PurpleRain Tech

We’re seeking a Backend Engineer (Equity based / Core Team) to join our rapidly growing cybersecurity startup. This is a remote role focused on maintaining, scaling, and optimizing our backend infrastructure. The ideal candidate is hands-on, proactive, and comfortable working in a fast-paced startup environment where every commit truly matters. Key Responsibilities: Maintain and scale existing APIs and backend services. Dockerize applications for development and production environments. Implement and enhance VPN and networking solutions using Headscale / WireGuard. Collaborate closely with the CTO to integrate the backend with a Next.js frontend. Optimize Ubuntu 22.04 servers for scalability, load balancing, and efficiency. Ensure top-notch code quality, CI/CD pipelines, and adherence to security best practices. Mentor junior developers or interns, fostering technical growth within the team. Qualifications Proven experience leading or contributing to backend engineering in startups or fast-paced environments. Strong knowledge of Flask, Docker, and Linux (Ubuntu 22.04). Experience with Headscale / WireGuard networking setups. Understanding of RESTful API design, authentication, and database schema planning. Working knowledge of Next.js integration is a plus. Excellent problem-solving abilities and resourcefulness under constraints. Passion for cybersecurity, performance optimization, and scalable architecture. Bonus Points: Experience deploying or managing IPv6-only servers (along with temp IPv4 routes). Familiarity with cloud or hybrid server environments. Prior experience connecting backend systems with modern frontend frameworks. Why Join Us Be part of a small yet ambitious team shaping the future of accessible cybersecurity. Flexible work culture — remote-friendly, result-oriented, and impact-driven. Direct ownership and influence over core infrastructure decisions. Real-world projects, meaningful impact, and the freedom to innovate. We are chill