Architected and developed large enterprise systems by using various technologies. Being in the software development industry for more than 17 years, bringing an in-depth understanding of architecting and developing mission critical and security critical systems. Experienced in supporting critical systems in force majeure situations by analysis, rapid decision making and problem-solving. Several times successfully applied architectural modifications, optimization, work parallelization and disaster recovery of critical systems. Consulted as an expert in cybersecurity improvements and incident investigations.