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Open nowPosted 24 days ago

Full-Stack Engineer - Go + React (Crypto Custody)

Workable (global search)108,016 open roles

Where
Yerevan, Armenia
Work mode
Remote
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Your applicationOpen nowFull-Stack Engineer - Go + React (Crypto Custody)Workable (global search) · Yerevan, Armenia

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The clock on this job

Early applications get read.

7.9% of postings close within 7 days. Measured by our own scanner across the market. Workable (global search) postings stay open a median of 7 days.

Share of postings closed within
  1. 1.6%1 day
  2. 3.6%3 days
  3. 7.9%7 days
  4. 14.9%14 days
  5. 34.0%30 days
This job: posted 24 days ago

Workable (global search) median: 7 days open

The posting

The Vault by Tría Finance is a Swiss and EU-regulated fintech group delivering institutional-grade digital asset infrastructure and services.

Bringing together a software vendor and a licensed Crypto Asset Service Provider (CASP), The Vault combines deep domain expertise with a strong foundation of transparency, security, and regulatory compliance.

We develop and operate a comprehensive suite of crypto-native solutions, powered by proprietary technology, enabling institutions to execute digital asset strategies across both custodial and non-custodial models.

We're building a security-first platform for digital asset operations. Our product is API-driven, highly auditable, and engineered for reliability. We're looking for a Senior Full-Stack Engineer who can own features end-to-end — from clean domain modeling in Go or Node.js to a polished, crisp React UI.

Responsibilities:

  • Build end-to-end product features across Go and Node.js/Express backends and React frontend
  • AI-assisted development: use Cursor/Copilot/ClaudeCode (or similar) daily to accelerate delivery, refactoring, and test generation—while verifying outputs and keeping code clean
  • Design backend services using DDD patterns (bounded contexts, aggregates, domain events), clean layering, and pragmatic architecture
  • Implement data models and migrations across PostgreSQL and MongoDB, using GORM, Mongoose, or raw queries where appropriate
  • Build and maintain REST APIs (and webhooks/event-driven workflows where needed) in both Go and Node.js/Express
  • Implement frontend flows in React (TypeScript): dashboards, admin workflows, status lifecycles, audit views
  • Ensure correctness and observability: structured logging, metrics, tracing, and production-ready error handling
  • Contribute to security fundamentals: RBAC, least-privilege access, safe secrets handling, and audit trails
  • Own quality: unit/integration tests, contract tests, and CI pipelines

Requirements

Must-have

  • 7+ years building production systems with Go and/or the MERN stack (MongoDB, Express, React, Node.js), plus solid React experience
  • Strong backend fundamentals: concurrency, APIs, reliability, debugging
  • Hands-on with DDD (not just buzzwords): can model domains and keep boundaries clean
  • Strong database skills across PostgreSQL and MongoDB: schema/collection design, indexing, query tuning, migrations
  • Experience with GORM and/or Mongoose (or similar ORMs/ODMs) plus comfort dropping to raw SQL or aggregation pipelines when needed
  • Frontend proficiency in React (TypeScript preferred), including state management and form-heavy admin UIs
  • Good testing discipline (Go testing, Jest/Vitest, integration tests; frontend testing basics)
  • REQUIRED: confident daily use of AI coding tools (Cursor/Copilot/etc.) with disciplined verification and secure practices

Nice to have

  • Event-driven patterns: outbox, retries, idempotency, background jobs
  • Experience with RBAC/policy engines, audit logs, fintech/compliance workflows
  • Docker/Kubernetes familiarity
  • CI/CD ownership (GitHub Actions/GitLab CI), release workflows
  • Experience with high-security systems (custody, payments, identity)

Soft skills

  • Ownership mindset: deliver features end-to-end with high quality
  • Clear communication and ability to work across teams
  • Pragmatic: balances long-term design with shipping
  • Comfortable in ambiguity and fast iteration

Benefits

  • Competitive salary;
  • Annual performance bonus;
  • Fully remote position — work from anywhere in the world (team operates on CET);
  • Paid time off, including vacation, sick leave, and public holidays;
  • Multiple projects within the company — the opportunity to discuss different projects during the interview and choose the one that's the best fit for you.
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