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Senior Software Engineer, Authorization

Lithic

$160,000 - $190,000
Dec 16, 2025
Remote, US
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Lithic is looking to solve the problem of creating card issuing and payment infrastructure for technology companies, specifically for its Authorization team, which builds Lithic’s card authorization system and fraud prevention tooling.

Requirements

  • Experience in or desire to learn Rust
  • Strong distributed systems instincts and design skills
  • Ability to navigate ambiguity, align diverse perspectives, and drive toward practical solutions
  • Interest and experience in leveraging AI tools to enhance productivity
  • 4+ years experience shipping code and leading projects in fast-paced production environments

Responsibilities

  • Write reliable, secure, and scalable code for Lithic's products with minimal tech debt
  • Ensure high reliability and correctness for Lithic’s card payment authorization
  • Own projects from planning to launch, keeping stakeholders informed and aligned along the way
  • Engage in design discussions and collaborate across teams to build well-reasoned solutions
  • Lead efforts to improve systems and processes within the team
  • Participate in the team on-call rotation

Other

  • 4+ years experience shipping code and leading projects in fast-paced production environments
  • Excellent communication skills
  • Growth mindset and continuous desire to learn and improve
  • An interest in fintech and the payments space is preferred
  • Employees in the NYC area are asked to work from our SoHo office three days a week