Job Summary: Valtx is seeking a QA Backend professional with experience in ETL testing, API and service automation, and strong SQL skills for data validation. Key Highlights: 1. Opportunity for horizontal or vertical career path 2. Ongoing training 3. We promote diversity and inclusion At Valtx, a leading information technology company with over 25 years of market experience, we are looking for top talent for the following vacancy: QA Backend. Requirements: * ETL workflow testing (extraction, transformation, and loading) * API and service automation * Knowledge of JSON and XML validation; HTTP status code, header, token, and authentication validation * Understanding of data modeling, schemas, and transformations; validation of data integrity and consistency * API testing tools such as Insomnia, Postman, SoapUI * Strong SQL knowledge for data validation, reconciliation, and development of test queries (writing complex queries, joins, subqueries, aggregations; validating data in staging and production tables; comparing datasets (before/after ETL)) * Strong time management skills with ability to handle multiple test cycles * Knowledge of agile methodologies: Scrum, Kanban * Test management tools: JIRA, Xray, TestRail, Zephyr * Experience with the following Core Banking modules: Accounting, Credit, Liabilities, or Regulatory * 4+ years of experience in API and batch process (ETL) testing on AWS Benefits: * Market-competitive salary * Biweekly and timely payments * Opportunity for horizontal or vertical career path * Ongoing training * 40% coverage of EPS (health insurance) Valtx believes in equal opportunities for women and men; therefore, we promote generational, ethnic, and national diversity, as well as inclusion of individuals with different abilities and/or disabilities (in accordance with Law No. 29973) Are you interested in joining our team? Apply now! Employment Type: Full-time, Contract-based Salary: S/.5,000.00 – S/.5,500.00 per month Application Questions: * Are you willing to work in San Isidro? * How many years of experience do you have in API and service automation? * How many years have you worked on batch processes (ETL) on AWS? * Please indicate your salary expectations Work Location: On-site employment