Hi, I’m Saikiran Challagundla, a QA Automation Engineer based in the United States, open to relocation. I bring 4.5+ years of experience designing and delivering high-quality, scalable testing solutions for enterprise web and microservices-based applications.\n\nI design and maintain robust automation frameworks using Selenium WebDriver, Java, TestNG, and REST Assured to reduce manual testing and accelerate release cycles. I have strong API testing, database validation (SQL), and performance testing with JMeter, plus experience integrating automated tests into CI/CD pipelines with Jenkins and GitHub Actions, enabling fast feedback and reducing post-release defects.

Saikiran Challagundla

Hi, I’m Saikiran Challagundla, a QA Automation Engineer based in the United States, open to relocation. I bring 4.5+ years of experience designing and delivering high-quality, scalable testing solutions for enterprise web and microservices-based applications.\n\nI design and maintain robust automation frameworks using Selenium WebDriver, Java, TestNG, and REST Assured to reduce manual testing and accelerate release cycles. I have strong API testing, database validation (SQL), and performance testing with JMeter, plus experience integrating automated tests into CI/CD pipelines with Jenkins and GitHub Actions, enabling fast feedback and reducing post-release defects.

Available to hire

Hi, I’m Saikiran Challagundla, a QA Automation Engineer based in the United States, open to relocation. I bring 4.5+ years of experience designing and delivering high-quality, scalable testing solutions for enterprise web and microservices-based applications.\n\nI design and maintain robust automation frameworks using Selenium WebDriver, Java, TestNG, and REST Assured to reduce manual testing and accelerate release cycles. I have strong API testing, database validation (SQL), and performance testing with JMeter, plus experience integrating automated tests into CI/CD pipelines with Jenkins and GitHub Actions, enabling fast feedback and reducing post-release defects.

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Experience Level

Expert
Expert
Expert

Work Experience

QA Engineer at Doublene, USA
January 1, 2024 - Present
Led end-to-end QA initiatives for enterprise web applications, achieving 99.8% production stability through defect prevention, risk-based testing, and structured validation. Engineered and optimized scalable automation frameworks using Selenium, TestNG, and REST Assured, reducing manual regression workload by 60% and accelerating release timelines by 35%. Collaborated with product managers, developers, and business analysts within Agile sprint ceremonies to refine acceptance criteria, improving requirement clarity and reducing rework by 25%. Performed API, database, and UI validation across distributed microservices; integrated automated regression suites into CI/CD pipelines using Jenkins and GitHub Actions, enabling rapid feedback and cutting post-deployment defects by 40%. Led root cause investigations for high-priority production incidents and established preventive quality checkpoints, increasing pre-release defect detection by 30%.
SDET Intern at TATA Consultancy Services, India
December 1, 2021 - August 1, 2022
Designed and deployed a scalable data-driven automation framework leveraging TestNG and reusable Page Object Model components, expanding test coverage by 40% and reducing maintenance effort by 30%. Executed advanced database verification through complex SQL queries and backend validation, eliminating 35% of data inconsistency defects prior to deployment. Implemented cross-browser validation using ChromeDriver and GeckoDriver, attaining 95% compatibility across major browsers and decreasing browser-specific issues by 25%. Conducted performance and load assessments with JMeter, analyzing response metrics to uncover bottlenecks and boosting average system response time by 20%. Actively participated in Agile ceremonies, requirement deep-dives, and peer review sessions, contributing to a 15% drop in defect leakage and reinforcing release excellence.
Automation Test Engineer at Techecy, India
January 1, 2020 - December 1, 2021
Delivered end-to-end functional, regression, and smoke validation aligned with Agile, SDLC, and STLC methodologies, capturing 95% of defects pre-production and sustaining high-quality deliverables. Built and maintained resilient Selenium WebDriver automation scripts using Java and TestNG, elevating testing efficiency by 40% and broadening automation scope by 35%, thereby minimizing production escapes. Validated RESTful APIs through Postman and REST Assured, alongside multi-browser compatibility checks, strengthening application stability and system performance by 30%. Architected and refined modular automation frameworks based on POM with Maven dependency management, trimming maintenance overhead by 30% and maximizing reusability. Orchestrated CI/CD integration of automated test suites via Jenkins and Git, shortening release cycles by 25% and accelerating continuous delivery workflows. Oversaw complete defect lifecycle management in JIRA, lowering critical production issues by 20% thro

Education

Master of Science in Information Systems at University of Colorado Denver
August 1, 2022 - May 1, 2024
Bachelor of Engineering in Electrical and Electronics Engineering at Jawaharlal Nehru Technological University, Hyderabad, India
July 1, 2017 - August 1, 2021

Qualifications

AWS Certified Solutions Architect - Associate
January 11, 2030 - April 22, 2026

Industry Experience

Software & Internet, Professional Services