Rio Grande Valley, Texas · Web design & systems

Design range backed by production engineering.

OA Systems builds marketing sites, web applications, and integrations for clients who need work that holds up under real use—and proves that discipline by shipping and operating our own SaaS in production.

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Services

  1. Marketing websites

    Fast, accessible websites — from structure and design through production deploy. Responsive layout, core SEO and performance baseline, and documentation for updates your team can maintain.

    2–6 weeks

  2. Web applications

    Dashboards, customer portals, admin tools, and other browser-based applications tied to a real workflow — UI design, application logic, API integration, and deploy pipeline as scoped.

    6–16+ weeks

  3. Systems & integrations

    Connecting tools you already use — APIs, automation, data sync, and lightweight backends that remove manual work, with error handling, logging, and handoff documentation.

    2–12 weeks

Founder

The kind of software where accuracy, auditability, and reliability are non-negotiable.

— Omar Calzada

Credibility

Omar Calzada

Omar Calzada leads OA Systems with seven years of professional software development experience building production systems for Texas state government and regulatory agencies.

That work has included high-fidelity, secure web applications and internal systems used in regulated, public-facing contexts — custom platforms for state licensing boards, credentialing programs, and compliance-driven agencies across healthcare and professional regulation.

Client work at OA Systems applies the same standard: whether the project is a marketing site or a production web system, the goal is software that is secure, precise, and built to hold up under real use — not demo-quality work that falls apart after launch.

7+
Years in production engineering
AWS
Production infrastructure

Process

  1. Inquiry

    Reach out by email, phone, or WhatsApp with what you want to build, any references, and a rough timeline or budget band.

  2. Scope

    We respond with what we would build, what is explicitly out of scope, and a timeline range — before any build starts.

  3. Build

    Design and engineering in focused iterations; you see progress at agreed checkpoints.

  4. Ship & handoff

    Deploy, documentation, and a clean transfer so you are not dependent on us for every change. Support arrangements can be scoped separately.

Trakr

Trakr is observability for AI agent workflows — cost per run, failure alerts, loop detection, and run analytics for teams running LLM-powered agents in production.

Runs today
1,284
Cost per run
$0.04
Failure rate
0.8%
Avg. latency
2.1s