ETL Tester

Wissen Technology is Hiring for an ETL Tester

About Wissen Technology:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Job Summary :

We are seeking experienced and detail-oriented ETL QA Engineers with a strong background in data testing and a solid understanding of data warehouse and BI concepts. Ideal candidates will bring expertise in SQL, ETL tools, Snowflake, and Azure, along with experience in the banking domain.

Experience:

Location:

Mode of Work:

Key Responsibilities:

• Perform end-to-end ETL testing, including data validation, reconciliation, and quality assurance.
  

• Validate and test data pipelines using tools such as Talend Cloud Data Integration, Pentaho/Kettle.
  

• Execute tests on Snowflake data warehouse environments.
  

• Debug SQL queries and perform complex data validations using advanced SQL.
  

• Collaborate with cross-regional teams (APAC, EMEA, NA) to troubleshoot data/code issues and identify root causes.
  

• Perform data readiness checks and ensure data quality standards are met.
  

• Use tools like JIRA and Xray for defect and test case management.
  

• Test Change Data Capture (CDC) tools such as Qlik Replicate and Compose.
  

• Coordinate with development and business teams to align test strategies and timelines.
  

Required Skills and Qualifications:

• Strong hands-on experience in ETL testing and Data Warehousing concepts.
  

• Proficient in SQL and able to perform complex debugging and data analysis.
  

• Experience working with Snowflake and Azure is highly desirable.
  

• Familiarity with banking domain applications is mandatory.
  

• Good understanding of third-party data providers like Bloomberg, Reuters, MSCI is a plus.
  

• Experience with State Street and Charles River Development (CRD) is considered an advantage.
  

• Proficiency in tools such as PowerPoint, Excel, and SQL-based utilities.
  

Preferred Skills:

• Professional and positive team player.
  

• Strong communication skills (written and verbal).
  

• High attention to detail and excellent problem-solving skills.
  

• Ability to work independently and manage multiple priorities.
  

• Brings enthusiasm and energy to team dynamics.
  

• Creative thinker with an ability to innovate and improve testing frameworks.
  

• Experience in negotiation and conflict resolution is an added advantage.
  

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