---
title: "Suryansh Tiwari - Developer ll in Pune City | Tal"
description: "Meet Suryansh Tiwari, Big Data Developer @ TransUnion | Apache Spark, Python, SQL, DSA, ETL, Big Data based in Pune City. AI stack includes claude code."
image: "https://tal.club/meet/suryansh-tiwari/share-image"
---

# Suryansh Tiwari on Tal

## Headline

Big Data Developer @ TransUnion \| Apache Spark, Python, SQL, DSA, ETL, Big Data

## About

Big Data Developer with over 7 years of experience in architecting and developing end\-to\-end data pipelines and applications\. Skilled in the Hadoop ecosystem, PySpark, SQL, Python, and Google Cloud services \(GCS, DataProc, BigQuery\)\. Currently driving data innovation at TransUnion on the TLOxp/TruLookup product\. Passionate about expanding into Machine Learning and Gen\-AI, as demonstrated by my recent projects building a 90%\+ accurate NLP Gender Prediction Model and developing a comprehensive web\-based PDF Utility suite\. Adept at turning complex data problems into optimized, scalable solutions\.

## Location

Pune City

## AI stack

claude code

## Work experience

Developer ll at TransUnion, May 2022 \- Present · 4 yrs 4 mos, Pune District, Maharashtra, India

Big Data Developer at TransUnion, May 2021 \- Present · 5 yrs 4 mos, Data Pipeline Architecture: Design, develop, test, and implement new ETL pipelines for aggregating non\-financial consumer profile data from multiple domains into the TLOxp product using Bolt \(a Spark\-like C\+\+ processing engine\)\. Cloud Migration \(GCP\): Spearheading the migration of archival and vendor data from on\-premise load boxes to Google Cloud Storage \(GCS\) using gcloud storage, enabling cost\-effective scaling and seamless analytics access\. PySpark Optimization \(TU CIBIL Project\): Led a massive SQL to PySpark migration project for processing workflows, resulting in a 50% performance improvement in data analytics capabilities\. System Modernization: Upgrading proprietary data processing codes on the OneTrue CDP mounted on top of GCP DataProc\. Monitoring & KPI Development: Built custom robust applications utilizing Pandas, NumPy, XlsxWriter, and MariaDB to continuously monitor KPIs for large datasets generated by TLOxp\. Performed qualitative analysis on new data sources to guide stakeholder implementations\. Production Support: Providing reliable L2 support, troubleshooting pipelines, and deploying immediate fixes ensuring minimum downtime\.

Developer l at TransUnion, May 2021 \- May 2022 · 1 yr 1 mo, Pune Division, Maharashtra, India

Senior Software Engineer at Charles Schwab, Jan 2019 \- May 2021 · 2 yrs 5 mos, Pune Division, Maharashtra, India, Fulltime with Wipro

Big Data Developer at Wipro, Oct 2018 \- May 2021 · 2 yrs 8 mos, Log Processing Pipelines: Created and maintained batch processing jobs to extract, cleanse, and transform large\-scale Splunk log data using PySpark before loading it optimally into Teradata\. Data Lake Ingestion: Developed custom Big Data applications to ingest raw data from disparate heterogeneous sources, loading into Apache Hive using Spark DataFrames and RDDs\. Performance Tuning: Actively troubleshot and optimized existing Spark and Hive data pipelines to remove bottlenecks and improve SLA compliance\. Tech Stack: Teradata, Apache Hive, Spark\-SQL\.

Project Engineer at Wipro, Oct 2018 \- Jan 2019 · 4 mos, India

## Education

Bachelor of Engineering, Mechanical Engineering, Visvesvaraya Technological University

[View the original profile](https://tal.club/meet/suryansh-tiwari)

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