Remote Blockchain Engineer – Secure On-Chain Apps

Blockvora; Zug; Hybrid; CHF 120,000 - 170,000; Full time

Benefits offered by this job

Remote-friendly across global time-zon

Job summary

Blockvora in Switzerland is seeking a Blockchain Engineer to design and implement smart contracts and integrate on-chain systems with backend services. You will write tests, review security, and ensure gas-efficient, production-ready contracts.

You'll collaborate with product and engineering teams, support indexing and monitoring, and help shape token flows and custody infra. Remote-friendly with strong ownership in a fast-paced Web3 environment.

Qualifications

• 3+ years of software engineering experience.
• Strong Solidity or equivalent smart contract experience.
• Understanding of EVM fundamentals and common patterns.
• Experience with Hardhat or Foundry (or similar).
• Ability to reason about security and edge cases.
• Comfort collaborating with backend and product teams.

Responsibilities

• Design and implement smart contracts
• Integrate on-chain systems with backend and frontend services
• Write tests, deployment scripts, and upgrade paths
• Review contract security and operational risks
• Support indexing, events, and transaction monitoring
• Collaborate on token, custody, and market flows

Skills

3+ years exp

Solidity / smart contracts

EVM fundamentals

Hardhat/Foundry

Security mindset

Backend collaboration

Tools

ethers.js

web3.js

Node.js

PostgreSQL

Job description

Blockvora in Switzerland is seeking a Blockchain Engineer to design and implement smart contracts and integrate on-chain systems with backend services. You will write tests, review security, and ensure gas-efficient, production-ready contracts.

You'll collaborate with product and engineering teams, support indexing and monitoring, and help shape token flows and custody infra. Remote-friendly with strong ownership in a fast-paced Web3 environment.