Roman Myziuk

Full Stack Developer turning complex processes into useful software

I build web applications, APIs, and integrations with Vue, React, Laravel, .NET, Python, and SQL. My edge: AI-assisted automation for data workflows and technical documentation, with measurable enterprise impact.

300+ ETL workflows processed
~90% less documentation time
+1M users on TESI's platform
  • Python
  • React.js
  • Vue.js
  • .NET Core
  • SQL
  • Git

About Me

Hello, I'm Roman Myziuk

I build product

Modern frontend, backend, APIs, authentication, databases, and continuous deployment.

I automate repetitive work

Python and applied AI to save hours, generate documentation, and accelerate technical processes.

I understand real systems

International teams, SQL Server, Oracle, PL/SQL, ETL, documentation, and enterprise support.

Full Stack Software Developer experienced in Vue.js, React, Laravel, PHP, .NET, Python, SQL, and REST APIs. I build web applications, reusable components, API integrations, and internal tools focused on performance, scalability, and process improvement.

I specialize in modern reactive interfaces, robust REST APIs, and Python automation. At Infoverity, I have built AI-assisted tooling to analyze and document complex PowerCenter ETL workflows, processing more than 300 workflows and cutting technical documentation time from weeks to hours.

I have worked on international projects across USA and EMEA, using SQL Server, Oracle, PL/SQL, technical documentation, Clean Code practices, and Agile/Scrum methodologies.

Professional Experience

Software Developer

Infoverity — Full-time

Jun 2025 - Present · 10 months

Developing internal applications, automations, and integrations with Python, .NET, JavaScript, SQL, and REST APIs. Built AI-assisted solutions for ETL workflow documentation, processing 300+ PowerCenter workflows and cutting technical documentation time from weeks to hours. Working with SQL Server, Oracle, PL/SQL, functional-technical analysis, and cross-functional business teams in Agile/Scrum environments.

.NET Core Python SQL Server Oracle PowerCenter REST APIs AI Automation

Technical Consultant

Infoverity — Full-time

Jan 2024 - Jun 2025 · 1 year 6 months

Developed custom plugins, scripts, and code snippets in JavaScript and Python. System monitoring, database administration, and technical support for international clients in North America and EMEA.

JavaScript Python Azure Database Admin Technical Support

Fullstack Web Developer

TESI — Internship

Mar 2023 - Jul 2023 · 5 months

Full-stack development with Laravel and Vue.js. Integrated Twilio API for call automation. Built reusable and multilingual components for a web portal with over 1 million active users. Coordinated with UX/UI and backend teams to optimize performance and user experience.

Laravel Vue.js Twilio API Composition API Pinia

Highlighted Projects

Valencia Marathon Dashboard — session score and .fit analysis
Personal project

Valencia Marathon Dashboard

Running analytics app for a sub-4h marathon: import the watch .fit, analyze it (decoupling, HR zones, GAP, 0-100 score) and project your success probability with its trend over time.

  • Server-side .fit parsing in Node: real pace, aerobic decoupling, time-based HR zones and grade-adjusted pace
  • 0-100 session score and sub-4 probability with an evolution curve
  • Trends: cadence, ACWR (load:risk) and marathon-pace HR cost
  • Security: expiring HMAC token, rate-limiting, CSP · WCAG AA a11y
  • Vanilla JavaScript, no framework · CI/CD deploy with Docker on Coolify
Node.jsExpressJavaScriptPlaywrightDocker
AI-assisted ETL documentation automation with Python

ETL Automation — Python + AI

Automation system for documenting PowerCenter ETL workflows from XML, generating summaries, diagrams, and technical analysis with AI assistance.

PythonAI APIsPowerCenterSQL
ATS-Master Dashboard Preview ATS-Master Editor Preview ATS-Master Analysis Preview

ATS-Master CV Generator Pro — Python + AI

AI-powered CV generator with hybrid (Cloud/Local) architecture for ATS optimization and real-time profile tailoring.

PythonGemini AIOllamaTailwind

Demo

Reppy Preview Reppy Preview Reppy Preview

Reppy — Vue 3 + PostgreSQL

Premium calisthenics tracking platform with smart volume algorithms, tactical heatmaps, and global rankings.

Vue 3PiniaPostgreSQLTailwind

Demo

React Component Codex Preview Additional Preview 1 Additional Preview 2

React Component Codex — Next.js + React

A modern, accessible component library built with Next.js, React, and ShadCN/UI. Features an interactive playground to modify props in real-time.

Next.jsReactTailwindShadCN/UI

Demo · GitHub

Technical Stack

⚡ Frontend

  • React React & Next.js
  • Vue Vue.js (Composition API)
  • JavaScript JavaScript
  • Tailwind Tailwind CSS & ShadCN/UI

🖥️ Backend & Cloud

  • Python Python Automation & AI APIs
  • .NET .NET Core / C#
  • API Laravel, PHP & REST APIs
  • Azure Azure & Cloud Fundamentals

⚙️ Data & DevOps

  • SQL SQL Server, PostgreSQL, Oracle & PL/SQL
  • Git Git, CI/CD & GitHub Actions
  • ETL PowerCenter, XML, ETL & Technical Docs
  • Clean Code Clean Code & Agile

Certifications

Languages

  • Spanish Spanish (Native)
  • English English (Full Professional Proficiency)

Contact

Looking for a developer who can build product and automate internal processes with measurable impact?

Let's Talk Full Stack CV Python CV