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rezume-eng.md 2026-06-23

Anatoly Deineka
Backend / Fullstack Developer

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🌍 Remote / Ukraine
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🔗 github.com/avDeineka

🧭 Summary
Backend / Fullstack 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.
Desing and built REST APIs; product categorization systems; backend infrastructure for intensive algorithmic
crypto trading across dozens of exchanges, automated functional & capacity testing for MMORTS.
Focused on reliability, clean architecture, optimization and code clarity.

🧰 Tech Stack
Languages: JavaScript (ES6+), TypeScript, C/C++, PHP, SQL
Backend: Node.js, Express/NestJS, Knex, microservices architecture, RabbitMQ, Puppeteer, PHP CodeIgniter
Databases: PostgreSQL, MySQL, MongoDB, Firebase, CouchDB
Cloud: AWS, Digital Ocean, Google Firebase
Testing: Mocha, Should.js, automated load & functional testing
Frontend: Next.js, HTML, CSS, JavaScript
CVS: Git (GitHub, Bitbucket, GitLab), Mercury, SVN
SDLC: Scrum, Kanban, Agile
Other: Windows / Linux, CI/CD, Jenkins, Docker, API integrations Skills: software architecture, design &
development, functional & capacity testing, performance optimization & tuning, refactoring, writing and
maintaining technical documentation

💼 Experience
Nika, Embedded Communications Software — Software Engineer

Apr-2007 - Mar-2009, 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.

TradiStar, Coupon Service (France) — Backend Developer
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Jul-2013 -- Apr-2014, 1 year

Developed backend and back-office for a European coupon platform.
Node.js, MySQL, some PHP.
Creating back-office, implemented user authentication according partner API integrations, and
transaction processing.

Sky Wara: Archon Rises, MMORTS Game (Israel) — QA / Test Automation Engineer

Apr-2014 -- Apr-2017, 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.

Endotech.io, Cryptocurrency Algorithmic Trading — Backend Developer / System Architect

May 2018 -- Apr-2024, 6 years

Built backend and back-office for algorithmic large-scale crypto trading across multiple exchanges.
Scaled trading infrastructure from tens to thousands of accounts, processing real-time signals and
exchange events.
Designed rate-limit aware API clients, custom throttling, and WebSocket connection management for
high-volume exchange integrations.
Implemented fault-tolerant trading execution pipeline with REST fallbacks, monitoring, and recovery of
hundreds of concurrent connections.
Optimized PostgreSQL workloads under heavy event streams (order executions, partial fills).
Stack: Node.js, PostgreSQL, knex.js, exchange APIs, high-load backend architecture.

European Price Monitoring Service — Fullstack Developer

May-2024 -- , 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.

🚀 Sub-project
🧩 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
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Master's Degree in Mathematics
Lomonosov Moscow State University, 1991

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

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