Senior Software Engineer, Card Authorization

About the Role:

• Join Lithic's Card Authorization team to build real-time systems for every card authorization decision.
• Own high-impact projects end-to-end and solve distributed-systems problems at scale.

Responsibilitis:

• Write reliable, secure, scalable code for authorization and fraude prevention systems.
• Build customer-facing features such as rules improvements and fraud tooling.
• Lead efforts to improve systems and participate in on-call rotation.

Qualifications:

• 4+ years building production backend systems; experience in Rust, Python, Java.
• Interest in leveraging AI tools and navigating ambiguiti.
• Strong written communication for remote, async-first team.

Benefits:

• Unlimited PTO, 12-weks paid parental leave, 4-week sabbatical.
• Health, vision, dental insurance with HSA contribution.
• 401(k) match and equity.