Sergio

SERGIO DIOROV
Frontend developer (React/Next.js)

TECHNICAL SKILLS
ABOUT ME Frontend:
React, Next.js, TypeScript, React Native, JavaScript, Redux Toolkit, RTK
Frontend Developer with 3 years of Query, TanStack Query, React Hook Form, HTML5, CSS3, SCSS/SASS,
commercial experience. Specialized in Tailwind CSS, Material UI, Responsive Design, Internationalization (i18n);
React, Next.js, TypeScript, and modern Backend:
frontend architecture, with additional Node.js, NestJS, Express.js, REST APIs, WebSockets, JWT, Authentication;
hands-on experience in backend MongoDB, Firebase (Firestore, Authentication), Supabase, Prisma ORM;
development. Experienced in Tools & Development:
collaborating directly with international Git, GitHub, Docker, Postman, Stripe;
clients, mentoring junior developers, and
participated in requirements gathering
and technical discussions. WORK EXPERIENCE

EDUCATION PROPERTY BASHA & GO MARHABA 2024-2026
Frontend Developer
State University of
Property Basha is a real estate platform, while Go Marhaba is a tourism and
Telecommunications
local business discovery platform. Both projects were developed for the same
Bachelor's degree client and focused on providing scalable, multilingual experiences for users
2018 - 2022 across different regions.
Developed responsive web applications using Next.js + TypeScript.
State University of Integrated REST APIs and implemented complex data-fetching logic using
Telecommunications
React Query.
Master's degree Built authentication and authorization flows.
2022 - 2024 Implemented multilingual support (i18n) and dynamic content localization.
Integrated Stripe payment functionality.
Collaborated directly with English-speaking clients to gather requirements
LANGUAGES and deliver features.

Ukrainian (Fluent)
MOBILE APPLICATIONS (REACT NATIVE) 2025
English (B2)
Frontend / Full-Stack Developer
Developed and maintained two mobile applications focused on child care and
CONTACT family health management. One application tracked infant movement activity,
while the other helped parents manage feeding schedules and related data.
Kyiv, Ukraine Developed premium subscription features and user authentication flows.
Integrated Firebase services for data storage, authentication, and real-time
[open contact info](look above in the "contact info" section) updates.
Implemented responsive mobile UI based on Figma designs.
[open contact info](look above in the "contact info" section)

Telegram: @sergitto BETTER CAREERS APP 2023-2024
Frontend / Full-Stack Developer
GitHub:
A professional networking platform for developers, designed to help users
https://github.com/Sergittko
build professional connections, share content, and discover career
opportunities.

PET-PROJECTS Developed user-facing features, administrative dashboard, and backend
functionality.
Movies Platform Built reusable UI components and scalable application architecture.
Implemented authentication, authorization, and role-based access control.
Sneakers Shop Integrated real-time functionality using WebSockets for notifications.
Memory Game