cat experience.md

Delivered enterprise-grade platform capabilities across data engineering, document management, internal platform architecture, and e-commerce — serving regulated government and retail clients over 4+ years.

• Live System
• Microservices
• Platform Engineering
• Consulting

Positions at this company

1. Lead Data Engineer

   Oct 2025 - Present

   Project: SOKA-BAU — AGMV Orchestration (BA/GKV Data Integration)

   Frankfurt, Germany · Hybrid

   Designed and developed a production-grade data orchestration platform using Dagster to automate ETL workflows for SOKA-BAU, processing multi-source data from SAP BW systems, REST APIs, and XML feeds.

   • *Architected a multi-repository Dagster orchestration system with 4 distinct data pipelines processing BA establishment data, SAP BW queries, legal employment requests, and recurring enrichment jobs.
   • *Designed a staging-to-curated transformation workflow with temporal versioning and date-based record ordering for accurate establishment master data management.
   • *Built a modular database layer using SQLAlchemy with PostgreSQL and SQL Server, implementing connection pooling, transaction management, and schema versioning.
   • *Developed a comprehensive error handling and resilience framework with duplicate transaction detection, graceful degradation, and detailed operational logging.

2. Senior Software Engineer & Consultant

   Jan 2025 - Present

   Project: SOKA-BAU — Reporting & Automation Platform (SOKA-NET)

   Frankfurt, Germany

   Designed and implemented enterprise document management and case management systems covering full-stack development with a strong focus on integration and automation.

   • *Designed microservices with Java 17+ and Spring Boot 3.x for automated document processing, archiving, and case management with Spring Batch jobs for concurrent file processing.
   • *Developed RESTful and SOAP APIs for partner search, report generation, and external integrations with PostgreSQL, JPA, Flyway migrations, and Jenkins CI/CD pipelines.
   • *Built Angular 17+ SPA with standalone components, signals, and lazy-loaded routing for case management, company search, inquiry management, and document uploads.
   • *Integrated ngx-translate for German i18n localization and HTTP interceptors for centralized error handling and request/response processing.

3. Senior Software Architect

   Nov 2024 - Feb 2025

   Project: Accelerator (Internal Platform)

   Munich, Germany

   Led the design and implementation of the Accelerator project, building a scalable and modular internal platform following modern architectural principles.

   • *Designed software architecture based on Hexagonal Architecture and Domain-Driven Design (DDD) for modularity and maintainability.
   • *Built the backend with NestJS using Fastify as the HTTP provider and the frontend with Next.js for high-performance APIs and a responsive user experience.
   • *Provisioned and managed cloud infrastructure with Terraform; containerized and deployed the application using Docker and AWS ECS.
   • *Integrated Algolia for powerful search functionality and Commercetools as the flexible and scalable commerce engine.

4. Senior Software Engineer & Consultant

   Dec 2021 - Oct 2024

   Project: E-Commerce Platforms — Porta.de & moebel-boss.de

   Munich, Germany

   Spearheaded the development and innovation of Porta.de, a cutting-edge multitenancy e-commerce platform, delivering exceptional user experiences.

   • *Implemented advanced search with Google Vertex AI and Algolia, enhancing product discovery and user engagement.
   • *Integrated Commercetools as the core e-commerce engine and built Contentful modules with React.js and Next.js for seamless dynamic content management.
   • *Optimized sales campaigns with Dynamic Yield, improving personalization and conversion rates.
   • *Deployed demo applications on Heroku for stakeholder reviews and managed CI/CD pipelines with GitHub Actions.

Technical Overview