Recommended expert
Christoph Diefenthal
Agentic RAG AI System
Experience
Mar 2025 - Oct 2025
8 monthsStuttgart, Germany
Agentic RAG AI System
Financial Services Provider
- Developed an agentic RAG system to support the development organization.
- Technologies: Python, LangGraph, Qdrant, Claude Code, GitHub.
Jan 2025 - Nov 2025
11 monthsStuttgart, Germany
Software Team Consulting
Bertsch Innovation GmbH
- Scrum implementation, product development guidelines, architecture improvements in the automotive PIM system.
Mar 2023 - Dec 2023
10 monthsMannheim, Germany
Vue.js Development
Financial Services Provider
- Expanded a comprehensive Vue.js portal, optimized the frontend architecture.
Sep 2022 - Dec 2025
3 years 4 monthsMannheim, Germany
ESB Data-Migration
Finance & Tax Software
- Synchronization between CRM and Salesforce, data modeling, monitoring, data robustness.
Apr 2022 - Jul 2022
4 monthsFrankfurt, Germany
React Developer
DB Systel / Deutsche Bahn
- Developed interactive data science portals.
- API integrations and data visualization.
Feb 2021 - Feb 2022
1 year 1 monthStuttgart, Germany
CTO
mentor-app.de
- Technical leadership of a coaching platform.
- Building a microservice architecture and UX design.
- Managing offshore development.
Jan 2016 - Dec 2021
6 yearsStuttgart, Germany
Automotive & Enterprise Architecture
iteratec GmbH
- Product development and data integration.
- Machine learning with neural networks and TensorFlow.
- Microservices and connected car features.
Jan 2005 - Dec 2016
12 yearsStuttgart, Germany
Software Development & Architecture
Bertsch Innovation GmbH
- Long-term work on web portals, including introducing WISO Steuer as a web version.
- PIM/MAM product management, e-commerce, and integration projects.
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 (20.5 years), Automotive (7 years), Banking and Finance (3.5 years), Education (1 year), and Transportation (0.5 years).
Information Technology
Automotive
Banking and Finance
Education
Transportation
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 (20.5 years), Product Development (18.5 years), Research and Development (6 years), Project Management (2 years), and Business Intelligence (0.5 years).
Information Technology
Product Development
Research and Development
Project Management
Business Intelligence
Summary
Senior Software Architect & AI/LLM Engineer with over 20 years of experience in software development, enterprise architecture, data integration, and modern AI system development. Specialized in agentic RAG systems, LLM orchestration, cloud architecture, product development, and complex enterprise platforms in the automotive, finance, and SaaS sectors.
Skills
- Ai & Llm: Rag, Langgraph, Openai/claude/mistral, Vector Databases
- Software Development: Python, Node.js, Java, React, Vue.js
- Architecture: Microservices, Cloud (Aws/azure), Ci/cd, Devops
- Enterprise Integration: Esb, Data Migration, Apis, Pim/mam
- Coaching & Product Development: Agile Methodologies, Team Leadership, Ux
Languages
German
NativeEnglish
AdvancedEducation
Stuttgart Media University
Diploma (FH) · Stuttgart, Germany
Profile
Created
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Frequently asked questions
Do you have questions? Here you can find further information.
Where is Christoph based?
Christoph is based in Stuttgart, Germany and can operate in on-site, hybrid, and remote work models.
What languages does Christoph speak?
Christoph speaks the following languages: German (Native), English (Advanced).
How many years of experience does Christoph have?
Christoph has at least 21 years of experience. During this time, Christoph has worked in at least 8 different roles and for 6 different companies. The average length of individual experience is 3 years and 7 months. Note that Christoph may not have shared all experience and actually has more experience.
What roles would Christoph be best suited for?
Based on recent experience, Christoph would be well-suited for roles such as: Agentic RAG AI System, Software Team Consulting, Vue.js Development.
What is Christoph's latest experience?
Christoph's most recent position is Agentic RAG AI System at Financial Services Provider.
What companies has Christoph worked for in recent years?
In recent years, Christoph has worked for Financial Services Provider, Bertsch Innovation GmbH, Finance & Tax Software, DB Systel / Deutsche Bahn, and mentor-app.de.
Which industries is Christoph most experienced in?
Christoph is most experienced in industries like Information Technology (IT), Automotive, and Banking and Finance. Christoph also has some experience in Education and Transportation and Logistics.
Which business areas is Christoph most experienced in?
Christoph is most experienced in business areas like Information Technology (IT), Product Development, and Research and Development (R&D). Christoph also has some experience in Project Management and Business Intelligence.
Which industries has Christoph worked in recently?
Christoph has recently worked in industries like Information Technology (IT), Automotive, and Banking and Finance.
Which business areas has Christoph worked in recently?
Christoph has recently worked in business areas like Information Technology (IT), Product Development, and Research and Development (R&D).
What is Christoph's education?
Christoph attended Stuttgart Media University.
What is the availability of Christoph?
Christoph is immediately available full-time for suitable projects.
What is the rate of Christoph?
Christoph's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
How to hire Christoph?
To hire Christoph, click the Meet button on the profile to request a meeting and discuss your project needs.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
1000
750
500
250
Market avg: 820-980 €
Market avg: 820-980 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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