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Sr. ETL Tester with Python Automation Experience

00068754461

We are looking for a Senior ETL Tester to join our team for a permanent role. The ideal candidate will have deep hands-on experience with ETL, Python and a strong proficiency in SQL. You will play a critical role to enhance our automated regression testing coverage, maintain our test automation framework and ensuring the accuracy of large datasets, validating ETL processes, and contributing to automation initiatives across projects.

In this role, you will

• Design, develop, and execute test plans, test cases, and test scripts for ETL processes.
• Automate assigned areas/features using the existing Framework and provide the test estimations, build automation scripts using Python & Unix.
• Develop Python scripts to automate data validation and transformation tasks.
• Develop automated test scripts using SQL, Python, or other testing frameworks.
• Utilize SQL or any database querying language to compare, manage and manipulate data efficiently.
• Perform data quality checks and identify anomalies across multiple sources.
• Write optimized SQL queries and stored procedures for data extraction, transformation, and loading.
• Validate data mappings and transformations to ensure they meet business requirements.

Required skills

  • Overall 7-10 years of overall testing experience with focus on ETL/Data Testing projects in the banking domain.
  • Minimum 3 years of experience in automated testing with Python.
  • 2+ years of hands on experience in UNIX. Strong knowledge and expertise of Unix / Linux commands and scripting including file operations, manipulation and compare.
  • Must have good experience with SQL database and writing complex SQL queries.
  • Must have strong ETL process/SQL, ORACLE, Hive complex query writing skills.
  • 3+ years of hands on experience in SQL. Should be able to write complex joins, unions, case and aggregations. Ability to compare large datasets using SQL, Python.
  • Strong understanding the database concepts (indexes, constrains, normalization).
  • Experience in a variety of test automation frameworks/tools e.g., (Cucumber, Robot Framework, SoapUI, Selenium, TestNG) and script development using Python.
  • Proficient with Quality processes, test deliverables, defining Test Strategies, Test Plans and evaluating Risk Coverage.

Preferred skills

  • Experience in the banking domain is a plus.
  • Experience with AI/ML-powered testing tools and techniques.
  • Cloud platform experience (AWS, Azure, GCP).
  • Experience with Linux and shell scripting.

We're eager to meet people who share our mission and can make an impact in various ways. Don't hesitate to apply, even if you only meet the required skills listed. Your transferable skills and experiences matter—help us see how you the right person for this role.

Total compensation:

We regularly assess market data to ensure we offer a competitive compensation package for our associates. The base salary for this position ranges between CAD 70,000 – 90,000 per year. Where the successful candidate may fall within the range depends on relevant education, work and/or management experience and other business-related and job-necessary qualifications. This position is also eligible for Cognizant’s discretionary annual performance-based bonus, as well as benefits that support your physical, mental and financial wellbeing.

Working arrangements

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 4 days a week in a client or Cognizant office in Toronto, ON. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

Cognizant will only consider applicants for this position who are legally authorized to work in Canada without requiring employer sponsorship, now or at any time in the future.

Applications for this position are reviewed by our recruitment team without the use of artificial intelligence screening tools.


La Comunidad Cognizant:
Somos un equipo que se aprecia y apoya mutuamente. Nuestros asociados trabajan en un entorno colaborativo e integrador en el que todos pueden prosperar.

  • Cognizant es una comunidad global con más de 300.000+ asociados en todo el mundo.
  • No solo soñamos con un mundo mejor, sino que trabajamos para hacerlo realidad.
  • Cuidamos de nuestros asociados, clientes, socios, comunidades y entorno haciendo lo correcto.
  • Fomentamos un entorno innovador en el que puedes desarrollar tu carrera profesional.

Acerca de nosotros
Cognizant (NASDAQ: CTSH) es arquitecto de soluciones de IA y proveedor de servicios tecnológicos que traduce la inversión en inteligencia artificial en valor empresarial real mediante soluciones de IA de stack completo adaptadas a cada cliente. Su profundo conocimiento de la industria, los procesos y la ingeniería le permite integrar el contexto único de cada organización en sistemas tecnológicos que amplifican el potencial humano, generan un impacto real en el negocio y mantienen a las grandes empresas globales un paso adelante en un mundo en constante cambio. Para más información, visita www.cognizant.es o síguenos en @cognizant.

Cognizant es un empleador que ofrece igualdad de oportunidades. Tu solicitud y candidatura no serán consideradas en base a raza, color, sexo, religión, credo, orientación sexual, identidad de género, origen nacional, discapacidad, información genética, embarazo, condición de veterano o cualquier otra característica protegida por las leyes federales, estatales o locales.

Advertencia: 
La información sobre remuneración es exacta a la fecha de esta publicación. Cognizant se reserva el derecho a modificar esta información en cualquier momento, sujeto a la legislación aplicable.Es posible que los candidatos deban asistir a entrevistas en persona o por videoconferencia e, incluso, que tengan presentar su documento de identidad vigente, durante cada entrevista.

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