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Senior/Middle Ruby on Rails Developer (Remote) at Alex Staff Agency. About the company and the project:. A leading U.S.-based edtech company is looking for a . Middle Ruby on Rails Developer . to join their fully remote team.. Their platform helps educational institutions manage and distribute digital learning materials — from e-textbooks to interactive courseware. The company is known for its . advanced e-reader, AI-powered study tools. , and . seamless integrations . with major learning management systems. Their solutions are used by thousands of schools and universities, helping students save over $160 million on textbooks and other materials.. The team has a strong engineering culture and very low turnover — many developers have been with the company for years. You’ll be joining a stable, collaborative, and impact-driven environment where your work will directly support modern education.. Your tasks on the position:. . Participation in all aspects of the application development life cycle, including specifications, prototypes, development, quality assurance, deployment and operations. . Development and modification of internal and external software as part of a team of engineers. . Checking work in practice and using automated tests. . Supporting the day-to-day work of the team, troubleshooting and resolving issues as they arise. . . 3+ years of experience with Ruby on Rails. . 3+ years of application and API development experience. . Experience with MySQL or other relational databases. . Experience with Git or other source code control systems. . Working hours: 12:00–20:00 (GMT+2, Kyiv time). . B2B cooperation is mandatory. . Ukrainian/Russian C1+. . English B2+. . Will be an advantage:. Knowledge of modern web development technologies: PHP, JavaScript, web services (REST), MySQL. Company Location: Poland.