Stefan Gimeson - Freelance Product Owner / Manager

Q: Where is Stefan based?

Stefan is based in Berlin, Germany .

Q: What languages does Stefan speak?

Stefan speaks the following languages: English (Native), Hungarian (Native), Swedish (Native), German (Advanced) .

Q: How many years of experience does Stefan have?

Stefan has at least 24 years of experience. During this time, Stefan has worked in at least 10 different roles and for 11 different companies . The average length of individual experience is 2 years and 10 months . Note that Stefan may not have shared all experience and actually has more experience.

Q: What is Stefan's latest experience?

Stefan's most recent position is Freelance Product Owner / Manager at Self employed .

Q: What companies has Stefan worked for in recent years?

In recent years, Stefan has worked for Self employed , Hubject GmbH , Mondu GmbH , and Mercedez-Benz.io GmbH .

Q: Which industries is Stefan most experienced in?

Stefan is most experienced in industries like Information Technology (IT) , Automotive , Media, and Entertainment and Publishing . Stefan also has some experience in Banking and Finance and Telecommunication .

Q: Which business areas is Stefan most experienced in?

Stefan is most experienced in business areas like Product Development , Information Technology (IT) , and Project Management . Stefan also has some experience in Customer Service , Business Intelligence , and Strategy and Planning .

Q: Which industries has Stefan worked in recently?

Stefan has recently worked in industries like Information Technology (IT) , Banking and Finance , and Automotive .

Q: Which business areas has Stefan worked in recently?

Stefan has recently worked in business areas like Information Technology (IT) , Product Development , and Project Management .

Recommended expert

Berlin, Germany

Experience

Dec 2023 - Present

2 years 3 months

Berlin, Germany

Freelance Product Owner / Manager

Self employed

Working on [link] and [link]
Temporary Product Owner / Product Manager
Project management
Jira/Confluence setup/configuration
Requirements engineering
User story mapping, backlog creation and prioritization
Scrum Master for hybrid and remote teams

Dec 2023 - May 2024

6 months

Berlin, Germany

Technical Product Owner (Freelance)

Hubject GmbH

PO in the team supporting the APAC rollout of Mercedes ME Charge - ME Charge portal webapp and Mercedes ME Android app

Feb 2022 - Nov 2023

1 year 10 months

Berlin, Germany

Senior Product Owner

Mondu GmbH

Responsible for building functionality for outgoing and incoming payments
Sending and receiving API calls and PAIN documents from various partner banks initiating and handling transactions and transaction states
Worked on building core functionality like credit notes, refunds and disputes
Responsible for development of plugins for various shop systems - delivered 5 different plugins in the first year (Shopware5+6, Magento2, WooCommerce and JTL5)

Jan 2021 - Jan 2022

1 year 1 month

Berlin, Germany

Senior Product Owner

Mercedez-Benz.io GmbH

Pay for fuel contactless at hundreds of stations across Germany
Digital fueling in an app (Bertha), in an SDK for the Mercedes ME app suite and in the head unit of your Mercedes
Product Owner in the Bertha team, build apps and SDKs to enable contactless fueling in the Bertha App, in the Mercedes ME app in the car dashboard
Coaching of team members

Oct 2020 - Feb 2020

-1 years -7 months

Berlin, Germany

Entrepreneur in Residence (Freelance)

Beam GmbH

Validation of business case for technician support platform, pitch deck preparation

Sep 2019 - Sep 2020

1 year 1 month

Berlin, Germany

Product Owner

Volkswagen Gebrauchtfahrzeughandels und Service GmbH

Built a vehicle sharing platform MVP from scratch. Back end, apps, user management, KYC, payment, billing, reporting, compliance
Product ownership and Project management for frontend and backend component, Scrum master for local and remote development teams

Dec 2017 - Aug 2019

1 year 9 months

Berlin, Germany

Senior Product Owner

HERE Technologies GmbH

Indoor map learning platform - creating a dynamic parking garage map
Creating and updating automotive maps based on sensor data
Utilizing the HERE Open Location Platform
Creating sensor data collection strategy
Leading a team with 8+ developers, product ownership, agile project management and all scrum master related tasks

Nov 2013 - Nov 2017

4 years 1 month

Berlin, Germany

Product Manager

HERE Technologies GmbH

Building indoor experiences for SDKs and REST APIs for mostly corporate and automotive customers
Working on private venues, parking venues and dynamic venue updates

Jan 2008 - Oct 2013

5 years 10 months

Berlin, Germany

Technical Product Manager

Nokia

Technical Product Manager in HERE Maps team
Worked with indoor maps and data, creating indoor maps for, among others, Lumia devices

