Dec 2014 – Jan 2022 · 7 yrs 1 mo · Bengaluru Area, India

• Machine Learning Platform
• Building systems to solve end-to-end machine learning development lifecycle.
• Implemented Kubernetes operator based model deployments for online predictions on CPU/GPU, providing horizontally scalable endpoints.
• Developed distributed offline prediction system for running ML model against batch data sources.
• Developed components to handle model dependencies, managing model artifacts, versioning, training datasets, model health monitoring.
• Integrations with data systems for ML training jobs, interactive access through Jupyter notebooks.
• Evaluated Kubeflow pipelines for offline training jobs.
• Worked on following tech stacks in above projects:
• Kubernetes, conda, Apache Hadoop/Yarn, Spark, Jupyter Notebooks, Kubeflow
• Product-to-Product and Personalized Recommendations
• Developing and maintaining the user path serving layer which serves recommendations in product page and home page.
• Designed and Implemented, the data processing pipelines for Visually Similar product recommendations for catalog images and user uploaded images.
• Scaled recommendations serving layer (spring + jetty) to handle Big billion days scale - 100K Product Page Views per second and 100K home page views per second.
• Designed and built a continuously refreshed data index which serves personalised home page recommendations which led to 100% coverage and latencies of p95 less than 100ms.
• Initiated and setup build pipelines(maven,Jenkins), integrating code coverage tools(Jacoco).
• Worked extensively on following tech stacks in above projects: Java, Spring, Jetty, Dropwizard, Zookeeper, Apache Storm,Apache Kafka, ElasticSearch, Hive, Redis, Aerospike.

Mar 2012 – Dec 2014 · 2 yrs 9 mos

• Fusion Procurement Application
• Java,ADF BC, JSF, JAX-WS, Oracle SOA, PL/SQL
• Implemented web service operations for purchase order service using SOAP and Java
• Implemented Fault handling infrastructure for Purchasing approval SOA Composite
• Designed and developed the data model, ADF business components – Entity/View Objects, ADF Faces UI for projects - Inclusive tax pricing, Procurement document numbering,Buyer Managed Transportation
• Worked on customer bugs - understanding and fixing bugs reported in customer instance
• Analyzed performance profiles and heap dumps using JRockit and Eclipse memory analyzer tool
• Responsible for authoring Developer test cases, Technical design, Coding and Unit tests(JUnit)
• Performed Peer code review
• Built developer productivity tools

Jul 2010 – Feb 2012 · 1 yr 7 mos · Bengaluru Area, India

• Order Management Application(Front Office - Trading)
• WPF UI and C++ Server -
• Developed enhancement for setting preferences per user.
• Implemented Business Validations.
• Developed a testing framework to simulate server workflows.
• Trading portal for secondary instruments like Tax Credits
• ASP.Net MVC 3 Web Application - WCF Services.
• UI Development, Entity Framework setup, Service implementation for user onboarding modules.

May 2009 – Jul 2009 · 2 mos · Hyderabad Area, India

• Wintage Code review submission tool