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Senior Web3 Software Development Engineer in Test (SDET)
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AI Summary
Designs and implements secure, gas-efficient smart contracts and integrates on-chain systems with backend/frontend. Focuses on correctness, security, and operational safety. Requires 3+ years of software engineering experience with Solidity/EVM expertise.
Key Highlights
Hands-on role focused on correctness, gas efficiency, and operational safety
Collaboration with backend and product teams for on-chain system integration
Must-have: 3+ years software engineering experience with Solidity/EVM expertise
Key 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
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Technical Skills Required
Benefits & Perks
High ownership and visible product impact
Close collaboration with engineering, product, and design teams
Remote-friendly across global time zones
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Nice to Have
Audit experience or formal verification exposure
Experience with L2 networks (Polygon, Arbitrum, Optimism)
ethers.js / web3.js integrations
RWA, DeFi, or fintech product experience
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:
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