Full-Stack Engineer - Go + React (Crypto Custody)
Core
Build end-to-end product features for a security-first, API-driven crypto custody platform serving institutions, spanning Go/Node.js backends and React frontends.
Role type
Senior Full-Stack Engineer (Go + React)
Builds
Institutional-grade digital asset infrastructure and crypto-native solutions
Domain
Fintech / Digital Asset Custody
Deliverable
production ML models | product features
Required skills
Go, Node.js/Express, React (TypeScript), PostgreSQL, MongoDB, DDD patterns, REST APIs, AI coding tools (Cursor/Copilot/ClaudeCode), testing discipline
Preferred skills
Event-driven patterns, RBAC/policy engines, Docker/Kubernetes, CI/CD ownership, high-security systems experience
Technologies
Go, Node.js, Express, React, TypeScript, PostgreSQL, MongoDB, GORM, Mongoose, Cursor, Copilot, ClaudeCode
Responsibilities
Build end-to-end product features across Go and Node.js/Express backends and React frontend; Design backend services using DDD patterns; Implement data models and migrations across PostgreSQL and MongoDB; Build and maintain REST APIs; Implement frontend flows in React (TypeScript); Ensure correctness and observability; Contribute to security fundamentals; Own quality through unit/integration tests and CI pipelines
Seniority
Senior, hands-on IC