Stepan Mocjak.
Co-founder and software engineer focused on thoughtful mobile products, connected devices, and dependable software that works beyond the screen.
Engineering with context.
Stepan builds products that cross the boundary between software and the physical world. He leads Guava’s mobile work, shaping native and cross-platform applications from early product decisions through reliable release.
His experience spans iOS, Android, web applications, and connected-device systems. That range helps him design complete product flows instead of treating the mobile interface as an isolated layer.
Co-founder · Lead mobile engineer
Leads product discovery, architecture, and delivery for native and cross-platform applications. Works directly with clients through prototyping, implementation, store release, and long-term product support.
iOS · Android · Connected products
Builds mobile software across native and cross-platform stacks, with experience extending into web applications and IoT systems where hardware, data, and user experience must work as one product.
Native and cross-platform products designed around clear journeys, dependable releases, and maintainable foundations.
Software that links mobile interfaces, devices, and backend services into coherent real-world workflows.
Supporting platforms and operational interfaces that keep mobile products connected to the wider business system.