PBFreelancer profile translated to English.
Back to original languageAbout Phillipp
Software development is more than just code for me – it's the opportunity to create real added value through technology. As an experiencedMobile & Full-Stack Developer**, I bring a deep understanding of modern software architectures and develop high-performance, scalable applications for web, mobile, and cloud. My focus is on implementing holistic systems, from app development with **Flutter, Swift, and Kotlinto backend architecture with **Golang, Node.js, and AWS**.
Through my experience as CTO and Lead Software Architect, I have not only built technical systems but also developed strategies for scalable platforms, led agile teams, and been responsible for complex software architectures. I understand both the technical depth of development and the requirements for scalability, performance, and maintainability.
I love diving into complex technical challenges and developing elegant solutions that not only work but are also maintainable and efficient in the long term.Clean code, high performance, and sustainable software developmentare particularly important to me.
My expertise includes:
✅Mobile Apps:Native development for iOS & Android (Swift, Kotlin) as well as cross-platform with Flutter
✅Web Development:Next.js, React, TypeScript, TailwindCSS
✅Backend & Cloud:API development with Golang/Node.js, cloud architectures with AWS (Lambda, DynamoDB, RDS, EventBridge, S3)
My drive is to develop innovative solutions through smart architectures and modern technologies that will last not only today but also in the future.
German
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- addSensors GmbHApp for Sensor Evaluation & Calibration via Bluetooth LE, Mobile Flutter DeveloperFebruary 2025 - March 2025 (1 month)This project focused on developing a Flutter-based application, with an emphasis on modern UI/UX design, seamless integration ofBluetooth Low Energy (BLE)forsensor registrationand **calibration**, as well as optimizing performance and code quality for long-term maintainability and scalability.
- **Flutter**, adhering to current technological standards and best practices.
- **Design and implementation of an intuitive UI/UX**, focusing on a modern, user-friendly interface with fluid interactions and high usability.
*Optimization of app performance and code qualityto ensure long-term maintainability and scalability. - Albrecht Jung GmbH & Co. KGJungHome App, Smart Home, iOS App EngineerMay 2023 - January 2025 (1 year and 8 months)Design and development of an advanced smart home control system usingBluetooth Mesh technologyto enable seamless communication between multiple IoT devices for efficient and scalable home automation.
- Implementation of an intuitive and user-friendly device setup process, ensuring a smooth onboarding experience for users while optimizing the interface for effortless device management and real-time control.
- Experience with Swift and SwiftUI, applying modern iOS development standards to create a high-performance, visually appealing, and responsive application.
- Expertise in Bluetooth Low Energy (BLE) and Bluetooth Mesh networks to ensure reliable device communication, low latency, and energy-efficient data transmission throughout the smart home ecosystem.
- Integration ofFirebase servicesfor **real-time data synchronization, remote device management**, and secure cloud connectivity, thereby improving overall system reliability and performance.
- Close collaboration with **cross-functional teams**, including embedded engineers and UX designers, to deliver a seamless and holistic smart home experience.
- Focus on iOS development
Technologies:- native iOS: Swift
- native Android: Kotlin
- Firebase for backend and real-time functions
- BLE (Bluetooth Low Energy) and Bluetooth Mesh for device communication
- Gitlab, Gitlab Pipeline
- Tuist
- Agile, Scrum
- Figma
- FreiberuflichIT FreelancerMay 2023 - Today (3 years and 1 month)Osnabrück, GermanyI developmobile apps, backend systems**, and scalable **cloud architecturesfor various clients. My focus is on the technical conception and implementation of efficient software solutions with Flutter (or native) for mobile apps, Golang and Node.js for backends, and AWS for cloud infrastructures.Tasks
- Development of high-performance mobile apps withFlutter, Swift**, and **Kotlin
- Conception and implementation of scalable backend systems withGolangandNode.js
- Building and optimizing cloud architectures withAWS
- Development of modern web applications withReact, Next.js**, and **TypeScript
- Consulting on architecture, scaling, and technology selection
Preferred Technologies & Tools- **Mobile**: Flutter, Swift, Kotlin
- **Backend**: Golang, Node.js, PostgreSQL
- **Cloud**: AWS (Lambda, API Gateway, S3, RDS)
- **Web**: Next.js, React, TypeScript
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Education
- Master of ScienceUniversity of Osnabrück2012Master of Science - MS, Informatik und BWL
- Bachelor of ScienceUniversity of Osnabrück2009Bachelor of Science - BS, Physik mit Informatik
Certifications
- AWS Certified AI PractitionerAmazon Web Services (AWS)
- AWS Certified Solutions Architect – AssociateAmazon Web Services (AWS)2024