Blockchain Engineer

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
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Source: Arbeitnow (https://www.arbeitnow.ch/jobs/companies/blockvora/blockchain-engineer-zug-400842)