Saurabh Chhajed Email and Phone Number
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- Seasoned Big Data Analytics and Machine Learning Engineer with 10+ years of expertise in developing and leading teams to build cloud-based and on-premise big data platforms and ML solutions, specializing in distributed processing on AWS and other cloud platforms.• Good knowledge of application development in the Big Data Ecosystem (Hadoop, MapReduce, Spark, Hive, Trino, Airflow), etc. and efficient processing of large-scale data.. Experience in CatBoost, XgBoost and Collaborative Filtering techniques.• Hands-on experience in developing web and data processing applications in Java, Scala, and Python.• Good knowledge on the end to end machine learning model training, optimization, and deployments, both offline and online. • Experience working in Test Driven, Scrum and Agile based and Continuous Integration development methodologies.• Good knowledge of Computer Algorithms and Data Structures and various Data processing frameworks and design patterns.
Salesforce
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Lead Bigdata And Ml EngineerSalesforce Jun 2022 - PresentHyderabad, Telangana, India- Big Data Security and Compliance [Scanners at Scale]- Tokenization and Token Stores- Petabyte scale Data Lake Ingestion [Iceberg]- Airflow and Operators- Monitoring and Alerting [Grafana]- Spark Tuning and Optimizations
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Sr. Software Engineer - Big Data/MlAmerican Express Dec 2014 - Jun 2022Phoenix, Arizona, United States* End to End Machine Learning Pipeline for Merchant Personalization Recommender Platform for various Marketing channels - Email, Dashboard and a Map(https://maps.americanexpress.com/)* Developed a supervised merchant recommender ML model for Amex Marketing channels, based on an ensemble of Catboost, Collaborative filtering, and Word2Vec models using Spark Core and Spark ML in Python and Scala operating on TBs of data.• Architected and developed end to end data models and machine learning pipeline including – feature extractions, model training, hyperparameter tuning, and deployment of online model serving at scale.* Implemented distributed grid-search for hyperparameter optimization for Catboost utilizing multiple executors on Spark cluster, thereby reducing processing by 40%.* Collaborated with Product Managers, Data Scientists, and Marketing managers on various product features and ML solutions.* Implemented Model and Feature Monitoring Solution for feature/model deviations in each training/scoring iteration.* Fine Tuned and Optimized various Spark and Hive jobs and improved the runtime of the process by 50% in most cases.* Implemented Java-based microservices to generate real-time inference for the models and serve recommendations on the go. -
Sr. Application Developer ( Chase Wealth Management)Chase Aug 2012 - Dec 2014Mumbai Area, India• Implemented an end to end real time Search and Analytics platform , in form of a centralized Logging solution for the application using ELK stack (Elastic Search, LogStash ,Kibana) and Redis.• Designed and implemented the real time order updates of the client and advisor initiated trading activity on the highly scalable and fault tolerant Java based distributed platform. The platform uses an in memory distributed data fabric (Pivotal Gemfire) for fast order storage and on demand order status retrieval coupled with a web-socket gateway to send order updates to the UI.• Designed and Implemented a dashboard capturing various project and code quality metrics for the organization using Spring Boot, MongoDB and Restful APIs, jQuery, Bootstrap. • Evangelized the usage of various Code quality improvement and tracking Tools like Sonar, SecureAssist , Jira , Fisheye Crucible across the development environment.• Exposure to Multithreading and Java performance tuning methodologies involving GC algorithms and tuning.• Coordinated with product managers, and other development team members to translate loose requirements to completed stories and implement using Agile methodology. -
Sr. Application Developer(Tcs)Ge Jan 2010 - Jul 2012Mumbai Area, IndiaGE Forms• Redesigned a 1MM+ line ASP, IIS-based application into an OSGI Java/Spring framework web services model.• Worked on design, development and documentation of JSON/XML based RESTful APIs for GE Forms, exposed to multiple clients.• Achieved performance improvements in various APIs and Database procedures by eliminating certain bottlenecks in the application.• Evangelized standard development processes and acted as a technical mentor across the projects.• Worked in Onsite-Offshore delivery model with development teams and customers distributed across geographies.GE Workflows• Redesigned and implemented a critical business functionality from ASP to Java , which simplified and reduced business process execution time by 50% , resulted in $30,000 savings for the organization.• Successfully managed and implemented the application wide database driver upgrade from MS-ODBC to ORAOLEDB.• Worked on query optimization and writing stored procedures , functions in Oracle PL/SQL. -
Assistant Systems Engineer -TraineeTata Consultancy Services Nov 2009 - Jan 2010GandhinagarInitial learning Program (ILP) , one of the most renowned training program consisting of excellent blend of like skills as well as technical skills.- Star of the Learner's group among 200+ trainees where peer group was quite competitive.
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Frequently Asked Questions about Saurabh Chhajed
What company does Saurabh Chhajed work for?
Saurabh Chhajed works for Salesforce
What is Saurabh Chhajed's role at the current company?
Saurabh Chhajed's current role is Data Engineering | Machine Learning | BigData | Data Platforms | Cloud at Salesforce.
What is Saurabh Chhajed's email address?
Saurabh Chhajed's email address is sc****@****o.co.in
What is Saurabh Chhajed's direct phone number?
Saurabh Chhajed's direct phone number is (408) 213*****
What schools did Saurabh Chhajed attend?
Saurabh Chhajed attended Institute Of Engineering & Technology Davv, Indore.
What skills is Saurabh Chhajed known for?
Saurabh Chhajed has skills like Tomcat, Oracle, Pl/sql, Spring, Jsp, Web Services, Rest, Xml, Agile Methodologies, Servlets, Scrum, Jquery.
Who are Saurabh Chhajed's colleagues?
Saurabh Chhajed's colleagues are Jonathan Inman, Kathleen Whittington, Lori Freeman, Frank Chain, Temitope Adekoya, Tyson Read, Becky Webster.
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