Senior Full Stack Engineer - LI.FI

• •Own Checkout-specific backend capabilities that power funding flows end to end, including provider integrations, quotes, sessions, statuses, deposit addresses, and recovery
• •Design and build integration patterns for external providers (onramp, exchange, payment), normalising provider-specific behaviour into a consistent Checkout experience
• •Define and maintain the backend contracts between Checkout UI, provider systems, and LI.FI's execution infrastructure, including robust state handling across long-running and failure-prone flows
• •Drive cross-functional technical discovery when Checkout depends on Core backend, Partner Portal, or other adjacent teams, ensuring architectural alignment without drift
• •Implement frontend work where useful, particularly when UI states and backend contracts need to be designed together

• •Annual team offsites (Thailand in 2023, Vietnam in 2024, Marrakech in 2025, Crete in 2026; memories we'll never forget)
• •30 days of PTO
• •Flexible remote days
• •Flexible working hours
• •Equity participation from day 1
• •Entitlement to work computer (choice of equipment)
• •An annual 1,000€ personal development budget once you have worked 6+ months (pro-rated the first year)
• •A one-time 1,000€ remote budget to use on coworking, office setup, etc.

*If you join us as an independent contractor, you’re only entitled to the first five benefits of this list.*