RYZ Labs is looking for a Staff Software Engineer (Elixir) to join one of our client’s teams in the sports merchandising industry
We’re looking for a Staff Software Engineer to work across the client’s card technology platform and help connect multiple product and engineering domains. This is a hands-on role focused on building, evolving, and maintaining large-scale systems while driving technical decisions, improving engineering practices, and helping teams work more effectively.
Basic Qualifications:
• 10+ years of professional software engineering experience.
• Strong proficiency in Elixir and functional programming concepts.
• Proven experience building and maintaining production applications with Elixir and Phoenix.
• Experience owning and evolving large systems spanning multiple services, repositories, and teams.
• Strong understanding of software architecture and experience driving technical decisions across teams.
• Experience with Phoenix LiveView is strongly preferred.
• Strong PostgreSQL knowledge, including query optimization and performance tuning.




• Experience building data ingestion pipelines or ETL processes, particularly from third-party data sources.
• Experience with event-driven architectures, message queues, and cross-service data consistency.
• Strong problem-solving and debugging skills, particularly with complex, numerical, or data-intensive systems.
• Experience working with Git, code reviews, automated testing, and collaborative development practices.
• Excellent written and verbal communication skills, with the ability to influence technical direction across teams.
• Experience working effectively in highly autonomous and primarily remote environments.
What makes you stand out:
• Experience with AWS services such as SQS/SNS, S3, Athena, or Glue.
• Experience deploying and operating services on Kubernetes/EKS.
• Experience with event sourcing, CQRS, or schema-versioned events such as Protobuf or Avro.
• Experience building systems from scra

📌 Staff Software Engineer (Argentina)
🏢 Ryz Labs
📍 Argentina