Rahul Harlalka
SDE 2 at Flipkart | Ex-Goldman Sachs | Backend Engineer
Bengaluru
6+ years of work experience
Mar 20251 yr 6 mosPresent
Bengaluru
1. Led the cross-functional Adaptive Homepage initiative at Flipkart, building a real-time personalization platform that processed 2B+ user engagement events daily across 200M+ users. Engineered Kafka-based data pipelines and Aerospike-backed profile storage to power personalized homepage content with sub-millisecond serving latency.
2. Designed and implemented an end-to-end hermetic regression testing framework for core microservices, increasing integration test coverage from 45% to 78%, reducing production defects by 20%, and preventing critical customer-facing incidents.
3. Enhanced the L1 Navigation Widget with ML-driven personalization engine to recommend banners based on user affinity signals, resulting in 9% uplift in user engagement and improved click-through rates across 25M+ daily active users.
4. Architected distributed inventory orchestration for Flipkart Minutes, enabling multi-dark-store fulfillment and real-time inventory allocation across warehouses. Reduced stock-outs by 18% and contributed to 13% GMV growth.
5. Owned platform readiness for Big Billion Days, leading 15+ NFR initiatives across load testing, stress testing, resiliency validation, and capacity planning. Delivered 100% service availability at 100K+ RPS peak load with zero critical incidents serving 25M+ concurrent users.
Jul 20222 yrs 7 mosJan 2025
Bengaluru, Karnataka, India
• Driving the team’s cloud engineering strategy. Actively engaged in building cloud-native applications.
• Automated Booking processes by developing a firm-wide web/mobile Reservation Management tool, saving 500 man-hours daily and ensuring seamless digital tracking of reservations.
• Created an internal FullStack application with 99.9% SLA, enabling security to track the evacuation of individuals with disabilities during crises, saving 20,000 man-hours.
• Optimized all batch job APIs using Spring JPA, enhancing system responsiveness and achieving a 30x reduction in latency from 2 seconds to 23 ms.
• Implemented a FluentBit logging system with Kubernetes Sidecars across entire portfolio, reducing log retrieval time by 40% enhancing system performance, increasing developer efficiency, and reducing downtime by 30%.
• Procured RHEL 7 Linux hosts and Netscaler load balancers via an internal IAC platform, improving deployment speed by 40% and enhancing infrastructure efficiency.
Jan 20227 mosJul 2022
Bangalore Urban, Karnataka, India
• Developed 24 SPAs using ReactJS for an internal Access Management platform UI, reducing manual effort by 45,000 man-hours annually and streamlining office entry processes.
• Increased Unit test coverage of UI screens from 42% to 53% using React Testing Library, improving code reliability.
Aug 20214 mosNov 2021
Work From Home
• Developed the blockchain backend on Zilliqa network to facilitate staking/unstaking money process.
• Developed a internal lottery system enabling users to play lottery on the interest earned on staked money.
Jun 20212 mosJul 2021
Bangalore Urban, Karnataka, India
• Engineered a ReactJS-based dashboard to streamline speaker lookup for GS events, saving approximately 100,000 hours of manual effort annually and improving operational efficiency.
• Streamlined speaker onboarding with a new form, reducing the dependency of 4 teams and enhancing event preparation efficiency.
Sep 20191 yr 8 mosApr 2021
bit mesra
Rahul’s AI Stack
Education
Bachelor of Technology - BTech, Information Technology
Birla Institute of Technology, Mesra
20184 yrs2022
10 metriculation
St. Xavier's School Ranchi
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