Олександр

Oleksandr Los
Full Stack Developer | React & React Native
Ukranian Kyiv, Ukraine 15.11.2003 0667783870

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Cross-Platform Full Stack Developer with a strong foundation in the TypeScript ecosystem. Skilled in developing
unified web and mobile applications using React.js, React Native, and NestJS. A fast learner, passionate about
designing scalable database architectures and building high-performance, animated interfaces. Known for being a
proactive team player with strong collaboration skills and keen attention to detail.

Skills

Core Frontend Backend
JavaScript (ES6+), TypeScript HTML, React.js, Next.js, React Node.js, Express.js , NestJS, RESTful
Native, Expo, Redux (Toolkit) , APIs
Styling & Theming Context API, Tanstack Ecosystem,
CSS3, CSS Modules, Styled RHF, Zustand Tools & DevOps
Components, Tailwind, Shadcn UI, Git, GitHub, GitLab, Docker,
Radix UI, Framer Motion, Databases & ORM Webpack, Vite, Postman
NativeWind (React Native), React PostgreSQL, MySql, MongoDB,
Native Reanimated Supabase, Prisma ORM, Drizzle
ORM

Languages

Ukranian English
Native Upper-intermediate

Professional Experience

06/2025 – 12/2025 Huture AI
Wiskonsin, USA Full Stack Developer
Full Stack & Mobile Lead. Built and deployed Expo and Next.js applications from scratch,
utilizing Supabase for backend logic and work on high-performance UI.

11/2024 – 05/2025 CGS Team
Kyiv, Ukraine Full Stack Developer
Developed scalable web (Next.js) and mobile (React Native) applications, architecting a
modular, type-safe backend API using NestJS , PostgreSQL and Prisma ORM.

12/2023 – 05/2024 Freelance
Zaporizhzhia, Ukraine Full Stack Developer
Collaborated with a team to develop and launch a responsive web application using React,
Next JS and NodeJS.

Projects Education

Rematchify M.A. in International Economics
Next.js, Supabase, Tanstack Query, Tailwind, ShadCN National University of Zaporizhzhia
Web app hub for Rematch game players and football 09/2020 – 12/2025 | Zaporizhzhia, Ukraine
fans.

Youngmen 1.0.0 (IOS & Android)
React Native, Expo, Reanimated, Supabase
Mobile app for young men to improve their life habits,
mentak health and physics.

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