Josef B.-Founder & Product Owner
Check rate
Experience
Founder & Product Owner
sei jetzt
- Booking and payment platform for event organizers, live with paying customers, bootstrapped
- Product owner from day one: roadmap, prioritization, requirements from customer feedback, releases
- AI-native delivery: development largely with Claude Code, custom skills, agents and MCP servers, plus a pipeline that fixes production errors and submits the fix for review
- LLM features in production, e.g. extracting event data from flyers and texts
- Architecture and operations: Laravel, Livewire, MariaDB, Stripe Connect with payouts to organizers, PayPal, invoicing with DATEV export, around 1,200 PHPUnit test classes, CI with automated deployment
Technical Consultant & Solutions Architect
Josef Behr IT
- Payment architecture consulting for a platform provider (2026): Stripe Connect, subscription and invoicing logic
- Architecture and code reviews for SaaS, marketplace and subscription platforms
- Senior backend work in client teams, including a multi-tenant Pimcore project
Senior Backend Developer
mobilezone GmbH
- Backend development in a Spryker enterprise environment, migration, unit testing, refactoring
Solutions Architect
valantic CEC Deutschland
- Technical lead for e-commerce and integration projects (Spryker, Shopware)
- Led a remote team of six developers, requirements engineering, stakeholder communication
Technical Lead, Business Unit Magento 2
basecom GmbH & Co KG
- Technical leadership for multiple parallel client projects
- Integrations with ERP, PIM and payment service providers
- Deployment infrastructure and CI, static code analysis
- Led and mentored teams of up to ten engineers
- Reduced rework tickets by 90% through improved testing and code review processes
Software Developer
basecom GmbH & Co KG
- Feature development, performance, security, automated testing
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Retail, and Telecommunication.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Quality Assurance, and Project Management.
Summary
I build and lead software products and platforms, from product strategy and roadmap prioritization to architecture, implementation and reliable operations. My focus is on e-commerce, SaaS, marketplaces, payments and integrations with ERP, PIM and payment providers. I work with PHP, Laravel, Symfony, TypeScript, Vue.js, Spryker, Magento 2, Shopware, Pimcore, PostgreSQL, MariaDB and modern CI/CD tooling.
I also bring hands-on experience with Stripe Connect, subscription and invoicing logic, LLM APIs in production and AI-native development with Claude Code, agents and MCP. I have led and mentored teams of up to ten engineers and reduced rework tickets by 90% through stronger testing and code review processes.
Skills
Core Strengths
- Product Ownership
- Roadmap & Prioritization
- Technical Leadership
- Team Building & Mentoring
- Software Architecture
- Ai-Native Development (Claude Code, Agents, Mcp)
- Integrations (Shop, Erp, Pim, Payment Providers)
- Payments, Stripe Connect
Technical Skills
- Php, Laravel, Symfony
- Typescript, Vue.Js
- Mariadb, Postgresql, Redis
- Rabbitmq, Elasticsearch
- Rest Apis, Docker, Gitlab Ci
- Llm Apis In Production
- Spryker, Magento 2
- Shopware, Pimcore
- Scrum
Languages
Education
University of Osnabrück
M.Sc. · Cognitive Science · Osnabrück, Germany
University of Osnabrück
B.Sc. · Cognitive Science · Osnabrück, Germany
Certifications & licenses
Leadership & Coaching Training
Life Trust GmbH
Führungstriathlon
B & B GmbH, Georgsmarienhütte
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Josef is based in Westerkappeln, Germany and can operate in on-site, hybrid, and remote work models.
Josef speaks the following languages: German (Native), English (Advanced).
Josef has at least 11 years of experience. During this time, Josef has worked in at least 6 different roles and for 5 different companies. The average length of individual experience is 2 years and 10 months. Note that Josef may not have shared all experience and actually has more experience.
Based on recent experience, Josef would be well-suited for roles such as: Founder & Product Owner, Technical Consultant & Solutions Architect, Senior Backend Developer.
Josef's most recent position is Founder & Product Owner at sei jetzt.
In recent years, Josef has worked for sei jetzt, Josef Behr IT, mobilezone GmbH, and valantic CEC Deutschland.
Josef is most experienced in industries like Information Technology, Retail, and Telecommunication.
Josef is most experienced in business areas like Information Technology, Product Development, and Quality Assurance. Josef also has some experience in Project Management.
Josef has recently worked in industries like Information Technology, Retail, and Telecommunication.
Josef has recently worked in business areas like Information Technology, Product Development, and Project Management.
Josef holds a Master in Cognitive Science from University of Osnabrück and a Bachelor in Cognitive Science from University of Osnabrück.
Josef has 2 certificates. These include: Leadership & Coaching Training and Führungstriathlon.
Josef will be available part-time from November 2026.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 11 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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