Senior Java Developer
- Role
- Backend
- Experience
- Senior
- Employment
- Full-time
Open to Anywhere in LATAM. Set where you work from to check your eligibility.
No BS summary
We are seeking a Senior Software Engineer (Java) who combines strong backend engineering skills with a deep interest in data quality and large-scale data correction. This is a highly technical position focused on investigating data issues, debugging complex systems, and writing substantial Java code to repair and improve massive datasets.
Core skills
Required skills
Required languages
Hi there :)
Thanks for checking in to find out about our open position. We´ll provide as much information as possible, but please feel free to reach us if you have further questions. We´ll be happy to see your application, even if there are skills you don't quite master!
ABOUT US
At South Geeks, we connect top-performing engineers from Latin America with global organizations building meaningful, long-term products. We focus on high-impact work, strong technical environments, and creating spaces where professionals can grow, contribute, and thrive.
ABOUT THE CLIENT
Our client is a global nonprofit technology organization dedicated to helping people discover, preserve, and connect family history data. They operate large-scale, cloud-based platforms used by millions worldwide, where data accuracy, integrity, and reliability are critical to the mission.
ABOUT THE ROLE
We are seeking a Senior Software Engineer (Java) who combines strong backend engineering skills with a deep interest in data quality and large-scale data correction. This is a highly technical position focused on investigating data issues, debugging complex systems, and writing substantial Java code to repair and improve massive datasets.
You’ll work in an iterative, fast-moving environment, diagnosing issues across distributed systems, building safe and repeatable repair workflows, and ensuring data correctness across millions of records.
KEY 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.
- Clearly communicate findings, risks, and recommendations to technical and non-technical stakeholders.
REQUIRED SKILLS & EXPERIENCE
- 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, including services such as S3, SQS, and Lambda.
- Solid understanding of performance optimization, concurrency, and memory-efficient design patterns.
- Ability to design reliable, repeatable data repair workflows.
- Comfort operating in ambiguous, evolving problem spaces and deriving practical solutions.
- Strong communication skills, with the ability to summarize complex technical findings clearly.
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.
OUR TEAM
We strive to create an inspiring and growth-oriented environment where everyone feels valued, heard, and empowered. We promote both personal and professional development, with individualized support for your needs and goals. We aim to build a space where everyone can thrive.
WHAT WE OFFER
- Long-term projects
- 100% remote work
- Payment in USD
- Paid Time Off (PTO)
- Work-from-home & training reimbursement
- English lessons
- Technical training
- Career coaching
What you'll 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 (such as S3, SQS, and Lambda) to support queue-driven and batch workflows.
What they require
- 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, including services such as S3, SQS, and Lambda.
- Solid understanding of performance optimization, concurrency, and memory-efficient design patterns.
Benefits
- Long-term projects
- 100% remote work
- Payment in USD
- Paid Time Off (PTO)
- Work-from-home & training reimbursement
South Geeks connects elite, AI-fluent engineers from Latin America with future-shaping companies in Health and Wealth.