Senior Ruby on Rails Developer

LxT

Responsibilities:

• Develop and enhance our 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

Qualifications:

• 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
• Passion for clean, maintainable code and following best practices
• Excellent English communication skills, both written and verbal