DEV.co
Chula Vista, CA · Custom Software + AI

Custom software for Chula Vista — built the AI-native way.

We pair senior engineers with an AI-accelerated delivery model to design, build, and ship custom software far faster than a traditional shop — without the fragile, unreviewed code that gives AI a bad name.

Senior-only engineering · AI-accelerated delivery · you own 100% of the code

AI changed the economics of custom software. We rebuilt our process around it.

Chula Vista anchors the south end of the San Diego metro — close enough to the border for deep cross-border business activity, with a fast-growing healthcare, logistics, and B2B SaaS scene. Senior hires are six figures, months out, and picked over by San Diego employers and a steady remote pull from coastal markets. AI changes the math, but only when senior people own the parts AI gets wrong.

AI is genuinely good at the repetitive 70% of software work: scaffolding, boilerplate, CRUD, first-draft UI, test stubs, glue code. It is dangerously unreliable at the other 30%: architecture, security, edge cases, and knowing when its own output is wrong. Teams that ship raw AI code learn this in production.

We build for Chula Vista and south-SD operators — cross-border and bilingual commerce platforms, logistics and trade tools, B2B SaaS shipping into mid-market buyers, and modernization of decades-old enterprise stacks. Our model: AI handles scaffolding and the repetitive 70%; a senior engineer owns architecture, security review, and signs off on every change.

Show, don't tell

AI writes the first draft. A senior engineer signs off.

Every change runs through review for security, tests, and architecture before it ships — that review is the product.

delivery.tstypescript
const draft = await ai.generate(spec)          // minutes, not daysreview(draft, { security: true, tests: true, architecture: true })// ✗ rejected: currency conversion using floats on a cross-border settlement → minor-unit integers + boundary test// ✓ merged: locale-correct UI strings, idempotent tracking webhook handler
Every change
AI velocity + human judgment
tests + security review built in
you own 100% of the result

On a Chula Vista cross-border or logistics build, the failure modes are float-math on money, locale bugs that surface in production, and non-idempotent webhooks. Senior review catches them before a customer or a regulator does.

What we build for Chula Vista companies.

Product

SaaS platforms

Multi-tenant products with auth, billing, and dashboards — MVP to scale.

Commerce

eCommerce & marketplaces

Storefronts, marketplaces, and merchant tools built for conversion and scale.

Logistics

Supply-chain & ops platforms

Routing, dispatch, inventory, and visibility tools that replace clipboards and spreadsheets.

Modernize

Modernization

Move legacy systems onto a modern, maintainable stack — incrementally, no big-bang.

AI

AI applications

Copilots, RAG, search, and agents grounded in your data, with guardrails and evals.

Internal

Internal tools & copilots

Operations tooling that replaces the spreadsheet-and-tribal-knowledge workflow.

Senior, on-shore, AI-accelerated

A senior team that moves at AI speed.

You work with senior engineers who own architecture and quality — not a junior pool with raw AI output bolted on. We communicate in Pacific Time and integrate with your tools and cadence.

Chula Vista's senior engineering pool is mostly an extension of San Diego's — three-to-six months to hire and steadily pulled into remote coastal roles. An AI-native team gets you shipping this week, flexes monthly, and doesn't need an office in the South Bay.

Talk to an engineer

Traditional Chula Vista dev shop vs. AI-native.

Traditional AgencyDEV.co (AI-native)
Time to working softwareMonthsDays to weeks
CostFull senior rates, all hoursLower — AI removes the rote work
Code qualityGood (if senior)Same bar — every change reviewed
AI riskContained by senior review + tests
You own the codeUsuallyAlways — full repo on day one
Scales with youSlow to staff upFlex up or down monthly
2–3×
faster than traditional development
1 wk
to a working prototype
100%
code ownership at handoff
30 days
post-launch support included

Common questions from Chula Vista teams.

Do you work with Chula Vista companies?
Yes — we serve Chula Vista and San Diego companies with senior, on-shore engineers in Pacific Time. Most collaboration is remote-first, with on-site available for kickoffs and key milestones.
Do you build for cross-border and bilingual products?
Yes. We use minor-unit integers on money from day one, treat locale and currency as first-class inputs (not late additions), and architect KYC and data-residency flows around the realities of US/Mexico cross-border regulation. We've been through the rounding and locale bugs so you don't have to.
Is AI-built software production-ready?
Yes — when a senior engineer reviews every output, adds tests, and hardens it. The horror stories come from shipping raw AI code unsupervised. We don't, and we support what we ship.
Will we own the code?
100%, from day one. We deliver to a repository you control — no proprietary platform, no lock-in.
How fast can we start?
Usually within days. A short scoping call defines the build, the timeline, and a fixed quote.
Can you work with our existing team?
Yes — we augment in-house teams, review their work, and set standards, or run the build end to end. We flex to how you work.

Let's build it — Chula Vista.

Tell us what you're trying to ship. We'll give you an honest recommendation, a timeline, and a fixed quote — and tell you if AI-native is the right fit or not.