Staff Elixir Engineer - Scale Large Systems & Mentor Teams

Ryz Labs; Argentina; A distancia; ARS 1.800.000 - 3.600.000; Jornada completa

Descripción de la vacante

RYZ Labs is seeking a Staff Software Engineer (Elixir) to join one of our client’s teams in the sports merchandising domain. This role focuses on building, evolving, and maintaining large-scale systems while driving technical decisions and improving engineering practices.

The position involves hands-on leadership across multiple services and data pipelines, with emphasis on Elixir, Phoenix, and live data processing in a remote-friendly environment.

Formación

• 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.

Responsabilidades

• Owning and evolving complex systems that span multiple teams, services, and repositories.
• Driving architecture discussions and facilitating high-impact technical decisions.
• Designing, implementing, testing, deploying, and maintaining production systems.
• Conducting thorough, high-volume code reviews across repositories to ensure quality, share context, and unblock teams.
• Pairing with and mentoring engineers across teams to improve technical capabilities and productivity.
• Diagnosing and resolving complex production issues, including algorithmic and data-correctness problems.
• Building and maintaining data ingestion pipelines, event-driven services, and cross-service infrastructure.
• Breaking down large, ambiguous, cross-team initiatives into well-sequenced projects and tasks.
• Improving shared engineering practices and infrastructure, including CI/CD, developer tooling, observability, testing, and security.
• Documenting system architecture and creating runbooks to facilitate knowledge sharing and operational excellence.
• Collaborating closely with engineering leads and business stakeholders to translate ambiguous problems into effective technical solutions.
• Building user-facing features end-to-end when needed, from data models through Phoenix LiveView interfaces.

Conocimientos

Elixir

Functional programming

Phoenix

PostgreSQL

Data ingestion pipelines

Event-driven architectures

Git & code reviews

Remote collaboration

AWS SQS/SNS

Kubernetes

Herramientas

Phoenix LiveView

Kubernetes

Descripción del empleo

RYZ Labs is seeking a Staff Software Engineer (Elixir) to join one of our client’s teams in the sports merchandising domain. This role focuses on building, evolving, and maintaining large-scale systems while driving technical decisions and improving engineering practices.

The position involves hands-on leadership across multiple services and data pipelines, with emphasis on Elixir, Phoenix, and live data processing in a remote-friendly environment.