{"id":3241603,"url":"https://alion.io/job/tata-consultancy-services-senior-etl-tester-developer","title":"Senior ETL Tester Developer","company":{"id":222,"name":"Tata Consultancy Services","domain":"tcs.com","url":"https://alion.io/company/tata-consultancy-services","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":{"grade":"A","score":100,"open_postings":231,"ghost_share":0,"stale_share":0,"repost_share":0.009,"time_to_fill_p50_days":2,"computed_at":"2026-10-27T05:46:45Z"}},"role":"QA","role_family":"QA","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Toronto, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":55000,"max_usd":97000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":49},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ETL/ELT","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-10-25T16:23:36Z","employer_posted_date":"2026-10-25","last_verified_at":"2026-10-27T21:55:44Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Role: Developer. Skills: ETL Testing. Experience: 8 - 12 Years\nInclusion without Exception\nTata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes.\nTCS has been serving the Canadian marketplace for more than 35 years and today is the technology partner of choice for many of the country's leading organizations. As one of the largest IT services providers in Canada and globally, TCS is aiming to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence.\nRooted in the heritage and values of the Tata Group, TCS is focused on creating long-term value for its clients, investors, employees, and the communities it serves. With a highly skilled workforce supporting customers from coast to coast, TCS has consistently been recognized as a Top Employer by the Top Employers Institute, including a recent top ranking at the country level.\nTCS also sponsors 14 of the world's most prestigious marathons and endurance events, including the TCS Toronto Waterfront Marathon, reflecting its commitment to health, sustainability, and community empowerment.\nSenior ETL Tester\nJob Description\nRequired Skills & Responsibilities\nExperience in testing applications and ETL data pipelines.\nAnalyze requirements and prepare test cases for data integration, data ingestion, and complex transformation processes.\nPrepare and analyze test data for ETL testing.\nUnderstand ETL mappings and validate successful completion of jobs and job flows by comparing reference datasets with result datasets.\nStrong experience analyzing and comparing various data formats, including flat files and database tables.\nExperience writing SQL queries to perform data comparison and validation.\nExperience with HP ALM and JIRA.\nTata Consultancy Services Canada Inc. is committed to meeting the accessibility needs of all individuals in accordance with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code (OHRC). Should you require accommodation during the recruitment and selection process, please inform Human Resources.\nThank you for your interest in TCS. Candidates that meet the qualifications for this position will be contacted within a 2-week period. 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