**Required Qualifications** Solid knowledge of JavaScript and React applied to business applications. Practical experience in developing and maintaining REST APIs, including authentication, input validation, and error handling. Proficiency in SQL for querying and validation, and familiarity with Git in daily workflows, including pull requests. Linux fundamentals for working with environments, executing and analyzing logs. **Preferred Qualifications** Experience with CI/CD and deployment automation. Familiarity with observability, including structured logging and basic metrics. Basic understanding of web application security. Hands-on experience with PostgreSQL in production, including indexing and performance analysis. Experience building batch and incremental data pipelines. Familiarity with low-code platforms and BPMS tools such as Sydle, Mendix, Lecom, Creatio, Pipefy, or others. Employment Type: Full-time CLT, Freelance / PJ Benefits: * Health insurance * Dental insurance * Commercial partnerships and discounts * Meal allowance * Transportation allowance Education: * Bachelor’s degree (preferred)