Engineering leader with 20+ years building high-scale platforms across Payments, Open Banking, and Digital Commerce — PCI-DSS-compliant payment systems, low-latency APIs serving millions of transactions, and terabyte-scale NoSQL platforms delivering 99.999%+ uptime. Author of two Amazon best-selling MongoDB books.
Two decades of hands-on architecture and engineering leadership. A passionate and certified Architect, built several critical distributed systems.
Architecture blueprints, NFR frameworks, and engineering standards — partnering with CXOs to align technology with business growth.
PCI-DSS-compliant payment platforms scaled from zero to 3M+ daily transactions, including NPCI-connected bill payment and recharge stacks.
ReBIT-compliant Account Aggregator platforms and India's first ABDM-backed Digital Health Locker — secure, consent-driven data exchange.
MongoDB clusters ingesting 1.5TB/day, Kafka pipelines at 900M+ daily messages, plus Redis, Cassandra, ElasticSearch, and Aerospike at scale.
AWS-certified architect delivering cost-optimized, cloud-native platforms with automated failover, containerization, and reliability engineering.
Central API ecosystems serving 40M requests a day at sub-15ms latency through microservices, caching, and routing optimization.
From Java developer to engineering executive.
First 10 years with Policybazaar and rest with Paisabazaar. Built the end-to-end digital payments stack powering PB Pay from concept to a payment aggregator handling millions of daily transactions. Architected API ecosystems serving 40M daily requests at <15ms, MongoDB clusters ingesting 1.5TB/day, and org-wide Kafka handling 900M+ daily messages — at 99.999% uptime. Built RBI licenced PB Financial Account Aggregator. Spearheaded India's first ABDM-backed Digital Health Locker.
Led the Non-English News CMS powering TOI, ET, and Navbharat Times at 10M+ daily requests. Built Live Blog, Campaign Manager, and a Spring Batch newsletter engine delivering 50+ personalized newsletters, with Akamai/S3 CDN pipelines and social components on Neo4j + MongoDB.
Designed and delivered scalable Java EE systems across banking & finance, ad-tech, and e-commerce — owning end-to-end SDLC, mentoring engineers, and stabilizing large legacy systems.
Built audit modules for Central Excise and Service Tax (500+ JSPs, 125+ tables each). Awarded the Critical Assignment Bonus for outstanding performance.
Java JEE engineering on Verizon Wireless B2C, B2B, and WMS platforms — Struts, EJB2, web services, and enterprise design patterns.
Where it all began — Java development of web and business components.
Books, awards, and the stage — the highlights, one box at a time.
Hit #1 in Amazon's Computer Databases chart with a 5.0★ rating — ranked ahead of long-standing database classics.
Amazon · #1 Best SellerThe developer-side best-seller that started it all — from your first document to production-ready applications on MongoDB 8.0.
I write my thoughts as technical posts on mySoftKey.com over the weekend, especially whenever not working on a project.
Trusted reviewer for Apache Cassandra Essentials and Real-time Analytics with Storm and Cassandra.
Named Winner at the 12th DevOps Conclave & Awards, The Westin Gurgaon — see the awards page.
Technophiles India · 2026Paisabazaar engineering recognized as Best Engineering Team of the Year (FinTech) at The Leela, Delhi, 21 Aug 2026 — a team trophy for a team sport.
Payment products built from scratch — live in production, with more in flight.
Built the digital payments platform from scratch — and got it PCI-DSS certified.
Pay any bill — credit card, loan, electricity, water, FASTag, and more. Every biller listed at NPCI is listed at Paisabazaar.
Built the prepaid recharge platform covering Airtel, Vodafone Idea, Jio, BSNL, and more.
A closed-wallet platform that rewards customers for availing services at Paisabazaar — redeemable on bill payments and recharges.
Building a UPI (Unified Payments Interface) offering by connecting to NPCI APIs for our valuable customers.
Building a voucher customer journey to purchase vouchers and gifts for our valuable customers.
The platforms that keep Policybazaar fast, reliable, and compliant.
Built Policybazaar's digital payments from scratch — a team that became a vertical, and is now PB Pay, a payment aggregator company.
Built a central API ecosystem from scratch — customer, visitor, enquiry, documents, policy data for renewals — serving at P95 under 15 ms.
Highly scalable, reliable clusters on Community Edition ingesting 1.5 TB daily — saving ₹10+ crore every year.
Highly scalable, reliable Kafka clusters for asynchronous integration and streaming on Community Edition — serving 900 million messages a day and saving ₹5+ crore every year.
Built the RBI-regulated open-banking Account Aggregator platform under the PB Fintech umbrella — secure, fast, consent-driven financial data exchange.
Built India's first Digital Locker connected to ABDM (Ayushman Bharat Digital Mission) under the Ministry of Health.
Every few years, a new classroom — the systems, the strategy, and the leadership behind the engineering.
Engineering practices, AI/ML, data analytics, data warehousing, and data mining.
Technology Strategy Innovation Data Analytics Big Data Data Mining Data warehousingLearn from top mind and different aspect of alignment and growth mindset.
Leadership Management Business Strategy Growth Mindset LearningLearn technology strategy, growth mindset.
Technology Strategy Digital Transformation Innovation AI first Architecture Align with business strategy growth mindset 📸 Cohort gallery →Trophies, stages, and classrooms — pick a door.
DevOps Professional of the Year and Best Engineering Team of the Year — trophies, photos, and the stories behind them.
On Stage · 3 Events in 2026Panels at the DevOps Conclave, the Data & GenAI Summit, and Dine With DevOps — photos from the stage.
Always a StudentCampus immersion at the IIT Delhi CTO Programme — moments from the classroom, cohort, and felicitation.
Speaking, advisory, technical reviews, or just talking databases at scale — I'm happy to connect. You can also grab my full resume below.