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LithicLithic

Senior Software Engineer, Product Platform

Build and operate the foundational API platform powering Lithic’s fintech products, with ownership across reliability, authorization, audit logging, and API evolution. Requires 4+ years of backend experience, strong API design skills, and senior-level ownership in a remote, async environment.

About the job

Responsibilities

  • Write reliable, secure, and scalable code for the product platform while minimizing technical debt.
  • Improve system reliability and participate in the team’s on-call rotation.
  • Own projects from planning through launch, including API key management, reliability, audit logging, and search.
  • Keep stakeholders informed and aligned throughout project delivery.
  • Lead improvements to team systems and processes.

Requirements

  • 4+ years of experience building production backend systems, ideally public-facing APIs at scale.
  • Experience with or willingness to learn Rust.
  • Ability to understand systems written in Python and Java.
  • Experience or interest in using AI tools to improve productivity.
  • Ability to navigate ambiguity, align diverse perspectives, and drive practical solutions.
  • Understanding of API design fundamentals, including versioning, backward compatibility, and schema-driven development.
  • Product thinking and ability to weigh tradeoffs from the customer’s perspective.
  • Experience designing systems from scratch and owning product development end to end.
  • Strong written communication skills.
  • Experience working effectively in a remote, asynchronous team across time zones.

Compensation

  • Annual US salary: $160,000–$200,000, plus equity.

Benefits

  • Unlimited paid time off.
  • 12 weeks of fully paid parental leave.
  • Four-week fully paid sabbatical after five years.
  • Ability to work anywhere in the world for four weeks each year.
  • 3% cashback on card purchases through a complimentary employee account.
  • Health, vision, and dental insurance with HSA contribution matching.
  • 401(k) match.
  • Voluntary life insurance and short- and long-term disability insurance.
  • In-office employees receive commuter benefits and catered lunches on Tuesdays and Thursdays.

Skills

Backend Systems, Rust, Python, Java, API Design, Api Versioning, Backward Compatibility, Schema-Driven Development, Audit Logging, Api Gateways, AI Tools

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