Oleh

Oleh Dudak
REACT NATIVE DEVELOPER
Lviv, Ukraine | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація»)

PROFESSIONAL SUMMARY
React Native Developer with commercial experience building mobile application features using React Native, Expo,
TypeScript, and Redux Toolkit. Experienced in implementing authentication, deep links, biometric login, geolocation-based
workflows, approval flows, and evidence-based completion reporting. Works with product and backend teams to translate
requirements into maintainable mobile application functionality.

TECHNICAL SKILLS
Programming: JavaScript, TypeScript
Mobile development: React Native, Expo, React Navigation
State management: Redux, Redux Toolkit, Context API
Data and integration: REST APIs, Axios
Forms and validation: Zod, Formik, Validator
Web technologies: React, Next.js, HTML, CSS, SCSS
Tools: Git, GitHub, Bitbucket, Jira
Payments and verification: Stripe, Persona

PROFESSIONAL EXPERIENCE
React Native Developer | OBRE Jul 2025 – Mar 2026
• Led frontend development of the customer mobile application using React Native and Expo, defining the implementation
roadmap and coordinating feature delivery.
• Collaborated with product and backend teams to design job execution and approval workflows and translate requirements
into technical specifications.
• Implemented authentication flows including email and phone sign-up, deep-link password reset, optional two-factor
authentication, and biometric login.
• Developed geolocation-based job execution flows with work zones and on-site verification.
• Implemented Requested Actions workflows for professionals to request changes to scope, time, or materials, with
attachments and approval states.
• Built completion reporting with structured evidence attachments.
• Planned tasks and demonstrated implemented features to stakeholders.
Team Lead Frontend Developer | NICELY.GROUP Feb 2025 – Jun 2025
• Defined technical direction and technology choices for key features before sprint implementation.
• Resolved complex technical blockers affecting frontend delivery.
• Conducted code reviews and monitored frontend code quality.
Frontend Developer | NICELY.GROUP Feb 2024 – Feb 2025
• Selected technologies for individual modules and applied architectural approaches based on product requirements.
• Implemented complex frontend logic for new features and maintained clean, maintainable code.
Frontend Developer | Chin Mar 2023 – Feb 2024
• Implemented website pages and interface layouts from Figma designs using React, Next.js, and Tailwind CSS.
• Developed frontend functionality and interactive UI components.
• Integrated APIs, WebSockets, and backend services.

SELECTED PROJECTS
OBRE – Property Maintenance Platform
Technologies: React Native, Expo, TypeScript, Redux Toolkit, Zod, Axios, React Navigation, Jira, Git
• Customer mobile application for service professionals working on a property maintenance platform, supporting job intake,
on-site execution, and completion reporting.
• Implemented authentication, geolocation-based job execution, approval workflows for scope/time/material changes, and
completion evidence attachments.
• Coordinated feature delivery and collaborated with product and backend teams on workflow design.

HMH – Business Platform
Technologies: React, Next.js, TypeScript, Redux Toolkit, Context API, Axios, WebSockets
• Contributed to a social-network-based business platform for user interaction, ratings, posts, balances, rewards, and
multilingual support.
• Implemented dynamic ratings with approximately 40 data fields, real-time notifications, a referral system, post creation, and
balance-related UI.

EDUCATION
Lviv Polytechnic National University — Master's degree, System Analysis | 2024–2026
Lviv Polytechnic National University — Bachelor's degree, System Analysis | 2020–2024

LANGUAGES
Ukrainian — Native | English — B1