got something to build?
from the first idea to working software. architecture, technical advice, and hands-on engineering.
brian mulder
software engineer & consultant
co-founder, tessur
sydney, australia
i design and build software for clients. nuts about ai and agents.
if we've crossed paths — ever — hello again.
available for projects, contracts, consulting and ai workshops. also open to the right permanent role with people i can learn from.
from the first idea to working software. architecture, technical advice, and hands-on engineering.
i build with ai agents and help teams put them to work.
i'm a co-founder. i've built on-device assistant prototypes to help people and their agents check actions against their context and priorities.
built with rust/tauri and typescript, using jev classifiers for local screening of risky disclosures and user warnings.
have a look at tessuri built windows appshots so coding agents could see and inspect the windows apps i worked on.
windows appshots on githubin april 2026, i designed, ran and facilitated a four-hour ai-assisted development workshop for devicie engineers, under contract through secure measure.
scoping, execution, verification and review, with demonstrations and written synthesis.
computer scientist by training, software engineer by trade. over 20 years building software and leading teams, including Amazon Web Services, CBA, and Optus.