Mahesh LINGABATHULA
BENGULURU
Summary
Results-driven Software Test Engineer with over 5 plus years of experience in Mobile Testing, Device Validation, Performance Testing, Functional Testing, Regression Testing, and Automation across Huawei, SONY, and Zebra platforms.
Strong expertise in Python, Selenium, Appium, API Testing, Jenkins, Docker, AWS, CI/CD, and test framework development for scalable and efficient validation processes.
Hands-on experience in Camera Testing, Thermal Testing, Power Consumption, Benchmarking, Perfetto Analysis, Upgrade Testing, and end-to-end quality assurance for Android devices.
Proven ability in defect lifecycle management, requirement analysis, cross-functional collaboration, and delivering high-quality products in Agile environments using JIRA, ALM, and Confluence.
Focused on driving automation excellence, improving release quality, and contributing to DevOps testing ecosystems with strong problem-solving and continuous learning mindset.
Overview
8
8
years of professional experience
Work History
Software Test Engineer
L&T Technology Services - Zebra Client
02.2024 - Current
- Executed Python Appium automation scripts for mobile and device workflows, enhancing regression coverage.
- Developed comprehensive Selenium WebDriver scripts to enhance the testing framework for web applications.
- Executed functional regression smoke sanity and end-to-end testing for zebra scanner devices.
- Executed API testing using Postman to validate request/response accuracy and ensure seamless backend integration.
- Conducted comprehensive testing of battery power, CPU memory, and app launch performance using Agilent and Perfetto to ensure optimal device functionality.
- Developed Jenkins pipelines for automated scheduling of reporting and release validation.
- Facilitated docker-based test environment setup for stable and repeatable executions.
- Logged and tracked defects while collaborating with development teams to ensure timely resolution.
Software Test Engineer
L&T Technology Services - SONY client
05.2022 - 01.2024
- Executed end-to-end functional performance regression smoke and validation testing on Sony Android handset platforms across Android 13 and Android 14 releases to ensure product quality and build stability.
- Analysed daily software requirements change requests and feature updates from project manager via Jira to ensure alignment with project goals.
- Executed Python automation scripts for device testing to enhance operational efficiency and reduce manual effort.
- Automated mobile application and device workflows using Python Appium to enhance validation of UI flows and application behaviour across builds.
- Developed and maintained Selenium WebDriver automation frameworks to enhance web-based validation activities.
- Conducted application launch performance testing to enhance startup efficiency and user experience.
- Assisted in utilising perfetto tracing tool for performance analysis.
Supported identification of bottlenecks in startup processes.
Collaborated with developers to address latency and responsiveness issues. - Executed comprehensive testing through automation tools to validate compliance stability and enhance overall device performance.
- Conducted power consumption and thermal mitigation testing using Agilent power monitoring tool to assess device performance under varying workloads.
- Orchestrated CI/CD pipelines using Jenkins, integrating automation suites for scheduled execution.
Assosiate Software Test Engineer
IonIdea Intractive pvt. ltd. - Huawei Client
05.2018 - 09.2020
- Executed end-to-end testing for multiple Huawei/Honor smartphone programmes across camera, thermal, chipset, EMUI, and customer issue management.
- Collaborated with software managers, test managers, developers, and cross-functional teams to gather and analyse requirements for EMUI 9.0, 9.1, and 10.0 Android releases, ensuring comprehensive compliance with region-specific and operator standards.
- Conducted rigorous validation of functional requirements, guaranteeing compatibility across diverse devices including Honor series, Huawei Nova, Mate series, Y-series, and multiple chipset platforms.
- Managed VOC issues, FUT issues, and iCare customer concerns by reproducing field defects, conducting thorough issue analyses, and ensuring timely resolution of defects.
- Conducted specialised mobile camera testing, overseeing basic functionality testing, third-party validation, and subjective evaluation to enhance feature performance and user experience.
- Conducted thermal, stability, and performance testing to validate device reliability under stress conditions.
- Conducted advanced performance benchmarking to optimise dynamic and static power consumption, boot memory time, and runtime memory application using sophisticated automation and performance tools.
- Optimised advanced platform features including GPU Turbo chipset compatibility and device performance across Qualcomm 8953 / 660 and Hisilicon Kirin 596 / 659 / 710 / 970 / 980 based devices.
- Performed Regression Testing, Installation Testing, Acceptance Testing, Beta Testing, COTA Upgrade Testing, and HOTA Upgrade Testing, ensuring seamless software updates, release readiness, and production quality.
- Utilized Python Automation and Shell Scripting for requirements execution, BFT test cases, performance validation, repetitive task automation, and improved overall test efficiency.
Education
Computer Science and Engineering
JNTU Hyderabad
Hyderabad, IN-TS01-2017
Skills
Mobile Testing
Functional Testing
Manual Testing
Regression Testing
Smoke Testing
Sanity Testing
Performance Testing
Battery Testing
Power Consumption Testing
GPU Testing
Camera Testing
Camera Subjective Testing
Game Testing
Multimedia Testing
Thermal Testing
Installation Testing
Upgrade Testing (COTA/HOTA)
Acceptance Testing
Beta Testing
API Testing
UI Testing
Mobile Automation Testing
Python
Shell Scripting
Selenium WebDriver
Appium
Pytest
Page Object Model (POM)
Python Automation Frameworks
AWS Cloud
Jenkins
Docker
SVN
Postman
JIRA
Confluence
ALM
ADB Commands
Flashing Tools
SSCOM
GPU Helper Tools
Boot Memory Tools
Dynamic Performance Tools
Monsoon Power Monitor Tool
Perfetto Tracing Tool
Agilent
Taurus
Benchmarking Tools
Boot Time Analysis
Runtime Memory Analysis
Dynamic/Static Power Consumption Analysis
DTS
VMP
CIDA
Windows
Android
Linux
Qualcomm Chipsets
HiSilicon Kirin Chipsets
Android Smartphones
Scanner Devices
Timeline
Software Test Engineer
L&T Technology Services - Zebra Client
02.2024 - Current
Software Test Engineer
L&T Technology Services - SONY client
05.2022 - 01.2024
Assosiate Software Test Engineer
IonIdea Intractive pvt. ltd. - Huawei Client
05.2018 - 09.2020
Computer Science and Engineering
JNTU Hyderabad