Senior Full‑Stack Engineer (Go / MERN / React)

About the role

The Vault by Tría Finance is building a security‑first, API‑driven platform for institutional digital‑asset operations. We are looking for a senior full‑stack engineer who can own features from backend domain modeling in Go or Node.js to a polished React UI.

Key responsibilities

• Design and implement end‑to‑end product features across Go and Node.js/Express back‑ends and a React (TypeScript) front‑end.
• Apply DDD patterns, clean architecture, and pragmatic design for backend services.
• Develop data models and migrations in PostgreSQL and MongoDB using GORM, Mongoose or raw queries.
• Build and maintain REST APIs, webhooks and event‑driven workflows.
• Ensure observability with structured logging, metrics, tracing and robust error handling.

Required profile

• 7+ years of production experience with Go and/or the MERN stack.
• Strong backend fundamentals: concurrency, API design, reliability and debugging.
• Hands‑on experience with DDD, domain modeling and bounded contexts.
• Proven ability to write clean, testable code and own feature delivery end‑to‑end.

Required skills

• Go, Node.js, Express, React, TypeScript
• PostgreSQL, MongoDB, GORM, Mongoose
• Domain‑Driven Design (DDD)
• Docker, Kubernetes
• CI/CD pipelines (GitHub Actions, GitLab CI)
• AI coding assistants (Cursor, Copilot, Claude) with disciplined verification

What we offer

• Competitive salary and annual performance bonus
• Fully remote work (any location, CET core hours)
• Paid time off including vacation, sick leave and public holidays
• Opportunity to work on multiple crypto‑native projects and choose the best fit