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# Security Engineer

- **Company:** Air Apps
- **Location:** Barcelona, Spain (Remote available)
- **Salary:** €60,000.0 - €68,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Cyber Security, Fuzz Testing, Open Source Technology, Blockchain, Reverse Engineering, Virtual Machines, Ethereum, Web3.js, Blockchain Security
- **Published:** July 23, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

Requirements:Strong curiosity and aptitude for quickly learning complex systems.Familiarity with one or more smart contract platforms.Proven experience as a security consultant, engineer, auditor, or bug bounty participant.Knowledge of open-source development practices and collaborative workflows.Willingness to learn multiple blockchain runtimes and validator implementations (e.g., Go, Rust).Understanding of blockchain infrastructure technologies, including validation, bridging, and oracles.Prior experience with reverse engineering, fuzzing, and code review.Demonstrated achievements in bug bounty programs, coding competitions, or CTFs.Benefits:Competitive base salary with lucrative bonus programs.Premium healthcare and life insurance.Pension or 401K plans.25 days of paid vacation.Remote work flexibility with equipment stipend.Opportunity to work on cutting-edge blockchain technologies with global experts.Why Apply Through Jobgether?We use an AI-powered matching process to ensure your

## Description

Inscribirse en esta oferta This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Security Engineer, EVM in Spain.This role offers the opportunity to work at the forefront of blockchain security, focusing on Ethereum Virtual Machine (EVM) and other smart contract platforms. You will contribute to securing decentralized protocols, performing advanced research, and developing tools to prevent vulnerabilities. Collaborating with both internal and external teams, you will lead security audits, guide bug bounty programs, and implement defense-in-depth controls. This is a fully remote position, offering exposure to cutting-edge blockchain technologies, diverse decentralized teams, and a culture rooted in professionalism, confidentiality, and open-source values. The role requires curiosity, technical rigor, and a hands-on approach to proactively safeguard web3 systems.Accountabilities:

 + Design and implement security and defense-in-depth controls to identify and mitigate vulnerabilities.
 + Conduct advanced security research on EVM and/or SVM smart contract platforms.
 + Develop security tooling, developer workflows, and automated processes to detect vulnerabilities early.
 + Collaborate with internal contributors to perform thorough security audits.
 + Lead external security audits with third-party firms and manage ongoing bug bounty programs.
 + Communicate security risks, recommendations, and solutions clearly to technical and non-technical stakeholders.
 + Maintain high standards of trust, professionalism, and confidentiality in all security operations.


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