Java Dev/SDET (Java, AWS)

TL;DR

Java Dev/SDET (Java, AWS): Building and optimizing high-volume data repair and correction pipelines for a global nonprofit family history platform with an accent on data integrity, distributed systems, and scalability. Focus on investigating complex data-quality issues, designing idempotent repair workflows, and optimizing system performance and memory usage.

Location: Remote (Latin America)

Company

hirify.global is a talent network that connects top-performing engineers from Latin America with global organizations building long-term products.

What you will do

• 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 including 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.
• Must be based in Latin America

Nice to have

• 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.

Culture & Benefits

• 100% remote work on long-term projects.
• Payment in USD.
• Paid Time Off (PTO).
• Work-from-home and training reimbursement.
• English lessons, technical training, and career coaching.