Real Projects

Success Stories

Real projects, real results — from enterprise product management to AI prototyping.

Enterprise & Product Management

Telecommunications|3 years|Telefónica Germany

B2B Transformation and API Platform

Challenge

Telefónica's B2B division needed a fundamental transformation: outdated processes, no API strategy, and no scalable product portfolio for the mid-market.

Solution

Drove the B2B transformation over 3 years as Technical Product Manager: API design, SAFe adoption, feature prioritization, and cross-functional delivery in a 50+ person setup.

30+

Features shipped to production

B2B

Full division transformation

SAFe

Agile@Scale with 50+ people

"Outstanding expertise — successfully delivered MVP scope under a tight timeline. Deep knowledge of agile product development combined with a pragmatic and fast-paced approach."

— Ivan Karnik, Senior Product Manager, Telefónica Germany
Automotive & E-Commerce|1 year|elli.eco (Volkswagen Group Charging)

E-Commerce Migration for VW Group Charging

Challenge

The elli.eco online shop needed to migrate from Shopify to PIMCore — with zero downtime, a complex B2B dealer portal, and conversion optimization during the rebuild.

Solution

Led the migration, built the B2B dealer portal, and optimized conversion rates in parallel. Close collaboration with payment, logistics, and marketing teams.

0

Days downtime during migration

B2B

Dealer portal live

↑

Conversion rate optimized

"Decisive role in migrating the elli.eco e-commerce shop. Project management skills, technical expertise, and the ability to collaborate effectively ensured a smooth and successful transition."

— Stefan Gravenstein, Freelance Payment Consultant
Loyalty & Retail|2 years|DeutschlandCard (Bertelsmann)

Loyalty Platform: GDPR & Conversion Optimization

Challenge

The loyalty platform with millions of users needed GDPR compliance — while simultaneously increasing, not decreasing, the conversion rate.

Solution

Managed GDPR implementation and ran parallel A/B tests for opt-in flows and homepage redesign. Result: compliance + better performance.

+15%

Conversion rate increase

GDPR

Full compliance achieved

Millions

Platform users

Telecommunications|2 years|M-net Telekommunikation

B2B Customer Portal with Analytics Integration

Challenge

M-net's B2B customers had no self-service portal. Support requests came via phone and email, with no transparency on contracts and usage.

Solution

Built the B2B portal from scratch as Interim Product Owner: contract overview, usage analytics, and customer service process optimization.

1

New B2B self-service portal

Live

Usage analytics integrated

↓

Support requests reduced

Tech & Startups|1 year|Liberty Networks

MVP Launch and Conversion Optimization

Challenge

The startup had a product in development but no structured launch process and no conversion data. Go-to-market needed to be fast and data-driven.

Solution

Agile product coaching: defined MVP scope, set up conversion tracking, supported the launch, and coached the team in data-driven product development.

MVP

Successfully launched

↑

Conversion optimization

Coaching

Team enablement

AI & Claude Code Projects
AI & Fintech|3 weeks|Fintech company in DACH region

AI Video Avatar Platform for Financial Services

Challenge

The client wanted to launch an AI-powered video avatar platform but had neither a clear pricing strategy nor a validated offering for the B2B market.

Solution

Conducted competitive analysis of the avatar market, developed value-based pricing, and created a turnkey proposal with ROI argumentation.

5.4×

Price increase through value-based pricing

3 weeks

From idea to market-ready offering

1

Turnkey proposal package

B2B Consulting|2 weeks|Industrial consulting firm

B2B Consulting Website — MVP in 2 Weeks

Challenge

The client needed a professional web presence with trust signals and lead capture but had neither agency budget nor months of time.

Solution

Built complete B2B website with React/TypeScript and Claude Code: trust signals, lead capture, GDPR compliance, and analytics — deployed and live in 2 weeks.

14 days

From zero to live website

12+

Features incl. lead capture & analytics

GDPR

Fully compliant from day 1

Community & Events|4 weeks|Community organizer in Munich

Community Event Platform for Dining Meetups

Challenge

A growing dining community with 60+ members needed its own platform for event booking, waitlists, and member management — without budget for commercial SaaS.

Solution

Built full-stack platform with Claude Code: authentication, event booking, automatic waitlist, and email notifications. Operating costs under €1/month.

60+

Active community members

<€1/mo

Operating costs via free tier

100%

Automated waitlist & email

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