Senior Software Engineer, Issuing

Location: Remote 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. Lithic is hiring a Senior Software Engineer for our Issuing team to work cross-functionally with product, solutions, compliance and support to build reliable, developer-friendly experiences that make the complicated world of payments safe and easy for our customers and their users. Issuing is the front door for Lithic and its customers’ card payments programs. Nearly every API interaction and card transaction traces back to a card or account created by a service the Issuing team owns. We can be the reason a launch is successful, a customer signs on or an end user takes up a payment card in their day-to-day life. You’ll build and own the services that manage the entire lifecycle of cards and account holders, including card issuance, physical card manufacturing, digital wallet and agentic tokenization, as well as the KYB/KYC programs that keep our customers and bank partners safe. Working with our team will turn you into an expert in the card payments space. We encourage you to apply even if you don’t meet every requirement listed below! What You’ll Do: Build and innovate in card and account lifecycle features Own initiatives from planning to launch, including working with stakeholders and demonstrating developer-first product design thinking Design APIs as products, thinking through the developer experience from endpoints to docs to error messages Build resilient, fault-tolerant systems with predictable failure modes and fast recovery Lead efforts to improve systems and processes both within the team and across teams Participate in the team’s on-call rotation Write and operate production services in Python and Rust on AWS What You’ll Bring: 4+ years of experience shipping code in fast-paced production environments Strong distributed systems design skills, including building high-availability, fault-tolerant services Experience building APIs that drive the product experience for external developers Sound judgment about what has to be right the first time and what can ship with a narrower scope and be iterated on later The ability to advocate for high-leverage work and weigh it collaboratively against near-term deadlines Experience in or desire to learn Rust Growth mindset and continuous desire to learn and improve Previous experience in fintech (especially card payments) is a bonus The annual US salary range for this role is $160,000 - $200,000 plus equity. This salary range may be inclusive of several career levels at Lithic and will be narrowed during the interview process based on the candidate’s experience and qualifications. This is a remote position. However, candidates must be located in the United States or Canada (Ontario or British Columbia). We do not offer visa sponsorship or assistance. Crack the code A hidden code is tucked into this application. Find it and enter it below to continue. 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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 benefit Catered lunch every Tuesday and Thursday