Tomáš Mihalicka

Independent architecture consultancy specializing in distributed systems, domain-driven design, and event-driven architectures. Helping organizations modernize their systems through strategic architecture guidance and hands-on implementation.

• DDD consulting and strategic domain modeling workshops
• Event-driven architecture design and implementation
• System modernization and migration planning

Led the architecture and development of mission-critical distributed systems serving millions of users. Drove the transition from monolithic to event-driven architecture, establishing foundational patterns for scalability, observability, and maintainability across the organization.

• Designed and implemented distributed payment/billing platform
• Established event sourcing patterns for audit compliance
• Led architecture direction and cross-team collaboration
• Mentored engineering teams and drove hiring initiatives

Designed and implemented large-scale data processing pipelines handling billions of events. Built real-time analytics systems using Apache Spark and developed ML infrastructure for game optimization and player behavior analysis.

• Built petabyte-scale data pipelines with Apache Spark
• Implemented real-time analytics for game telemetry
• Developed ML models for player segmentation

Led backend development teams building scalable game services. Architected microservices handling game state, player progression, and social features. Established development practices, code reviews, and deployment automation.

• Led cross-functional development teams
• Designed microservices architecture for game backends
• Established CI/CD and code review processes

Developed hosting and domain management systems serving thousands of customers. Built billing systems, automated provisioning workflows, and customer management interfaces using PHP and MySQL.

Built custom web applications and e-commerce solutions for various clients. Developed both frontend interfaces and backend systems, focusing on user experience and business logic implementation.

Developed customer-facing banking web applications with focus on security and compliance. Built responsive interfaces and integrated with banking APIs and payment systems.