Yash Jain

– Owned and scaled 4 Java/Spring Boot microservices supporting high-throughput production traffic with strict latency and reliability SLAs – Managed production infrastructure: Tomcat, WAR deployments, SQL DBs, logs and server memory analysis – Designed Kafka-based asynchronous pipelines for reliable event ingestion and log analytics, improving system resilience and data consistency – Acted as Elasticsearch & Kibana SME, improving observability, monitoring, and production diagnostics

– Contributed to the Search team, owning the end-to-end search experience for their primary e-commerce platform, handling very high QPS, and driving requirements, defect fixes, and UX improvements – Replaced large-scale web scraping (~ 20K requests/day) with optimized REST APIs enabling millisecond-level e-commerce product validation, reducing internal traffic and infra cost by ~95% – Integrated OpenAI APIs to generate RAG-based contextual summaries, improving user experience and engagement – Built a React-based Elasticsearch monitoring dashboard with real-time indexing insights and logs downloads, reducing MTTD by ~72% (Lean Practitioner Award) – Led zero-downtime modernization of Java, Spring Boot, and Elasticsearch services on AWS ECS – Supported HubSpot CRM M&A migrations with backend integrations in association with Salesforce teams – Drove a Unified Search POC (Elasticsearch + Coveo), evaluating feasibility, ROI, and UX impact

– Improved backend and Elasticsearch performance through relevance tuning, indexing optimization, and latency reduction using multithreading, AOP, and OOP, contributing to high CSAT scores – Led a Java–Spring Boot Norconex crawling pipeline to index large internal datasets into Elasticsearch, achieving 40% performance improvement and 99.16% cost reduction

• Implemented reCAPTCHA and enhanced security workflows across internal applications. • Built custom Confluence macros to improve content management and information flow. • Enhanced the internal quoting (invoices) module using Java, Spring Boot and MySQL.