{"schemaVersion":"jobsearcher.job.v1","id":"28deef85863ee763bdf4b29a","url":"https://jobsearcher.com/jobs/28deef85863ee763bdf4b29a","canonicalUrl":"https://jobsearcher.com/jobs/28deef85863ee763bdf4b29a","title":"Ruby on Rails Developer","description":"Kronia is looking for a Full Stack Ruby, Ruby on Rails, and React Developer with proven experience building end-to-end web applications that are scalable, maintainable, and user-centric. The ideal candidate is a hands-on engineer with deep expertise in Ruby on Rails for backend development and React for modern, dynamic frontends . This role requires strong collaboration with cross-functional teams, including product managers, designers, and DevOps engineers, to deliver robust APIs, intuitive user interfaces, and full-featured applications that drive critical business outcomes. The candidate should follow best practices in clean code, testing, and agile development while contributing across the entire development lifecycle.\r\nYou'll be doing:\r\nDesign, build, and maintain reliable Ruby on Rails applications and APIs.\r\nWrite clean, maintainable, and well-tested code, following industry best practices and design patterns.\r\nCollaborate with product and engineering teams to understand requirements and translate them into scalable backend solutions.\r\nMaintain and optimize PostgreSQL or similar relational databases, ensuring performance and data integrity.\r\nBuild and manage background jobs and asynchronous processing (e.g., Sidekiq).\r\nWrite and maintain unit, integration, and end-to-end tests to ensure code quality and prevent regressions.\r\nParticipate in code reviews and support continuous improvement of engineering processes.\r\nContribute to CI/CD pipelines and deployment processes.\r\nThe skills you bring\r\n5+ years of experience developing production applications with Ruby on Rails.\r\nStrong experience working with PostgreSQL or other relational databases.\r\nFamiliarity with RESTful APIs, background jobs, and asynchronous task processing tools like Sidekiq.\r\nSolid understanding of MVC architecture, OOP principles, and clean coding practices.\r\nExperience with testing frameworks (e.g., RSpec, Capybara) and a test-driven development mindset.\r\nProficiency with version control using Git and collaborative workflows (e.g., pull requests, code reviews).\r\nExperience working in Agile teams with fast-paced iterations and regular deployments.\r\nStrong communication skills and ability to work effectively with distributed teams.\r\nWork Schedule & Location:\r\nLocation : This is a fully remote position open to candidates based in Poland or Mexico. Candidates must be legally authorized to work in their respective countries.\r\nWork Schedule: Full-time role based on a standard 40-hour workweek, Monday to Friday.\r\n* In Poland: Working hours are typically between 8:00 AM – 4:00 PM CET or 9:00 AM – 5:00 PM CET, depending on team alignment.\r\n* In Mexico: Working hours follow Central Time (CT), aligned with U.S. business hours.\r\nTime Zone & Collaboration: While the role operates primarily in EU and U.S. time zones, some flexibility is expected for meetings involving both regions. Meetings with U.S.-based teams typically occur during morning U.S. hours (afternoon CET / late morning CT) to enable global collaboration.\r\nFlexibility may be offered, but core availability within local business hours is required to ensure team alignment and productivity.\r\nAdditional Information\r\nAt Kronia , we believe in building more than just careers; we build experiences that empower people to grow, shine, and do meaningful work.\r\nWe offer a mix of growth opportunities, flexibility, cultural connection, and purpose because we know that when our people thrive, so do our solutions.\r\nYou'll find:\r\nA remote-friendly culture that values trust and accountability, giving you the space to work how you work best.\r\nA team that celebrates diversity, creativity, and shared success.\r\nOpportunities to grow professionally through real challenges, close mentorship, and exposure to international projects.\r\nA leadership style that is transparent, agile, and human, we care about your voice and your career journey.\r\nA high-retention environment, where people stay and grow with us.\r\nOur Mission\r\nTo drive digital transformation through tailored, high-impact technology solutions while building a global community where people feel seen, heard, and valued.\r\nWe thrive by\r\nExcellence & Innovation: We don't just deliver, we challenge, imagine, and build smarter.\r\nCollaboration & Trust: We work closely with each other and with our clients. We show up, we listen, and we co-create.\r\nLong-Term Relationships: With our client, team, or a partnership, we're in it for the long run.\r\nAgility with Purpose: Our startup culture makes us agile, adaptable, and bold.\r\nGlobal Culture: We embrace diversity in everything we do.\r\nBeyond the Job Description\r\nAt Kronia , we know it's rare for someone to meet 100% of the requirements listed in a job posting.What truly matters to us is your mindset, your willingness to learn, and your drive to grow.\r\nIf you check off most of the key boxes and feel excited about the opportunity to develop alongside a team that genuinely has your back, we'd love to meet you.\r\nWe're building something meaningful, and you might be the next great addition to our journey.\r\nApply for the job! Find your best work-life experience while enjoying access to the fast growing community of IT professionals living the future of work today.\r\nUnleash your tech career's full potential with Kronia.