Position: Blockchain infrastructure security engineer
Company: Boosty Labs
Category: Security
Experience required: 5y
English level: upper

Our customer is an innovative cryptocurrency ecosystem, developing unique IT products like a crypto wallet, payment gateway, exchange & OTC desk, SaaS, and a distinctive utility token.

We’re making an audit for this customer and now we’re looking for an experienced SecOps to help us with security audit of client's payment system.

**Project stack:** Go, PHP, MySQL, NSQ, JS, React, Blockchain (Bitcoin, Ethereum, etc.)

**Team on the project:** 2 Architects, PO, BA and advisor

**Requirements:**

• 5+ years of experience in software security
• 3+ years of experience with Ethereum smart contracts
• Private key management, deep understanding of transaction flow
• Formal education on Computer Science or Mathematics
• Experience auditing (internally/externally) DeFi systems, from both technical and economical points of view
• Ability to write high-quality security reports, private and public
• Interest on Ethereum research and edge advancement on the ecosystem
• Solid understanding/experience with non-EVM blockchains or paradigms (e.g. Bitcoin)
• Understanding of blockchain infrastructure, security implications and consensus algorithms
• Experience in security threat modeling
• Ability to analyze and debug complex systems
• Ability to automate and build tools for security reviews
• Upper-Intermediate English

**Nice to have:**

• Experience with Fuzzing

**Responsibilities:**

• Review systems to secure digital assets (e.g. cryptocurrency) from attackers
• Analyze and present results to team member and clients
• Work closely with security engineers and development teams in IT security projects
• Participate in hacking exercises, and conduct developer trainings
• Code review of blockchain implementations

**What we offer:** 

• Flexible working format (remote, office, or mix)
• Flexible working hours
• Informal and friendly atmosphere
• The ability to focus on your work: a lack of bureaucracy and micromanagement
• 20 paid vacation days
• 7 paid sick leaves
• Education reimbursement
• Free English classes
• Psychologist consultations

**Recruitment process:** Recruitment interview - Technical interview - Final interview