Vallari Rastogi
Software Engineer
Summary
Detail-oriented, organized, and meticulous employee. Works at fast pace to meet tight deadlines. Enthusiastic team player ready to contribute to company success.
Overview
4
4
years of professional experience
2
2
Certifications
Work History
Software Engineer
Microsoft
1 2024 - Current
- Part of Fabric Live Table Team (Development Stage), whose work is to orchestrate Spark Jobs That support Materialized Views/Live Tables in a microservice architecture
- Handling, Debugging and Improving C# API implementation for spark Jobs Dag(s) generation & Execution, Dag Execution History for UI across and error handling.
- Adding complete UT coverage for the same
- Implementing Client interfaces to leverage other fabric services.
Software Engineer
Microsoft
06.2022 - 01.2024
- Responsible for developing, building, testing, debugging, deploying HA, fault-tolerant Flink Clusters on Kubernetes
- Played major role in 5+ Customer Onboarding, mostly that are to do with Flink SQL/formats, HA availability, Integration with other Azure offerings
- Integrated Flink SQL Service into existing systems, increasing AAD security capability and improving overall performance.
- Flink was integrated with HMS, Hive, and was made to support delta, Iceberg and Hudi Format
- Integrated SQL Gateway service that support third party client like Beeline.
- Actively engaged with OSS Issues on integration bugs
- Enabled common Platform Service Script Action for HILO clusters and was particularly useful for Flink class loading issues.
Cloud Data Engineer
Intel Technologies
08.2020 - 05.2022
- Developed rule-based predictive analysis of compute/memory requirements for a spark function (resource utilization metrics), and optimize, if possible, spark SQL queries by reducing exchange and sort exercises in physical plan
- Benchmarked AWS EMR spark flavor on Intel, AMD and Graviton using TPC-DS
- Improvement in spark SQL perf by 37% for 1 TB TPCDS run by tuning spark conf parameters
- Benchmarked Intel Gazelle spark Engine against TPC-DS
- Presented best practices from Spark cluster configuration, DW Storage Layout, spark config settings and physical plan POV at Intel Bootcamps to 100+ APJ Customers (single-handedly by me).
Technical Intern
Intel Technologies
- 05.2020
- Curated Intel OpenVINO applications, for Intel EII (Intel edge software)
- Enabled TCS Customers to build/deploy their Data Analytics models on EII and extending the scope of EII for Time-Series use case.
AI and Compute Performance Intern
Intel Technologies
- 12.2019
- Trained UNET Model for Tumor segmentation in 3D Brain MRI images using Distributed Deep Learning Framework Horovod on top of Open MPI / Intel MPI to reduce the training Time without compromising the accuracy of the model RESULT: Training time for each epoch reduced from 3 hours to 125 seconds with 82% dice-coefficient
- Optimized the NN model to minimize False-Positive/True-Negative cases by playing with loss function.
Education
Skills
AWS / Azure
Certification
Azure Fundamentals AZ900
Website
https://github.com/Rastogii, https://www.hackerrank.com/vallari_rastogi1
Hackathons
- Top 8 Finalist in Intel Python Hack Fury
- Top 10 finalist in Axis Bank AI Hackathons
Timeline
Software Engineer - Microsoft
06.2022 - 01.2024
Cloud Data Engineer - Intel Technologies
08.2020 - 05.2022
Software Engineer - Microsoft
1 2024 - Current
Technical Intern - Intel Technologies
- 05.2020
AI and Compute Performance Intern - Intel Technologies
- 12.2019
IIIT Bhubaneswar - ,
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