Senior Backend Developer for Financial Systems

Wealthsimple Technologies

📍 toronto, on, Canada

Full-time IT & Technology Posted June 06, 2026

Job Description

Take ownership at Wealthsimple as a Senior Backend Developer, focusing on financial system integrity using Java/Kotlin. Explore a hybrid environment where innovation meets financial responsibility.

Wealthsimple seeks a Senior Backend Developer to fortify its financial infrastructure. This position involves building and evolving ledger systems necessary for accurate financial transactions. Your role will require a strong collaboration with Finance, ensuring every transaction maintains high correctness and compliance standards.

Key Responsibilities: • Develop and manage core ledger systems • Ensure accuracy through double-entry bookkeeping practices • Handle and optimize transaction processing under load • Design robust audit trails and compliance mechanisms • Work cross-functionally to support varying team needs

Requirements: • Strong experience in Java or Kotlin for backend systems • Solid SQL capabilities for database management • Familiarity with internal t...