Komal Kumari

Backend Engineer with 1.5+ years of experience at Flipkart building scalable distributed systems and high-throughput microservices using Java, Spring Boot, Kafka, ClickHouse, SQL, Elasticsearch, and HBase. Strong problem-solving skills with 650+ LeetCode problems solved; experienced in performance optimization, distributed systems, asynchronous processing, CI/CD, and P0 incident resolution.

Software Development Engineer - 1 - FLIPKART - Bangalore

(2024-09 - 2026-04)

• Engineered high-throughput backend services using Java, Spring Boot, Kafka, ClickHouse, SQL/Hibernate, and microservices to support large-scale advertising workloads.
• Delivered Keyword Planner and Rule-Based Budget Increment end-to-end, from requirement gathering and system design to UAT and production deployment, impacting 2 lakh brands and sellers.
• Improved API performance by diagnosing Elasticsearch latency bottlenecks, reducing response times from 50+ seconds to 1–5 seconds and maintaining reliability during peak events including Big Billion Days.
• Improved engineering quality via unit (JUnit), integration, E2E, and NFR/load testing; conducted code reviews and supported onboarding of new team members, strengthening team-wide quality standards.
• Built asynchronous processing flows using CompletableFuture and Kafka-based event pipelines; contributed to low-latency, fault-tolerant APIs and distributed data processing.
• Owned production reliability through P0 incident resolution, RCA, CI/CD pipelines, HBase TTL, E2E/load testing, and migration of production jobs to Debian 12.

Backend Developer Intern - SMARTU - Gurugram

(2023-04 - 2024-07)

Tech Stack: Python, MongoDB, RESTful API, WATI

• Developed a real-time WhatsApp chatbot using Flask, integrating image processing for crop disease detection.
• Implemented multilingual support for 3 languages English, Hindi and Marathi, conducted rigorous testing, achieving a 20% reduction in query processing time and improving chatbot reliability by 15%.
• Enhanced user-experience by integrating voice messaging features, enabling farmers to submit queries.

Bachelor of Technology - Computer Science - Graphic Era Hill University (2024-06)