Senior Backend Development
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Job Description
Backend Engineer designing and maintaining systems for financial workflows at Float, a Canadian fintech startup. Contributing to core capabilities ensuring correctness, reliability, and trust.
Responsibilities:
- Design and maintain backend systems that support money movement and financial workflows.
- Model complex data and state transitions with a strong focus on correctness and invariants.
- Build and evolve distributed systems, including asynchronous workflows, retries, and failure handling.
- Anticipate edge cases and scale challenges before they become production issues.
- Apply disciplined testing and validation practices for high-blast-radius changes.
- Partner with Product, Frontend, and Platform teams to deliver reliable customer outcomes.
- Take ownership of systems in production, including reliability and post-incident learning.
Requirements:
- Experience building backend systems beyond basic CRUD patterns.
- Comfort reasoning about data flow, state transitions, and distributed system trade-offs.
- Solid database fundamentals, including transactional integrity and performance at scale.
- An ownership mindset for systems running in production.
- Curiosity and adaptability — language or framework experience matters less than how you think.
- Bonus: exposure to financial systems, ledgering, payments, or high-scale transactional platforms.
Benefits:
- Competitive compensation, equity options, and benefits
- Hybrid work model – we are based in Toronto with in-office days for connection and collaboration
- Enjoy catered team lunches every Tuesday, Wednesday and Thursday
- Bring your pup to our dog-friendly office
- Thrive in a high-trust, high-performance culture where your work truly matters
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