Summary

Overview

Work History

Education

Skills

Timeline

RAJESH GUPTA

Gurgaon

Summary

Dynamic and results-oriented Principal Engineer, currently excelling at DataPelago. Proven expertise in a broad spectrum of areas, including Manual & Automation Testing, Automation Framework Development, Performance Testing and Tuning, and ML-based Big Data Products Testing and Planning. Detail-oriented Principal Engineer experienced in software development. Reliable and focused on driving technical excellence and organisational success.

Overview

years of professional experience

Work History

Principal Engineer

DataPelago

Hyderabad, India (Remote)

03.2024 - Current

Automation framework development for testing data pipelines on cloud i.e AWS, GCP
Performance framework development to performance test Gluten, velox, spark using Jmeter
ELK framework setup to visualize performance results
GenAI tool to generate test scenarios using feature summary on top of OpenAI
Hiring & mentoring team for cloud based testing

Lead Data Engineer

Visa Inc.

Bangalore (Remote)

03.2022 - 03.2024

Automation framework design, development & maintaining for big data components like Hive, Spark, Presto
Working closely with software engineers, solution engineering & product management from beginning of development cycle to be integral part of engineering team
Expertise in Python, PySpark, shell scripting to build robust frameworks
Experience in working with variety of data sources including SQL, NoSQL databases & data warehouses
Developing comprehensive Test plan, test cases, test scenarios for Hive, Hadoop, PrestoDB, Trino, Ranger prioritizing quality for both functional & non functional testing
End-to-End Performance Analysis: Strategize, plan & execute performance testing for Big data products to identify performance issues, latency, resource constraints via Apache JMeter tuning for these engines
Taking ownership & driving performance initiative across teams
Automation tools for regression: Developed CI pipeline using Jenkins, ansible, shell for nightly regression suite
Code & design reviews for team members
Leading & mentoring QA team, throughout the software testing lifecycle providing guidance & support
Investigating complex performance issues & identifying root causes & prevent recurrence
Collaborate with the development team & Architects to review application architecture and identify areas where memory optimisations can be applied
Collaborate with multiple stakeholders to manage test environments & test data
GenAI tools to generate sql used for engine testing on top of OpenAI
Achieved cost-effective cloud-based storage solutions for handling vast amounts of data, resulting in reduced operational expenses and increased scalability.

Senior Member of Technical Staff

Nutanix

10.2019 - 02.2022

Automation of Big data product deployed on AWS
Building libraries for AWS components
Handled a team of 10+ including mentoring and planning tasks
Testing and test planning of ML based big data products like discovery engine
Performance testing of microservices and algorithms
Functional testing of APIs and Web apps
Building high performing teams from scratch including campus hiring and lateral hiring
Planning and creating tools to enhance productivity at company level
Scrum master, managing the sprints across multiple products.

Principal Engineer SDET

Rivigo

04.2017 - 09.2019

Automation framework development for API and UI automation
Handled a team of 10+, including mentoring and planning tasks
Testing and test planning of ML based big data products i.e
ETA(estimated time of arrival), Sales prediction model(sales CRM), recommendation engine
Performance testing of microservices and algorithms
Functional testing of APIs and Web apps
Building high performing teams from scratch including campus hiring and lateral hiring
Planning and creating tools to enhance productivity at company level
Scrum master, managing the sprints across multiple products.
Mentored junior engineers in best practices for problem-solving, fostering professional growth and development within the team.
Championed continuous improvement initiatives, promoting a culture of innovation and excellence within the organization.
Led engineering teams to successfully complete projects on time and within budget.

Senior Team Lead SDET

Snapdeal

04.2016 - 03.2017

Analysis, platform selection, design of the technical architecture, application design, testing, and deployment of the proposed solution
Evaluate datasets for accuracy and quality
Generate ideas to help/improve people, process, and technology that interact with analytic ecosystem gather and process raw data at scale (including writing scripts, web scraping, calling APIs, write SQL queries etc.)
Functional testing of recommendation and notification component for web and app
Performance test planning and execution of the plan
Big Data Infra planning & setup creation for performance testing
Analysis of performance stats and performance tuning of Bigdata applications running on AWS cloud & SD Cloud
Performance testing of API/Web Services
Automation framework development for performance monitoring
Integration of Jmeter with Jenkins and Grafana for performance testing
Worked on Cloud Administration tasks such as creating Affinity Group, Storage Accounts, Cloud Services, VPN, DNS server and VPN connectivity
Writing Jenkins jobs & chef recipes for CD/CI integration
Mentoring the team on Bigdata technologies.

QA Consultant

Guavus Inc.

12.2011 - 12.2015

Understanding requirements from FS document
Writing Test Plans& test plan review
Updating Test Plan and Test results in Testlink
Updating project status to Test Director & Program Manager
Performance tuning
Performance and scalability testing engineer
Tracking bugs using Jira
Automation using Python and shell scripting
Writing scripts to automate data generation required for testing
Deployment support & ATP execution
Creating test report and share it with Customer and senior management.

Senior Engineer Testing

Ericsson India Private Limited

06.2010 - 07.2011

Netops, Telecom, Python, Unix

Software Engineer

Infosys Technologies Ltd

10.2007 - 05.2010

Function Testing Engineer
Understanding requirements from FS document
Writing Test Plans
Updating Test Plan and Test results in Mercury Quality Center
Tracking bugs using clarify
Lab Prime for 3 months
Anchor for TL9K audit
Part of the Knowledge Management (KM) Team in my Business Unit.