Mobile Developer (React Native)

Our company continues to grow actively, so we're currently seeking an Mobile Developer (React Native) to join our newly established outsourcing team. This role involves developing a new direction within the company and collaborating with clients of various sizes and industries, including Kyivstar, to deliver software development services tailored to their specific requirements.
 
About us
Kyivstar.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.

Our 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.
 
Over 500+ 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.
 
We 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.

What you will do

    • Develop high-quality mobile applications using React Native.
    • Collaborate with the existing development team to meet project requirements and deadlines.
    • Participate in code reviews, debugging, and troubleshooting to ensure optimal performance.
    • Implement new features and functionality based on project specifications.
    • Maintain code integrity and ensure proper documentation of the codebase.
    • Conduct thorough testing and debugging of applications to deliver high-quality, bug-free software.
    • Stay up-to-date with industry trends and emerging technologies to continuously enhance your skills.

Qualifications and experience needed

    • Extensive experience with React Native and mobile application development (5+ years of professional experience).
    • Experience in creating interactive and performant mobile UIs with React Native.
    • Knowledge of native iOS/Android development, including bridging between React Native and native code.
    • Experience with state management using Redux, Flux, or MobX.
    • Fluent knowledge of Git and related platforms.
    • Strong understanding and application of SOLID principles and software design patterns.
    • Expertise in the design principles of distributed applications.
    • Understanding and application of REST and SOA concepts.
    • Knowledge of ES6/ES7 standards.
    • Understanding of CI/CD principles and tools.
    • Comprehension of OOP and design patterns.
    • Upper-intermediate English proficiency.

A plus would be

    • Proven expertise in high-load projects on both Android and iOS platforms.
    • Skilled in managing cloud-based (AWS, Google Cloud, Azure, etc.) and in-house server infrastructure.
    • Proficiency with Docker containers.
    • Familiarity with Unix-based OS.

What we offer

    • Office or remote – it’s up to you. You can work from anywhere, and we will arrange your workplace.
    • Remote onboarding.
    • Performance bonuses for everyone (annual or quarterly — depends on the role).
    • We train employees: with the opportunity to learn through the company’s library, internal resources, and programs from partners. 
    • Health and life insurance.
    • Wellbeing program and corporate psychologist.
    • Reimbursement of expenses for Kyivstar mobile communication.

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