
Full-stack Developer
Roman Koiš
Software Engineer, Full-stack Developer
Full-stack developer with a focus on Python, AI automation, and process optimization. Built GrandpaCheck (AI phone calls with OpenAI Realtime API + Twilio), PulseShape, and virtual lab systems for Slovak Technical University.
Skills & Competencies
Python (backend, ML, automation)
Process Optimization
System Architecture (SOA)
JavaScript / TypeScript
APIs & Integration (REST)
AI/Automation
Git & Version Control
PHP (backend services)
Go (backend services)
SQL (PostgreSQL, SQLite)
Experience
Full-stack Developer
·Instarea (Dealership Mgmt)2024–PresentEnterprise SaaS architecture, integration governance, AI-led systems.
Developer
·PulseShape @ Instarea2024–PresentAI-driven company surveys & interviews for VUB. Vue.js, Python, OpenAI Realtime API.
Creator & Developer
·GrandpaCheck @ Instarea2024–PresentAI phone check-in for elderly. Python, Vue.js, Docker, OpenAI Realtime API, Twilio.
Developer
·Virtual Lab @ STU2024–PresentVirtual experiments on mechatronics 3D models. Vue.js, Python, Node.js, Laravel.
Developer
·Client Zone @ Wezeo2023–2024Lab results analysis tool. PHP, Vue.js, MySQL, Docker.
Education
STU FEI Ing. (Software Engineering, Masters)