Fueling Innovation Through First Principles
Rahul Ramkumar
Chief Product Officer
Rocket.new
Fueling Innovation Through First Principles
Rahul Ramkumar
Chief Product Officer
Rocket.new
In the early days of India’s e-commerce boom, a young product manager found himself zipping through the crowded streets of Bengaluru, helmet on, his heart racing, as he learned Kannada to better understand his delivery partners. He was chasing meaning, not metrics. Those days at Flipkart, building logistics from scratch with a four-member team and a mountain of ambition, were less about packages and more about possibilities. That journey, grounded in customer obsession, curiosity, and clarity, set the tone for everything Rahul Ramkumar would later do. From shaping how millions shop online to redefining fulfillment tech and AI-led retail experiences, his story is not of titles, but of transformation. Today, as Chief Product Officer at Rocket.new, Rahul continues to merge technology with empathy, scaling innovation through code and culture, proving that great products are built in life, not in labs.
"Stay close to your customers and the problem you’re solving. Don’t chase trends, chase understanding. "
How did your early retail experiences shape your approach to building products at scale, and what inspired your move into AI and fulfilment tech?
Back in 2010, I was among the first product managers at Flipkart, long before it became the e-commerce giant it is today. We had immense demand but limited logistics infrastructure, and relying on external aggregators compromised the customer experience. That’s when Flipkart took a bold step to build its own logistics ecosystem from scratch, an unprecedented move that demanded firstprinciples thinking. With just four of us, we created end-to-end logistics systems, including routing and planning, and even introduced cash-on-delivery within months. I interviewed hundreds of customers and delivery partners, learned to ride a motorcycle, and picked up Kannada to understand the ground reality. That experience shaped my belief in the importance of customer focus, curiosity, clarity, and first-principles problem-solving.
Among all the products you’ve built or overseen, which one feels closest to your heart, and why?
That would be Walmart’s Search. We built it from the ground up, breaking everything down to first principles and rebuilding it as an AI-native system. It was one of the most challenging yet rewarding projects I’ve led. Walmart Search is now the second most-used retail search engine in the world and what made it special was not only the scale, but the team that built it. We had a group of incredibly talented, humble, and curious people who genuinely enjoyed solving hard problems together. Their passion made even the most complex challenges feel easy and fun. We didn’t just meet our goals, we surpassed them, and in record time.
If you could give one piece of advice to aspiring product leaders who want to build truly impactful technology, what would it be?
Stay close to your customers and the problem you’re solving. Don’t chase trends, chase understanding. The best products are not born from boardroom discussions but from real-world empathy and curiosity. Build from first principles, always. And remember: no matter how advanced the technology, it’s still about people at the end of the day.
What’s one milestone in your 13- year product journey that truly transformed how you bridged retail challenges with technology?
One major milestone came in 2020 at Walmart, when we decided to merge two major apps, one for groceries (the “Orange app”) and another for the broader marketplace (the “Blue app”), into a single seamless experience. What seemed like a simple tech task soon became a massive organizational transformation. Both apps were loved and top-ranked, yet customers faced friction. After all, no one needs two checkout counters in a physical store, so why do we need them online? The merger had failed five times before, but after a year of relentless effort, thousands of Zoom calls, and collaboration from over 2,000 people, we launched the unified Walmart app in mid-2021. Despite resistance, it became one of the world’s top retail apps, a true testament to teamwork and perseverance.
Outside of product launches and boardrooms, what keeps you inspired and helps fuel your creativity at Rocket.new?
I’ve always been passionate about sports, especially cricket. I can watch a five-day Test match from start to finish, even if my favourite team isn’t playing. The sport teaches you patience, discipline, perseverance, and teamwork, qualities that are surprisingly relevant to building great products. Cricket, like life, reminds you that it’s a team sport. Individuals may shine, but it’s the collective that wins. Beyond that, my biggest source of energy comes from my wife and two kids. Spending time with them grounds me. Their curiosity, laughter, and sheer joy in the simplest things constantly remind me that life doesn’t have to be complicated. That perspective helps me approach innovation with both simplicity and purpose.
What excites you most about your work at Rocket.new and the future of AI in product development?
What excites me most is the pace of change and the opportunity to reimagine how products are conceived and delivered. At Rocket.new, we’re not just building AI tools; we’re creating systems that think and learn alongside humans. That’s where the magic happens, when AI becomes an enabler of creativity, not a replacement for it. The future of product development lies in blending empathy with intelligence, gaining a deep understanding of human needs, and leveraging technology to amplify that understanding. For me, that’s the most exciting frontier to build on.
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