Application Security Engineer

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications, and regulatory technologies. 

We are looking for an Application Security Engineer with Web3/DeFi

Requirements:

- Strong proven experience in auditing Web3/DeFi projects (at least 2–3 audits of capital management or vault systems)
- Deep expertise in Solidity and smart contract development
- Solid understanding of DeFi risks and economic attack vectors
- Hands-on experience with Aave, Morpho, or similar lending/yield protocols
- Ability to deliver not only technical audits but also strategic and risk management recommendations

Will be plus:

- Experience with TRON / TVM
- Practical experience auditing and configuring multisig wallets on Fireblocks
- Previous audits of vaults and capital management strategies
- Knowledge of formal verification, invariant testing, and fuzzing (Foundry, Echidna)
- Experience working at top auditing firms (Sherlock, Cyfrin, Spearbit, Trail of Bits, Zellic, etc.)
- Published audit reports and a history of finding critical/high-severity vulnerabilities
- Strong understanding of current DeFi market dynamics and risk management practices (2026)

Responsibilities:

- Conduct comprehensive security audits of smart contracts (Solidity, TVM/TRON)
- Identify and analyze vulnerabilities (reentrancy, access control, flash loan attacks, oracle manipulation, etc.)
- Review protocol architecture, identify single points of failure, and key risks
- Audit and provide recommendations on access control models and custom role systems
- Review multisig setup on Fireblocks (signers, thresholds, role distribution, best practices)
- Analyze DeFi integrations (Aave, Morpho) and capital allocation strategies
- Develop recommendations for risk management and safety mechanisms (pause, emergency controls, circuit breakers)
- Prepare detailed audit reports with severity levels and remediation steps
- Provide strategic advisory on protocol design, guardrails, and incident response

Our benefits to you:
🍀 An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance, and more
🤝🏻 Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed
🧑🏻‍💻 Modern corporate equipment based on macOS or Windows, and additional equipment is provided
🏖️ Paid vacations, sick leave, personal event days, days off
💵 Referral program — enjoy cooperation with your colleagues and get a bonus
📚 Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences
🎯 Rewards program for mentoring and coaching colleagues
🗣️ Free internal English courses
✈️ In-house Travel Service
🦄 Multiple internal activities: online platform for employees with quests, gamification, presents and news, clubs for movie/book/pets lovers, and more
🎳 Other benefits could be added based on your location