Senior Software Engineer, Card Authorization & Fraud Remote

Lithic; New York (NY); Hybrid; USD 160,000 - 200,000; Full time

Benefits offered by this job

Unlimited PTO

Parental leave

Sabbatical

Work from anywhere

Privacy.com employee account benefits

Health, vision, and dental insurance

401(k) match

Life Insurance

Job summary

Lithic is the modern card issuing and processing platform powering fintechs across the United States. We are hiring a Senior Software Engineer for Lithic's Card Authorization team, responsible for real-time authorization and related fraud tooling, with end-to-end ownership of high-impact projects.

Join a distributed, async-first team that builds reliable, scalable systems at payment speed. The role requires 4+ years of backend experience and a drive to work with Rust, Python, and Java in a

Qualifications

• 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

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

Skills

Backend systems

Rust

Python/Java

Distributed systems

Remote teamwork

Job description

Lithic is the modern card issuing and processing platform powering fintechs across the United States. We are hiring a Senior Software Engineer for Lithic's Card Authorization team, responsible for real-time authorization and related fraud tooling, with end-to-end ownership of high-impact projects.

Join a distributed, async-first team that builds reliable, scalable systems at payment speed. The role requires 4+ years of backend experience and a drive to work with Rust, Python, and Java in a