freiberufler Product Leader. Full-Stack Software Developer with AI Expertise. auf freelance.de

Product Leader. Full-Stack Software Developer with AI Expertise.

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  • 21.01.2026

Kurzvorstellung

Masterful in Product Innovation and bringing Products to Market. Developed AI, Web, Mobile & IoT Products from scratch through solo development, leading Product Teams and Product Managers.

Geschäftsdaten

 Freiberuflich
 Steuernummer bekannt

Qualifikationen

  • .Net Framework (Microsoft)12 J.
  • Artificial Intelligence
  • C#8 J.
  • Cloud-Services3 J.
  • Cloud Computing3 J.
  • Conversion Specialist2 J.
  • Full Stack Developer2 J.
  • Generative KI2 J.
  • GPT2 J.
  • Langchain2 J.
  • Large Language Models2 J.
  • Machine Learning2 J.
  • Microsoft Azure4 J.
  • Natural Language Processing2 J.
  • Natural Language Understanding2 J.
  • Produktmanagement12 J.
  • Produktmanager
  • Python3 J.
  • Python-Programmierer2 J.
  • Softwareentwickler7 J.
  • Softwareentwicklung (allg.)9 J.
  • User Experience (UX)3 J.
  • User Interface (UI)3 J.
  • Web Entwicklung3 J.

Projekt‐ & Berufserfahrung

Freelance Product Manager and Software Developer
AI Product Management and Development, Berlin
12/2023 – offen (2 Jahre, 4 Monate)
IT & Entwicklung
Tätigkeitszeitraum

12/2023 – offen

Tätigkeitsbeschreibung

After concluding my product development services with PSS Polymer Standards Services, I pursued AI Product Management and Development. After training and certification with Udacity AI Product Manager Nanodegree, I built 2 AI-driven products to demonstrate my capability to lead AI-driven development.

1) AI Chatbot as a Proof of Concept for Conversational AI Clinic Receptionist.
2) Automated Email Processing with ChatGPT using LangChain and LangGraph to implement an Agentic Workflow with an ReAct Agent to process "Product Inquiries" and "Order Requests" emails.

Currently developing my third AI-driven product. A Generation AI product.

Eingesetzte Qualifikationen

.Net Framework (Microsoft), Cloud-Services, Cloud Computing, Conversion Specialist, Generative KI, GPT, Langchain, Large Language Models, Machine Learning, Microsoft Azure, Natural Language Processing, Natural Language Understanding, Produktmanagement, Python, Python-Programmierer, Softwareentwicklung (allg.), User Experience (UX), User Interface (UI)

Director of Product (Festanstellung)
FRAMEN GmbH, Berlin
1/2022 – 3/2022 (3 Monate)
Medienbranche
Tätigkeitszeitraum

1/2022 – 3/2022

Tätigkeitsbeschreibung

I was hired by the CEO to professionalise the Product Management organisation with established practices and hiring Product Managers. Despite my PLG initiatives success with product department and business stakeholders, other executives preferred a traditional silo feature-driven development structure. So, I decided to resign as I was a poor fit and they deserved someone willing to execute on their organisation structure.

Eingesetzte Qualifikationen

Business to Business, Marketing, Produktdesign, Produktmanagement, Softwareentwickler, Werbung

Freelance Product Manager & Software Developer
PSS Polymer Standard Services, Berlin
1/2020 – 11/2023 (3 Jahre, 11 Monate)
Chemieindustrie
Tätigkeitszeitraum

1/2020 – 11/2023

Tätigkeitsbeschreibung

Maintained and developed additional features for PSS Column Selector that was built in 2015. Retired the Single Web Page Application (SPA) after Agilent Technologies acquired PSS. Agilent decdied to develop their own version for better integration with their digital products.

Eingesetzte Qualifikationen

.Net Framework (Microsoft), API-Entwickler, ASP.NET, Business to Business, C#, CSS (Cascading Style Sheet), Entity Framework, Frontend Entwickler, HTML5, JavaScript, JavaScript-Entwickler, JavaScript-Frameworks, Json, Microsoft SQL-Server (MS SQL), Produktmanagement, Software Architecture, Softwareentwickler, SQL, Web Entwicklung

Product Management Team Lead (Festanstellung)
HelloFreshGO GmbH, Berlin
1/2020 – 7/2021 (1 Jahr, 7 Monate)
Gastronomie
Tätigkeitszeitraum

1/2020 – 7/2021

Tätigkeitsbeschreibung

Overall responsible for the entire HelloFreshGO Cloud Software Platform and Smart Fridge Hardware. My primary focus is the execution of Product Strategy with a focus on User Engagement, Retention and KPI Optimisation. I grew the department from 0 to 3 Product Managers and weathered Covid-19 by optimising product development for profitability that met investors’ goals. Aside from my leadership responsibilities, together with Stora Enso Oyj, I led the design of RFID Tag specifications and RFID Shelf for the Smart Fridge.

Eingesetzte Qualifikationen

C (Programmiersprache), Python, Business to Business, Cloud-Services, Cloud Computing, Digital Marketing, Internet of Things (IoT), Produktmanagement, Radio-frequency identification (RFID), Saas, Softwareentwicklung (allg.), User Experience (UX)

Lead Project Manager (Festanstellung)
Just Eat Takeaway.com N.V., Berlin
5/2018 – 12/2018 (8 Monate)
Dienstleistungsbranchen (Service)
Tätigkeitszeitraum

5/2018 – 12/2018

Tätigkeitsbeschreibung

Reporting to the CTO, led various projects notably platform launches after Mergers and Acquisitions (M&A). I led 4 M&A platform launches with the most successful launch in Bulgaria. It was completed in 2 months with 90% order retention. In the M & A market launches, I was responsible for product discovery, project planning, risk management across all product teams and business teams such as Marketing, Sales, and Logistics. I led at least 8 Product teams and numerous other business teams in both companies.

