Resume

iOS & macOS Developer

Hey, I am Dennis, a software engineer from Germany focused on developing iOS, macOS and SwiftUI projects. I build Swift packages and tools that keep codebases simple, readable, and fun to work in.

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Name

Dennis Müller

Location

Freiburg, Germany

dennis@swiftedmind.com

Skills

Apple Platforms

Swift SwiftUI UIKit AppKit Swift Concurrency

Engineering

Architecture Testing Performance Accessibility CI/CD

Web Dev

TypeScript Astro Tailwind Next.js

Programming Languages

Swift Python C C++ C# HTML CSS JavaScript PHP

Languages

German (Native) English (Fluent)

Experience

Senior iOS Engineer

elvah GmbH • Remote

October 2023 — Present

Redesigned the app architecture to improve maintainability and iteration speed
Improved map implementation for stable performance with 15,000+ annotations loaded
App Clip experience for fast and native EV charging flows
Built a Swift SDK for easy integration of charging experiences into any app
Added support for Voice Over, Voice Control and Dynamic Type in the E.ON Drive Comfort app

Swift SwiftUI MapKit App Clips Devtools UIKit CI

iOS Developer

apploft. GmbH • Remote

October 2022 — October 2023

Built an app for a German furniture store and a cultural agency in Germany
Worked on an app in the tourism industry
Led the transition towards SwiftUI across many different projects

Swift SwiftUI UIKit

Junior iOS Developer

apploft. GmbH • Remote

October 2020 — October 2022

Worked on the mobile app of a large German bank

Swift SwiftUI UIKit

Student Assistant

University of Freiburg • On Site

April 2020 — September 2020

Tutor for the lecture “Theoretical Computer Science”

Python C C++

Working Student

Novodactum • On Site

January 2020 — March 2020

Developed a system to optimize time tracking

HTML CSS JavaScript Vue.js

Tutor

Lernscheune • On Site

December 2016 — July 2020

Math exam-preparation courses (“Abitur” preparation)

Python C C++

Student Assistant

University of Freiburg • On Site

July 2019 — December 2019

Researched algorithms to speed up the analysis of propositional logic formulas

Implemented several algorithms that compute prime implicants and prime implicates

Python C C++

Student Assistant

University of Freiburg • On Site

April 2018 — July 2018

Tutor for the hardware lab course

Arduino C C++

Student Assistant

University of Freiburg • On Site

December 2015 — May 2016

Restructured the website of the IRTG CoCo research group

HTML CSS JavaScript PHP

Freelance work (web design)

Freelancing • Remote

2014 — 2016

Developed custom web systems for companies and research groups

HTML CSS JavaScript PHP

Education

Bachelor of Science in Computer Science

University of Freiburg • Freiburg, Germany

October 2016 — September 2020

Studies of Physics (2 semesters)

University of Freiburg • Freiburg, Germany

October 2015 — October 2016

General university entrance qualification (Abitur)

Albert-Schweitzer-Gymnasium • Freiburg

2003 — 2015

Exam subjects: German, English, Mathematics, Physics
Abitur grade: 1.6 (German grading scale, 1.0 is the best)