\r\nJ-18808-Ljbffr","company":"Kronia Technologies","rawCompany":"kronia technologies","city":"Bel Air","state":"MD","isRemote":false,"isActive":false,"createdAt":"2026-04-09T09:02:05.654Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Ruby on Rails Developer","description":"Kronia is looking for a Full Stack Ruby, Ruby on Rails, and React Developer with proven experience building end-to-end web applications that are scalable, maintainable, and user-centric. The ideal candidate is a hands-on engineer with deep expertise in Ruby on Rails for backend development and React for modern, dynamic frontends . This role requires strong collaboration with cross-functional teams, including product managers, designers, and DevOps engineers, to deliver robust APIs, intuitive user interfaces, and full-featured applications that drive critical business outcomes. The candidate should follow best practices in clean code, testing, and agile development while contributing across the entire development lifecycle.\r\nYou'll be doing:\r\nDesign, build, and maintain reliable Ruby on Rails applications and APIs.\r\nWrite clean, maintainable, and well-tested code, following industry best practices and design patterns.\r\nCollaborate with product and engineering teams to understand requirements and translate them into scalable backend solutions.\r\nMaintain and optimize PostgreSQL or similar relational databases, ensuring performance and data integrity.\r\nBuild and manage background jobs and asynchronous processing (e.g., Sidekiq).\r\nWrite and maintain unit, integration, and end-to-end tests to ensure code quality and prevent regressions.\r\nParticipate in code reviews and support continuous improvement of engineering processes.\r\nContribute to CI/CD pipelines and deployment processes.\r\nThe skills you bring\r\n5+ years of experience developing production applications with Ruby on Rails.\r\nStrong experience working with PostgreSQL or other relational databases.\r\nFamiliarity with RESTful APIs, background jobs, and asynchronous task processing tools like Sidekiq.\r\nSolid understanding of MVC architecture, OOP principles, and clean coding practices.\r\nExperience with testing frameworks (e.g., RSpec, Capybara) and a test-driven development mindset.\r\nProficiency with version control using Git and collaborative workflows (e.g., pull requests, code reviews).\r\nExperience working in Agile teams with fast-paced iterations and regular deployments.\r\nStrong communication skills and ability to work effectively with distributed teams.\r\nWork Schedule & Location:\r\nLocation : This is a fully remote position open to candidates based in Poland or Mexico. Candidates must be legally authorized to work in their respective countries.\r\nWork Schedule: Full-time role based on a standard 40-hour workweek, Monday to Friday.\r\n* In Poland: Working hours are typically between 8:00 AM – 4:00 PM CET or 9:00 AM – 5:00 PM CET, depending on team alignment.\r\n* In Mexico: Working hours follow Central Time (CT), aligned with U.S. business hours.\r\nTime Zone & Collaboration: While the role operates primarily in EU and U.S. time zones, some flexibility is expected for meetings involving both regions. Meetings with U.S.-based teams typically occur during morning U.S. hours (afternoon CET / late morning CT) to enable global collaboration.\r\nFlexibility may be offered, but core availability within local business hours is required to ensure team alignment and productivity.\r\nAdditional Information\r\nAt Kronia , we believe in building more than just careers; we build experiences that empower people to grow, shine, and do meaningful work.\r\nWe offer a mix of growth opportunities, flexibility, cultural connection, and purpose because we know that when our people thrive, so do our solutions.\r\nYou'll find:\r\nA remote-friendly culture that values trust and accountability, giving you the space to work how you work best.\r\nA team that celebrates diversity, creativity, and shared success.\r\nOpportunities to grow professionally through real challenges, close mentorship, and exposure to international projects.\r\nA leadership style that is transparent, agile, and human, we care about your voice and your career journey.\r\nA high-retention environment, where people stay and grow with us.\r\nOur Mission\r\nTo drive digital transformation through tailored, high-impact technology solutions while building a global community where people feel seen, heard, and valued.\r\nWe thrive by\r\nExcellence & Innovation: We don't just deliver, we challenge, imagine, and build smarter.\r\nCollaboration & Trust: We work closely with each other and with our clients. We show up, we listen, and we co-create.\r\nLong-Term Relationships: With our client, team, or a partnership, we're in it for the long run.\r\nAgility with Purpose: Our startup culture makes us agile, adaptable, and bold.\r\nGlobal Culture: We embrace diversity in everything we do.\r\nBeyond the Job Description\r\nAt Kronia , we know it's rare for someone to meet 100% of the requirements listed in a job posting.What truly matters to us is your mindset, your willingness to learn, and your drive to grow.\r\nIf you check off most of the key boxes and feel excited about the opportunity to develop alongside a team that genuinely has your back, we'd love to meet you.\r\nWe're building something meaningful, and you might be the next great addition to our journey.\r\nApply for the job! Find your best work-life experience while enjoying access to the fast growing community of IT professionals living the future of work today.\r\nUnleash your tech career's full potential with Kronia.\r\nJ-18808-Ljbffr","datePosted":"2026-04-09T09:02:05.654Z","dateModified":"2026-04-09T09:02:05.654Z","hiringOrganization":{"@type":"Organization","name":"Kronia Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Bel Air","addressRegion":"MD","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"28deef85863ee763bdf4b29a"},"url":"https://jobsearcher.com/jobs/28deef85863ee763bdf4b29a"}}