Aug 2020 – Sep 2022 · 2 yrs 1 mo · Pune, Maharashtra, India

May 2018 – Aug 2020 · 2 yrs 3 mos · Pune Area, India

• ( Acquihired DataTorrent )
• Engineering Manager/principal engineer- Big Data Platform
• Led product development for three IoT Commercial projects ( Veriot Tracker, MapCenter & EV charging Analytics ) accounting for significant revenue for orbcomm. This implementation was done using Spring Boot-based microservices, Apache Druid, Cassandra, and Apache Apex, Spark.
• Collaborated to build unified data platform architecture for all analytics products. It covers Real-Time/ Historical ingestion, archival, Real-Time transformations, Data Governance ( Schema Repository, Data-Lineage ), OLAP analytics using Apache Druid, etc.
• Developed multiple POCs for clients in Ad-Tech, Asset Management, and Energy sectors focusing on analytics and visualizations.
• Developed various real-time and static geospatial analytics features like geofence based notifications & analytics, real-time UI tracking
• Lead and contributed to a multi-tenant data visualization platform built on top of Apache Superset ( Extended D3, Highcharts etc)
• Developed monitoring, alerting, and observability infrastructure for data services and microservices.
• Managed various DevOps efforts for CI/CD, monitoring, reliability and security enforcement across all products.
• Managed a team of UI, QA, and Backend Engineers, and was responsible for setting up a 24/7 support team.
• Managed various managerial chores required to get the Pune office operational.

Oct 2016 – May 2018 · 1 yr 7 mos · Pune Area, India

• Architected and developed python capability for open source project Apache Apex to allow users to develop entirely and partially in Python. Later supported hybrid app development with Java and Python.
• Lead efforts with Orbcomm ( DataTorrent customer ) to take their IoT product for Child Saftey live to production ( https://www.veriot.com/). Architected and advised on how to implement this project using AWS and DataTorrent RTS Platform.
• Lead joint-efforts of development of real-time retail product recommendation using Apache Apex and Apache Spark.
• Delivered successful training of DataTorrent platform to Accenture, HCL, Mindstix, Orbcomm etc.
• Delivered talks and webinars about DataTorrent technologies at Apex BigData World 2017 and online.

Jul 2014 – Jul 2016 · 2 yrs · Pune Area, India

• Worked primarily on product called Cooliyo ( Social Commerce ) .
• Architected product to be scalable ,secured and more reliable on AWS stack( ec2,vpc, s3,cloudfront etc).
• Architected merchant panel feature capabilities like order processing and inventory management.
• Developed token based authentication system which is being currently used by mobile apps.
• Developed map-reduce jobs in python to generate facebook user recommendations using MRJob framwork.
• Implemented product's important features such as search, similar products and trending using Elasticsearch. Contributed to opensource elasticsearch python client https://github.com/aparo/pyes for MoreLikeThisQuery . Implemented synonym search for ecommerce products from Home, Fashion category
• Carried out payment gateway integration to ensure consumers can make payments on the platform.
• Responsible for breaking down projects into achievable weekly milestones & to ensure those are met .
• Carried out planning activities such as scrum planning, scrum meetings & backlog grooming.
• Developing testing and release management processes with QA team.
• Developed automated deployment using Ansible on AWS infrastructure
• Leading and mentoring team of UI, QA and mobile app engineers.

Jun 2012 – Jun 2014 · 2 yrs · Bengaluru Area, India

• Lead enhancement to News-feed feature which is implemented using HBase and Java ( Play Framework ).
• Architected, designed and implemented Node.js online chat for Vedantu along with History maintenance using HBase.
• Architected , developed and maintains storage system for huge number of documents of file formats like jpeg, pdf, docs, xls, ppt, tiff etc.
• Architected video processing/encoding pipeline as well video streaming backend implementation using AWS.
• Created automated testcase development suite to facilitate easy blackbox, white-box, regression testing which will be further enhanced to support performance testing . Framework is developed into node.js.
• Architected, designed and implemented Document Conversion pipeline for making document searchable and creating compound document using various file formats
• Work on various aspects at Vedantu like Server Administrations ensuring availability of the system, distributed system issues, searching platform using Elasticsearch & MongoDB.

Sep 2010 – Jun 2012 · 1 yr 9 mos · Palo Alto, CA

• Worked with Matlab for implementing prediction algorithms for next generation ads delivery framework.
• Co-ordinated, created AdLearn Open core algorithm automated test plan and carried out testing thoroughly.
• Worked on Hive based warehouse daily analysis by research teams.
• Worked on prototyping, designing and implementing low latency and high throughput data stores using Membase / Memcahed.Handled migrations as well deployment of new efficient data stores with Operations Team.
• Developed Task Generator framework / Task Scheduler for creating tasks for Task Queue.
• Experienced with Scrum and Agile methodologies under Test-driven strategy.
• Trained with Hadoop, Hive, Pig training session along with MapReduce programming from Cloudera.

Mar 2008 – Sep 2010 · 2 yrs 6 mos · San Mateo, CA · On-site

• BIRT iServer Enterprise is Actuate’s scalable, world-class server for generating, managing and securely delivering interactive, actionable business information to customers. BIRT iServer Enterprise can integrate information from any data source and application. It has distinguishing features like automated clustering, job scheduling & load balancing.
• Designed messaging framework using Google Protobuff for efficient and faster messages across JNI and C++. Modified Google Protocol Buffer code for AIX,HP-UX for company purpose.
• Worked & tested product with various virtualization technologies like VMWare, LPAR , zones for facilitating cloud based deployment. Worked on developing from standard configuration to deployment of these virtualized environments for in-house testing.
• Worked on development of WSDL/SOAP based Actuate IDAPI ( Information Delivery API ) framework to allow client application / server communications.
• Designed & developed monitoring for CPU counts and hardware changes to enforce licensing at runtime.
• Implemented Usage and Error logging utility to accumulate data for reporting, analysis and tracking.
• Improved runtime performance of module evaluating security credentials with LDAP server with thread pooling.

Jun 2006 – Dec 2007 · 1 yr 6 mos · Greater Los Angeles Area

• Worked on MSMS Software for VR Simulations of Neural Prostheses and Patient Training and
• Rehabilitation.
• Gained knowledge of body kinematics through MSMS -“musculoskeletal modeling simulation s/w".
• Programmed and designed tool to create & importing basic & 3rd party 3D shapes required for simulation.
• Worked with Java Heap Analysis & CPU profiler to evaluating memory leaks, thread debugging.
• Implemented wrapping algorithm for simulation muscle/ bone interaction.
• Developed UDP packet streaming environment between Simulink & MSMS, developed in C, & JAVA

Jan 2006 – Jan 2007 · 1 yr · Los Angeles, CA

Jan 2003 – Jan 2004 · 1 yr · Pune Area, India

• Worked in designing and implementing the project ‘Knowledge Management System’ in J2EE environment.
• Designed & implemented a Decision Support system for users.
• Implemented system for HR department of the KPIT Cummins & for employees for travel related knowledge .
• Developed basic semantic search for above modules using Wordnet ontology.