Link11 is a company with over 100 employees located in Frankfurt, Tel Aviv, and Vancouver, plus a bunch of digital nomads working 100% remotely. They focus on fighting cyber threats and making the Internet a safer place.
As one of our QA Engineers, you'll be the guardian of product excellence - thinking like a hacker, testing like a detective, and ensuring our complex systems work flawlessly in the wild. You'll go beyond finding bugs to anticipating the unexpected: edge cases, weird component interactions, and those "no user would ever do this... but what if?" scenarios that separate good products from great ones. What You'll Own: Design battle-tested strategies that catch issues before customers do, Build automated test suites that scale with our ambitions, Hunt down bugs across complex component interactions and configurations, Partner with dev teams to ship quality at speed, Be the voice of risk assessment when it matters most. You Should Have: Critical thinking that connects dots others miss, Deep web tech knowledge (HTTP/HTTPS, DNS, SSL/TLS, CDN), Automation chops (Python, JavaScript, Bash), Experience with test methodologies and writing bulletproof test cases, Debugging skills that turn logs into insights, Communication skills that turn complex issues into clear actions. Why Join? You'll be testing cybersecurity products that defend critical infrastructure against DDoS attacks β a single bug could mean the difference between stopping an attack in <10 seconds or watching a bank, power grid, or hospital go offline. This isn't just QA β it's cyber defense at the highest level.