Lithic: Senior Software Engineer, Card Authorization
Headquarters: Remote Source: weworkremotely
About Lithic
Lithic is the modern card issuing and processing platform empowering ambitious financial companies to build the future of payments.
Our infrastructure powers card programs for 100+ innovative clients, from fintechs reimagining credit and digital banking to platforms transforming disbursements and spend management. Companies like Mercury, Flex, and Novo rely on Lithic's developer-friendly APIs, direct network connections, and flawless reconciliation to launch and scale card programs in weeks, not years.
We're building a future where access to better financial products materially improves people's lives, free from the constraints of 30-year-old mainframes and legacy processors. We're proud to be backed by world-class investors who share that vision, including Bessemer Venture Partners, Index Ventures, Spark Capital, Stripes, and Mastercard, along with many others.
We're a team of 170+ across 26 states and 7 countries, headquartered in New York City.
The Role
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. You’ll own high-impact projects end-to-end, solve distributed-systems problems at scale, and help build the tools customers use to control fraud and payment risk.
What you'll do
- 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.
What you'll bring
- 4+ years building production backend systems. Full stack experience is a plus.
- Experience in or desire to learn Rust; ability to understand Lithic’s system written in other programming languages (Python, Java).
- Interest and experience in leveraging AI tools to enhance productivity.
- Ability to navigate ambiguity, align diverse perspectives, and drive toward practical solutions.
- Experience or interest in payments, fintech, fraud prevention.
- Comfort with designing systems from scratch and owning the product development process end-to-end.
- Strong written communication skills and experience working in a remote, async-first team that’s spread across time zones.
Compensation and Location
- Salary Range: $160,000 to $200,000 per year plus equity. (This range may be inclusive of several career levels and will be narrowed during the interview process based on experience and qualifications).
- Location: This is a remote position. Candidates must be located in the United States, Canada (Ontario or British Columbia), Netherlands, Poland, or Czech Republic.
- Note: We do not offer visa sponsorship or assistance.
Benefits for Full-Time US Employees
- Unlimited PTO
- 12-weeks fully paid parental leave
- 4-Week Fully Paid Sabbatical (earned at your 5-year anniversary)
- Work From Anywhere: work from anywhere in the world 4-weeks each year
- 3% cashback on card purchases with your complimentary Privacy.com employee account
- Health, vision, and dental insurance; HSA Contribution Match
- 401(k) match
- Voluntary Life Insurance and STD/LTD
NYC-based employees work from our SoHo office three days a week. Tuesdays and Thursdays are our core days, and you'll choose a third day that works for your schedule and team needs. In-office employees receive commuter benefits and catered lunch every Tuesday and Thursday.
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