Данил

Danya Nosur
Full Stack Developer · Node.js / Nest.js / React / Laravel / Vue
[відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | Kryvyi Rih, Ukraine | Telegram: @danosur | GitHub: github.com/dnosur

Summary
Full Stack Developer with 4 years of commercial experience building backend services, REST APIs, CRM and
e-commerce platforms. Strongest in Node.js (Express, Nest.js) and PHP Laravel, with a React / Vue / Next.js frontend.
Experienced with marketplace integrations (Amazon, eBay, Walmart), payment providers (Stripe, CCBill), Redis caching
and AI-powered features. Worked as the sole backend developer on turnkey client projects and led a small team of 3.

Skills
Backend: Node.js (Express, Nest.js), PHP (Laravel), Python (Django), C# (ASP.NET), REST APIs,
WebSockets (socket.io)
Frontend: React, Next.js, Vue.js, Blade templates, JavaScript, HTML, CSS
Databases: MySQL, PostgreSQL, SQLite, MongoDB, Firebase, Redis
Integrations: Amazon, eBay, Walmart APIs; Stripe, CCBill; CoinGecko; ElevenLabs (AI voice calling); OpenAI
and Anthropic APIs; self-hosted LLMs (Llama)
DevOps & Tools: Railway, Vercel, Redis
Other: Solidity (smart contracts, tokens), crypto wallet operations, C++ / OpenGL, Unity, Unreal Engine 5

Experience
Webstick – Full Stack Developer May 2025 – Present
Kryvyi Rih · webstick.com.ua · Product: Crazy Vendor, an all-in-one e-commerce management platform
• Develop and maintain Crazy Vendor: backend APIs in PHP Laravel, client side in Vue.js, Blade templates and
Next.js.
• Built integrations with Amazon, eBay and Walmart APIs for syncing products, orders and listings.
• Implemented commercial CRM modules; integrated AI services (OpenAI GPT, Anthropic Claude) into the platform.
• Sped up the platform with Redis: cached search queries and table data; also implemented caching on the frontend.
Work with MySQL and PostgreSQL.
Insiders – Full Stack Developer (Team Lead) Apr 2025 – May 2025
Lviv · insiders.software · Turnkey client projects under NDA · Node.js, Next.js, Nest.js, React
• Sole backend developer on turnkey client projects under NDA, including an Instagram-like social platform; led a small
team of 3 developers.
• Designed and built backend APIs with Nest.js and Node.js (Express); built the client side in React.
• Optimized the personalized recommendation feed and search using Redis.
• Integrated Stripe and CCBill payments; added AI functionality to web applications.
• Set up deployment of projects on Railway and Vercel.
MV Group – Backend Developer Sep 2024 – Apr 2025
Kyiv · Turnkey CRM platform for international clients · Node.js, Python Django, ASP.NET, Solidity
• Sole backend developer of a CRM platform delivered turnkey to international clients.
• Built the backend with Node.js (Express): CRUD APIs, in-house analytics and financial operations with crypto wallets;
the only external integration was CoinGecko.
• Developed a separate Python (Django) service integrated with ElevenLabs for AI voice calling: an AI assistant makes
outbound calls to clients.
• Wrote smart contracts in Solidity; created and deployed tokens.
• R&D: deployed self-hosted LLMs (Llama) as an in-house alternative to GPT / Claude integrations and built prototype
services in ASP.NET; the self-hosted approach was dropped due to hardware limits.
Perfection Studio – Node.js Backend Developer Nov 2022 – Sep 2024
Kryvyi Rih · Projects: UCPC, IS-SAI
• Developed server-side applications and REST APIs with Node.js (Express).
• Implemented real-time features (chats, notifications) with socket.io.
• Worked with SQL (MySQL) and NoSQL (Firebase, MongoDB) databases.

Freelance – Developer Present
Kryvyi Rih · Project list on GitHub
• Developed coursework, diploma and other custom projects in C++ (OOP, MFC), C# (WinForms), PHP and Python
(Tkinter, Django).
• Worked with SQL (MySQL, SQLite, PostgreSQL) and NoSQL (Firebase, MongoDB) databases.
SlonikPay – Backend Developer (Intern) May 2021 – Jun 2021
Kryvyi Rih · C#, ASP.NET MVC, ADO.NET, SQL, JS, HTML, CSS
• Built a system that automates payroll calculation from completed work and specifications.
• Implemented user roles (worker, admin), database encryption/decryption and cookie handling.

Pet Projects
• OpenGL game engine (C++, 2025): OpenGL / GLAD, OpenAL, tile map parser, A* pathfinding, multithreading,
shaders. Repos: Dino Run, Simple RPG, Snake, Sapper.
• Psychological horror game (Unreal Engine 5, Blueprints, Ray Tracing, 2023).
• 3D RPG (Unity, C#, DirectX Ray Tracing, 2022) and 2D RPG (JS, React, lighting / shadow system, enemy AI,
2021–22).
• Mobile runner game (Unity, C#, 2022): led a team of 6. GitHub.

Education
State University of Economics and Technology, Kryvyi Rih Jun 2025 – Present
Master’s degree, Software Engineering
State University of Economics and Technology, Kryvyi Rih 2021 – 2025
Bachelor’s degree, 121 Software Engineering
“ITStep” Computer Academy, Kryvyi Rih 2019 – 2022
Diploma, Software Development
Certificates: Cisco Networking Academy – IT Essentials; Microsoft Imagine Academy – Using Data in Software
Applications, Working with Non-Relational Data, Database Fundamentals.

Languages & Leadership
Languages: Ukrainian – Native; Russian – Fluent; English – Intermediate.
Leadership: twice elected president of the university student council; organized three concerts (one citywide) and other
large student events in cooperation with other universities and ArcelorMittal.