Владислав

Personal information

Valiuchenko Vladyslav, I'm 19yo — Fullstack software developer with strong experience in TypeScript, Rust, distributed systems and observability tooling. Built multiple
infrastructure-heavy and full-stack projects using Postgres, ClickHouse, ScyllaDB, OpenTelemetry, NATS, Ollama and Next.js, with a strong interest in backend
architecture, developer tooling and high-performance systems. Based in Kosice, Slovakia. Fluent in Ukrainian, Russian and English.

Phone — [відкрити контакти](див. вище в блоці «контактна інформація»)
Email — [відкрити контакти](див. вище в блоці «контактна інформація»)
GitHub — https://github.com/ValiuchenkoVladyslav

Experience

04/2026 - 05/2026 — Chat App

Created and implemented HTTP & WebSocket rpc contracts
Set up SMTP server mock for local development and testing
Created manual ClickHouse and ScyllaDB migrations
Implemented structured logging system integrated with OpenTelemetry trace IDs for cross-service debugging and observability
Created custom ClickHouse exporter for OpenTelemetry traces
Created custom integrations for OpenTelemetry with cassandra-driver and nodemailer
Created a dashboard using Next.js to view logs and traces with stats across different deployment versions

Stack: Postgres, drizzle-orm, ScyllaDB, cassandra-driver, NATS, ClickHouse, OpenTelemetry, React, Next.js, Docker, Biome, TRPC / ORPC, TailwindCSS, Zod, JavaScript
/ TypeScript, Node.js / Bun, Husky

01/2025 - 01/2025 — ROBO

Set up Ollama replicas load balancing using nginx reverse proxy
Split Postgres DB into shards based on UIDs
Set up Redis for caching
Set up CI using Git hooks and GitHub Actions for code quality and compilation checks on macos, windows and linux, Dependabot audit
API design with Axum
Frontend design with Next.js
Patched external dependency (ollama-rs) to better suit project goals

Stack: Next.js, React, TanStack Query (React Query), React Hook Form, JavaScript / TypeScript, TailwindCSS, Zustand, Postgres, Redis, nginx, Docker, Rust, JWT,
Tokio, Axum, Serde, GitHub Actions, Clippy, rustfmt, ESLint, Husky

https://github.com/ValiuchenkoVladyslav/robo

08/2024 - 01/2025 — TD-OLLAMA

Created a desktop app that allows creation of Ai powered chat bots in Telegram and Discord using Ollama api
Created product website with developer documentation
Set up git hooks with husky and GitHub actions for CI/CD

Stack: Rust, Tauri, Next.js, React, JavaScript / TypeScript, TailwindCSS, ShadcnUI, Biome, Vercel, Turborepo, Bun / Node.js, React Hook Form, Teloxide, Clippy, GitHub
Actions, Ollama, Zustand

https://github.com/ValiuchenkoVladyslav/td-ollama
https://td-ollama.vercel.app/

04/2024 - 04/2026 — QR & BAR Code Generator Browser extension

Added QR & BAR code generation and printing functionality
Set up git hooks with husky
Made major rewrite of legacy code after multiple major React & Vite releases
Published extension to Firefox marketplace

Stack: Vite, React, TailwindCSS, JavaScript / TypeScript, Zustand, ESLint, Prettier, Biome, Radix UI, Husky

https://github.com/ValiuchenkoVladyslav/qr-bar-code-generator/
https://addons.mozilla.org/en-US/firefox/addon/qr-bar-code-generator/