Senior .NET Backend Developer responsible for designing, developing, and maintaining scalable backend systems with .NET technologies. Collaborating with cross - functional teams on high - performance APIs and services in a hybrid environment.
About the role
- Backend engineer designing and owning fraud decisioning systems for a top FinTech. Join EQ Bank in redefining banking solutions while ensuring customer protection.
Responsibilities
- Design and own backend fraud services end‑to‑end: Own service architecture, APIs, data flows, and production support for fraud decisioning systems across the customer lifecycle.
- Define clear service boundaries and contracts: Improve system clarity through well‑defined, testable API and event contracts between channels and downstream fraud platforms.
- Build scalable, event‑driven fraud capabilities: Design and evolve real‑time and asynchronous pipelines that enforce fraud and risk decisions reliably at scale.
- Improve observability and explainability of fraud behavior: Make fraud outcomes traceable, debuggable, and understandable through runtime signals, logging, and metrics.
- Enable safer, more predictable rollout of new protections: Reduce coupling between fraud logic and release cycles to allow faster, lower‑risk deployment of new controls.
- Reason about failure modes and edge cases: Ensure systems behave predictably under partial failure, latency, or unexpected inputs.
- Increase confidence in production behavior: Implement and evolve API‑level testing and observability to validate real‑world system behavior.
Requirements
- Strong backend engineering experience (Java preferred) in production environments
- Experience building distributed, event‑driven systems
- Proven ability to design clear APIs and durable data contracts
- Comfort reasoning about system behavior under risk, failure, and edge cases
- Ownership mindset across design, deployment, and production support
- Experience improving observability, testing, and runtime confidence
- Fraud experience is a plus—but not required; experience building systems that must behave predictably is essential
Benefits
- Competitive discretionary bonus
- Market leading RRSP match program
- Medical, dental, vision, life, and disability benefits
- Employee Share Purchase Plan
- Maternity/Parental top-up while you care for your little one
- Generous vacation policy and personal days
- Virtual events to connect with your fellow colleagues
- Professional development and comprehensive Career Development program
- A fulfilling opportunity to join one of the top FinTechs and help create a new kind of banking experience
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