Shalabh Aggarwal is a seasoned engineering leader who develops and manages enterprise systems and web and mobile applications for small- and large-scale organizations. He started his career working with Python, and although he now works on multiple technologies, he remains a Python developer at heart. He is passionate about open source technologies and writes highly readable and high-quality code. Throughout his career, he has built software products and engineering teams for companies moving from 0 to 1, 1 to 10, and 10 to 100 levels.He is also active in voluntary training for engineering students and young engineers on non-conventional and open source topics. When not working with full-time assignments, he consults for start-ups on starting or scaling up while leveraging different technologies. When not writing code, he dedicates his time to his young kid and occasional travels.