Senior Ruby Software Engineer

Job Description This is a remote position. We're looking for an experienced Ruby Software Engineer to help shape and evolve a large-scale online learning platform used by millions of learners worldwide. In this role, you'll work across the full software development lifecycle - from discussing new ideas and designing solutions to implementation, deployment, and ongoing improvements. You'll collaborate closely with engineers and cross-functional stakeholders while contributing to architecture, product quality, and engineering best practices. This is a hands-on engineering role with plenty of ownership, modern cloud infrastructure, frequent deployments, and a strong engineering culture focused on quality and continuous improvement. Responsibilities Design, develop, and maintain scalable web applications ; Take ownership of features throughout their lifecycle, from initial concept to production release ; Work closely with engineers and product stakeholders to deliver valuable product improvements ; Improve application performance, reliability, and scalability ; Write and maintain automated tests to ensure high code quality ; Participate in architectural discussions and technical decision-making ; Review code and promote engineering best practices across the team ; In vestigate and resolve production issues ; Explore AI-powered development tools to improve engineering efficiency and delivery. Requirements Strong commercial experience developing large-scale web applications ; Solid Ruby development experience ; Experience with Rails and modern frontend technologies such as JavaScript, React, TypeScript, GraphQL, or Next.js ; Strong understanding of software design principles, clean code, and testing practices ; Experience working with AWS, Terraform, and CI/CD pipelines using GitHub Actions ; Ability to balance fast delivery with maintainable, high-quality solutions ; Interest in or experience using AI-assisted development tools ; Upper-Intermediate (B2+) or higher English proficiency, with confidence communicating daily with international teams in both spoken and written English ; Nice to have Experience working on EdTech, LMS, LXP, or MOOC platforms ; Familiarity with LTI, SCORM, or xAPI standards ; E xposure to LLM integrations or AI-driven engineering solutions. Benefits Working with us is about: A motivated and highly professional team to work with; Work in a modern business center, just a five-minute walk from the subway, or remotely; Working hours 11:00 - 20:00 GMT+3; Program of corporate discounts; Corporate events to foster a team spirit;