Eingesetzte Qualifikationen

Business-To-Consumer, Digital Marketing, ISO / IEC 27001, ISO/IEC 27002, Marketing-Analytiker, Produktmanagement, Projektmanagement, Saas, Softwareentwicklung (allg.)

Product Manager (Festanstellung)
Just Eat Takeaway.com N.V., Berlin
12/2015 – 4/2018 (2 Jahre, 5 Monate)
Dienstleistungsbranchen (Service)
Tätigkeitszeitraum

12/2015 – 4/2018

Tätigkeitsbeschreibung

Due to my strong product leadership and ability to innovate and adapt, I changed role every 4 to 8 months at Just Eat Takeaway. My main role was the Product Owner for lieferando.de and pyzne.pl website, which, I grew into leading market launches of Just Eat Takeaway. Achievements include improving User Engagement/Retention features such as geofencing restaurant listing, ordering experience, marketing campaign and loyalty shop.

Eingesetzte Qualifikationen

Business-To-Consumer, Agile Methodologie, Application Development, Produktmanagement, Projektmanagement, Softwareentwicklung (allg.)

Freelance Product Manager & Software Developer
PSS Polymer Standard Services, Mainz
2/2013 – 11/2015 (2 Jahre, 10 Monate)
Chemieindustrie
Tätigkeitszeitraum

2/2013 – 11/2015

Tätigkeitsbeschreibung

For PSS Polymer Standards Service, serving as a Product Manager and a full-stack developer, I developed 3 digital products from the ground up. A Single Page Application web application (SPA) based on Durandal (currently Aurelia), a Chromatography Oven device driver based on Agilent Rapid Control .Net framework and PSS Rapid Control .Net Framework software library.

Eingesetzte Qualifikationen

Microsoft SQL-Server (MS SQL), SQL, Full Stack Developer, .Net, .Net Framework (Microsoft), C#, ASP.NET, CSS (Cascading Style Sheet), HTML5, JavaScript, JavaScript-Frameworks, Chemietechniker, Produktmanagement, Softwareentwicklung (allg.)

Independent Software Publisher
List 'N' Check It!, Singapur
1/2012 – 1/2013 (1 Jahr, 1 Monat)
IT & Entwicklung
Tätigkeitszeitraum

1/2012 – 1/2013

Tätigkeitsbeschreibung

Successfully developed and deployed a checklist application (List ‘N’ Check It!) on the Windows Phone platform. Core features are Drag and Drop functionality and an aesthetically pleasing Checklist User Interface. The Drag and Drop feature was then a novelty and is now ubiquitous in all checklist applications today. It was available in 15 languages and launched in 22 countries with an average rating of 4.0/5.0 stars.

Eingesetzte Qualifikationen

.Net Framework (Microsoft), User Interface (UI), Microsoft Windows Mobile, Softwareentwickler, Windows Presentation Foundation

Development Team Lead (Festanstellung)
Enhanzcom Pte Ltd, Singapur
9/2010 – 12/2011 (1 Jahr, 4 Monate)
IT & Entwicklung
Tätigkeitszeitraum

9/2010 – 12/2011

Tätigkeitsbeschreibung

Head of Engineering role responsible for team leadership, technical roadmap and software architecture. I grew the team from 2 to 5 developers delivering on both project and infrastructure features. My accomplishments include designing and initiating software architecture transition to Windows Azure (IaaS) for scalability. Also, initiated and applied architecture Design patterns & Principle in Code Review and Performance Review to address architectural design uniformity and maintainability.

Eingesetzte Qualifikationen

.Net, .Net Framework (Microsoft), C#, Microsoft Azure, Enterprise Resource Planning, IT Ingenieur-Infrastruktur, Software Architecture, Software Design, Softwareentwickler

Application Developer (Festanstellung)
Enhanzcom Pte Ltd, Singapur
12/2009 – 8/2010 (9 Monate)
IT & Entwicklung
Tätigkeitszeitraum

12/2009 – 8/2010

Tätigkeitsbeschreibung

Software Engineer responsible for delivering on customised ERP solutions and innovation. Innovative features such as User Customisable Globalisation functionality, Software Licensing Model based on Public Key Cryptography and Microsoft Silverlight as a graphical and interactive reporting tool.

Eingesetzte Qualifikationen

Enterprise Resource Planning, C# Developer, .Net Framework (Microsoft), C#, Microsoft Azure, ASP.NET, CSS (Cascading Style Sheet), JavaScript, Json, Software Design, Softwareentwickler, Softwareentwickler in Funktionsdesign

Zertifikate

Generative AI Application Design and Development
Udemy
2025
ISO27001 Certified ISMS Foundation (CIS F)
International Board for IT Governance Qualifications (IBITGQ)
2017
ISPMA Certified Software Product Manager
International Software P;rodcut Management Association
2015
PMI Agile Certified Practitioner (PMI-ACP)
Project Management Institute
2015

Ausbildung

AI Product Manager Nanodegree
Ausbildung
Udacity
2024
Growth Product Manager Nanodegree
Ausbildung
Udacity
2024
Bachelor of Computing
2009
National University of Singapore
2009
Singapore

Persönliche Daten

Sprache
  • Englisch (Muttersprache)
  • Chinesisch (Muttersprache)
  • Deutsch (Grundkenntnisse)
Reisebereitschaft
Europa
Arbeitserlaubnis
  • Europäische Union
Home-Office
bevorzugt
Profilaufrufe
136
Berufserfahrung
16 Jahre und 3 Monate (seit 12/2009)

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