Mactores

Mactores is seeking a highly skilled and innovative Spark Engineer to design, develop, optimize, and operationalize high-performance data pipelines and applications using Apache Spark. This role requires hands-on expertise in distributed data processing, ETL engineering, performance tuning, and cluster management.

Support the growing Sales and Marketing teams by researching and enriching lead data, managing CRM hygiene, and building automation workflows. Collaborate with Sales, Marketing, and Growth teams to ensure high-quality data, effective outreach processes, and efficient pipeline operations. This internship is ideal for someone who is highly organized, tech-savvy, and eager to learn modern sales tools.

Participate in the migration project from Oracle to PostgreSQL as a Software Engineer with proficiency in Java, Spring, and Hibernate. Analyze and remediate large enterprise Java codebases, convert embedded SQL, refactor Java transaction logic, and support application cutover activities. Work across distributed teams and produce engineering documentation.