GrepJob
LI.FI

Senior Full Stack Engineer (Checkout)

LI.FI
Apply
about 9 hours ago
Remote, WorldwideSenior

Responsibilities

  • Own Checkout-specific backend capabilities that power funding flows end to end.
  • Design and build integration patterns for external providers to create a consistent Checkout experience.
  • Define and maintain backend contracts between Checkout UI and provider systems.
  • Drive cross-functional technical discovery to ensure architectural alignment.
  • Implement frontend work when necessary to align UI states with backend contracts.

Requirements

  • Strong backend engineering experience with expert proficiency in TypeScript and Node.js.
  • Full-stack ability to work across API contracts and UI states using React and TypeScript.
  • Proven experience integrating external APIs with a focus on async flows and recovery.
  • Working-level knowledge of Web3 concepts and products.
  • Excellent communication skills and ability to navigate multiple teams and codebases.

Benefits

  • Annual team offsites in various locations.
  • 30 days of PTO.
  • Flexible remote days and working hours.
  • Equity participation from day 1.
  • Annual personal development budget of 1,000€ after 6 months.

Tech Stack

AWSCloudflareDockerKubernetesMongoDBNode.jsReactRedisTypeScript