Michał Król

Founder

krolmic OÜ

Nov 2022 – Present

Building Flutter apps with AI-assisted, agentic, and orchestrated development workflows — backed by 11 years in software development and 5 years delivering production-grade apps.

Freelance Flutter Developer

blindwerk – Digitale Architekten

May 2026 – Present

Further development of the Kurvenheld app (iOS & Android).

Freelance Flutter Developer

Aparkado

Apr 2025 – Present

Delivering new features and improving LKW.APP (iOS & Android), a leading app for truck drivers — as well as orchestrating automated workflows using Claude Code and Make.com.

Freelance Flutter Developer

blindwerk – Digitale Architekten

Apr 2025 – Sep 2025

Rebuilt the Kurvenheld app, optimizing its Flutter architecture and core features to improve performance, maintainability, and user experience.

Freelance Flutter Developer

Upwork

Mar 2025

Built an iOS & Android app for learning manifestation through course lessons, with gamification via achievements and user levels. Delivered to Google Play Store and Apple TestFlight in 3 weeks.

• Used Amplify Auth and Firestore as backend services
• Set up paywall and subscription management with RevenueCat
• Added push notifications (OneSignal), analytics (Wiredash), and error monitoring (Crashlytics)
• Automated app publishing with Codemagic

Freelance Flutter Developer

Aparkado

Jan 2024 – Mar 2024

Integrated a custom RevenueCat paywall, shipped new features, and improved overall app quality.

Freelance Flutter Developer

LUMEUS Emotional & Mental Health

Nov 2022 – Jul 2023

Built LUMEUS – a guided audio meditation app for emotional well-being (iOS & Android). Delivered UI based on Figma, and set up the backend services.

Maintained and extended the app post-relaunch – implemented a custom Adapty paywall for premium content, integrated OneSignal push notifications, and kept the codebase healthy through bug fixes and dependency updates.

Fullstack Developer // Flutter Developer

Ambient – Wegbereiter für digitale Innovationen

Jul 2019 – Oct 2022

Delivered mobile and web projects across a diverse client portfolio while contributing to the agency's growth.

• Mobile development with Flutter (iOS & Android)
• Web development with Vue, Nuxt.js, and React
• Backend and CMS development with Python, Django, Strapi, and Wagtail
• CI/CD and cloud infrastructure on AWS and Azure (Docker, Kubernetes, Helm, Terraform)
• Mentoring team members, job interviews, workshops with customers

Junior Development Engineer

Utimaco

Jan 2018 – Jun 2019

Providing lawful interception and data retention systems for telecom operators and ISPs.

• Web apps with Python, Django, and jQuery
• UX design — wireframes and prototypes
• APIs in C++ and C
• CLI tools in Python and Bash

Trainee

Utimaco

Aug 2015 – Jan 2018

• Development in C, C++, Bash, Python, and Django
• Agile development with SCRUM
• Delivered Python training for team mates

Intern

Utimaco

Apr 2014 – Jun 2014

• CLI tools in Bash and C
• Desktop apps in C++ with QtCreator
• Cryptography training