Sunnyvale, CA · Open to Opportunities

AKSHAY JAGTAP

Senior Software Engineer building large-scale data infrastructure and cloud-native systems. Currently driving AdTech measurement at Walmart Global Tech. Previously at AWS, NetApp, and Persistent Systems.

Monthly Cost Saved
Billing Rows Managed
Years of Experience
ML Model Accuracy
01

Work

Walmart Global Tech
Senior Software Engineer
Sunnyvale, CA
Nov 2021 — Present
  • Own and manage the Customer Interactions dataset — a large-scale batch ETL pipeline built with Spark, Scala, Hadoop, and Airflow, delivering insights on customer impressions and purchase patterns
  • Led source migration for the Interactions pipeline — saving $100K/month in compute costs
  • Leading customer identification and linking across household IDs, mobile ads, and cookies using third-party data to enhance traceability
  • Migrated ETL pipelines from GCS Dataproc to auto-scalable Serverless Spark Batches15% cost reduction
  • Integrated Walmart Bakery orders from SQL, Hive, BigQuery into customer identity graph to enrich PII data
  • Migrated big data pipelines from Apache NiFi to Airflow — 25% cloud cost reduction
  • Built metrics and data quality checks for production issue detection; mentored engineers on architecture and tech stack
Amazon Web Services
Software Development Engineer
Seattle, WA
Mar 2020 — Nov 2021
  • AWS Commerce Platform — delivered custom pricing and billing models for enterprise customers
  • Maintained services managing AWS customer billing data totaling 25M rows, 8 GB
  • Built event-driven microservices using Java, Lambda, Step Functions, DynamoDB, SQS, SNS
  • Engineered a service to identify threats and assess vulnerabilities in customer billing data
  • Developed RESTful APIs and optimized algorithms for vending billing data to internal services
  • Formulated system design covering service architecture, modules, interfaces, and data flows
NetApp Inc.
Software Engineer Intern
Boulder, CO
May 2019 — Aug 2019
  • Developed networking and clustering features for the SolidFire storage product in Python
  • Integrated Docker + Jenkins CI/CD pipeline — 73% reduction in build time
  • Configured vApps via vSphere Web Client — 68% reduction in testing time
  • Led team to deliver new features and defect fixes in the NetApp Storage Plugin using C#
Persistent Systems Ltd
Software Development Engineer
Pune, India
Aug 2016 — Mar 2017
  • Built a cloud trust-model in Java to programmatically assess cloud system quality
  • Published research paper at International Conference on Recent Trends in Engineering and Technology
02

Skills

Languages
ScalaJavaPython C++CJavaScript HTML / CSSHaskell
Big Data
Apache SparkHadoopHive KafkaApache AirflowApache NiFi ETL
AWS
LambdaStep FunctionsDynamoDB SQS / SNSS3Athena RedshiftElastiCache CDKCodeDeploy
GCP
BigQueryDataproc Serverless SparkGcloud SDK
Databases
MySQLDynamoDBBigQuery RedshiftElastiCacheHive
DevOps & Tooling
DockerJenkinsGitHub BitbucketJIRAIntelliJ IDEA
Methodologies
Big DataRESTful APIs MicroservicesDevOps SAFeAgile / ScrumOOP
03

Education

M.S. Computer Science
Syracuse University
Syracuse, New York, USA
Jan 2018 – Dec 2019
GPA 3.64 / 4.0
Algorithms Machine Learning Distributed Systems Big Data Data Mining
B.E. Computer Engineering
Savitribai Phule Pune University
Pune, Maharashtra, India
Aug 2013 – May 2017
First Class with Distinction
Data Structures Operating Systems Cloud Computing Software Engineering Networking
04

Projects

01 / ACADEMIC
Cross-Platform Movie Revenue Prediction
Applied sentiment analysis on tweets and YouTube comments to classify movies and forecast box office revenue using unsupervised K-means clustering.
PythonR K-MeansNLP Twitter APIYouTube API
Accuracy: 93%
02 / ACADEMIC
Google Analytics Revenue Prediction
Benchmarked gradient-boosted tree models on Google Analytics data. Comprehensive EDA, feature engineering, and ensemble model comparison.
PythonLightGBM XGBoostCatBoost Google Analytics
Accuracy: 96%
03 / PUBLISHED
Cloud Trust Model
Java-based framework to programmatically assess cloud system trustworthiness and quality. Presented and published at international conference.
JavaCloud Computing Trust ModelResearch
Status: Published
05

Contact

Open to opportunities

Let's build
something great.

Senior Software Engineer specializing in Big Data, AdTech, and distributed cloud systems. Based in Sunnyvale, CA — available for senior IC, staff-level, or data architecture roles.

akshayjagz@gmail.com