About
Results-driven Software Engineer with 8+ years of experience in backend development, cloud infrastructure, and large-scale distributed systems. Proven track record of building resilient, high-performance platforms using Java (17/21), Spring Boot, and cloud-native architectures on AWS and GCP. Successfully scaled platforms like ZEE5 OTT to support 10M+ concurrent users, and led critical backend modules (catalog, inventory, shipment, virtual marketplace) for Birla Pivot, a full-fledged e-commerce ecosystem. Deep expertise in system design (HLD/LLD), microservices, and event-driven architectures, with hands-on experience in Kafka, Pub/Sub, SNS/SQS, MongoDB, ScyllaDB, Cassandra, MySQL, PostgreSQL, and Apache Solr (fuzzy search, custom indexing). Demonstrated ability to optimize performance, reduce latency, and build scalable search and data pipelines for real-time applications. Strong collaborator and technical leader with frontend integration experience using React.js, and proficiency in full-cycle product development, DevOps practices, and agile workflows. Adept at applying design patterns, mentoring engineers, and delivering secure, maintainable software at scale in dynamic, high- impact environments.
Work
Summary
Your one-stop destination for video content exploration, messaging, virtual marketplace, video meetings, and editing.
Highlights
Developed a notification engine to handle push notifications, SMS, email, and WhatsApp via Twilio API.
Implemented search engine for video library using solr and SSO login using firebase react js module.
Added worldmap canvas js plugin to display presence using react js.
Implemented traceability and observability in microservices using Micrometer.
Summary
Leading B2B e-commerce platform with one-stop material procurement & integrated financing - Steel to Tiles to Polymers!
Highlights
Developed a B2B eCommerce data pipeline with Kafka Streams, achieving 24k events/sec.
Reduced Power BI report load time from 30s to <1s via query optimization and data partitioning.
Migrated services from Java 11 to Java 21, implementing best security practices.
Summary
ZEE5 is one of the leading online streaming Over The Top (OTT) platform with 90+ live TV channels & 1.25 lac+ hours of viewing across multiple languages
Highlights
Designed a watch history API optimizing content recommendation latency to 10ms.
Built a contextual recommendation system for TV shows, movies, and web series (100k TPS).
Developed a custom Bloom filter to reduce database/Redis misses by 10k hits/day.
Summary
Indian online education platform offering live, interactive classes for students from kindergarten to grade 12, including courses for competitive exams like IIT-JEE and NEET
Highlights
Integrated Wohhoo API for Amazon voucher-based referral system.
Developed a lead distribution system using a rule engine for CRM.
Summary
Conversation intelligence platform that understands and empowers conversations to drive positive business outcomes
Highlights
Designed Gen 2 VIA (AI-driven Virtual Interaction Analyst) with RabbitMQ for scalable audio processing.
Implemented a multi-tenant database system for different organizational audio processing.
Summary
Nomura Research Institute Financial Technologies India Pvt. Ltd is a wholly owned subsidiary of Nomura Research Institute (NRI). Along with rich domain expertise in Financial Services and particularly in Capital Markets, we have gathered considerable experience in deployment of financial solutions and significant man-years experience of manual software testing and test automation.
Highlights
Developed automation tools for build-release activities using ActiveMQ, Apache Camel.
Managed stock house transaction settlement with a distributed messaging system.
Summary
Cerner Corporation, now part of Oracle Health, is a healthcare information technology company.
Highlights
Developed an interoperability product for transforming XML to JSON in healthcare applications.
Integrated Redis caching to streamline Spring Boot APIs for high performance.
Summary
Transform to Cloud Computing – Get a comprehensive portfolio of cloud based products and services.
Highlights
Built a visual workflow engine UI using React and JointJS.
Implemented Stripe payment gateway for an online jewelry store, utilizing Google App Engine.
Odex Software
Summary
Builder ERP payroll system for tea garden workers with EJB, tomcat, JSP, servlet, html css
Education
Calcutta Institute of Technology, Howrah
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B.Tech
Computer Science & Engineering
Certificates
J2SE 7 Certified Java Developer
Skills
Programming Languages
Java 8+, Spring Boot, JavaScript, React.js 17, SQL, NoSQL.
Cloud Platforms
AWS (EC2, CloudFront, S3, RDS, Route 53), GCP (GAE, Cloud SQL, Pub/Sub).
DevOps & CI/CD
Jenkins, Docker, Logstash, Git.
Databases
Google Datastore, MongoDB, MySQL, PostgreSQL, Redis.
Testing Frameworks
JUnit, Mockito, Jest & Enzyme.
Tools & Methodologies
Agile, JIRA, Kafka, RabbitMQ, Apache Camel.
Interests
Open Source Contributor
GitHub, Stack Overflow.