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Senior Backend Developer (Payments)

Toronto, Ontario💼 Full-time💰 $140,000–$140,000🗓 2025-12-04 → 2026-08-08

Core

Architect and build the payment platform and financial ledger system to enable seamless international payments and multi-currency accounts for small businesses.

Role type

Senior Backend Developer (Payments)

Builds

Payment infrastructure, financial ledger, and integrations with banking partners and payment processors.

Domain

Fintech, cross-border payments, financial ledgers

Deliverable

production ML models | product features | infrastructure

Required skills

Backend development, financial ledgers, double-entry bookkeeping, event sourcing, CQRS, message brokers (Kafka), distributed systems, fault tolerance, workflow orchestration (Temporal.io)

Preferred skills

Temporal.io, event architecture, regulatory knowledge, SWIFT/SEPA/Fedwire familiarity

Responsibilities

Build and support payment infrastructure with strict data integrity, implement workflow orchestration for complex payment flows, design for fault-tolerance and audit trails, build integrations with banking partners, develop end-to-end features for cross-border money management.

Seniority

Senior, hands-on IC

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