Senior Software Engineer, Backend - Platform

Senior Software Engineer, Backend - Platform
About League

Founded in 2014, League is the leading healthcare consumer experience (CX) platform, powered by artificial intelligence (AI), reaching more than 63 million people around the world and delivering the highest level of personalization in the industry. Payers, providers, and consumer health partners build on League’s platform to deliver high‑engagement healthcare solutions proven to improve health outcomes. League has raised over $285 million in venture capital funding to date, powering the digital experiences for some of healthcare’s most trusted brands, including Highmark Health, Manulife, Medibank, and Shoppers Drug Mart.

Position Summary

As a Senior Software Engineer, Backend you will build web services and APIs, working primarily with Go and Mongo

DB. You will be part of the UI Services Team and design, develop, and maintain Masonry, League’s server‑driven UI platform. You’ll work with a small cross‑functional team to deliver features on our roadmap and continually maintain and improve a specific area of our product. You’ll take ownership of large pieces of work, set best practices, and mentor other team members.

In this role, you will

Build, test and maintain backend services and data storage.

Debug production issues with services and data.

Participate in technical design and planning discussions.

Uphold standards for quality by performing code reviews, fixing bugs, creating automated tests, and monitoring performance.

Adhere to all system operation policies including Access Control, Encryption Control, Logging, Change Management, Platform Security, System Configuration, Physical and Incident Management policies.

Participate in a 24x7 on‑call rotation.

About You

Experience working with server‑side programming languages.

Knowledge and understanding of modern web services architectures.

Experience building and maintaining automated test suites.

Writes correct and clean code with guidance and consistently follows stated best practices.

Understands how their work fits into team and company objectives.

Prioritizes tasks without getting caught up in unimportant details.

Communicates assumptions and gets clarification on tasks up front to minimize rework.

Solicits feedback from others and gives timely, helpful feedback to peers and managers.

What We Offer

Comprehensive Health Benefits :
Complete medical, dental, and vision coverage.

Bonus Program :
Performance‑based bonus program.

Employee Stock Option Program :
Share in our success through a stock option program.

Unlimited Paid Time Off :
Recharge and maintain a healthy work‑life balance.

Spending Accounts :
Manage healthcare and dependent care expenses with tax‑advantaged accounts.

Wellness Days :
Dedicated wellness days throughout the year.

Growth Opportunities :
Professional development and advancement.

Mentorship Program :
Guidance from experienced leaders.

Flexible Ways of Working :
Work in a way that suits your life.

The Application Process

Submit Your Application – You’ll receive a confirmation email right away.

Intro Sessions – Learn more about our culture and align on compensation expectations.

Take‑home Assessment.

Meet the Engineering Team – Technical discussions and impact opportunities.

Final Steps – Meet cross‑functional team and hiring managers.

Offer and Onboarding.

Security‑related Responsibilities

Compliance with Information Security Policies.

Compliance with League’s secure coding practices.

Responsibility and accountability for executing League's policies and procedures.

Notification of HR, Legal, Compliance & Security of any incidents, breaches or policy violations.

Compensation for Canada Applicants Only
$113,500 - $170,300 CAD

We value your time and effort—our team is committed to providing updates throughout the process.

Equal Employment Opportunity
We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. If you are an individual in need of assistance at any time during our recruitment process, please contact us at

We have a mix of office‑centric roles based in our vibrant Toronto office, and remote‑eligible roles based anywhere in Canada or the US. Each posting will indicate the role’s location. All Toronto‑area Leaguers collaborate in‑office Monday through Thursday and receive 10 or 20 flexible remote days per quarter for focus and deep‑work time. We are committed to fostering a meaningful work environment and connections for all Leaguers regardless of location.

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