Oleg

OLEG KRYVAK
FRONT-END DEVELOPER

PROFILE
Experienced React/React Native Developer with extensive experience in all
phases of advanced web and mobile development. I possess a comprehensive
understanding of user interface, testing, and debugging methodologies. Can
CONTACT demonstrate proficiency in a diverse range of technologies, including
JavaScript/Typescript, React, Redux, RTK, Zustand, React Native, and Git.
[open contact info](look above in the "contact info" section)
Proven ability to effectively manage independent projects while also
[open contact info](look above in the "contact info" section) collaborating seamlessly within a team environment.
Lviv, Ukraine
EMPLOYMENT HISTORY
SKILLS
React/React Native Developer, Appexoft, Lviv
JavaScript May 2022 - May 2024

Developed and maintained various projects including a cryptocurrency
TypeScript
trading platforms, medical and financial mobile applications.
Collaborated with cross-functional teams to design and implement user
React
interfaces using React, React Native, and Next.js.
Utilized TypeScript to enhance code quality, maintainability, and
Zustand productivity.
Managed state throughout applications with Redux Toolkit and Zustand,
Redux Toolkit ensuring robust data flow and improved user experience.
Created responsive layouts and styled components using such tools as
React Native Tailwind CSS, (NativeWind), Material UI, etc for both web and and
mobile applications, ensuring consistency across various platforms.
Git Implemented UI components and fixed existing application logic to
optimize performance and enhance user engagement.
RTK Query Conducted thorough testing and debugging to ensure applications'
reliability and efficiency.
Axios Communication with customer.

Firebase Front-end Developer, DATAFOREST, part-time
May 2024 - Jul 2024
Figma Contributed to the development of an existing project RedLeo using
TypeScript and Next.js, enhancing the application's performance and
Communication maintainability.
Implemented a multi-step onboarding process, improving user
Leadership experience and streamlining initial user interaction with the application.
Developed the authentication module, integrating secure login
functionality to protect user data and enhance security.
LANGUAGES Styled complex data tables using Material-UI, ensuring responsive
design and accessibility for all users.
English
Utilized Formik and Yup to implement effective form handling and
validation, ensuring seamless data input and user feedback.
Ukrainian
Collaborated with UX/UI designers to translate wireframes into high-
quality interactive features, contributing to an improved overall user
French
interface.

Italian
EDUCATION
Bachelor’s degree, Lviv Polytechnic National University
Sept 2019 - Jul 2023
Institute of Computer Science and Information Technologies.