Senior Ruby on Rails Developer

LXT

full-time

Posted on: 9/21/2025

Origin: • 🇷🇴 Romania

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Senior

AWSDockerHAProxyLinuxMySQLRabbitMQRSpecRuby on RailsUnix

About the role

Develop and enhance LXT's crowdsourcing platform using Rails 6.x and 7.x
Apply test-driven development (TDD) best practices to ensure high-quality and maintainable code
Optimize, refactor, and develop backend components while researching and implementing best practices
Deliver across the full development stack, focusing on backend development while maintaining an understanding of frontend technologies
Work with RabbitMQ and other messaging systems to implement event-driven architecture
Collaborate closely with a remote team based in Germany and Ukraine
Contribute to infrastructure and DevOps tasks including Docker, AWS serverless components, HAProxy, and monitoring tools

5+ years of software development experience, with at least 3 years focused on Rails
Strong experience with MySQL or other relational databases
Deep understanding of RSpec, including FactoryBot and TDD methodologies
Hands-on experience with RabbitMQ and event-driven architecture
Proficiency in Unix/Linux environments
Familiarity with Agile methodologies (Scrum, Kanban)
Experience working in startup environments and scaling applications
Hands-on experience with frontend development is a plus
Knowledge of HAProxy, Monit, and infrastructure monitoring tools
Experience with Docker and containerized deployments
Ability to create and maintain AWS Lambda functions
Familiarity with AWS Rekognition or other AWS AI/ML services
Strong problem-solving mindset and ability to work independently
Team-oriented, collaborative, and excellent communication skills
Excellent English communication skills, both written and verbal
Candidates must be based in Romania