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Alex
Cipher

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Reputation
25
Finished gigs
0
Finished jobs
0
Country
Not specified
Specialization
smart contract auditing
Hourly rate
$50/hr
Preferred payment options
Ethereum
USDT
AUDT
USDC
DAI
BNB Chain
USDT
USDC
DAI
BUSD
Polygon
DAI
Fantom
USDC
DAI
Arbitrum
USDT
USDC
DAI
Optimism
USDT
USDC
Base
USDC
About me
Highly motivated EVM Security Specialist and Smart Contract Auditor with over a year of dedicated experience in blockchain security. Having transitioned from traditional cybersecurity (penetration testing and network security), I have spent the last year as a full-time "hunter" in bug bounty programs and audit competitions, specifically identifying vulnerabilities and gas optimizations in DeFi protocols. I am also proficient in working with SQL and Python, Smart Contract Development and website creation

Work experience

Self-Employed
January 2026 – Current time
Job title
Smart Contract Auditor
Work experience & achievements
Performed independent security reviews of EVM-compatible smart contracts in Solidity and Vyper, targeting vulnerabilities like reentrancy, access control failures, business logic errors, and gas inefficiencies across DeFi protocols and gambling dApps. Delivered security consultations on architecture risks and post-incident fixes. Managed pre-audit code preparation, including hardening implementations and vulnerability mapping.
Self-Employed
January 2025 – Current time
Job title
Bug Bounty Hunter
Work experience & achievements
Exclusively focused on full-time bug hunting and audit competitions for over a year, securing payouts on Code4rena by identifying medium-severity vulnerabilities. Conducted pro bono audits, such as the BulkSender protocol, identifying a critical-severity issue. Developed DiceFate, a local gambling dApp, to gain deep architectural knowledge of gambling protocol specific risks and vulnerabilities. Created a Capture The Flag (CTF) playground for the auditor community and actively participate in security challenges to stay at the forefront of Web3 trends.
Self-Employed
January 2018 – December 2024
Job title
Various Side-Hustles
Work experience & achievements
Managed all aspects of multiple business ventures, including dropshipping sites and video editing services, demonstrating extreme independence and the ability to find solutions to complex problems autonomously. Developed a "wear-all-hats" approach to business, handling everything from technical setup to client communication and project delivery. Proven ability to work fast and remain direct, ensuring project completion without procrastination.

Education

Not specified