René (Simon) Pfisterer
Founder and CEO
Experience
Full Stack Developer
XPS Software
- Industry: B2B
- Headless frontend with AEM integration
- Key challenge: Migrating a PWA application in live operation based on .NET and legacy code; the entire application must be converted to React and Express.js/TypeScript
- Technical frameworks: Tailwind, XML, JavaScript, Caddy, ReactJS, Express.js, REST API, JSON
- Cloudflare CDN
- Caddy server with GitHub CI/CD pipeline
Full Stack Developer
AWAVE
- Industry: Procurement (B2B)
- Custom-built website & services
- Key challenge: Create a highly attractive website and improve application processes by integrating the Glassdoor review platform
- Technical frameworks: Mongo, Express.js, React & Next.js, Node.js, REST API
- Prisma, LangChain, Langfuse, GitHub CI/CD pipelines
- AI integration: Redis, PostgreSQL, OpenAI GPT Models (GPT-4o, GPT-5), LangChain & LangGraph for agent workflows, LiteLLM as an LLM proxy with budget-tracking, Pinecone as a vector database for RAG, Langfuse for observability
WordPress Developer
René Pfisterer
- Industry: Consulting (B2B)
- Custom-built website with Elementor
- AI integration: OpenAI GPT Models (GPT-4o, GPT-5), LangChain & LangGraph for agent workflows, LiteLLM as an LLM proxy with budget-tracking, Pinecone as a vector database for RAG, Langfuse for observability
- Technical frameworks: MySQL, PHP, REST API, JavaScript, HTML5/CSS3
- NGINX, Apache, Debian server
Full Stack Developer
Sourcera
- Industry: Procurement (B2B)
- Custom-built website & services
- Key challenge: Create a highly attractive website and improve application processes by integrating the Glassdoor review platform
- Technical frameworks: Mongo, Express.js, React & Next.js, Node.js, REST API
- Prisma, LangChain, Langfuse, GitHub CI/CD pipelines
- AI integration: Redis, PostgreSQL, OpenAI GPT Models (GPT-4o, GPT-5), LangChain & LangGraph for agent workflows, LiteLLM as an LLM proxy with budget-tracking, Pinecone as a vector database for RAG, Langfuse for observability
Full Stack Developer
SaleScale
- Industry: B2B
- WordPress CMS + HubSpot API integration
- Key challenge: Design and develop a highly attractive site with a storytelling approach
- Technical frameworks: HTML5/CSS3, Twitter Bootstrap, XML, JavaScript, NGINX, ReactJS, PHP, API, JSON
- Cloudflare CDN
Full Stack Developer
Promedis24
- Industry: Nursing
- Wagtail CMS
- Key challenge: Highly customized Wagtail CMS system
- Technical SEO optimization of the entire Wagtail instance
- Migration of the Talention job platform from jobs.promedis24.de to promedis24.de/jobs
- Implementation of AI automation processes for application handling
- Talention API integration of the job platform with the recruiting system
- Technical frameworks: HTML5/CSS3, Tailwind CSS, Django/Next.js, JSON, JavaScript, NGINX, Apache, Python, PostgreSQL, MySQL, Linux
- AI: LCM, LLM, OpenAI, N8N + Airtable
- Cloudflare CDN
Full Stack Developer
Softgames
- Industry: Games
- WordPress CMS + Headless CMS
- Key challenge: Creating a highly attractive website and improving application processes by integrating the review platform Glassdoor
- Connecting closed systems via REST API
- Technical frameworks: HTML5/CSS3, Bootstrap, XML, JavaScript, NGINX, React.js, PHP, API, JSON
- Cloudflare CDN
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 (1 year) and Professional Services (0.5 years).
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 Information Technology (1 year), Product Development (1 year), Procurement (0.5 years), and Supply Chain Management (0.5 years).
Summary
Every successful team thrives with empathic leadership and patience.
+14 years of total digital work experience. Of which more than 12 years is a combined experience as an Agile Product Owner, Agile Coach and as a technical Project Manager (Waterfall. I obtained eCommerce and enterprise companies as well as core APP Android and iOS mandates for Fazua, DHL, Volkswagen, Daimler Fleet Innovation Hub, Klarna or smart Europe. I act as a role model in leadership positions and usually tend to inspire people to be live their best version of themselves. My purpose is not only supporting companies to thrive. I lead organizations to performance based and delivery-driven output. This always happens with a lot of enthusiasm, motivation, and passion within my IT eCommerce consulting contracts. My core competencies can be found in the leadership and e-commerce IT systems, with a passion for psychology and finding solutions to problems by asking the right questions.
Skills
User Stories Management (Conducting User Story Mapping Workshops, Conducting User Story Value And Market Impact Workshops, Writing User Stories, Defining The Business Value Of User Stories With Business Developers, Epic / Milestone Definition, Calculation Of Story Values And Sprints)
Defining A Product Vision (Vision Board)
Creating Lean Business Model Canvas (Strategizer)
Leading Up To 30 People (Offshore, Nearshore, And Local Teams)
Budget And Resource Management
Conducting Stakeholder Meetings And Interviews With Customers/clients
Backlog Management (Prioritizing And Refining The Product Backlog)
Team Lead Of Up To 30 Teams
Defining A Central Product / Release Roadmap
Prioritizing The Development And Central Planning Of The Execution
Working Back To Back With The Head Of Product To Realize The Requirements
Atlassian (Jira & Confluence): +10 Years
Sap Hybris: 2 Years
Miro: +5 Years
Notion: +3 Years
Gen-ai–management: +2 Years
Servicenow: 1,5 Yrs
Scrum / Kanban: +8 Years
Waterfall: +12 Years
Agile: +8 Years
Lean Management: +8 Years
Ecommerce (Sap Hybris / Sa/4 Hana)
Agile It Product Owner
Data-driven Design Decisions
Android / Ios App Development
Process Management
Agile Scrum / Kanban
Ui Interface & User-centric Design
Html5/css3: Advanced
Php: Intermediate
Ruby On Rails: Beginner
Api: Intermediate
Json: Intermediate
Javascript: Beginner
Nginx: Intermediate
Apache: Intermediate
Distinctive Analytical Skills
Structured Working Methods
Strong Communication Skills
High Leadership Skills
Customer-centric User Journeys
Strong Creative Design Skills
Automation And Efficiency
Online Marketing
Branding
Nlp & Psychology
Lean Startup (Strategyzer)
Lean Ux & Ux Research
Design Thinking
Languages
Certifications & licenses
CAL (1)
OKR Coach
Personal & Business Coach
Certified Scrum Product Owner
Scrum Alliance
Certified Scrum Master
GPM / IPMA - Level D
NLP-Practitioner
Profile
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