Santhosh S✅

Senior SDET | Automation Framework Architect | Selenium | Playwright | Python | Java | API & UI Testing | PyTest | SQL | Jenkins | Docker | CI/CD | Quality Engineering | AI-Assisted Testing | Mentor @ Topmate | Postman

Chennai, Tamil Nadu, India

About

I'm a Senior Software Development Engineer in Test (SDET) with 5+ years of experience building scalable test automation solutions, improving release quality, and driving quality engineering initiatives across SaaS, fintech, telecommunications, logistics, and semiconductor platforms. Day-to-day activities: ⭐ Participating in daily sprint planning and daily sprint meeting ⭐ Collaborating with developers and product managers during feature discussion. ⭐ Designing and maintaining comprehensive test case cases ⭐ Developing automation for critical and high business workflows ⭐ Integrating automated tests into CI/CD pipelines ⭐ Mentoring engineers on automation and quality practices ⭐ Monitoring Jenkins pipelines and resolving automation failures ⭐ Participating in sprint retrospective to provide valuable inputs (What went well, What Didn't Go Well, Action Items) Some highlights from my journey: → Increased automation coverage by 70% through Selenium, Pytest, and Python-based automation frameworks → Identified and reported 500+ defects across multiple enterprise products, including critical issues that prevented production impact → Mentored junior engineers on automation framework development, test design, debugging strategies, and quality engineering best practices → Leveraged AI-powered tools such as Cursor and Claude to accelerate test case creation, automation development, and troubleshooting workflows → Built and enhanced automation frameworks supporting UI, API, and end-to-end testing across high-scale applications → Reported critical defects across 100+ public platforms and enterprise products, earning industry recognition for strong exploratory testing and bug-hunting skills. Beyond testing, I have a strong passion for problem solving and continuous learning. 🏆 Diamond Badge on CodeChef 🏆 Solved 1,500+ coding problems across CodeChef, LeetCode, HackerRank, GeeksforGeeks and HackerEarth 🏆 TechGig Code Gladiators Finalist (2020, 2022, 2024) 🏆 Authored and published 5 technical articles in the GeeksforGeeks website My expertise includes: • Test Automation & Framework Development • Selenium, Playwright, Pytest & Robot Framework • API & UI Testing • Python, Java, SQL & JavaScript • CI/CD, Jenkins, GitHub Actions & Docker • Quality Engineering & Shift-Left Testing • Exploratory Testing & Bug Hunting • AI-Assisted Testing & Automation I am passionate about building high-quality software, creating scalable automation solutions, mentoring engineers, and helping organizations deliver faster and more reliable releases. Behance - https://www.behance.net/ssanthosh220897

Experience

  • Teaching Professional at topmate.io
    Dec 2022 - Present · 3 yrs 8 mos

    Mentor at Topmate. Completed 200+ sessions and have guided students to find their dream job. You can click on below link to book a session.

  • Senior Software Test Engineer at Freshworks
    Apr 2025 - May 2026 · 1 yr 2 mos

  • Arcesium ()
    • Senior Software Engineer
      Jan 2024 - Mar 2025 · 1 yr 3 mos

    • Software Engineer
      Nov 2022 - Dec 2023 · 1 yr 2 mos

  • Software Engineer at Genesys
    Aug 2021 - Nov 2022 · 1 yr 4 mos

    * Working in the manual, API automation & performance testing. * Performing load testing on inbound call flow & manual testing on in- house management framework. * Reported many bugs and verified the bug fixes. * Identified & reported memory growth issue in 3 different voice services while performing load test. * Worked on weekends & holidays to complete highly required task. * Added new features and fixed existing issues in voice performance automation pipeline.

  • Software Test Engineer at Dgraph Labs at Thinkify Labs
    Feb 2021 - Jun 2021 · 5 mos

    * Worked at Dgraph Labs which is a client company of Thinkify Labs. * Worked on API, CLI and UI Automation. * Wrote test cases for the new features and added it to the Test Rail. * Automated new & existing test cases using ROBOT framework. * Reported critical bugs (Payment and Invoice related bugs) and get it fixed by the development team before the release. * Performed sanity testing, regression testing and feature testing. * Maintained TeamCity builds green.