Sanskar Modi

Software Engineer

Bangalore, Karnataka, India8 yrs 3 mos experience

Highly Stable

Key Highlights

Led development of Uber's Spark Remote Shuffle Service.
Enhanced performance of Qubole Spark with innovative optimizations.
Developed tools for high frequency trading and risk management.

Stackforce AI infers this person is a Backend-focused Software Engineer with expertise in SaaS and Fintech industries.

Contact

sanskarmodi97@gmail.com LinkedIn

Skills

Core Skills

SparkCloud ComputingReliability EngineeringPerformance OptimizationError HandlingC++High Frequency TradingWeb DevelopmentPerformance Metrics

Other Skills

API DevelopmentAlgorithmsAndroidAngularJSBloomFilterCCSSCloud StackData ScienceData StructuresDatabase OptimizationDjangoFeature Release ManagementGitGulp.js

Experience

Uber

3 roles

Staff Software Engineer

Promoted

Sep 2025 – Present · 6 mos

Leading Spark Shuffle Infra At Uber

Senior Software Engineer

Mar 2023 – Sep 2025 · 2 yrs 6 mos

Member of Uber Spark Team
Leading the development of Uber's in-house Spark Remote Shuffle Service (known as Zeus)
Developed critical features for RSS like AQE supported shuffle partitions, improved file format for storing shuffle data, circuit breakers and optimized IO for servers.
Led the cloud stack bring-up and performance benchmarking for Spark components like IO, shuffle and user jobs.

Software Engineer II

Dec 2020 – Mar 2023 · 2 yrs 3 mos

Member of Uber Spark Team
Developed multiple features and optimizations to improve the overall usability, reliability and performance of Spark ecosystem.
Worked on improving Uber remote shuffle service reliability by adding active circuit breaker checks and fallbacks.
Created Feature Release Management framework for Spark ecosystem to do fail-safe incremental rollouts of new features and spark binary rollouts.

The apache software foundation

Apache Celeborn Commiter

Dec 2024 – Present · 1 yr 3 mos

List of PR – https://github.com/apache/celeborn/pulls?q=is%3Apr+author%3As0nskar

Qubole

2 roles

Member Of Technical Staff 2

May 2020 – Dec 2020 · 7 mos

Member of Qubole Spark Team
Worked on enhancing Qubole Spark Performance by analyzing bottlenecks and adding new optimizations improve Spark Execution plan for TP-CDS database. One of the major optimization was using BloomFilter to optimize Sort Merge join performance for large tables.
Support for HIPPA compliance in Qubole Spark.

Member Of Technical Staff

Aug 2019 – Apr 2020 · 8 mos

Member of Qubole Spark Team
Worked on developing Error Sink, A tool to detect and remove malicious records from Spark Streaming Pipelines and reprocess them again in an easeful way.
Worked on Qubole Spark PoC for a customer.

Acceletrade

3 roles

Member Of Technical Staff

Jun 2018 – Aug 2019 · 1 yr 2 mos · Bengaluru Area, India

Worked on developing and optimizing low latency strategy infra and high frequency trading platform for CME/NSE Exchanges in C++
Developed a real world exchange simulator with support for multiple order matching algorithms and derivatives like future, options and spreads.
Implemented order execution algorithms specially engineered for futures and treasury markets.

Winter Intern

Dec 2017 – Dec 2017 · 0 mo · Bengaluru Area, India

- Developed UI and API's for Trading Work Station (web application) used by all the traders for easier risk and position management in live and simulation environment.

Summer Intern

May 2017 – Jul 2017 · 2 mos · Bengaluru Area, India

Developed a low overhead, thread safe, performance metrics profiling tool for measuring High Frequency Trading platform performance in C++.
Implemented service to get round trip time of a network packet from platform to exchange for real world trading strategy simulation simulation.
Developed scripts for data wrangling and easier strategy config management.
Updated company website with improved load time and responsiveness.

Quriosity'16 & 15

Full Stack Developer & Coordinator

Aug 2016 – Sep 2016 · 1 mo · Varanasi Area, India

Developed web application for conducting online quiz event for 5000+ participants.
Used caching and optimised database queries to handle request load.

Technex, iit (bhu) varanasi

Member of Tech Team

Aug 2015 – Mar 2016 · 7 mos · Varanasi Area, India

Developed backend and frontend of web application used for user and event registration.
Integrated payment gateway and wrote scripts for user data generation and analysis.
Automated Id generation and QR code check at registration help desk for 5000+ participants.