Application Security Engineer

💼 Hiring: Application Security Engineer - RootstockLabs Ltd. 📍 Remote (UTC-3 to UTC+2) | 🕐 Posted 2 hours ago - October 5, 2026 | 💰 Competitive | 🧑‍💻 Full-time | 🔗 AppSec / Solidity / Java / Bitcoin DeFi RootstockLabs is hiring an Application Security Engineer to secure its Bitcoin-secured DeFi infrastructure. The role covers code and smart-contract review, security automation, bug bounties, and external audits. 📋 Responsibilities include: - Review source code, smart contracts, and protocol changes - Join design reviews and threat-model new products with development teams - Triage bug bounty reports, assess severity, and coordinate remediation - Scope external audits and work with auditors through to resolution - Build security automation, including AI-assisted review, scanning, and triage - Research EVM, bridge, and p2p attacks and turn findings into monitoring, CI checks, and hardening - Support incident investigations for application-layer issues 🔑 Requirements set by the company: - 3+ years in Application Security or Security Engineering - OWASP Top 10 and secure code review in Java plus TypeScript/JavaScript, Python, Go, or Rust - Solidity/EVM smart contract auditing or protocol/node-level security - Security automation, AI-assisted workflows, SAST/DAST, dependency and secret scanning, and CI/CD gates - Fluent English 🛠 Nice-to-have: - Bug bounty triage or vulnerability disclosure - p2p, eclipse, DoS, or consensus-level attack analysis - Pentesting, red team, CTFs, or exploit development - Public research: CVEs, bounty record, audit reports, or talks - C/C++ and fuzzing of smart contracts or native code 💡 Perks & Benefits: - Competitive compensation and benefits for growth and well-being - 100% remote in UTC-3 to UTC+2, about one hour of flexibility, plus coworking access - Paid vacation and sick leave - Training, language courses, and annual learning sponsorship 🌍 Location & Time Zone: - Remote within UTC-3 to UTC+2. Background and reference checks validate experience and location. 📩 To apply: Apply: https://job-boards.eu.greenhouse.io/rootstocklabsltd/jobs/4972579101 🔗 Original post: https://lnkd.in/p/dBMmUA_3 📌 New here? Subscribe and mute notifications to avoid noise. 🔎 Search by role or skill, or check the pinned messages for a short vacancy list. ⚠️ DYOR! I do not verify every job. Requests to download and run files or make a payment are major scam warning signs. 🚩 ❗️ I am not hiring. I only share fresh Web3 jobs posted by others. #NFA #DYOR 🌎 All my other social media! Subscribe!👇 💡 Intern/Junior Web3/Crypto/Blockchain Roles DAILY 📱 Allweb3jobs on Twitter/X 📱 Allweb3jobs on LinkedIn 📱 Coinmarketcap token analysis 🪙 Binance token analysis 💬 Want to promote something or just ask a question? Feel free to reach out: @crypto_vazima