Senior Software Developer, Bank & Brokerage Linking

Build something people love

Wealthsimple is Canada’s leading financial innovator. The company offers a full suite of simple, sophisticated financial products across managed investing, do-it-yourself trading, cryptocurrency, tax filing, spending and saving. Wealthsimple currently serves more than 4 million Canadians and holds over $125 billion in assets under administration. The company was founded in 2014 by a team of financial experts and technology entrepreneurs, and is headquartered in Toronto, Canada.

We're proud of what we've built — and we're just getting started. Read our Culture Manual and learn more about how we work.

About the Team

This team builds and maintains the connections that bring external financial data into Wealthsimple. These links power Transfers, Net Worth, Switch-your-Bank, and other core Wealthsimple experiences.

We’re looking for developers who enjoy the challenges of large-scale data acquisition. Developers that look forward to Open Banking in Canada. The work includes scraping, API integrations, resilient pipeline design, and the automation of these systems so we enhance reliability, and move faster with each new institution.

In this role, you'll have the opportunity to:

• Build and maintain connections to banks and brokerages in Canada through scraping, custom flows, and direct APIs.
• Develop tools that make data acquisition more reliable and easier to scale.
• Use AI-assisted systems to reduce manual scraping work and help the team react faster to interface changes.
• Design systems that recover quickly when institutions change their login flows or layouts.
• Work with product, security, infrastructure, and SRE teams to deliver accurate balances, holdings, and transactions to clients.
• Improve our internal automation so adding and repairing institutions becomes faster over time.

Our technologies:

• Node.js and MongoDB services for scraping and acquisition
• Headless browsers, proxy systems, and session-management tools
• Ruby, Java/Kotlin, and Python across the broader platform
• AWS Infra
• Strong encryption and security practices for sensitive data
• Early AI-assisted automation that helps generate, maintain, and repair extraction logic

What you bring:

• Experience with data acquisition or financial connectivity platforms (e.g., Plaid-style APIs, Flinks-style screen scraping, SnapTrade-style brokerage linking).
• Strong Node.js skills, including asynchronous programming.
• Experience building or maintaining scraping systems using headless browsers.
• Comfort working in environments where third-party interfaces change often.
• Understanding of authentication flows, MFA challenges, cookies, sessions, and rate limits.
• Experience parsing complex financial data such as balances, transactions, holdings, and corporate-action adjustments.
• Interest in building automation that reduces manual scraping and repair work.
• Clear, steady communication with technical and non-technical teams.
• Not afraid of support work investigating and debugging broken integrations
• Comfort with on-call duties for critical data pipelines.

Nice-to-have's:

• Experience designing AI-assisted extraction tools or automated repair systems
• Experience working on financial data models, reconciliation, or ledger-like systems
• Experience building systems that operate at scale with high variability
• Familiarity with institution-level onboarding and connectivity testing

Why Wealthsimple?

🌸 Top-tier health benefits and life insurance

📈 Long-term group savings with employer match, through Wealthsimple for Business

🌴 20 vacation days, 4 wellness days, and unlimited sick and mental health days per year

✈️ 90 days away: work outside Canada for up to 90 days per year

👥 Employee resource groups, including Rainbow (2SLGBTQ), Women of WS, and Black at WS

🌎 We are a hybrid team with over 1,500 employees across North America. The people are one of the best parts of working here: you'll collaborate with incredibly talented, curious, and driven teammates who are deeply committed to doing great work.

ICYMI

Technology & Innovation at Wealthsimple: We move quickly and build thoughtfully. That means we're always looking for better ways to work — whether that's new tools, AI, or rethinking how we approach a problem. We don't expect you to have all the answers, but we do expect curiosity and a willingness to evolve alongside the products we're building.

Inclusion Statement: We're building products for a diverse world, and we need a diverse team to do it well. We strongly encourage applications from everyone, regardless of race, religion, colour, national origin, gender, sexual orientation, age, marital status, or disability status.

Accessibility Statement: We're committed to an accessible hiring experience. If you need any accommodations throughout the interview process, please let us know — we'll work with you to make sure you have what you need. We also welcome any feedback on how we can better accommodate candidates with accessibility needs.

AI in Hiring: We may use artificial intelligence (AI) tools to support parts of our hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our team but don't replace human judgment – all final hiring decisions are made by people. If you have questions about how your data is used, reach out to us.