Senior Ruby on Rails Developer

As a Senior Ruby on Rails Developer at LXT, an emerging leader in AI training data for global organizations, you will play a crucial role in developing and extending the crowdsourcing platform. Your responsibilities will include optimizing backend components, implementing best practices, and collaborating closely with a distributed team. Your strong experience in Ruby on Rails development, test-driven development (TDD), and working with messaging systems like RabbitMQ will be essential for this role. Responsibilities: - Develop and enhance the 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 Technical Stack: - Backend: Ruby, Rails (6.x & 7.x) - Frontend: JavaScript, Bootstrap - Databases: MySQL, MongoDB - Infrastructure & DevOps: AWS (including serverless), RabbitMQ, Capistrano, HAProxy, Monit, Docker - Messaging & Queues: RabbitMQ, experience with message-based architecture - Testing: RSpec, Capybara (FactoryBot & TDD tools) - Version Control: GitHub Additional Information: LXT measures its success as a business not only by delivering great products and services, continually increasing assets under administration and market share, but also by positively impacting people, society, and the planet.,