Full-Time
Senior ETL Tester
Posted on 9/2/2025
Qualitest
5,001-10,000 employees
AI-powered software testing and quality engineering
No salary listed
Bengaluru, Karnataka, India
In Person
 QA & Testing (2) |
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- Overall 9+ years of ETL experience
- Proficient in Python programming and ability to write and execute Python scripts
- Extensive experience in performing data analysis on data mapping and functional design documents to understand ETL processing
- Validate data landed from source to target is correct
- Understand source to target mappings
- Understand business rules to meet user requirements
- Profile data
- Understand and interpret logical design document and data model diagrams to understand requirements
- Obtain and maintain a working knowledge of customers data flows and business models
- Effectively communicate project status to workstream leads
- Manage and control changes in project scope while communicating impact to work stream leads
- Proactively identify, communicate and resolve project issues and risks that interfere with project execution or success
- Work effectively on multiple assignments, activities or projects
- Manage individual work load and assist other team members as needed
- Help to identify, isolate, and communicate data problems within environments
- Ability to work individually and within groups
- 9+ years of relevant experience in a data warehousing role
- 9+ years of experience with Microsoft Office applications, MS Project, Visio and data modeling tools
- 9+ years of quality assurance experience
- 9+ years of quality assurance methodologies
- Ability to create and execute complex queries for large data sets using SQL or big data technologies
- Experience in analyzing data
- Experience with data profiling
- Experience in translating business requirements into conceptual and logical models
- Strong analytical and problem-solving skills
- Good background working with data schemas
- Excellent oral and written communication skills
- Excellent visual information skills (e.g. data-oriented use cases)
- Experience with agile (Scrum and Kanban)
- Experience with data movement tools such as Informatica
- Bachelor's degree, or work equivalent, in data sciences, computer science or related field
- 3 must haves
- ETL Testing - 4/5
- Advance SQL- 4/5
- Python - 4/5
- Proficient in Python programming / Ability to write and execute Python scripts.
- Extensive experience in performing data analysis on data mapping and functional design documents to understand ETL processing
- Validate data landed from source to target is correct
- Understand source to target mappings
- Understand business rules to meet user requirements
- Profile data
- Work with workstream leads and developers as needed
- Create and execute test cases
- Report and retest defects
- Understand and Interpret logical design document and data model diagrams to understand requirements
- Effectively communicate issues and raise concerns to work stream leads
- Obtain and maintain a working knowledge of customers data flows and business models
- Effectively communicate project status to workstream leads
- Manage and control changes in project scope while communicating impact to work stream leads
- Proactively work to identify, communicate and resolve project issues and risks that interfere with project execution or success
- Work effectively on multiple assignments, activities or projects
- Manage individual work load and assist other team members as needed
- Help to identify, isolate, and communicate data problems within environments
- Ability to work individually and within groups
Qualitest provides software testing services powered by AI to help clients in healthcare, finance, and technology improve quality and speed up time to market. Its core product is Qualisense, an AI tool that enhances risk-based testing by prioritizing testing efforts, identifying high-risk areas, and optimizing test coverage. This allows Qualitest to automate and accelerate testing workflows, reduce costs, and improve operational efficiency for large, diverse enterprises worldwide. The company differentiates itself from competitors through its focus on AI-driven testing and risk-based strategies, enabling faster release cycles and better customer experiences. Qualitest aims to help organizations deliver reliable software quickly and at lower overall risk by combining specialized testing services with advanced AI-enabled tooling, primarily under long-term service contracts and partnerships.
Company Size
5,001-10,000
Company Stage
Acquired
Total Funding
$497M
Headquarters
Fairfield, Connecticut
Founded
1997
Simplify's Take
What believers are saying
- New CEO Andrew Duncan appointed July 2025 drives expansion.
- COO Oscar Perez and CRO Mike Shaklik strengthen operations.
- Long-term partnerships yield recurring revenue from 400 clients.
What critics are saying
- Tricentis Tosca erodes market share with generative AI in 6-12 months.
- EU AI Act mandates high-risk compliance audits by August 2026.
- Open-source tools like Testim compress Qualisense margins immediately.
What makes Qualitest unique
- Proprietary Qualisense AI tool enables risk-based testing strategies.
- Serves healthcare, finance, technology with global 8,000 engineers.
- Pure-play AI-led quality engineering leader per Everest Group.
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Benefits
Remote Work Options
Company News
Qualitest is pleased to share that QualiTest Group has been named as one of the top 10 automation testing companies in the UK by The London Post.
London, UK, 6th August 2025 - Qualitest is pleased to announce the appointment of Mike Shaklik as Chief Revenue Officer (CRO) and member of the company's executive leadership team.
QualiTest Group is pleased to announce that Qualitest has once again been named by TheMarker and CofaceBdi as one of Israel's Top 100 Companies to Work For in 2025.
London, UK, 7th July 2025 - Qualitest is pleased to announce the appointment of Oscar Perez as its new Chief Operating Officer (COO) and a member of the company's executive leadership team.
Qualitest is pleased to announce that QualiTest Group has been awarded the Bronze in the "Best Use of Blended Learning Program" category at the prestigious Economic Times - Future Skills HR Awards 2025, hosted by the Times Group and ETHRWorld.