Backend Engineer

The role
We are hiring a Backend Engineer to design, build, and maintain scalable backend services. You will own APIs, data models, and integrations with blockchain and third-party systems. Stack is not limited to Node — strong engineers in Rust, Go, Java, Python, or Ruby are welcome. This is a hands-on role focused on reliability, security, and production readiness.
What you'll do
Build and maintain backend services in one or more of: Node.js, Rust, Go, Java, Python, Ruby
Design REST and/or GraphQL APIs
Model data and own PostgreSQL / Redis (or equivalent) usage
Integrate blockchain APIs, wallets, and external services
Implement auth, permissions, and operational controls
Write tests, improve observability, and participate in reviews
Ship production-ready services with CI/CD
What we're looking for
Must-have experience and skills for this role.
3+ years of backend engineering experience
Strong proficiency in at least one of: Node.js/TypeScript, Rust, Go, Java, Python, or Ruby
Experience with relational databases (PostgreSQL preferred) and caching
Solid understanding of REST APIs and system design basics
Experience integrating external APIs or microservices
Strong coding fundamentals and production debugging skills
Nice to have
Proficiency across multiple backend languages
Web3 integrations (ethers.js, smart contract APIs, chain clients)
Event-driven or distributed systems experience
AWS / GCP familiarity
Fintech or consulting experience
Tech stack
Node.js · TypeScript
Rust
Go
Java
Python
Ruby
PostgreSQL · Redis
Docker · AWS / GCP
Why join
Work on modern Web3, RWA, and digital products
High ownership and visible product impact
Close collaboration with engineering, product, and design
Fast-paced environment with real production systems
Remote-friendly across global time zones
What success looks like
Stable APIs in production
Clear data models and service boundaries
Reliable integrations with blockchain and third-party systems
Low operational noise and strong code quality
Hiring process
Application review
Technical discussion (backend + system design)
Final discussion
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Source: Arbeitnow (https://www.arbeitnow.ch/jobs/companies/blockvora/backend-engineer-zug-145470)