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Senior Software Engineer, Card Authorization

Lithic

Remote · United States$13,333–16,667 gross/mofull-timeLithic Careers

We are hiring a Senior Software Engineer for Lithic’s Card Authorization team, which owns the real-time systems that make every card authorization decision correct, reliable, and fast. The team also owns related fraud tooling, including Lithic’s Rules Engine and 3D Secure integration.

Responsibilities

  • Write reliable, secure, scalable code for Lithic’s real-time authorization and fraud-prevention systems with minimal tech debt
  • Build customer-facing features, such as rules improvements, velocity controls, 3DS flows, fraud tooling, and transaction monitoring.
  • Own projects from planning to launch.
  • Improve the reliability of systems in team’s scope and participate in the team on-call rotation
  • Lead efforts to improve systems and processes within the team

Languages

    Work format
    Remote
    Seniority
    Senior
    Posted
    11 Sept 2026
    Last verified
    In the last 5 days

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