AI Engineer

AI Engineer mit Erfahrung in KI-gestütztem E-Invoicing, Backend-Entwicklung, RESTful APIs und Cloud-Technologien. Fokus auf LLMs & AI Agents (LangGraph, Google ADK) zur Automatisierung, Effizienzsteigerung & Datenvalidierung.

• AI Specialist
• Backend Entwickler
• e Invoice
• Fintech Specialist
• Google ADK
• Google Cloud
• IT-Berater
• Java-Entwickler
• Python-Programmierer
• Spring Framework

I am an AI Engineer and HR professional with a versatile background in intelligent systems, software development, and human resources processes. I combine technical expertise with business insight to design scalable, automated, and efficient solutions across multiple industries. My experience ranges from AI-driven applications to backend development, cloud deployment, and workflow automation.

I am open to projects in AI, software engineering, HR tech, data analysis, and process automation. My approach focuses on delivering solutions that are reliable, maintainable, and aligned with real business needs, while leveraging cutting-edge AI tools and technologies.

? Core Competencies & Skills

Artificial Intelligence & Agents: LLMs, LangChain, LangGraph, Google ADK, Gemini API, OpenAI API, prompt engineering, RAG, Agent Frameworks, workflow orchestration, adaptive AI solutions.

Backend Development & APIs: Java (Spring Boot, Hibernate, JDBC, JavaFX, Thymeleaf), Python, REST APIs, modular system design.

Web & Cloud Technologies: HTML, CSS, JavaScript, Node.js, React.js, cloud deployment, scalable architecture, microservices.

Databases & Data Processing: MySQL, PostgreSQL, MongoDB; data integration, validation, and analytics.

Testing & Versioning: JUnit, Mockito, Git, GitHub; ensuring code quality and maintainability.

HR & Business Systems: SuccessFactors, OrangeHRM, Fedena, Salesforce Administration, process automation and HR analytics.

Project Management & Coordination: Jira, n8n, Power BI; managing projects efficiently and ensuring timely delivery.

How I Work

I approach projects with a structured yet flexible mindset, emphasizing scalable, modular solutions and continuous learning. I enjoy tackling complex challenges and bridging the gap between business needs and technical solutions. Collaboration, knowledge sharing, and delivering measurable impact are central to my work philosophy.

Why Work With Me

Cross-industry experience: HR, software development, AI applications, automation, and analytics.

Strong technical foundation in AI, backend, web technologies, and databases.

Practical knowledge of business processes and HR systems, enabling smarter, human-centric solutions.

Fluent English and B2-level German, allowing effective communication in international projects.

Passion for creating efficient, intelligent, and user-oriented systems.

? What I Offer Freelance Clients

AI solutions: automation, natural language understanding, intelligent agents, LLM-based systems.

Full-stack development: backend, APIs, frontend, and database integration.

HR tech & analytics: process optimization, HR system integration, data-driven insights.

Cloud deployment and scalable system design.

Custom workflow automation and cross-system integration.

I am ready to help startups, SMEs, and corporates leverage AI and software to streamline operations, automate workflows, and enhance decision-making. My goal is to deliver high-quality, adaptive solutions that are technically robust and business-relevant.

Vision & Motivation

I am passionate about building adaptive, intelligent systems that reduce manual effort, improve efficiency, and enable humans to focus on strategic tasks. I aim to combine my AI, development, and HR expertise to create solutions that make processes smarter, faster, and more reliable.

Machine Learning & Deep Learning

Data Processing & Automation

REST API Development (FastAPI, Flask)

Cloud Computing (Google Cloud Platform, AWS basics)

SQL & NoSQL Databases (PostgreSQL, MongoDB)

Git / GitHub / CI/CD

Docker & Containerization

MLOps & Model Deployment

Python (NumPy, Pandas, Scikit-learn, TensorFlow, PyTorch)

Agile / Scrum methodology

Data Visualization (Plotly, Matplotlib)

Prompt Engineering & LLM Integration (ChatGPT API, Vertex AI)