Lithic

• Ensure high reliability, low latency, and correctness for Lithic's transaction processing interfaces and related services • Lead delivery of new capabilities across authorization, clearing/settlement, disputes, and network integration surfaces • Own and evolve the infrastructure supporting physical network peering with card network partners, ensuring connectivity, failover, and capacity meet reliability requirements • Raise the bar on operational excellence: observability, incident response, on-call readiness, and pragmatic reliability improvements • Own initiatives from planning to launch, keeping stakeholders informed and aligned along the way • Partner closely with Product and cross-functional stakeholders to clarify requirements early and keep engineering time focused on the highest-impact work • Lead efforts to improve systems, processes, and documentation so new team members can ramp quickly • Participate in and help evolve the team's on-call rotation

• Ensure high reliability, low latency, and correctness for Lithic's transaction processing interfaces and related services • Lead delivery of new capabilities across authorization, clearing/settlement, disputes, and network integration surfaces • Own and evolve the infrastructure supporting physical network peering with card network partners, ensuring connectivity, failover, and capacity meet reliability requirements • Raise the bar on operational excellence: observability, incident response, on-call readiness, and pragmatic reliability improvements • Own initiatives from planning to launch, keeping stakeholders informed and aligned along the way • Partner closely with Product and cross-functional stakeholders to clarify requirements early and keep engineering time focused on the highest-impact work • Lead efforts to improve systems, processes, and documentation so new team members can ramp quickly • Participate in and help evolve the team's on-call rotation

• Design, build, and maintain backend services and REST APIs that serve data from various SQL subsystems and other data sources • Develop well-tested, production-grade Python services with clean API contracts, proper authentication, versioning, and error handling • Work closely with the Analytics Engineering team to expose modeled data (billing, settlement, finance) through APIs that downstream consumers can rely on • Build internal tooling and services that enable the broader organization to self-serve their data needs without writing SQL • Participate in code reviews, system design discussions, and engineering best practices across the Infrastructure org • Contribute to service observability: logging, metrics, alerting, and on-call practices for the services you own • Maintain and improve existing data pipelines that move data from source systems into Snowflake (Airflow, Airbyte) • Contribute to the dbt project alongside the Analytics Engineering team — model improvements, test coverage, and data quality • Support data governance practices including access controls, lineage documentation, and data quality standards

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 160+ across 26 states and 7 countries, headquartered in New York City. We are hiring a Senior Software Engineer for our Treasury team to lead Lithic’s next phase of growth. The Treasury team maintains and builds the backend services that manage the flow of funds between Lithic and third parties. This includes our ledger, ACH and wire infrastructure, and associated reconciliation. The systems we maintain have high standards of reliability and correctness. You will become an expert in the card payments space. The Treasury team primarily uses Python for their tech stack. What You'll Do: - Ensure high reliability and correctness for Lithic’s ledger and orchestrated funds flows - Develop new features to better serve Lithic customers - Ensure that the team is delivering reliable, secure, and scalable code with minimal tech debt - Own initiatives from planning to launch, keeping stakeholders informed and aligned along the way - Lead efforts to improve systems and processes within the team - Participate in the team on-call rotation What You Bring - Thrive at turning requirements into working software swiftly - Enjoy working in a fast-moving environment - Experience shipping in production environment and leading projects - Strong distributed system instincts and design skills - Experience in or desire to learn Python - Ability to lead cross-functional projects and step in as a strong individual contributor - Growth mindset and continuous desire to learn and improve - An interest in fintech and the payments space is preferred The annual Canadian salary range for this role is CA$158,000 - CA$290,000 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, Canada, Netherlands, Poland, or Czech Republic. 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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 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 benefit - Catered lunch every Tuesday and Thursday

• Design, build, and maintain backend services and REST APIs that serve data from various SQL subsystems and other data sources • Develop well-tested, production-grade Python services with clean API contracts, proper authentication, versioning, and error handling • Work closely with the Analytics Engineering team to expose modeled data (billing, settlement, finance) through APIs that downstream consumers can rely on • Build internal tooling and services that enable the broader organization to self-serve their data needs without writing SQL • Participate in code reviews, system design discussions, and engineering best practices across the Infrastructure org • Contribute to service observability: logging, metrics, alerting, and on-call practices for the services you own • Maintain and improve existing data pipelines that move data from source systems into Snowflake (Airflow, Airbyte) • Contribute to the dbt project alongside the Analytics Engineering team — model improvements, test coverage, and data quality • Support data governance practices including access controls, lineage documentation, and data quality standards

