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rezume-eng.md 2025-10-17

Anatoly Deineka
Fullstack / Backend Developer

📞 [open contact info](look above in the "contact info" section)
📧 [open contact info](look above in the "contact info" section)
🌍 Remote / Ukraine
🔗 github.com/avDeineka

🧭 Summary
Fullstack / Backend Developer with deep experience in Node.js, PostgreSQL, MongoDB, and
JavaScript/TypeScript.
Over 20 years of professional development, from embedded software in C/C++ to large-scale backend
systems for fintech, gaming, and e-commerce.
Built REST APIs, product categorization systems, automated functional & capacity testing for MMORTS, and
backend infrastructure for crypto trading across dozens of exchanges.
Focused on reliability, clean architecture, and code clarity.

🧰 Tech Stack
Languages: JavaScript (ES6+), TypeScript, C/C++, PHP, SQL
Backend: Node.js, Express, REST API
Databases: PostgreSQL, MySQL, MongoDB, CouchDB
Testing: Mocha, Should.js, automated load & functional testing
Frontend: HTML, CSS, pure JavaScript
Other: Git, Windows / Linux, CI/CD, Docker, data processing, API integrations with exchanges

💼 Experience
Embedded Communications Software — Software Engineer

2 years

Developed embedded software for communication devices.
C/C++ for backend logic, JavaScript for the web interface.
Low-level optimization, communication protocol handling, and diagnostics.

Coupon Service (France) — Backend Developer

1 year

Developed backend and back-office for a European coupon platform.
Node.js, MySQL, some PHP.

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Implemented user authentication, partner API integrations, and transaction processing.

MMORTS Game (Israel) — QA / Test Automation Engineer

3 years

Developed automated functional and capacity testing system for an MMORTS project.
Node.js, Mocha, Should.js, CouchDB.
Maintained test suite, analyzed server performance, integrated with CI pipelines.

Cryptocurrency Trading Platform (Israel) — Backend Developer / System Architect

6 years

Built backend and back-office for large-scale crypto trading across multiple exchanges.
Processed data for thousands of users in real time.
Node.js, PostgreSQL, microservice architecture, API integrations with exchanges.
Load balancing, fault tolerance, and transaction auditing.

European Price Monitoring Service — Fullstack Developer

2 years

Collected, parsed, and processed pricing data from online stores.
Built a flexible product categorization system.
Node.js, MongoDB, JavaScript/TypeScript, pure frontend (no frameworks).
Implemented CRUD API, filtering, and editing of category (DAG) structures, lexemes, and products.

🚀 Projects
🧩 Product Categorization Platform — internal R&D project

Designed and implemented large-scale product classification for 520K items, achieving 90% coverage
within 270 s (including database writes).
Stack: Node.js, MongoDB, pure JS (front-end), REST API, data pipelines.

🎓 Education
Master’s Degree in Mathematics
Lomonosov Moscow State University, 1991

💬 Languages
Ukrainian — native
English — intermediate (B1–B2)

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