Smart Contract Engineer

Looking for a Smart Contract Engineer 

Location: Remote / Anywhere
Start Date: ASAP
Engagement: Full-time, long-term (6+ months)
English: B2+
Interview Process: 1–2 rounds


About the Project
We are developing a cryptocurrency platform combining functionality across Ethereum and Solana.
The platform is inspired by Bustabit and Roobet Crash, featuring:

Rocket-style game chart similar to Roobet
Chat and player panel similar to Bustabit
Staking system
Referral system
Additional crypto-based features

Responsibilities

Own the deposit-lock smart contract on Solana and EVM — specification, development, deployment, and audit support.
Design the cross-chain settlement architecture together with the Protocol Engineer.
Develop comprehensive test suites using Hardhat and/or Foundry, including property-based fuzzing.
Work directly with external auditors, including Trail of Bits and OtterSec, throughout release cycles.
Follow smart contract security best practices and ensure production-ready implementations.

Requirements

Strong experience in smart contract development for EVM and/or Solana.
Hands-on experience with Solidity and relevant Solana smart contract technologies.
Strong knowledge of Hardhat, Foundry, or Truffle.
Experience with smart contract testing and property-based fuzzing.
Strong understanding of blockchain security and smart contract vulnerabilities.
Experience designing or implementing cross-chain protocols/settlement flows is highly desirable.
Experience working with security auditors is a strong plus.