Est. MMXXIV · Hermosillo, MX 29.0729° N · 110.9559° W
Available Q3 2026

Iván
Martínez
Agüero.

Operator and builder. Fifteen years shipping production systems. Now building AI that actually runs.

[ photo ]
15+yrshipping
40+engagements
github · linkedin · mail
Selected work → Start a project →
No.001

Now.

Workshop log · Updated weekly
01BuildingA patterns library for multi-agent systems.May 2026
02ShippedPrivacy-aware model router with fallback chains.Apr 2026
03OperatingVoice AI for real-time interview screening.Ongoing
04ReadingDesigning Data-Intensive Applications · evals cookbooks.This month
No.002

Selected work.

40+ engagements total
001

Radian Corporation — AI Pricing

Async queue infrastructure, AI pricing engine with fallback and caching, dual UIs for brokers and buyers. Production from week one.

Real EstateAWS · SQSAnthropic
500mspeak latency
94%accuracy
99.8%uptime
↗
002

EqualsTrue — AI Platform

AI platform engineering. Architecture, model routing, evaluation harness, and production deployment as embedded technical lead.

PlatformInfrastructureOngoing
2yrembedded
Livestatus
↗
003

Voice AI — Recruitment Screening

Real-time voice agent for technical interviews. Sub-second turn latency, structured candidate evaluation, cross-conversation memory.

VoiceReal-timeUnder NDA
<800msturn latency
Livestatus
↗
No.003

Notes & field reports.

One per week · Built from real work
001

Building a model router that doesn't suck — privacy, fallback, and trust

14 min · 2026 → 002

Choosing an agent framework you can actually debug

11 min · 2026 → 003

Self-hosting your data plane — and why

9 min · 2026 →
004

Eval-driven AI development — a field-tested checklist

Soon ·
No.004

Building in public.

Open source · Tools I use daily
github.com/alcance/model-router
↗

model-router

Privacy-aware routing with fallback chains.

● Live
github.com/alcance/agent-patterns
↗

agent-patterns

Production-tested patterns. Copy-ready.

● Live
github.com/alcance/voice-stack
↗

voice-stack

Real-time voice agent reference.

○ This month
github.com/alcance/eval-harness
↗

eval-harness

Evaluation tooling. Reports you can ship.

○ Q3 2026
No.006

Hire me.

Direct · Honest · Fast intake

Two paths in. One conversation either way — no pitch decks, no discovery forms.

[ photo ]
Iván Martínez Agüero
Operator · Builder · Fractional CTO

If you have a process to automate: start with a Readiness Sprint. Two weeks, written report, fee credited toward whatever ships next.

If you're earlier — exploring, evaluating, gut-checking — just write. One paragraph. Forty-eight hour reply.

Path A AI Readiness Sprint Two weeks · Report · Debrief.
→
Path B Just write One paragraph · 48-hour reply.
→
Built by Iván.
Hermosillo · Sonora · México · MST