• Involved in the strategic design and definition of modernization initiatives, and long-term system evolution

Architecture & Strategy:

• Designed future architecture based on Process-Driven Development and orchestration (Camunda)
• Defined transformation strategy from monolith to modular and microservice-based systems
• Applied Domain-Driven Design (DDD) and Clean Architecture principles

AI & Innovation:

• Introduced AI-driven development workflows using GitHub Copilot, GPT, and Claude
• Created internal concepts and guidelines for integrating AI into development processes
• Focused on improving developer productivity, code quality, and delivery speed

• Responsible for internal software development and technical direction across multiple projects
• Led engineering teams (functional leadership) focusing on architecture, quality, and delivery
• Established standardized development processes and engineering guidelines across teams

Key Contributions:

• Key driver behind the architecture of the "MaKo App" (successful product in the German energy market)
• Introduced Process-Driven Development using orchestration tools (Camunda)
• Improved transparency, incident handling, and operational efficiency across projects

E.ON Engagement:

• Software Architect for the powercloud billing platform
• Acted as bridge between developers, tribe leads, and product owners
• Led developer community initiatives and cross-team standardization

Built and scaled a global search platform operating across multiple domains, including job search, flight search, and real estate.

• Built and scaled a global job search engine operating in 30+ countries
• Aggregated and indexed 30M+ jobs from 4000+ partners worldwide
• Designed high-performance search architecture with sub-50ms response times
• Built a flight search engine integrating 50+ airline APIs in real time
• Developed a real estate search platform aggregating listings from 50+ property portals and agencies

Responsibilities:

• Designed and developed the core platform, including search, backoffice, tracking, billing, and partner integrations
• Built SOA-based communication systems for largescale data aggregation and publisher integrations
• Designed and implemented a cronjob framework with monitoring and failure recovery
• Developed custom CMS and internal frameworks for platform operations

• Contributed to evolution of existing energy-sector software systems
• Identified major gaps in processes, documentation, and system consistency
• Initiated improvements in code quality, structure, and collaboration

• Led a team of 5 engineers delivering billing and contract management features
• Contributed to modernization of a legacy monolith towards modular architecture
• Designed high-performance backend solutions for critical billing processes
• Collaborated closely with product owners, business analysts, and stakeholders

• Built analytics platform for lead tracking in the education sector
• Designed hybrid system combining Symfony backend with Python-based ML services

Key Contributions:

• Developed real-time lead scoring using machine learning (CatBoost)
• Integrated Python (Flask) services for prediction models
• Designed scalable backend architecture with Symfony and Doctrine

• Worked on a large-scale energy billing platform (powercloud), supporting critical processes for major utilities such as EnBW / Yello Strom
• Contributed to the development of backend components and core system processes in a high-load environment

• Contributed to the development of an e-mobility platform for managing charging infrastructure
• Built integrations with major roaming hubs (e.g., Hubject, E-Clearing. net)

Key Contributions:

• Designed and developed core parts of the roaming module enabling cross-provider charging
• Implemented logic for processing and billing charging sessions across different networks
• Enabled interoperability between charging infrastructure providers and mobility services

Built job platform with over 1M job listings in Germany Developed full ecosystem including search, tracking, billing, and CMS

Highlight:

Developed one of the first Facebook Messenger job bots featured in major media

Contributed to the development of a high-performance domain platform handling 30M+ daily requests.

• Built and optimized core components for domain parking, analytics, and reporting systems
• Developed scalable backend solutions for large-scale client environments
• Focused on performance, reliability, and efficient data processing at scale