Where we work
California-based. Engineering worldwide.
Serving clients worldwide through remote delivery, hybrid work and client-requested on-site engineering. In-person visits are arranged for specific engagements when travel and local requirements permit.
Service area
Worldwide engineering delivery. California-based.
We work with engineering and security teams worldwide from a California base. Engagements can run remotely across time zones, combine remote and on-site delivery, or include travel to the client location for implementation, debugging or workshops. Travel dates, costs, site access, local regulations and any required visas or work authorization are confirmed during scoping. We do not claim overseas offices or operate a public walk-in location.
Worldwide remote engineering
Architecture reviews, mobile and backend development, authorized security assessments and production debugging across client time zones.
Hybrid & international on-site
Travel to client facilities for engineering delivery, incident support and technical workshops when agreed scope and local requirements permit.
Typical work
Mobile, backend and security work
iOS and Android
Implementation, reliability debugging, platform modernization, and mobile release readiness.
View detailsBackend and APIs
Authentication, authorization, production diagnostics, integrations, and service-boundary work.
View detailsSecurity and technical review
Threat modeling, account/session controls, abuse-path reviews, and deployment integrity.
View detailsCommon questions
Do you work with clients outside the United States?
Yes. We collaborate with companies worldwide through remote engineering, reviews and implementation. Engagement terms and any cross-border data requirements are agreed before sharing access.
Will you travel internationally to work on-site?
Yes, on-site work worldwide can be discussed when a client needs engineers at its location. Dates, travel costs, local regulations, visas or work authorization, site safety and secure access are confirmed before a commitment.
Is there a public walk-in office?
No public walk-in office is advertised on this website. Please arrange an engagement or meeting through the contact channels below.
What should an initial inquiry include?
Share the platform, what needs to be built or fixed, the timeline, and any relevant technical or security constraints. Do not send credentials or sensitive customer information in the first message.
Get in touch
info@demonicbinary.com · +1 (650) 397-1782
Monday to Sat, 8–8pm PST (listed contact hours)