Shekhar Kumar

About Shekhar Kumar

Results-driven Java Software Engineer with 3 years of experience in designing…

Experience

1. Sde-1 (Consultant)

   Genpact

   Sep 2022 — Present · Noida, IN

   At Genpact, I drive end-to-end data solutions that power decision-making, automation, and digital transformation across teams: Engineered a high-performance Rate Engine Microservice using Java Spring Boot, REST APIs, andMySQL, enabling dynamic delivery price calculations based on volumetric/ actual weight. Reduced response times by 50% through parallel API calls, and database indexing, increasing profit margins by 15%. Developed and optimized a Search Service Microservice for e-commerce platforms using Spring Boot, Elasticsearch, and Kafka, supporting multilingual and multicountry search with real-time suggestions and autocompletion. Achieved 400+ requests/sec with 20 ms latency, improving search relevance by 25% and increasing conversions by 12%. Designed and implemented scalable ETL data pipelines integrated with backend systems using AzureSQL, PySpark, and Spring Boot, automating data ingestion and transformation. Reduced manual effort by 60% and maintained 99.4% uptime for streaming and transactional workloads. Integrated machine learning models built with TensorFlow, PyTorch, and Scikit-learn into backendAPIs, enabling real-time insights and recommendations. Improved model accuracy by 20% through feature engineering, hyperparameter tuning, and data preprocessing. Migrated enterprise data systems from Azure DB to Oracle DB for Microsoft Fabric, implementing CI/CD pipelines (Jenkins, Git) and data governance automation, achieving 98% efficiency improvement and enhancing performance and scalability across cloud environments (AWS, Azure).