Summary
Overview
Work History
Education
Skills
Websites
Timeline
Generic

Dmytro Halahan

Katowice,24

Summary

Full-stack developer with 6 years of experience building scalable web applications. Strong in React, GoLang, PostgreSQL, and cloud (AWS/GCP). Proven record of improving performance, scalability, and user satisfaction. Looking for a mid-level role in distributed systems, backend engineering, or full-stack development.

Overview

3
3
years of professional experience

Work History

Full-stack Developer

AirTrail
01.2024 - Current
  • Upgraded dashboard schedule UI, increasing engagement by 30% for 5,000+ users.
  • Improved data validation pipeline, reducing errors by 40%.
  • Spearheaded development of AI-powered chatbot, cutting support response time by 35%.

Founder

Alura
01.2023 - 01.2024
  • Built online language learning platform using React + Golang with microservices architecture, improving scalability by 25%.
  • Optimized backend queries, boosting reliability and reducing downtime.
  • Designed modern UI/UX, improving retention and user satisfaction.

Trainee

APYS
05.2022 - 09.2022
  • Established comprehensive integration and unit testing protocols, decreasing bug reports by 40% and improving application stability.
  • Eliminated 200+ bugs in frontend and API, resulting in a 30% reduction in user-reported issues.

Education

Bachelor of Computer Science - Computer Science

University of Silesia in Katowice
Katowice, Poland
03-2025

Skills

  • Frontend: React, Redux, JS ES6, TypeScript, HTML5, CSS3
  • Backend: Golang, PostgreSQL, FastAPI, Nodejs
  • Cloud/DevOps: AWS, GCP, Docker, Kubernetes, CI/CD
  • Version Control: Git, GitHub, GitLab
  • Testing: Unit Testing, Integration Testing, Jest, Cypress
  • Other: Python, Java, LangChain, LangGraph, Selenium

Websites

Timeline

Full-stack Developer

AirTrail
01.2024 - Current

Founder

Alura
01.2023 - 01.2024

Trainee

APYS
05.2022 - 09.2022

Bachelor of Computer Science - Computer Science

University of Silesia in Katowice

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Dmytro Halahan