Daniel Killenberger

SOFTWARE & TECHNICAL ADVISORY

One senior engineer, a whole team's output.

Daniel Killenberger, ex-CTO

An ex-CTO who ships like a whole team.

AI-native speed with senior judgment, and one accountable person on the work.

01 / TRACK RECORD

Two things I built.

One is the role I held. One is how I work now.

01

Five years as CTO of Obligate, regulated infrastructure for issuing and settling securities on-chain.

ROLE
CTO, THEN TECHNICAL ADVISOR
SYSTEM
OBLIGATE, ON-CHAIN SECURITIES
TENURE
2019-2025

The kind of system where a bug loses real money, and it handled hundreds of millions. I am still its technical advisor.

Best Solana dApp, Encode x Solana, Feb 2024.

Verify on LinkedIn

02

Nenya, the AI-native operating system I built and run my own work on.

SYSTEM
NENYA, PERSONAL AI-NATIVE OS
ROLE
SOLE ARCHITECT
DELIVERS
MULTI-AGENT / LONG-RUNNING BUILDS / AUTOMATED REVIEW

Nenya is the automation I built to run my own work. In practice: I direct multiple AI agents in parallel, hand large builds off to run autonomously for hours instead of a chat session, and every change goes through automated, multi-model review before it ships. That is how one person delivers a team's output, at speed and without the coordination overhead, with senior judgment steering it end to end.

02 / SERVICES

Five ways to put a senior owner on your build.

01

Fixed-price AI-native builds

A working, secure product in weeks. Milestone payments, defined acceptance, a hard cost ceiling. I carry the delivery risk.

02

Fractional CTO and technical advisory

The ex-CTO on call for architecture calls, vendor selection, build supervision, and the judgment that keeps a small team out of expensive holes.

03

Technical due diligence

For investors and acquirers. Is the tech real, where does the risk sit, what to know before you write the check. Six years of CTO judgment on someone else's codebase.

04

Security assessments and code audits

A senior human reading your actual code, with exact file and line locations, not a scanner dump. Where the money leaks out, and how to close it.

05

Agentic coding coaching and flow-next training

Hands-on coaching for teams adopting agentic development, including flow-next, the spec-to-ship workflow I run my own builds on every day. Your engineers, your codebase, a working pipeline by the end of the engagement.

03 / METHOD

How the work gets done.

AI-NATIVE METHOD
An agentic, multi-model build process with automated review across planning, development, and testing. Multi-step work, checked hard before it ships.
ONE SENIOR OWNER
No handoffs, no coordination tax, no junior work smuggled in. One accountable name on everything, start to finish.

04 / CONTACT

Start a conversation.

Tell me what you are building and where the technical risk is. I reply personally.