Skybluetech

Hi, I'm Paul

iOS Software Engineer & Mobile App Developer

I craft elegant, user-centered digital experiences with clean code and thoughtful design. With over 13 years of experience, I specialize in building state of the art mobile applications that deliver exceptional results.

Paul Ehrhardt

My Portfolio

Explore some of my recent projects, including team efforts and individual work, that reflect my technical expertise and approach to solving problems.

Work Experience

My recent positions in various companies in the tech industry.
Learn more in my CV.

Principal Mobile App Developer

Mauerschau Medienproduktion UG, Berlin

November 2024 - April 2025

  • Leading development in modernization initiative
  • Native iOS and Android app development
  • Refactoring, ressource planning, design and optimization
SwiftUI Jetpack Compose Kotlin

iOS App Developer

BigPicture GmbH, Berlin

June 2024 - October 2024

  • Developed AI-Agent applications for aviation industry
  • Implemented LLM voice assistant using Apple STT and ElevenLabs API
  • Collaborated with design team and backend to create smooth Ai-Agent interactions
SwiftUI Apple STT Swift Concurrency

Senior iOS Developer

Cologne Intelligence, Cologne

March 2023 - August 2024

  • Built and maintained IoT application
  • Assisted in requirements analysis and code refactoring sessions
  • Mentored junior developers and established automated CI deployments
Swift Combine Github Actions

Skills & Technologies

The tools and technologies I use to bring digital products to life.

Frontend

Swift 8 years
Objective-C 7 years
C++ 3 years
Kotlin & Compose 1 year

Stack

SwiftUI 5 years
UIKit & MVVM 9 year
Swift Concurrency 2 years
Rx & Combine 6 year

Tools & Others

Git / GitHub 12 years
App Store Connect 10 years
UI/UX Design 6 years
Google Services 2 years

Get In Touch

Have a project in mind or want to discuss potential opportunities? I'd love to hear from you!

Contact Information

Location

St. María de Guía, Spain (WET/WEST Timezone)

Availability

Monday - Friday, 9:00 AM - 5:00 PM WET

Connect With Me