Technical leadership
Founder-level accountability, architectural decisions, technology direction and control over the engineering standard.
Personal technical profile
Dmitry “SkiF4er” Efimov
Principal Engineer, founder-led systems builder and technical owner behind Cajeer, CajeerEngine, SkyPanel, NeverMine and adjacent infrastructure products.
BackendFull-stackInfrastructureCMSControl panelsProduct systems
I build systems where engineering discipline matters more than presentation noise: clear architecture, predictable operation, strong product logic and direct quality control.
Product engineering
CMS, control panels, internal platforms, team tools, system logic and user flows.
Infrastructure mindset
Linux, Nginx, PHP/Go/Python/JS, server environments, releases, observability, security and operation.
Public resources