Application Security Engineer

Summary

Join a team of experts at Career Renew to build leading blockchain wallet infrastructure. As an Application Security Engineer, reporting to the CISO, you will lead application security efforts, identifying and mitigating risks, addressing vulnerabilities, and protecting client data. You will assess security risks, detect threats, and implement mitigation strategies while ensuring compliance. Advanced knowledge of API security, web-based vulnerabilities, penetration testing, and defense-in-depth strategies is essential. This fully remote role (EU/UK based) offers the opportunity to significantly impact security in a fast-paced environment. The goal is to protect software and build security features on time.

Requirements

• 8+ years of experience as a Security Engineer or in a similar role
• 2+ years of experience in crypto, working on blockchains
• Noteworthy educational backgrounds (excluding executive certs from a year ago)
• Familiarity with securing APIs and smart contracts
• Familiar with security libraries, controls, and common vulnerabilities

Responsibilities

• Contribute to the team’s vision for building secure and reliable products, setting roadmap priorities, and meeting deadlines with high-quality outcomes
• Introduce innovative solutions to address application security challenges
• Conduct security reviews, including code reviews, design reviews, and dynamic testing
• Implement security and cryptography solutions
• Identify design flaws and logical vulnerabilities
• Develop and maintain a threat modelling framework
• Guide software engineers on security best practices
• Manage application security vulnerabilities
• Support the bug bounty program and prepare security releases
• Develop automated security tests to ensure secure coding practices
• Assist in penetration testing and collaborate with external penetration testing firms
• Oversee the Secure Software Development Lifecycle (SSDLC)
• Design, research, and execute attacks to improve defensive strategies
• Publish blog posts and present at security conferences on discovered vulnerabilities
• Stay abreast on developments in crypto and blockchain to guide strategic goals

Preferred Qualifications

Passionate about security, finance and blockchain with broad expertise and a proactive approach to safeguarding systems and sensitive data

Benefits

• Salary: €120,000-160,000 per year (full-time work contract)
• Equity: 300-600 stock options (i.e., 0.1-0.2%) vested over 4 years
• Location: France or EU (fully remote with optional access to office)
• Equipment: MacBook Pro and other work essentials