Poornendu Pabbati

Role: Full Stack Developer at Walmart
Location: Boston, MA, US
LinkedIn followers: 500 followers

Information TechnologyView LinkedIn profile

Experience

Full Stack Developer
Walmart
Feb 2024 — Present
Leveraged Redis for distributed caching and real-time rate limiting (10K RPM/client scaled via Redis clusters) in a microservices environment, improving API response time by 40% and reducing backend DB load by 35% through strategic token/session caching and optimized data access patterns.• Designed API Gateway with Spring Cloud Gateway to centralize authentication and traffic control, integrating OAuth2 and JWT for secure access, reducing average response time by 25% due to token validation at the edge.• Implemented end-to-end performance monitoring using Micrometer, Prometheus, Grafana, and ELK, enabling real-time visibility into API latency, error rates, and rate-limiting metrics; identified and resolved bottlenecks across gateway and microservices.• Integrated Apache Kafka for asynchronous, event-driven communication across microservices, decoupled non-critical workflows (logging, notifications), implemented dead-letter queues for durable failure recovery, and ensured at-least-once delivery via offset tracking.• Orchestrated CI/CD pipelines with Jenkins and Docker, cutting deployment times in half, increasing deployment frequency by 40%, and minimizing environment-related issues by 30%.

Education

Johnson Grammar School ICSE & IB
Middle School Diploma
JNTUH College of Engineering Hyderabad
Bachelor of Technology - BTech

Contact information

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Current company

Razorpay

4K employees · Bangalore, Karnataka, India

Power your finance, grow your business. Razorpay is India’s first full-stack financial solutions company. We are on a mission to enhance the payment experience of over 300 million end consumers. And in doing so, we aim to enable Indian businesses - big and small - accept payments digitally with minimal effort and maximum ease. Razorpay has grown from being a payment gateway provider to a solutions-driven organization boasting of an extensive products suite to accept and disburse payments as well as raise capital and park money. In a nutshell, we fit into every nook and corner where your business touches money. #OutgrowOrdinary We identify ourselves as disruptors in the digital payments space and our vision is to power the financial ecosystem for other disruptors. Like attracts like and Razorpay actively looks to partner with established companies and startups that have either broken the glass ceiling in their industry or are set to. The Razorpay Product Suite today comprises verticals, along with Payment Gateway, like Payment Links, Payment Pages, Subscriptions, Smart Collect, Route, Razorpay Capital, RazorpayX, Payroll and Thirdwatch. Razorpay was started in 2014 by two IIT Roorkee alumni, Harshil Mathur and Shashank Kumar. Just a short few years later, Razorpay has evolved into a 800-odd strong organization with some of the best talents in the country helping some of the best companies manage their money movement seamlessly. Certified cool We are a bunch of spirited, ambitious and fun folks. And no, we’re not saying this ourselves--leading institutions have recognized Razorpay for the high trust and high-performance culture that we maintain. Our strength lies in the people we are and we go to great lengths to nurture a family of coders, designers, sellers, marketers, analysts, writers, runners, photographers, gamers, tinkerers, and above all, people who are dreamers and doers at the same time. Be a part of our exciting journey.

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Experience

Full Stack Developer

Education

Johnson Grammar School ICSE & IB

JNTUH College of Engineering Hyderabad

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