Description
Senior SDET – Backend & Data Pipelines
Location: New Delhi, India; Delhi, India
Department: Engineering
Experience: 3-6 years
About Wingify: Wingify is backed by Everstone Capital, a leading global private equity firm with assets under management exceeding USD 8 billion across India and Southeast Asia.
We are a global SaaS company building category-leading products in Digital Experience Platform Founded in India, Wingify is best known for its flagship product VWO (Visual Website Optimizer) — a powerful experimentation and personalization platform used by thousands of brands worldwide.
In 2026, Wingify merged with AB Tasty, creating one of the world’s largest independent experimentation and personalization platforms.
Today, the combined entity:
- Generates $100M+ in Annual Recurring Revenue (ARR)
- Serves 4,000+ customers globally
- Has 800+ employees across North America, Europe, and APAC
- Operates from 11 global offices
- Is valued at approximately $400–500M
Job Summary
We are looking for a Backend & Data-focused QA Engineer / SDET to ensure the quality, reliability, and scalability of our data-driven systems. This role goes beyond traditional QA — you will work on validating complex data pipelines, APIs, and distributed systems, while building robust automation frameworks and driving end-to-end quality across backend services.
Your Responsibilities
- Ensure high quality and reliability of our data pipeline systems with a strong focus on backend validation
- Analyze, validate, and debug complex data flows across services, APIs, and pipelines
- Identify, confirm, and document bugs with clear reproduction steps, especially in distributed systems
- Design and build automation frameworks for backend, API, and data validation
- Develop and maintain API, integration, and data validation test suites
- Own performance and load testing using tools like JMeter to validate system scalability
- Work closely with Product, Engineering, and Data teams to understand pipeline logic and define test strategies
- Own QA activities within the scrum team including planning, execution, and reporting
- Act as the first point of contact for debugging customer data issues, RCA, and resolution
- Validate deployments across environments and ensure data correctness post-release
- Drive best practices in test automation, observability, and data validation
- Contribute to internal tools that improve QA efficiency for backend and data systems
Requirements
- 3 to 6 years of experience in QA with a strong focus on backend and API testing
- Strong understanding of distributed systems and data pipelines
- Hands-on experience with API testing and automation (Rest Assured or similar)
- Solid experience in performance and load testing (JMeter or equivalent)
- Strong knowledge of databases (SQL + NoSQL) with the ability to validate large datasets
- Good understanding of message queues and streaming systems (Kafka or similar)
- Experience with data warehousing tools (BigQuery or similar)
- Proficiency in Java or JavaScript for automation
- Hands-on experience in debugging backend systems and identifying root causes
- Familiarity with CI/CD tools (Jenkins), Git, and containerization (Docker)
- Experience in building or maintaining QA infrastructure (e.g., Selenium Grid or similar)
- Strong analytical skills to understand complex system interactions
- Ability to work independently and own QA for backend-heavy systems
Good to Have
- Experience with cloud platforms (GCP / AWS)
- Understanding of caching mechanisms and system performance tuning
- Exposure to GenAI applications or AI-driven testing workflows
- Experience with modern dev tools like Cursor, Windsurf, or similar AI-assisted development tools
- Contributions to open source QA tools or frameworks
Location: India (Fully Remote)
There are more than 50,000 engineering jobs:
Subscribe to membership and unlock all jobs
Engineering Jobs
60,000+ jobs from 4,500+ well-funded companies
Updated Daily
New jobs are added every day as companies post them
Refined Search
Use filters like skill, location, etc to narrow results
Become a member
🥳🥳🥳 452 happy customers and counting...
Overall, over 80% of customers chose to renew their subscriptions after the initial sign-up.
To try it out
For active job seekers
For those who are passive looking
Cancel anytime
Frequently Asked Questions
- We prioritize job seekers as our customers, unlike bigger job sites, by charging a small fee to provide them with curated access to the best companies and up-to-date jobs. This focus allows us to deliver a more personalized and effective job search experience.
- We've got over 200,000 jobs from 15,000+ vetted companies. No fake or sleazy jobs here!
- We aggregate jobs from 15,000+ companies' career pages, so you can be sure that you're getting the most up-to-date and relevant jobs.
- We're the only job board *for* software engineers, *by* software engineers… in case you needed a reminder! We add thousands of new jobs daily and offer powerful search filters just for you. 🛠️
- Every single hour! We add 2,000-3,000 new jobs daily, so you'll always have fresh opportunities. 🚀
- Typically, job searches take 3-6 months. EchoJobs helps you spend more time applying and less time hunting. 🎯
- Check daily! We're always updating with new jobs. Set up job alerts for even quicker access. 📅
What Fellow Engineers Say