Backend Engineer

Blockvora; Switzerland; Remote; CHF 110,000 - 160,000; Full time

Benefits offered by this job

Remote-friendly

Competitive salary

Flexible working hours

Job summary

Blockvora is hiring a Backend Engineer to design, build, and maintain scalable services. You will own APIs, data models, and integrations with blockchain and third-party systems. The role is hands-on, focused on reliability, security, and production readiness.

You will work across Node.js, Rust, Go, Java, Python, or Ruby in a fast-paced Web3 environment. You'll build and maintain backend services, design REST and GraphQL APIs, model data in PostgreSQL/Redis, and ensure robust CI/CD, testing, and

Qualifications

• 3+ years of backend engineering experience.
• Proficiency in at least one listed language (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.

Responsibilities

• Build and maintain scalable backend services.
• Design REST and/or GraphQL APIs.
• Model data and manage PostgreSQL/Redis usage.
• Integrate blockchain APIs, wallets, and external services.
• Implement auth, permissions, and observability.
• Write tests and participate in reviews.
• Ship production-ready services with CI/CD.

Skills

Backend engineering

REST APIs

System design

Production debugging

CI/CD

Node.js/TypeScript

Rust

Go

Java

Python

Ruby

Tools

PostgreSQL

Redis

Docker

AWS

GCP

Job description

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.