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I am a QA Automation professional with 9+ years of experience across healthcare, fintech, telecom, e-commerce, and SaaS, delivering Java and Python-based automation frameworks using Selenium WebDriver, Playwright, and Appium to cover UI, API, mobile, and performance testing for complex enterprise systems. I specialize in API test automation with RestAssured, Postman, Karate DSL, and JSON/XML validation, including OAuth 2.0/JWT authentication, contract testing, and service virtualization with WireMock. I design scalable BDD and data-driven frameworks with POM, lead test strategy and shift-left initiatives, and mentor teams to achieve fast feedback in CI/CD environments.…I am a QA Automation professional with 9+ years of experience across healthcare, fintech, telecom, e-commerce, and SaaS, delivering Java and Python-based automation frameworks using Selenium WebDriver, Playwright, and Appium to cover UI, API, mobile, and performance testing for complex enterprise systems. I specialize in API test automation with RestAssured, Postman, Karate DSL, and JSON/XML validation, including OAuth 2.0/JWT authentication, contract testing, and service virtualization with WireMock. I design scalable BDD and data-driven frameworks with POM, lead test strategy and shift-left initiatives, and mentor teams to achieve fast feedback in CI/CD environments.

Sai U Sundavalli

QA Engineer, Full Stack Developer, Back-End Developer, +2

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I am a QA Automation professional with 9+ years of experience across healthcare, fintech, telecom, e-commerce, and SaaS, delivering Java and Python-based automation frameworks using Selenium WebDriver, Playwright, and Appium to cover UI, API, mobile, and performance testing for complex enterprise systems. I specialize in API test automation with RestAssured, Postman, Karate DSL, and JSON/XML validation, including OAuth 2.0/JWT authentication, contract testing, and service virtualization with WireMock. I design scalable BDD and data-driven frameworks with POM, lead test strategy and shift-left initiatives, and mentor teams to achieve fast feedback in CI/CD environments.…I am a QA Automation professional with 9+ years of experience across healthcare, fintech, telecom, e-commerce, and SaaS, delivering Java and Python-based automation frameworks using Selenium WebDriver, Playwright, and Appium to cover UI, API, mobile, and performance testing for complex enterprise systems. I specialize in API test automation with RestAssured, Postman, Karate DSL, and JSON/XML validation, including OAuth 2.0/JWT authentication, contract testing, and service virtualization with WireMock. I design scalable BDD and data-driven frameworks with POM, lead test strategy and shift-left initiatives, and mentor teams to achieve fast feedback in CI/CD environments.

Available to hire

I am a QA Automation professional with 9+ years of experience across healthcare, fintech, telecom, e-commerce, and SaaS, delivering Java and Python-based automation frameworks using Selenium WebDriver, Playwright, and Appium to cover UI, API, mobile, and performance testing for complex enterprise systems.

I specialize in API test automation with RestAssured, Postman, Karate DSL, and JSON/XML validation, including OAuth 2.0/JWT authentication, contract testing, and service virtualization with WireMock. I design scalable BDD and data-driven frameworks with POM, lead test strategy and shift-left initiatives, and mentor teams to achieve fast feedback in CI/CD environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

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Expert

Expert

Expert

Language

English

Fluent

Work Experience

Sr. SDET / QA Automation Engineer at Hilltop Holdings

May 24, 2024 - Present

Architected Java and Python-based automation frameworks using Selenium WebDriver, Playwright, and Appium with POM pattern validating finance platform modules; achieved 90%+ automation coverage enabling CI/CD for finance features. Led framework architecture, mentorship, and best practices; defined test strategy, coverage roadmap, and CI/CD integration. Automated KPI dashboards and real-time performance reporting; integrated data sources for KPI calculations. Implemented API testing strategy with Postman and RestAssured; advanced contract validation with Karate DSL. Performed performance/load testing with JMeter and k6; integrated Grafana dashboards for observability. Configured test data management with data-driven datasets; parallel regression on Dockerized Grid and Kubernetes. Managed cloud-based testing via AWS Device Farm, BrowserStack, and Azure DevOps; maintained traceability with Jira/Xray. Executed mobile automation (Appium) and Playwright end-to-end UI tests; performed SQL vali

Sr. SDET / QA Automation Engineer – API & UI at Alignment Health

June 1, 2023 - April 1, 2024

Architected API-focused automation with Postman collections and RestAssured; extended with Karate DSL for contract-level validation of claims and eligibility APIs. Implemented secure OAuth/JWT authentication validation, and UI automation using Selenium (Java) and Playwright (TypeScript) for member portals and dashboards. Executed negative testing, validated cross-system data integrity with SQL, and automated test data setup/teardown. Integrated Jenkins, Docker, and CI/CD workflows; maintained Jira/Xray traceability and HIPAA compliance; mentored peers on API testing and healthcare domain testing practices.

QA Automation / SDET Engineer – API & Performance at SignalWire

September 1, 2019 - May 1, 2023

Led REST API testing for voice and messaging APIs (CPaaS) with Karate DSL for BDD-style scenarios; implemented service virtualization using WireMock to simulate downstream dependencies. Built UI automation for admin portals, established test environments, and coordinated mock services. Created regression suites for critical API workflows, integrated Jenkins pipelines, and facilitated CI validation. Implemented load testing (JMeter/k6) with Grafana/Prometheus dashboards for SLA validation, and managed defect triage and RCA in Jira/Xray.

QA Automation Engineer – UI & Mobile at Everlane

May 1, 2017 - August 1, 2019

Designed UI automation for e-commerce flows (catalog, cart, checkout) using Selenium; implemented mobile automation with Appium on BrowserStack for Android/iOS. Maintained regression suites for UI, tested backend APIs and data integrity with SQL queries, and automated test data for pricing and promotions. Integrated CI with Jenkins; enforced code quality with SonarQube; supported UAT and go/no-go release validation.

QA Analyst / Manual Test Engineer at Fyle

July 1, 2016 - December 1, 2017

Performed manual testing across SaaS expense management; developed test cases with boundary value analysis and equivalence partitioning; tracked defects with clear reproduction steps. Executed basic SQL validation for CRUD operations, supported UAT, and gained early Selenium automation exposure. Contributed to Agile ceremonies and maintained test documentation.