Subrat Mandal

About Subrat Mandal

With 19 years of experience in Quality Engineering, Automation, and CI/CD across high-scale product organizations including Gojek, Dream11, Ola, Zendrive, and [24]7.ai, Built and scaling an AI-driven QA platform integrating NLP-based test automation, intelligent test data generation, and AI-assisted root cause analysis to improve release efficiency and quality at scale.Key Achievements- Architected and led development of a unified AI-driven QA platform combining NLP-based test automation, intelligent test data generation, and AI-assisted root cause analysis- Enabled a seamless testing lifecycle — from natural language test creation → dynamic test data provisioning → intelligent failure triaging- Led the successful migration of Gojek’s infrastructure—spanning over microservices—from GCP to Tencent Cloud, ensuring zero production downtime and maintaining uninterrupted release pipelines during the transition- Re-architected test automation and CI/CD workflows for multi-cloud compatibility, integrating large-scale load testing (using tools like k6 and Gatling) to validate system performance, scalability, and release readiness under peak traffic conditions- Accelerated release velocity by optimizing test automation, CI/CD, and flaky test management, enabling weekly mobile releases and reducing regression cycles by 80%- Architected next-gen automation frameworks across web, mobile, API, and microservices, reducing manual testing efforts by 70% and enhancing product stability- Established CoE/Platforms for automation, performance, and release engineering, driving innovation and best practices across engineering teams- Partnered with engineering, product, and DevOps teams to integrate shift-left testing, contract testing, and data-driven quality metrics, reducing production defects and improving customer experience.Key Skills:Test Automation: Selenium, WebDriverIO, TestNG, JUnit, Cucumber, Appium, Espresso, XCUITestAPI Testing: Postman, RestAssured, GraphQL TestingPerformance & Reliability Testing: JMeter, Gatling, k6, Chaos EngineeringCI/CD & DevOps: Jenkins, GitHub Actions, GitLab CI/CD, Docker, KubernetesCloud Platforms: AWS, GCP, Tencent cloud Leadership & Collaboration: QA Strategy, Test Governance, Agile & Scrum, Team Mentoring, Stakeholder Collaboration, Process Improvement, Test metrics & KPI

Experience

1. Head of Engineering

   GoTo Group

   Jul 2021 — Present · Bengaluru, IN

   Built and scaled a 90+ member global SDET organisation across India, Indonesia, Singapore to drive automation at scale- Led the successful migration of Gojek’s infrastructure—spanning over microservices—from GCP to Tencent Cloud, ensuring zero production downtime and maintaining uninterrupted release pipelines during the transition- Re-architected test automation and CI/CD workflows for multi-cloud compatibility, integrating large-scale load testing (using tools like k6) to validate system performance, scalability, and release readiness under peak traffic conditions.⁃ Established Automation Engineering Platform for Automation, Performance, and Release Engineering, ensuring best practices and standardisation across all teams.⁃ Introduced real-time quality & release dashboards, providing engineering and product leadership with actionable insights to optimise release readiness.⁃ Led test automation initiatives that cut regression testing time from days to hours, allowing Gojek to shift from bi-weekly to weekly app releases without compromising quality.⁃ Architected end-to-end CI/CD for mobile apps using BrowserStack cloud lab, automating builds, testing, and deployments to enhance engineer productivity.⁃ Built an End to End testing framework for seamless API interactions within Gojek’s multi-service Super App ecosystem.⁃ Designed and deployed a physical device lab with a diverse range of real-world devices to analyse app performance, stability, and launch times across different Android & iOS versions.⁃ Implemented automated performance benchmarking, measuring app startup time, ANR rates, and memory consumption across flagship and budget devices.⁃ Helped identify and resolve critical performance bottlenecks, leading to a 30% reduction in app launch time and improved UI responsiveness.

Education

• Biju Patnaik University of Technology, Odisha

  BE, Electronics & Telecommunication Engineering

  2002 — 2006