Silver.dev

Senior Backend Engineer, Ruby on Rails

Silver.dev

full-time

Posted on:

Origin:  • 🇦🇷 Argentina

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Salary

💰 $95,000 - $105,000 per year

Job Level

Senior

Tech Stack

AWSDockerElasticSearchGoogle Cloud PlatformJavaScriptKafkaKubernetesMySQLPostgresRabbitMQRedisRSpecRubyRuby on Rails

About the role

  • Design, build, and maintain services and features using Ruby on Rails
  • Architect scalable systems that handle millions of records and high concurrency
  • Identify and resolve performance bottlenecks across database, application, and infrastructure
  • Implement background job processing (Sidekiq, Redis)
  • Write automated tests (RSpec)
  • Collaborate with the Engineering Manager and cross-functional teams to shape technical direction
  • Contribute to code reviews, documentation, and planning sessions
  • Ensure high reliability and scalability of core services

Requirements

  • 7+ years of professional development experience, including 5+ years building and maintaining production Rails applications
  • Strong database expertise (PostgreSQL or MySQL), including schema design and query optimization
  • Experience with background job frameworks and async processing
  • Proven experience designing systems for performance and scale
  • Solid understanding of modern architectural patterns (SOA, event sourcing)
  • Experience working asynchronously in fully remote teams
  • A history of multi-year tenure in recent roles
  • Working knowledge of JavaScript (nice-to-have)
  • Experience with message queues (Kafka, RabbitMQ) or search engines (Elasticsearch, Solr) (nice-to-have)
  • Familiarity with Docker, Kubernetes, AWS/GCP (nice-to-have)
  • Performance tuning in high-traffic applications (nice-to-have)