Senior Software Developer at Wealthsimple. About the role Become a part of Wealthsimples STAR team, which plays a vital role in the Book of Record by generating all client-facing financial documents. This position focuses on the development and maintenance of systems that guarantee the accuracy and compliance of millions of statements, tax slips, and financial calculations. You will work within a compact team that has a substantial impact, emphasizing correctness and scalability in all deliverables.

Key facts

Location: Toronto Headquarters Engagement: Full-time Compensation: CA$151.2K - CA$189K, plus equity Team: STAR (Statements, Tax slips, and Revenue)

What youll do

• Architect and implement pipelines and services dedicated to the generation of client statements, fee structures, interest payments, and tax documentation.
• Establish architectural standards for the domain, proposing cutting-edge designs and ensuring uniform technical decisions across the team.
• Assume complete ownership of projects, managing them from the initial design phase through to production deployment while adhering to regulatory timelines.
• Refine data architecture to enhance the accuracy, consistency, and scalability of all client outputs.
• Elevate code quality through comprehensive reviews, robust testing frameworks, and engaging design discussions.
• Provide mentorship and guidance to fellow engineers through collaborative coding, code reviews,
  
  
  
  and constructive feedback.
• Integrate AI-driven tools into the development process while maintaining rigorous quality standards.
• Collaborate with cross-functional teams to ensure alignment on project goals and deliverables.
• Troubleshoot and resolve complex technical issues that arise during the development lifecycle.
• Participate in continuous learning and improvement initiatives to stay updated with industry trends and best practices.
• Document processes and systems to facilitate knowledge sharing and onboarding of new team members.
• Engage in regular communication with stakeholders to gather requirements and provide updates on project progress.

Requirements

• A minimum of 7 years of experience in backend software engineering, with a focus on building and managing scalable production systems.
• Demonstrated ability to maintain accountability and performance during high-pressure situations or tight deadlines.
• Strong decision-making skills in system design and architecture, including the ability to articulate and communicate trade-offs effectively.
• Extensive experience in data engineering for large-scale systems, particularly with distributed computing technologies such as Spark.
• Proficient in Postgres, with experience in designing schemas and writing queries for handling bulk data efficiently.
• Comfortable working with programming languages such as Ruby and Python,
  
  
  
  along with workflow orchestration tools like Airflow.
• A keen interest in AI-assisted development methodologies and the capability to ensure the quality of AI-generated outputs.
• Excellent problem-solving skills and a proactive approach to identifying and addressing challenges.

Nice to have

• Previous experience in regulated financial sectors, such as fintech, banking, or brokerage environments.
• Familiarity with tax reporting processes, statement generation, or financial ledger systems.
• Prior experience interacting with government or regulatory bodies.
• Knowledge of medallion architecture, dbt, or similar structured data modeling techniques.
• Experience with cloud platforms and services that support scalable applications.

Skills & tools

• Ruby
• Python
• PySpark
• Airflow
• Postgres
• Distributed computing (Spark)
• AI-assisted development tools

Practical notes

• Wealthsimple provides a comprehensive benefits package that includes health insurance and life coverage.
• Employees can participate in long-term group savings plans with employer matching contributions.
• The company offers 20 vacation days, 4 wellness days, and unlimited sick/mental health days each year.
• Employees have the flexibility to work outside Canada for up to 90 days annually.
• Wealthsimple operates as a hybrid team, with over 1,500 employees spread across North America.
• The company is committed to accommodating accessibility needs during the interview process upon request.
• While AI tools may assist in the hiring process, final decisions will be made by human evaluators.