Blockchain Engineer

Blockvora; Zug; Remote; CHF 110,000 - 170,000; Full time

Job summary

Blockvora is hiring a Blockchain Engineer to design and implement smart contracts and chain integrations. You will work with backend and product teams to ship secure, production-ready on-chain systems.

The role is hands-on, emphasizing correctness, gas efficiency, and operational safety within a fast-paced Web3 environment. Remote-friendly across global time zones with strong collaboration expectations.

Qualifications

• 3+ years of software engineering experience.
• Strong Solidity or equivalent smart contract experience.
• Understanding of EVM fundamentals and common patterns.
• Experience with Hardhat / 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 software eng

Solidity

EVM concepts

Hardhat/Foundry

Security reasoning

Backend collaboration

Tools

ethers.js

web3.js

Job description

The role

We are hiring a Blockchain Engineer to design and implement smart contracts and chain integrations. You will work closely with backend and product teams to ship secure, production-ready on-chain systems. This is a hands-on role focused on correctness, gas efficiency, and operational safety.

What you\'ll do

• 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

What we\'re looking for

Must-have experience and skills for this role.

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

Nice to have

• Audit experience or formal verification exposure
• L2 networks (Polygon, Arbitrum, Optimism)
• ethers.js / web3.js integrations
• RWA, DeFi, or fintech product experience

Tech stack

• Solidity
• Hardhat / Foundry
• Ethereum · L2s
• ethers.js
• Node.js
• PostgreSQL

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

Hiring process

• Application review
• Technical interview
• Final discussion