{"schemaVersion":"jobsearcher.job.v1","id":"240125487e971387dde1ebad","url":"https://jobsearcher.com/jobs/240125487e971387dde1ebad","canonicalUrl":"https://jobsearcher.com/jobs/240125487e971387dde1ebad","title":"Frontend Developer (React)","description":"Kyivstar.Techislooking for a Frontend Developer (React) tojoin our Product Development Team. The role hasall the advantagesofworking inaproduct team— versatile projects, plenty ofindependence, chance toinfluence the direction ofthe development and opportunity togrow with the role.\r\nAbout us\r\nKyivstar.Tech is a Ukrainian hybrid IT company and a resident of Diia.City. We are a subsidiary of Kyivstar, one of Ukraine's largest telecom operators.\r\nOur mission is to change lives in Ukraine and around the world by creating technological solutions and products that unleash the potential of businesses and meet users' needs.\r\nOver 600+ KS.Tech specialists work daily in various areas: mobile and web solutions, as well as design, development, support, and technical maintenance of high-performance systems and services.\r\nWe believe in innovations that truly bring quality changes and constantly challenge conventional approaches and solutions. Each of us is an adherent of entrepreneurial culture, which allows us never to stop, to evolve, and to create something new.\r\nWhat you will do\r\nCollaborate with Web Dev Team and Head of Technology in real and interesting product tasks (support 30% and development 70%)\r\nSelection and implementation of the necessary tools, technologies, and techniques\r\nDesigning and implementing of an application architecture\r\nCode review and code quality control\r\nWriting optimized code if needed\r\nQualifications and experience needed\r\nUnderstanding OOP and Functional programming design patterns\r\n3+ years of experience with development of web application\r\nProfessional experience with React JS (2+ years)\r\nExperience making interactive and performant web UIs with React JS\r\nExperience with state management using Redux / Flux\r\nStrong knowledge and experience with CSS: methodologies, tools, optimization, page rendering\r\nFluent knowledge of git and platforms (GitHub, GitLab)\r\nExperience work with hooks and using typescript architecture\r\nUnderstanding and usage REST, SOA concepts\r\nUnderstanding of ES6/ES7/ES8 standards\r\nUnderstanding of CI/CD (principles, instruments)\r\nA plus would be\r\nExperience with high load projects\r\nExperience with developing on Node.js\r\nStrong understanding| usage ofSOLID principles and software design patterns\r\nStrong understanding the design principles ofdistributed applications\r\nExperience with Docker containers\r\nAbility tosetup required development environment\r\nExperience with Linux-based OS, Bash\r\nWhat we offer\r\nOffice or remote — it's up to you: you can work from anywhere, and we will arrange your workplace\r\nRemote onboarding\r\nPerformance bonuses for everyone (annual or quarterly — depends on the role)\r\nWe train employees: with the opportunity to learn through the company's library, internal resources, and programs from partners\r\nHealth and life insurance\r\nWellbeing program and corporate psychologist\r\nReimbursement of expenses for Kyivstar mobile communication\r\nJ-18808-Ljbffr","company":"Kyivstar","rawCompany":"kyivstar","city":"Brooklyn","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-07-04T02:30:23.967Z","occupations":[{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1255.00","title":"Web and Digital Interface Designers","slug":"web-and-digital-interface-designers"}],"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":"Frontend Developer (React)","description":"Kyivstar.Techislooking for a Frontend Developer (React) tojoin our Product Development Team. The role hasall the advantagesofworking inaproduct team— versatile projects, plenty ofindependence, chance toinfluence the direction ofthe development and opportunity togrow with the role.\r\nAbout us\r\nKyivstar.Tech is a Ukrainian hybrid IT company and a resident of Diia.City. We are a subsidiary of Kyivstar, one of Ukraine's largest telecom operators.\r\nOur mission is to change lives in Ukraine and around the world by creating technological solutions and products that unleash the potential of businesses and meet users' needs.\r\nOver 600+ KS.Tech specialists work daily in various areas: mobile and web solutions, as well as design, development, support, and technical maintenance of high-performance systems and services.\r\nWe believe in innovations that truly bring quality changes and constantly challenge conventional approaches and solutions. Each of us is an adherent of entrepreneurial culture, which allows us never to stop, to evolve, and to create something new.\r\nWhat you will do\r\nCollaborate with Web Dev Team and Head of Technology in real and interesting product tasks (support 30% and development 70%)\r\nSelection and implementation of the necessary tools, technologies, and techniques\r\nDesigning and implementing of an application architecture\r\nCode review and code quality control\r\nWriting optimized code if needed\r\nQualifications and experience needed\r\nUnderstanding OOP and Functional programming design patterns\r\n3+ years of experience with development of web application\r\nProfessional experience with React JS (2+ years)\r\nExperience making interactive and performant web UIs with React JS\r\nExperience with state management using Redux / Flux\r\nStrong knowledge and experience with CSS: methodologies, tools, optimization, page rendering\r\nFluent knowledge of git and platforms (GitHub, GitLab)\r\nExperience work with hooks and using typescript architecture\r\nUnderstanding and usage REST, SOA concepts\r\nUnderstanding of ES6/ES7/ES8 standards\r\nUnderstanding of CI/CD (principles, instruments)\r\nA plus would be\r\nExperience with high load projects\r\nExperience with developing on Node.js\r\nStrong understanding| usage ofSOLID principles and software design patterns\r\nStrong understanding the design principles ofdistributed applications\r\nExperience with Docker containers\r\nAbility tosetup required development environment\r\nExperience with Linux-based OS, Bash\r\nWhat we offer\r\nOffice or remote — it's up to you: you can work from anywhere, and we will arrange your workplace\r\nRemote onboarding\r\nPerformance bonuses for everyone (annual or quarterly — depends on the role)\r\nWe train employees: with the opportunity to learn through the company's library, internal resources, and programs from partners\r\nHealth and life insurance\r\nWellbeing program and corporate psychologist\r\nReimbursement of expenses for Kyivstar mobile communication\r\nJ-18808-Ljbffr","datePosted":"2026-07-04T02:30:23.967Z","dateModified":"2026-07-04T02:30:23.967Z","hiringOrganization":{"@type":"Organization","name":"Kyivstar","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Brooklyn","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"240125487e971387dde1ebad"},"url":"https://jobsearcher.com/jobs/240125487e971387dde1ebad"}}