Олег

Oleg SUMMARY

Full Stack Developer with a strong foundation in modern web technologies including React, Next.js,
Zhdanenko TypeScript, and Node.js. Experienced in building scalable web applications, REST API integrations,
Full Stack Developer and working with both SQL and NoSQL databases. Detail-oriented and focused on delivering clean,
maintainable code. Quick learner with a background in both frontend and backend development.

CONTACT WORK EXPERIENCE

■ [open contact info](look above in the "contact info" section) Full Stack Developer
✉ [open contact info](look above in the "contact info" section) Mithrill Development | 12.2025 — present
■ Telegram • Developing and maintaining full-stack web applications;
■ LinkedIn / GitHub • Building scalable backend services with NestJS and PostgreSQL;
■ Ukraine, Kyiv • Designing responsive frontends with React and TypeScript;
• Integrating third-party APIs and cloud services;
TECH SKILLS • Collaborating with cross-functional teams in an Agile environment.
Stack: React, TypeScript, NestJS, PostgreSQL, REST API, Redux Toolkit
TypeScript
JavaScript (ES6+) Full Stack Developer
React.js European Startup (remote) | 07.2024 — 11.2025
• Developed interface for document upload and AI-based processing;
Next.js
• Integrated frontend with backend APIs and external services (ERP, CRM, Slack, cloud storage);
HTML5 / CSS3
• Implemented real-time document quality adjustment in UI;
Redux Toolkit • Handled asynchronous requests and loading states;
Zustand • Integration with external APIs: Google Drive, OneDrive, S3.
Node.js Stack: React, TypeScript, Next.js, NestJS, REST API, PostgreSQL

NestJS
Express PROJECT EXPERIENCE
REST API
Management System — github.com/OlegZhdanenko/Management_System
PostgreSQL
Full-stack role-based access management platform. Features user/role CRUD, seed-based ROOT_ADMIN
MongoDB / Mongoose initialization, JWT auth, and protected API routes. Stack: React, TypeScript, NestJS, Prisma ORM,
Prisma ORM PostgreSQL, REST API.

Stripe API Beer Shop — github.com/OlegZhdanenko/Beer_Shop
TON Connect / Web3 Web3 e-commerce app for purchasing products with TON blockchain wallet integration via TON Connect.
GIT Deployed on Vercel (beer-app.vercel.app). Stack: React, TypeScript, NestJS, TON Connect, CSS.

SASS / CSS Modules Stripe Subscription — github.com/OlegZhdanenko/stripe_subscribtion
Full-stack subscription management platform with Stripe payment integration. Handles subscription plans,
billing cycles, and webhook events. Stack: React, TypeScript, NestJS, Stripe API, REST API.
SOFT SKILLS
Team Work EDUCATION
Communicative
Metinvest Polytechnic | 09.2025 — present
Strong Adaptation
Master's degree — Information Technologies & Digital Intelligence
High Analytics
IT School GoIT | 2023 – 2024
Time Management
Fullstack Developer

LANGUAGES
Ukrainian — native
English — B1