Senior Software Engineer, Product Platform

Lithic is a modern card issuing and processing platform that helps financial companies build and scale payment products. The Senior Software Engineer will join the Product Platform team to develop and improve the foundational API layer, focusing on reliability, security, scalability, and areas such as API key management, audit logging, and search.

Responsibilities:

• Write reliable, secure, and scalable code for Lithic's product platform with minimal tech debt
• Improve the reliability of systems in team’s scope and participate in the team on-call rotation
• Own projects from planning to launch, spanning areas like API key management, reliability, audit logging, or search, keeping stakeholders informed and aligned along the way
• Lead efforts to improve systems and processes within the team

Requirements:

• 4+ years building production backend systems, ideally including public-facing APIs at scale
• 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 with API design fundamentals and product thinking: versioning, backward compatibility, schema-driven development, and weighing tradeoffs from the customer's perspective
• 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
• This is a remote position. However, candidates must be located in the United States, Canada, Netherlands, Poland, or Czech Republic. We do not offer visa sponsorship or assistance