🚀 In-House Security Consultant – Web3 & Web2 Security | Arka.xyz

📍 Remote | 1-Month Minimum Contract | Competitive Compensation (USDC/USDT)

🔍 About Arka.xyz

Arka.xyz is a prediction market exchange leveraging Web3 technologies to enable seamless, decentralized trading on event outcomes. We operate using smart contracts on Solana, ensuring secure, transparent, and trustless transactions.

As we scale, security is our top priority, and we are looking for a security consultant who can actively probe, test, and strengthen our system against threats from both Web3 (blockchain/smart contracts) and Web2 (backend, frontend, APIs, cloud infrastructure).

🛡️ Role Overview :

We are seeking a highly skilled security expert for a minimum period of 1 month, with a possibility of extension. You will be responsible for: ✅ Identifying and patching security vulnerabilities across our Web3 & Web2 infrastructure. ✅ Conducting smart contract audits, testing for exploits (reentrancy, oracle manipulation, gas efficiency, etc.). ✅ Penetration testing on our backend, APIs, frontend, and cloud infrastructure. ✅ Reviewing wallet integrations, KYC/fiat-to-crypto flows, and user authentication security. ✅ Collaborating with our tech team to implement security best practices. ✅ Reporting findings and providing actionable mitigation strategies.

💡 Preferred Skills & Experience

🔹 Smart Contract Auditing – Deep experience with Rust and Anchor. 🔹 Web2 Security – Proficiency in penetration testing, API security, cloud security (AWS) 🔹 Blockchain & Web3 Security – Familiarity with Solana ecosystems, private key management, MEV, exploits, and DeFi security. 🔹 Red Teaming Experience – Hands-on experience in bug bounty hunting, CTFs, or ethical hacking. 🔹 Familiarity with Security Tools – Hardhat, Slither, Mythril, ZAP, Burp Suite, Wireshark, or similar. 🔹 Strong communication and documentation skills for clear reporting.