Senior Software Engineer

Responsibilities

• Design and extend the core double-entry ledger, including accounts, postings, account types, and ledger structures.
• Own the chart of accounts and reporting surfaces connecting engineering data to financial statements and downstream reporting.
• Develop balance verification, reconciliation, and proof-of-reserve mechanisms across on-chain and off-chain systems.
• Review new product designs for legal entity ownership, ledger placement, pricing, and reconciliation requirements before launch.
• Design extensible data models for financial products such as margin, lending, staking, and tokenized assets.
• Collaborate with Engineering, Finance, Data Engineering, and Product on shared technical and financial-system designs.

Requirements

• At least 5 years of backend software engineering experience.
• Working knowledge of double-entry bookkeeping, chart-of-accounts design, financial statements, reconciliation, and audit requirements.
• Experience owning data-model design for systems where correctness is a core product requirement.
• Strong extensible system-design skills, including schemas and APIs that can evolve with new requirements.
• Ability to read and critique technical designs across multiple systems.
• Strong cross-functional communication skills.
• Preferred experience with crypto or blockchain infrastructure, on-chain balance models, custody, or wallet architecture.
• Preferred experience with event-driven or Kafka-based service architectures.
• Prior embedded accounting-architecture or financial-systems design-review experience at a fintech or crypto company is preferred.

Benefits

• Competitive base salary, bonus, and stock options.
• 100% company-paid health insurance for the employee, partner, and dependents.
• Up to 4% 401k company match.
• Paid parental leave and paid vacation.
• Free commuter or parking pass.
• Free custom lunches and snacks.
• Computer equipment and workplace furniture to suit individual needs.
• Full-time onsite work at the Toronto office; benefits may vary by location.