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Senior Ruby on Rails Developer

SOFTSWISS
Warszawa, Poland, Polandfull_timeVerifiedPosted 18 Mar 2025

About the role

<h2>Overview:</h2><p>SOFTSWISS continues to expand the team and is looking for a Ruby on Rails Developer with 4+ years of commercial experience. We need a true, experienced, and accomplished professional who shares our culture and values.</p><h2>About Product:</h2><p><strong>SOFTSWISS Casino Platform</strong><br/>Full-service modular software platform to manage online casino operations</p><p><a href="https://www.softswiss.com/casino-platform/" target="_blank">Learn More</a></p><h2>Key responsibilities:</h2><ul> <li>Participate in the whole development process from backlog refinement and testing to launching product features and technical improvements</li> <li>Build and maintain application architecture</li> <li>Review, maintain and refactor existing code to meet the requirements for improvements and new features</li> <li>Investigate and implement new technologies</li> </ul><h2>Also, you will be able:</h2><ul> <li>Take part in a mentoring program</li> <li>Take part in job interviews and contribute to our team growth</li> <li>Contribute to internal knowledge base and development processes</li> </ul><h2>Our stack:</h2><ul> <li>Backend: Ruby on Rails, PostgreSQL, Kafka, RabbitMQ, Sidekiq, Redis, WebSockets</li> <li>Technologies and Tools: Docker, K8S, MinIO, Vault, Swagger, Dry-rb, Jenkins, GitLab CI/CD</li> <li>Monitoring: Datadog, Zabbix, Sentry, Kibana</li> </ul><h2>Requirements:</h2><ul> <li>Advanced Ruby programming skills</li> <li>Strong knowledge in internal relational databases</li> <li>Deep knowledge of SQL</li> <li>Algorithms and data structures knowledge (deep understanding of CS concepts such as data structures, OOP, and algorithms)</li> <li>Excellent debugging, analytical, problem-solving skills</li> <li>English level: Intermediate and higher</li> </ul><h2>Nice to have:</h2><ul> <li>Understanding of Ruby on Rails key concepts</li> <li>Event streaming systems and message brokers experience</li> <li>Experience in database and application performance improvement (Hands-on experience in tuning solutions to improve performance)</li> <li>Writing specs with RSpec</li> <li>Knowledge of caching techniques</li> </ul>

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SOFTSWISS

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