About VWO
VWO is a leading Digital Experience Optimization platform trusted by over 3,000 businesses in 100+ countries, including global brands like Samsung, Vodafone, Toyota, HBO, and Domino's. What began 15 years ago as one of the world’s first A/B testing tools has since evolved into a comprehensive, enterprise-grade platform used by product, marketing, and growth teams to experiment, personalize, analyze behavior, and build exceptional digital experiences.
Today, VWO offers a full-stack suite for A/B testing, multivariate testing, feature rollouts, heatmaps, session recordings, behavioural analytics, surveys, personalization, and more across web, mobile, and server-side applications — all in one unified platform. We enable teams to make confident, data-driven decisions that drive user engagement, retention, and conversion
.
VWO is a profitable, founder-led business with $50M+ ARR, strong EBITDA margins, and a history of capital-efficient, sustainable growth. In January 2025, Everstone Capital acquired a majority stake in the company to help accelerate our global expansion — both organically and inorganicall
y.
We are a fully remote team of 450+ people, with go-to-market teams across the Americas, Europe, and APAC, and product and engineering anchored in India. Our culture values deep thinking, fast execution, and strong ownership — with minimal bureaucracy and high autonomy. Despite our scale, we continue to operate with the agility and ambition of a start
up.
At Wingify, our Data Science Team tackles diverse research challenges in Digital Experience Optimization, crafting cutting-edge solutions to help businesses grow. As a Senior Data Scientist, you will play a pivotal role, directly engaging with senior leadership while fostering a culture of learning through experimentation. You’ll collaborate with teams across product development, engineering, and customer success to create impactful solutions, blending business insight with rigorous resea
rch.
Job Descrip
tion:Requirem
- ents:Minimum 1 - 3 years of experience in manual and automation tes
- ting.Identify, troubleshoot, and debug JavaScript and UI issues in different brow
- sers.Utilize browser developer tools (e.g., Chrome DevTools, Firefox Developer Tools) to inspect, modify, and test code in real
- time.Proficiency in JavaScript, HTML, CSS, and other web technolo
- gies.Strong knowledge of browser developer tools for debugging and performance tes
- ting.Familiarity with performance testing tools (e.g., Lighthouse, WebPageT
- est).Experience with modern JavaScript frameworks (e.g., React, Angular, Vue
- .js).Analytical ability to understand and work with complex application architec
- ture.Well-versed in Functional Automation - Web and
- API.Knowledge of API testing and automation with Rest Ass
- ured.Proficient in any of the following Automation Tools - Selenium / Protra
- ctor.Experience in Performance/load testing with tools like Jmeter is a b
- onus.In-depth knowledge of programming languages: Java or JavaSc
- ript.Knowledge of GenAI Applications and hands-on experience in its usage will be considered a major advan
- tage.Hands-on knowledge of testing backend platforms - Databases, Cache, and Queues is a
- plus.Knowledge in client-side debugging for RCA of
- bugs.Experience in QA infra technologies like Docker and Selenium Grid is an added b
- onus.Experience in Version control tools like Git. And CI tools like Jenkins are requ
- ired.Keen inclination towards usability and end-user perspective of the application we b
- uild.Own QA Processes in scrums. Estimate and plan projects with accu
- racy.Contribution to open-source projects related to QA is a strong
- plus.Works independently under minimal direction with strong work et
hics.
Your responsibi
- lities:Ensure that our products are awesome and of high q
- uality.Confirm, verify bugs, and determine steps to rep
- roduce.Design and implementation of internal automation tools
- for QA.Building front end, UI, API, load, performance, and UAT test suites for our applic
- ations.Work closely with Product, Marketing, and development teams on projects to understand requirements and create, automate, execute, manage and report test plans, test cases, and test r
- eports.Own QA activities for the scrum team and drive scoping, planning, executing, monitoring & controlling test acti
- vities.Be the first point of contact for all client issues, debug them and get them resolved in time for a better customer expe
- rience.Understand deployment scenarios and manage deployment to test enviro
nments.