Олексій

Oleksiy Odarchuk
Backend Developer (Go)

Lviv, Ukraine [открыть контакты](см. выше в блоке «контактная информация») [открыть контакты](см. выше в блоке «контактная информация»)
@NeShawyha github.com/OlexiyOdarchuk

Performance-obsessed engineer with a product mindset. Builds real products fast — from hackathon MVPs to
production Go services.

🚀 EXPERIENCE & ACHIEVEMENTS 🛠 TECH STACK
3rd Place — Backend Engineer March 14, 2026 Languages
Mate Hackathon (50 participants, 10 teams)
Go Python

• Designed and built a Go backend from scratch in 7 hours for an AI-
powered MarTech tool that automates competitor-ad analysis. TypeScript (basics)

• Dual AI pipeline: GPT-4o for marketing trigger analysis + Nano Backend
Banano 2 (fal.ai) for creative generation; backend routed all AI calls
to cloud APIs, sustaining high throughput under hackathon load. Gin Fiber REST API

• Beat teams with 5+ years of experience by focusing on a stable WebSockets Goroutines
MVP — 3rd of 10 teams.

JWT OAuth 2.0

Security Researcher → Job Offer 2026 Databases

College Blockchain System “Student Hryvnia” PostgreSQL Redis

• Discovered and exploited a critical vulnerability: frontend capped
ClickHouse
transaction amounts, backend had no such check — enabling
arbitrary negative-value transfers. Reported responsibly; received a
job offer from administration. Frontend

• Reverse-engineered the official JS miner through Webpack bundles Svelte Wails Tailwind CSS
to understand the hashing logic — then built a faster Go
replacement with a goroutine worker pool (SHMiner — p. 2). AI / APIs

💡 ABOUT ME
GPT-4o Fal.AI

DevOps & Tools

Docker Linux (Arch)
Engineer with a product mindset. I build systems where speed meets
architectural reliability. What matters to me is software that isn’t just
working, but optimized for business goals and pleasant for users. Git Bruno Typst

🎓 EDUCATION
Outside of code: folk dancing for 10+ years, occasional poetry, and
recently — screenwriting.

🌐 LANGUAGES Network Technologies
IT College NULP, 2nd year
2024 — present
Ukrainian — Native
English — B1 (actively improving) IT Class
Science Lyceum, Rivne
2022 — 2024
💻 PET PROJECTS
SHMiner — Desktop Crypto Miner github → LinkShortener Bot github →

Cross-platform desktop miner built with Wails (Go + Telegram URL shortener with QR generation and geo
Svelte/TypeScript). Rewrote SHA-256 hashing from analytics. PostgreSQL for storage, Redis for redirect
JS to Go with a goroutine worker pool — achieved caching, ClickHouse for real-time click analytics
170× faster hashrate (17000%) than the official (country, city, platform). Docker, GeoIP2.
client on identical hardware. AES-encrypted wallet
storage, real-time WebSocket dashboard, multi-wallet, Go PostgreSQL Redis ClickHouse
zen mode.
Docker Telegram API

Go Svelte TypeScript Wails

WebSockets Goroutines

ToDoList Pro — Go + Svelte github → AbitAssistant Bot github →

Production-grade task manager: Go/Gin backend with Telegram bot helping Ukrainian students track
clean architecture (repository → service → handler), university admission rankings. Reverse-engineered
JWT + OAuth 2.0 (Google), email verification, Swagger closed third-party APIs to fetch live competition data.
docs. Svelte 5 + TypeScript + Tailwind. Multi-stage 150+ active users in first year, marketing
Docker build. campaign planned for 2026.

Go Gin Svelte TypeScript JWT Python Aiogram PostgreSQL

OAuth 2.0 PostgreSQL Docker BeautifulSoup Pandas Docker

🎯 What I’m Looking For
Role Environment Priorities

Strong Junior Go Developer. Ready Teams with solid processes (GitFlow, Products where architecture
for intensive work, internship or Code Review). Where ownership is decisions and performance matter.
part-time. Looking for my first valued and high code quality Open to complex engineering
serious step in commercial standards are maintained. challenges and fast learning.
development.