Nov 2020 – Jul 2022 · 1 yr 8 mos · Delhi, India / Toronto, Canada · Hybrid

• As an engineering leader at Vyng, I collaborated closely with the product team to define strategic roadmaps and spearheaded the development of innovative features, all while optimizing operational efficiency:
• => Built and led a high-performing team to deliver impactful solutions, including Video Caller ID, spam detection systems, caller ID database, contextual calls, and a gamified dialer with rewards.
• => Architected and deployed scalable, cost-effective infrastructure across multiple cloud platforms, enhancing both performance and efficiency.
• => Streamlined backend operations with robust, scalable systems and comprehensive monitoring, leveraging best-in-class DevOps practices and CI/CD pipelines for seamless delivery.
• => Integrated client and server data through automated pipelines, building BI dashboards, updating application databases, and enabling data-driven services to enhance intelligence and decision-making.
• Technologies: Javascript/NodeJS, ReactJS, Java, FFMpeg, MongoDB, Redis, BigQuery, BigTable, Google Pub/Sub, Git, App Engines, Docker, Jenkins, Kubernetes, Jetty, Statsd/Graphite, Grafana etc.

Jun 2016 – Oct 2020 · 4 yrs 4 mos · Greater Delhi Area

• Messaging and Data Infrastructure
• => Managing data platforms in all areas including design, development, productionising, monitoring, evangelizing.
• => Built all data pipelines, aggregation framework, data collection services, visualization tools, anomaly detection framework, metric alert systems, NLP based analytics tool, all the data driven services etc.
• => Architected and developed various messaging infrastructure services like offline message store, chat backup store, media management services, KafkaToBQ service, Push Notification service, anonymous chat, cloud migration etc.
• => Team management, roadmap building, hiring, mentoring, tech blog publishing, technology evangelization etc.
• => All production deployment, monitoring, cost optimizations and maintenance etc.
• => GCP/AWS cloud infrastructure management including setup, provisioning, monitoring, alerting, CI/CD pipelines using various Cloud Devops tools ( Git, Docker, Jenkins, Statsd, Graphite, Grafana, Kubernetes, Airflow , Chef etc. )
• Technologies: GCP/AWS, BigQuery, BigTable, HBase, Mysql, Mongo, App-Engines, Docker, Thrift, Grpc, Redis, RedisQueue, Kafka, Zookeeper, JMS, Netty, Jetty, Werkzeug, Flask, Nginx, Tableau, Hadoop/Hive/Mapreduce, Airflow, Java, Python, Shell, NodeJS, Nagios, Statsd/Graphite, Grafana, Gradle, Git, Jenkins, Kubernetes etc.

Jul 2015 – Jun 2016 · 11 mos · Gurugram, Haryana, India

• => Built and Managed end to end Hadoop based Analytics Platform
• => Daily OLAP processing using Pig Latin, HiveQL and Mapreduce
• => Financial reconciliation services for Sellers, Mobikwik and Zaakpay ( payment gateway )
• => Integration of multiple data pipelines(Mysql , CouchDB and CSV based data ) into Hadoop System
• => Marketing/Campaign Analysis Tool
• => Daily KPIs and various dashboards using Tableau based on Hive
• => Retention Analysis, Cohorts, Projections, RFM/CLTV models
• => Monthly wallet statements, daily emails and alerts
• => Team building, Mentoring and Hiring
• Technologies : Java, Mysql, Mongodb, Shell Scripts, Pig Latin , HiveQL, MapReduce, Hadoop, Sqoop, Tableau etc

Dec 2012 – Jul 2015 · 2 yrs 7 mos · Gurugram, Haryana, India

• => Built complete realtime click analytics system based on JMS Hornetq. Integration to redirectional servers. Developed consumer application for aggregation. JSP based front end for UI.
• => Developed AirtelLive portal redirection server
• => Analytics Integration of all the Front End servers of AirtelLive developed in India.
• => Worked with Yahoo! Japan team for Cloudera based AirtelLive analytics system. This analytics system was built using Cloudera Map-reduce and Mysql along PHP.
• => Built new analytics platform based on Hortonworks distribution. It is Yarn enabled platform which leverage Hive and Map Reduce technologies. UI is integrated to Tableau.
• => Built in-house Hive Query Tool based on WebHDFS and WebHCat APIs. It includes all the basis functionalities like browse MetaStore, AddUser, Execute Hive Query, Save Query, View Query Status, View Results in tables, Download result Files, Kill running queries, Check Cluster usage etc.
• => Reporting and mailer framework for analytics summaries and reports.
• => Log Integration to Google Big Query analytics Tool
• => Involved in Wynk music analytics and Content partner reportings
• => All production deployment, monitoring and maintenance
• => Involved in Team building, Hiring, Mentoring
• Technologies: Java, Mysql, MongoDB, Tomcat, Servlets, JSPs, PHP, Shell Scripting, Hadoop, Hdfs, Hive, Map Reduce, Hortonworks, Cloudera, WebHcat, WebHdfs, HortonQ, Amazon S3, Redis, Spring MVC, Tableau Server, Google Big Query etc

Jan 2011 – Dec 2012 · 1 yr 11 mos · Greater Delhi Area

• => Developed a Realtime Analytics System(Backed Summary Platform, APIs and Front end Dashboards) for Incoming and outgoing SMS traffic based on CEP (Complex Event Processing) and Facebook Scribe.
• => Built a Alert/Notification System for anomalies in the analytics trends.
• => Deployment and production systems handling
• Technologies: Facebook Scribe, Java, JMX, Mysql, MongoDB, Esper Framework, Tomcat, Servlets, JSPs, PHP, Memcached, Shell Scripting.

Jul 2008 – Jan 2011 · 2 yrs 6 mos · Bangalore/Noida

• => Was involved in the development of EMS(Element Management System) and Performance Manager for Network Elements.
• => Developed various features spreading across Fault Management, Configuration Management, Performance Management, Accounting and Security.
• Technologies: SDH/SONET, Java, JMX, Corba, RMI, Swing, Mysql, Shell Scripting, CVS, Tomcat, Servlets, JSP, SNMP. TL1 format, Jasper Reports etc