• Ensure high reliability and correctness for Treasury's core systems — the ledger, payment origination, card settlement, reconciliation, and financial controls • Lead delivery of new features and capabilities across money movement, accounting, and reporting surfaces • Raise the bar on operational excellence: observability, incident response, on-call readiness, and pragmatic reliability improvements • Own initiatives from planning to launch, keeping stakeholders informed and aligned along the way • Partner closely with Product and cross-functional stakeholders to clarify requirements early and keep engineering time focused on the highest-impact work • Lead efforts to improve systems, processes, and documentation so new team members can ramp quickly • Participate in and help evolve the team's on-call rotation

• Ensure high reliability and correctness for Treasury's core systems — the ledger, payment origination, card settlement, reconciliation, and financial controls • Lead delivery of new features and capabilities across money movement, accounting, and reporting surfaces • Raise the bar on operational excellence: observability, incident response, on-call readiness, and pragmatic reliability improvements • Own initiatives from planning to launch, keeping stakeholders informed and aligned along the way • Partner closely with Product and cross-functional stakeholders to clarify requirements early and keep engineering time focused on the highest-impact work • Lead efforts to improve systems, processes, and documentation so new team members can ramp quickly • Participate in and help evolve the team's on-call rotation

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 160+ across 26 states and 7 countries, headquartered in New York City. We are hiring an Engineering Manager for our Issuing team to lead Lithic’s next phase of growth. The Issuing team is responsible for getting a card into an end user’s literal and figurative hand or wallet. We own core parts of the card and account lifecycle, including KYC/KYB flows for account holders, card issuance (physical and virtual), tokenization for digital wallets, and the data models and APIs that power these experiences. This team owns some of our most critical customer facing paths at the heart of our offering. The systems we maintain have high standards of reliability and correctness, because they sit on the critical path for customers launching and operating card programs. The team primarily uses Python, Rust, and AWS, and interfaces with a broader service ecosystem across Lithic. What You'll Do: - Ensure high reliability and correctness for the Issuing surface area, including APIs and services powering core card and account lifecycle flows - Lead delivery of new features and improvements across card issuance (physical + virtual), onboarding (KYB/KYC), and tokenization-related capabilities - Raise the bar on operational excellence: observability, incident response, on-call readiness, and pragmatic reliability improvements - Own initiatives from planning to launch, keeping stakeholders informed and aligned along the way - Partner closely with Product and cross-functional stakeholders to clarify requirements early and keep engineering time focused on the highest-impact work - Lead efforts to improve systems, processes, and documentation so new team members can ramp quickly - Participate in and help evolve the team’s on-call rotation What You Bring - Experience managing and growing engineers, including coaching, feedback, and hiring - Strong technical judgment and system design skills, especially for API-driven, high-reliability distributed systems - Comfort staying close to the work. This is a player-coach role where the manager can unblock, review designs, and occasionally contribute hands-on when needed - Experience shipping and operating production services, with a bias toward measurable reliability and pragmatic iteration - Experience with or interest in learning the Issuing domain (cards, KYC/KYB, tokenization) and the realities of operating critical-path systems - Experience with Python and AWS (or closely related stacks), and an ability to ramp quickly where the stack is unfamiliar - Strong cross-functional communication skills and an ability to keep teams aligned under time pressure - Growth mindset and continuous desire to learn and improve - An interest in fintech and payments is preferred The annual Canadian salary range for this role is CA$232,000 - $333,000 plus equity. This salary range is 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. 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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 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 benefit - Catered lunch every Tuesday and Thursday

• Ensure high reliability and correctness for the Issuing surface area, including APIs and services powering core card and account lifecycle flows • Lead delivery of new features and improvements across card issuance (physical + virtual), onboarding (KYB/KYC), and tokenization-related capabilities • Raise the bar on operational excellence: observability, incident response, on-call readiness, and pragmatic reliability improvements • Own initiatives from planning to launch, keeping stakeholders informed and aligned along the way • Partner closely with Product and cross-functional stakeholders to clarify requirements early and keep engineering time focused on the highest-impact work • Lead efforts to improve systems, processes, and documentation so new team members can ramp quickly • Participate in and help evolve the team’s on-call rotation

• Ensure high reliability and correctness for Lithic’s transaction gateways • Develop new features to better serve Lithic customers • Ensure that the team is delivering reliable, secure, and scalable code with minimal tech debt • Own initiatives from planning to launch, keeping stakeholders informed and aligned along the way • Lead efforts to improve systems and processes both within the team and across engineering • Help drive strategic planning in collaboration with the engineering manager and product manager • Mentor, sponsor, and empower team members to help them grow • Participate in the team on-call rotation