Senior Java Developer

Responsibilities

• Investigate, diagnose, and resolve data-quality issues in large-scale backend systems
• Design and implement Java-based repair and correction pipelines for high-volume datasets
• Debug and fix issues in existing Java codebases supporting distributed systems
• Build safe, idempotent jobs to correct data without introducing regressions
• Leverage AWS services such as S3, SQS, and Lambda to support queue-driven and batch workflows
• Analyze system behavior related to performance, concurrency, and memory usage

Requirements

• 6+ years of professional experience developing Java in large-scale backend systems
• Strong debugging, triage, and data analysis skills
• Experience working with distributed systems and high-volume processing pipelines
• Hands-on experience with AWS (S3, SQS, Lambda)
• Solid understanding of performance optimization, concurrency, and memory-efficient design patterns
• Ability to design reliable, repeatable data repair workflows

Preferred Qualifications

• Experience working with genealogical, historical, or highly interrelated datasets
• Familiarity with queue-driven architectures and event-based processing
• Experience improving data integrity in legacy or long-lived systems

Benefits

• Long-term projects
• 100% remote work
• Payment in USD
• Paid Time Off (PTO)
• Work-from-home and training reimbursement
• English lessons and technical training
• Career coaching

About the Company

South Geeks connects top-performing engineers from Latin America with global organizations building meaningful, long-term products, focusing on high-impact work and strong technical environments.