Freelancer profile translated to English.
Back to original languageAbout Thies
I build productive GenAI platforms and scalable backend systems. From RAG pipelines to production deployment in regulated environments like GDPR and gematik.
Last: internal knowledge base with AI for a FinTech (40% faster research with LangChain, Qdrant, and Azure OpenAI), sector-specific identity provider for statutory health insurance (Spring Boot with OAuth2/OIDC according to gematik spec), and scaling an e-commerce platform to 10,000+ concurrent users.
My Stack: Python, LangChain, Azure OpenAI, Qdrant for GenAI. Java, Spring Boot, and Angular, React, Vue for Fullstack. Kubernetes, Azure, GCP for infrastructure.
Typical engagements: 2 to 6 months, 20 to 40 hours per week, remote from Germany. Managing Director of Syntriq GmbH. For larger projects, I bring my team.
Available immediately
German
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- SkyMetrixData EngineerTRANSPORTATIONApril 2026 - April 2026Frankfurt am Main, GermanySetup of an ETL pipeline from Microsoft Dynamics 365 Business Central to Azure Data Warehouse via Azure Data Factory. Transformation and aggregation of financial and operational data for connection to Pigment for BI analysis. Multi-phase project with staged migration per data domain, implemented as an external Data Engineer for the client.Result: Central Data Layer as the foundation for company-wide BI and planning applications.Stack: Azure Data Factory, Azure SQL, Dynamics 365 Business Central, Pigment, Azure Key Vault
- Confidential (Gesundheitswesen / GKV)Fullstack EngineerHEALTH AND WELLNESSMarch 2026 - Today (5 months)Fullstack development of a sector-specific identity provider according to gematik specification for a statutory health insurance fund. Implementation of the connection to the central federation of the telematics infrastructure according to OpenID Connect Federation.Backend in Spring Boot with OAuth2 and OIDC stack, token handling, consent management, and client authentication via mTLS. Frontend in Angular with TypeScript. Integration with Microsoft Entra ID for internal admin authentication. Security architecture review included, especially regarding the interplay of Client Credentials Flow, mTLS, and Operator Identity.Work in a regulated environment with high requirements for auditability and compliance.Stack: Java, Spring Boot, Spring Security, Angular, TypeScript, OAuth2, OIDC, Entra ID, PostgreSQL, Docker
- JuvaCareFullstack EngineerHEALTH AND WELLNESSJanuary 2026 - Today (7 months)Köln, GermanyNext.js-based ordering portal for care packages for individuals covered by statutory insurance according to § 40 SGB XI. Development of a visual page builder with inline editing, JSON-based persistence per page, and React Context for edit mode. Migration from Beta to Production environment on Coolify, including domain cutover to juva med.de. Maintenance and continuous further development of the portal.Result: Independent content management by the client without developer tickets, productive platform live for end-users.Stack: Next.js, React, TypeScript, Tailwind CSS, Coolify, Docker
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Education
- Business Informatics B.Sc.Nordakademie2026Duales Studium parallel zur Vollzeittätigkeit als AI Engineer bei einem IT Dienstleister. Schwerpunkte: Softwareentwicklung, KI und Machine Learning, Cloud Architektur, Datenbanken, Enterprise Systeme. Bachelorarbeit: Evaluation autonomer KI Agenten mit LangGraph und LangSmith. Aufbau eines Deep Research Agenten mit OpenAI API, quantitative Auswertung von 100 Durchläufen bezüglich Qualität, Latenz und Prozesseffizienz.