Aug 2007 - Jan 2008

6 months

Berlin, Germany

Release Manager

Nokia

Packaging and shipping of navigation software
Frequent interaction with OEMs, including product support and requirements gathering

May 2006 - Aug 2007

1 year 4 months

Berlin, Germany

Senior Java Developer

Jamba! GmbH

J2ME development
Wap/xHTML development

Apr 2005 - May 2006

1 year 2 months

Berlin, Germany

Developer

CELLULAR GmbH

Java developer

Oct 2001 - Mar 2005

3 years 6 months

Berlin, Germany

Developer

Tomorrow Focus AG

Java back end and mobile client development
Worked on brands like Cinema, TV Spielfilm, Playboy

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (15.5 years), Automotive (8.5 years), Media and Entertainment (4.5 years), Banking and Finance (2 years), and Telecommunication (1.5 years).

Information Technology

Automotive

Media and Entertainment

Banking and Finance

Telecommunication

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Product Development (21.5 years), Information Technology (19.5 years), Project Management (5 years), and Customer Service (0.5 years).

Product Development

Information Technology

Project Management

Customer Service

Summary

Product manager with strong experience in product building, stakeholder management and leading software development teams. Experience from multinationals and startup. Pragmatic problem solver, SCRUM expert and vibe coder. The last year I have been strongly focused on my own projects, building a social media posting app , a CMS for CV data and multiple apps (Android, iOS), for example Fejja . Technologies used: node.js, Claude Code, Supabase, Pinecone and I have worked with most AI tools like Cursor, bolt.new, Google AI Studio etc. I have extensive experience in generative AI, mostly focused on image and video generation and prompt engineering. Add development in react native, Google Playstore and Appstore app testing and release process, Expo and RevenueCat experience. As for product management, my focus areas have been product ownership and management, stakeholder management and roadmaps, remote teams management and SCRUM/Kanban.

Languages

English

Native

Hungarian

Native

Swedish

Native

German

Advanced

Education

Aug 1997 - Jan 1998

Corvinus University of Budapest

MARKETING & INFORMATICS · Budapest, Hungary

Jan 1996 - Dec 1999

Lund University

Bachelor's degree, Business Administation · Business Administation · Lund, Sweden

Jan 1996 - Dec 1999

Lund University

Bachelor's degree, Informatics · Informatics · Lund, Sweden

Certifications & licenses

Advanced Certified Scrum Product Owner (ACSPO)

Scrum Alliance

Artificial Intelligence Fundamentals

IBM

Certified ScrumMaster (CSM)

Scrum Alliance

Datadog Foundation

Datadog

Profile

Created

February 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Stefan based?

Stefan is based in Berlin, Germany.

What languages does Stefan speak?

Stefan speaks the following languages: English (Native), Hungarian (Native), Swedish (Native), German (Advanced).

How many years of experience does Stefan have?

Stefan has at least 24 years of experience. During this time, Stefan has worked in at least 10 different roles and for 11 different companies. The average length of individual experience is 2 years and 10 months. Note that Stefan may not have shared all experience and actually has more experience.

What roles would Stefan be best suited for?

Based on recent experience, Stefan would be well-suited for roles such as: Freelance Product Owner / Manager, Technical Product Owner (Freelance), Senior Product Owner.

What is Stefan's latest experience?

Stefan's most recent position is Freelance Product Owner / Manager at Self employed.

What companies has Stefan worked for in recent years?

In recent years, Stefan has worked for Self employed, Hubject GmbH, Mondu GmbH, and Mercedez-Benz.io GmbH.

Which industries is Stefan most experienced in?

Stefan is most experienced in industries like Information Technology (IT), Automotive, Media, and Entertainment and Publishing. Stefan also has some experience in Banking and Finance and Telecommunication.

Which business areas is Stefan most experienced in?

Stefan is most experienced in business areas like Product Development, Information Technology (IT), and Project Management. Stefan also has some experience in Customer Service, Business Intelligence, and Strategy and Planning.

Which industries has Stefan worked in recently?

Stefan has recently worked in industries like Information Technology (IT), Banking and Finance, and Automotive.

Which business areas has Stefan worked in recently?

Stefan has recently worked in business areas like Information Technology (IT), Product Development, and Project Management.

What is Stefan's education?

Stefan holds a Bachelor in MARKETING & INFORMATICS from Corvinus University of Budapest, a Bachelor in Business Administation from Lund University and a Bachelor in Informatics from Lund University.

Does Stefan have any certificates?

Stefan has 4 certificates. Among them, these include: Advanced Certified Scrum Product Owner (ACSPO), Artificial Intelligence Fundamentals, and Certified ScrumMaster (CSM).

What is the availability of Stefan?

Stefan will be available full-time from March 2026.

What is the rate of Stefan?

Stefan's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.