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Lead Software Developer at Wealthsimple

Portage Ventures GP Inc. | toronto, Canada | Posted June 01, 2026

Position Overview

Elevate your career with Wealthsimple as a Lead Software Developer in Toronto. Focus on ledger systems and high correctness development in a fully remote, full-time role.
In this senior engineering position, you'll manage Wealthsimple's core ledger infrastructure, ensuring accurate financial transaction recording using Java or Kotlin. Ideal candidates will excel in high-throughput environments and have solid SQL skills. Collaborate with diverse teams, improve audit trails, and leverage your domain expertise to influence the product roadmap effectively.
Key Responsibilities:
• Own and evolve core ledger infrastructure systems
• Design auditable code translating double-entry accounting
• Ensure strong transaction consistency under load
• Support Finance with necessary tooling and data
• Define observability tools for ledger correctness
Requirements:
• Strong backend engineering experience in Java or Kotlin
• Proficient in SQL and relational databases
• Fa...

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