Software Engineer in Test

Bree; Toronto; On-site; CAD 100,000 - 125,000; Full time

Job summary

A leading fintech company in Toronto is looking for a candidate to develop automated testing frameworks for their Lambda-based backend. The ideal candidate should have proficiency in TypeScript and experience with various testing frameworks. This role offers top market compensation and benefits including a learning stipend and unlimited PTO.

Benefits

Top of the market compensation

$1,500 annual learning stipend

$1,000 annual wellness stipend

$250 monthly lunch stipend

Comprehensive insurance coverage

2 annual company retreats

Parental leave

Unlimited PTO

Qualifications

• Proficiency with TypeScript to build automated test suites for CI/CD.
• Familiar with backend and React Native testing frameworks.
• Experience with AWS Lambda and serverless architectures.
• Strong knowledge of API validation and performance testing.

Responsibilities

• Develop and maintain automated testing frameworks for a Lambda-based backend.
• Expand test coverage across backend APIs and mobile applications.
• Implement automated regression and performance testing.
• Collaborate with engineering teams on fault-tolerant strategies.

Skills

TypeScript proficiency

Backend testing frameworks (Jest, Testing Library)

React Native testing frameworks (React Native Testing Library, Detox)

Experience testing serverless systems (AWS Lambda, SQS)

API validation and integration testing

Excellent communication skills

Job description

About Bree

Bree is a consumer finance platform that brings better, faster, and cheaper financial services to over half the Canadian population who live paycheck to paycheck. We operate in a huge, but overlooked market in a country with the least amount of financial technology innovation in the developed world. Our first act is to become the cheapest and best provider of short-term credit to the 20 million people in Canada who live paycheck to paycheck.

More than half a million Canadians have already signed up with Bree, and we believe we are just scratching the surface. We are in an exciting place where we have product market fit, explosive growth, and a clear path to becoming one of the most important FinTechs in Canada.

We have $5M ARR per full-time engineer, growing at a double‑digit monthly rate, profitable, and have had 0 voluntary employee churn. We were part of Y Combinator in 2021 and raised a $2M seed round shortly after.

About the Role

Bree is on a mission to build the most reliable and forward‑thinking engineering team. Our ideal candidate has a deep understanding of modern backend systems and testing practices, and takes pride in building automated systems that keep development fast, stable, and scalable.

What You’ll Do

• Develop and maintain automated testing frameworks for a Lambda‑based backend that powers both internal services and React Native mobile applications.

• Expand and improve test coverage across backend APIs and mobile frontends to ensure reliable, high‑quality releases.

• Implement automated regression, integration, and performance testing to catch issues early and maintain consistent delivery standards.

• Collaborate with engineering teams to enhance observability, build fault‑tolerant testing strategies, and validate system performance under varying load conditions.

What You’ll Need

• Proficiency with TypeScript for building automated test suites and integrating them into CI/CD pipelines.

• Familiarity with backend testing frameworks such as Jest and Testing Library, and React Native testing frameworks such as React Native Testing Library and Detox.

• Experience testing serverless backend systems such as AWS Lambda and SQS.

• Strong understanding of API validation, integration testing, and performance benchmarking for distributed systems.

• Excellent communication and collaboration skills, with a focus on reliability, scalability, and engineering best practices.

Benefits

• Top of the market compensation for top performers

• $1,500 annual learning stipend

• $1,000 annual wellness stipend

• $250 monthly lunch stipend

• Comprehensive insurance coverage

• 2 annual company retreats

• Parental leave

• Unlimited PTO