Hi, I’m Ratan Kumar – a passionate Software Development Manager with over 13 years of experience in building scalable software systems and leading high-performing engineering teams across both startups and large enterprises. Throughout my career, I’ve worked with renowned organizations like Lendingkart, OLA (ANI Technologies), ANZ Bank, Tavant, IG Infotech, Infosys, and Nucleus Software, gaining a versatile mix of product development and system architecture experience. I specialize in: Designing and developing microservices architectures using Spring Boot and REST APIs. Building enterprise-grade applications across the full development lifecycle, from concept to delivery. Working with Java and related technologies, alongside cloud platforms like AWS. Implementing Test-Driven Development (TDD) and driving CI/CD pipelines for quality and efficiency. Mentoring and scaling engineering teams (20+ developers), and collaborating with cross-functional stakeholders. I’m known for my strong sense of ownership, problem-solving mindset, and ability to convert complex business requirements into robust, scalable solutions. I take pride in writing clean, maintainable code and instilling best practices through peer reviews and agile leadership. Always eager to learn and innovate, I regularly explore new technologies and create quick POCs to evaluate their business impact. If you're looking to build, scale, or modernize your tech stack—or want guidance in transitioning your career—I’d love to connect!