallet that will revolutionize the way individuals own and share their personal data. You probably heard about the latest trends regarding web3 and blockchain. Well, with one37, you won't only work on this technology... 
    Full time

    One 37 Inc

    Toronto, ON
    9 hours ago
  • $80k per year

     ...Backend PHP Developer About Smooth Commerce: Smooth Commerce is a dynamic B2B SaaS platform specializing in first-party white-label web and application-based digital ordering, customer marketing, and loyalty systems. Our primary market is the restaurant technology... 
    Full time
    Immediate start
    Remote work

    Smooth Commerce

    Toronto, ON
    9 hours ago
  • $85 per hour

     ...investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: Backend Engineer (Coding Agent Experience) Type: Contract Compensation: $85/hour Location: Remote Role... 
    Full time
    Contract work
    Summer work
    Remote work

    Mercor

    Toronto, ON
    9 hours ago
  • $156k - $214.5k per year

     ...ours. About this role: Fintech & Ops owns the critical infrastructure for Faire which processes payments for our partners and customers...  ...reliability and cost reduction for local businesses. Also, we develop tools and systems to keep the commerce moving when retailers or... 
    Senior
    Full time
    Work at office
    Local area
    Remote work
    Monday to friday
    3 days per week

    Faire

    Toronto, ON
    9 hours ago
  • $90k - $110k per year

     ...The Intermediate Backend Developer works closely with engineering teams to design, implement, and maintain components of the Smile Digital...  ...while developing deeper technical expertise in preparation for senior-level responsibilities. Responsibilities: Design and... 
    Senior
    Remote job
    Full time
    Internship

    Smile Digital Health

    Toronto, ON
    9 hours ago
  •  ...The Opportunity: We're looking for an experienced Java Backend Developer to join our dynamic team. You'll play a crucial role in delivering...  ...Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal... 
    Permanent employment
    Full time
    Local area

    Capgemini

    Toronto, ON
    12 days ago
  • $147.3k - $192k per year

     ...North America, Central America, Europe, Australia, and Japan. We’re looking for a Lead Software Engineer to join our team in a backend developer role.This is a hands-on technical leadership role for someone who thrives at the intersection of big-picture architecture and... 

    Movable Ink

    Toronto, ON
    6 hours ago
  •  ...Senior Back End Developer   We are disrupting the world of Finance – think Big Data; think Natural...  ...new functionality, improve existing infrastructure   Got Skills Strong CS...  ...database theory; familiarity with MySQL Backend web development within frameworks... 
    Senior
    Full time

    Marketiq

    Toronto, ON
    9 hours ago
  •  ...Senior Software Engineer NX NestJS TypeScript/ Kafka & MongoDB Toronto ON - Hybrid (4...  ...libraries and dependency-aware CI/CD. Develop and evolve a NestJS BFF Gateway for multiple...  ...Qualifications 5-10 years of backend engineering experience. Strong hands-... 
    Senior
    Full time
    Contract work
    Second job

    Astra North Infoteck Inc.

    Toronto, ON
    11 days ago
  •  ...What you'll do: Design and implement backend architecture following best software engineering principles Develop clean, efficient code with tests ensuring code quality Participate in code reviews and invite others to review your code Champion the importance of... 
    Senior
    Full time
    Work at office
    Work from home

    Compass Holdings Canada Inc

    Toronto, ON
    7 days ago
  •  ...medications without ever needing to step foot in a pharmacy. As a Senior Backend Engineer , you will have a hand in architecting the...  ...reliability, and scalability. You will work closely with other developers, as well as with groups such as product management and design,... 
    Senior
    Full time
    Live out

    Nimblerx

    Toronto, ON
    9 hours ago
  • $100k - $120k per year

     ...group of engineers of different stripes - developers, designers, and product owners - who are...  ...as we build out our operation planning infrastructure that supports internal teams. As a...  ...role will be responsible for Design, develop, and maintain scalable and reliable back... 
    Casual work
    Manual labor
    Work at office
    Remote work
    Work from home
    Flexible hours
    2 days per week
    3 days per week

    HelloFresh

    Toronto, ON
    6 hours ago
  •  ...We are hiring a Senior Backend Engineer for its Customer Focus Group (CFG) — a technical team that bridges engineering and the commercial...  ...take a holistic, product-and-customer view, with a focus on infrastructure, performance, and customer satisfaction. Must-have skills:... 
    Senior
    Full time

    Commit

    Toronto, ON
    9 hours ago
  •  ...What’s the position? We're seeking a Senior Go Developer for a full-time, hybrid position based...  ...Toronto office. This role focuses on backend microservices development in a high-scale...  ...~ Frameworks: Gin, SQLX, Testify ~·Infrastructure: Docker, Kubernetes ~ APIs: REST... 
    Senior
    Long term contract
    Full time
    Internship
    Work at office
    Flexible hours

    Hard Rock Digital

    Toronto, ON
    9 hours ago
  • $72.85k - $121.41k per year

     ...innovation, and agility.   As Sr. Systems Developer, you will contribute to the development...  ...Partner with design, product, and backend teams to build end-to-end functionality...  ...Experience with DevOps, CI/CD, or cloud infrastructure. ~ Experience with REST and/or GraphQL... 
    Senior
    Full time
    Local area
    Flexible hours

    Co-operators Career

    Toronto, ON
    9 hours ago
  •  ...tooling, and a growing portfolio of agentic workflows that accelerate investigations and back-office execution.   We are hiring a Senior backend engineer to  build and productionize agentic systems that are safe, observable, and auditable while strengthening service... 
    Senior
    Hourly pay
    Permanent employment
    Full time
    Work at office

    Eq Bank

    Toronto, ON
    9 hours ago
  • $200k - $235k per year

     ...it’s where ambitious people do the best work of their careers.  The DevX team’s mission is to build and operate the core developer infrastructure at Robinhood. Our team owns and scales the systems that thousands of engineers rely on daily, partnering with software developers... 
    Long term contract
    Full time
    Work at office
    Remote work
    Flexible hours
    Shift work
    3 days per week

    Robinhood

    Toronto, ON
    9 hours ago
  •  ...today — and we’re just getting started. Role Overview As a Backend Software Engineer at Harvey, you’ll play a pivotal role in...  ...customers including notifications, permissions and feature flag infrastructure. We also build enterprise-grade collaboration experiences for law... 
    Senior
    Full time
    Work at office
    Relocation package
    Flexible hours
    3 days per week

    Harvey, Inc.

    Toronto, ON
    9 hours ago
  •  ...you belong here. we're looking for a Senior Developer to join our Engineering team and play...  ...improvements and initiatives related to product infrastructure, performance, and feature sets,...  ...Looking For ~5+ years of experience in backend development, with a strong focus on... 
    Senior
    Full time

    Oxsecurity

    Toronto, ON
    9 hours ago
  • $117k - $167k per year

     ...Our Data Intelligence team builds backend services that turn data from our SaaS platform into high-value, actionable insights for our customers...  ...How you'll shape Data Intelligence at Achievers: Design, develop, and maintain backend services that support reporting, analytics... 
    Senior
    Permanent employment
    Full time
    Work at office
    Flexible hours

    Achievers

    Toronto, ON
    9 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Developer, Backend - Developer Infrastructure. Be the first to apply!