Remote Senior Backend Engineer - Real-Time Payments & Fraud

Lithic; United States; Remote; USD 160,000 - 200,000; Full time

Benefits offered by this job

Unlimited PTO

Parental leave

Sabbatical

Work from anywhere

Health insurance

401(k) match

Commuter benefit

Job summary

Lithic, the modern card issuing and processing platform, is hiring a Senior Software Engineer for Lithic’s Card Authorization team. You’ll own high-impact projects end-to-end, solving distributed-systems challenges at scale and building tools to control fraud and payment risk.

You’ll write reliable, secure code for real-time authorization, develop features like 3DS flows and monitoring, and contribute to on-call reliability.

Qualifications

• 4+ years building production backend systems.
• Experience with Rust or willingness to learn.
• Interest in AI tools to boost productivity.
• Ability to navigate ambiguity and drive practical solutions.
• Experience in payments, fintech, or fraud prevention.
• Comfort designing systems from scratch and owning end-to-end product development.

Responsibilities

• Write reliable, secure, scalable code for Lithic’s real-time authorization and fraud systems.
• Build customer-facing features such as rules improvements, 3DS flows, and fraud tooling.
• Improve the reliability of systems and participate in the team on-call rotation.
• Lead efforts to improve systems and processes within the team.

Skills

Backend design

Full stack experience

Rust learning

AI tooling

Payments/fintech

Fraud prevention

Distributed systems

Remote/async teamwork

Tools

Python

Java

Job description

Lithic, the modern card issuing and processing platform, is hiring a Senior Software Engineer for Lithic’s Card Authorization team. You’ll own high-impact projects end-to-end, solving distributed-systems challenges at scale and building tools to control fraud and payment risk.

You’ll write reliable, secure code for real-time authorization, develop features like 3DS flows and monitoring, and contribute to on-call reliability.