Patchstack is a cybersecurity company focused on making web applications more secure by identifying and patching vulnerabilities in open-source code. They're seeking a Senior Backend Developer with expertise in PHP and Laravel to join their remote team. The role requires working in the EEST timezone (+/- 2 hours) and involves developing web-based PHP applications, refactoring code, and maintaining high security standards. The company provides a SaaS solution for vulnerability detection and runs a community-driven bug bounty platform called Patchstack Alliance. They maintain an open WordPress vulnerability database and offer professional code review services. The ideal candidate should be self-disciplined, have excellent communication skills, and be passionate about web security. The position offers numerous benefits including flexible remote work, extensive paid vacation, professional development opportunities, and a collaborative team environment. This is an opportunity to make a significant impact on web application security while working with modern technologies in a growing startup.