Carlos Vendrell Felici — Co-Founder
Founder & Lead Auditor at Zealynx | Helping DeFi teams ship secure smart contracts with confidence. Trusted by teams like Lido Finance, BadgerDAO, Redstone, Microchain, Glif, Matchain, and more. Recommended by leading audit firms like Cyfrin and Pashov audit group, where I have worked as a contractor for multiple audits. And a proud partner of Immunefi. I’m passionate about Web3 security and specialize in “future-proof” smart contract audits for early-stage and scaling DeFi projects. At Zealynx, I combine deep blockchain expertise with advanced security techniques, like fuzzing, invariant tests, and formal verification, to uncover vulnerabilities and help teams avoid costly hacks. My approach is hands-on, transparent, and tailored to each client. I work directly with founders and builders to deliver clear, actionable reports and provide support throughout the audit process, including a 10-day mitigation period and complimentary re-audits following fixes. What sets Zealynx apart: - Founder-led communication and flexible, customer-specific scoping - Super fast booking, get your audit started within 1–2 days - Network of top auditors across EVM, Solana, Cairo, and more - Clear, actionable reporting and ongoing support after the audit Based in Poland, I operate Zealynx as a one-person company, collaborating with a strong network of auditors. If you’re building in DeFi and want to ship with confidence, let’s connect. I'm happy to chat about audits, security, or Web3 in general.
Stackforce AI infers this person is a Fintech expert specializing in smart contract security and blockchain technology.
Location: Wrocław, Dolnośląskie, Poland
Experience: 9 yrs
Skills
- Smart Contract Audit
- Web3 Security
Career Highlights
- Founder of Zealynx, specializing in smart contract audits.
- Trusted by leading DeFi teams for security audits.
- Expert in advanced security techniques like fuzzing and formal verification.
Work Experience
Zealynx Security
Founder & Smart Contract Security Researcher (2 yrs 3 mos)
Bloqarl Web3 Security Researcher
Smart Contract Auditor | Content Creator (3 yrs 5 mos)
Sliide
Senior Software Engineer in Test (2 yrs 6 mos)
Concentrix Tigerspike
Software Engineer in Test (1 yr 9 mos)
Ryanair - Europe's Favourite Airline
Mobile QA Automation Engineer (2 yrs 11 mos)
GlobalLogic
Junior Test Engineer (7 mos)
REC - a GlobalLogic company
Junior Software Engineer (6 mos)
Transition Technologies S.A.
Sales and Marketing (3 mos)
Qatar Airways
Customer Service Agent (6 mos)
Education
Ingeniería Industrial at Universitat Politècnica de València (UPV)
Bachelor of Engineering (BEng) at Wrocław University of Science and Technology
