Quality engineering · consulting
Quality Assurance, custom software development, project management, and Staff Augmentation to support your software delivery from planning through validation.
The problem
Vibe coding is real. Senior engineers can finish projects in days. But faster delivery without strong validation doesn't reduce risk — it concentrates it.
When QA enters late, projects slip, quality degrades, and the team absorbs blame for a structural problem. Codexium Labs exists to fix that structure.
Conceptual illustration, not a measured customer result.
What we do
End-to-end QA strategy, test-plan architecture, execution frameworks, and automation pipelines. We design quality into your delivery process, not onto it.
We integrate quality thinking from the requirements phase through testability reviews, use-case analysis, and risk profiling before development is complete.
For projects running late or carrying growing defect risk, we assess the delivery path, stabilize critical work, and help rebuild confidence.
Testing workflows for AI-assisted delivery. We help teams validate generated code and integrate practical quality checks into CI/CD pipelines.
Software shaped around your processes and product goals. We define the scope, build in increments, and integrate validation throughout delivery.
Turn objectives into a workable delivery plan. We coordinate priorities, dependencies, and risks so stakeholders can make informed decisions.
Complement your team with technical profiles aligned to the work you need. We agree responsibilities, collaboration practices, and the required skills before an engagement.
A focused starting point
A practical first engagement to understand the delivery context, expose quality risk, and agree what deserves attention first.
Discuss an assessmentChoose the product area, release path, or quality concern to examine before work begins.
Review the agreed evidence and reproduce relevant issues where access and conditions allow.
Connect findings to delivery risk and walk through the results with your team.
Scope is agreed before work begins. Price and timing follow that scope rather than a fixed package.
How we work
Quality isn't a phase. It's a discipline embedded across the delivery cycle.
Map delivery practices, requirements quality, test coverage, and the places where reliability risk lives.
Bring engineering, QA, and product around a strategy that fits the timeline, team, and technology.
Implement test plans, automation, quality gates, and defect workflows around the agreed priorities.
Document the system, transfer knowledge, and help the team maintain the practices independently.
Technical sample
An internal demonstration using the Codexium Labs site itself — not a client case study and not a performance guarantee.
Validation reference · 6 October 2026
English and Spanish at 320 px, 390 px, tablet, and desktop widths in Chromium and WebKit emulation.
Production build, prerendered HTML, SEO metadata, bilingual routes, real fonts, and the no-JavaScript fallback.
Keyboard focus, wizard validation, back/forward flows, retries, and duplicate-submit prevention with Formspree intercepted.
Animations advance, pause, and resume; reduced-motion mode removes them while preserving visible content.
No customer project, customer result, or search-ranking guarantee is represented here. No real contact submission is made by the test suite.
Founder
Codexium Labs is founded by Guillermo Barberan, a QA professional with hands-on experience in manual testing, test automation, and quality leadership.
The practice combines detailed investigation with a delivery-level view: make issues reproducible, communicate risk clearly, and help teams build quality into the way they work.
Direct founder involvement from the first quality conversation through the agreed engagement.
View Guillermo on LinkedInGet in touch
Tell us whether you need Quality Assurance, custom software development, project management, or Staff Augmentation. We can discuss scope, priorities, and the right way to collaborate.
hello@codexiumlabs.comYour name, work email, and message are processed by Formspree so Codexium Labs can review and respond to your inquiry. How inquiry data is handled.
Privacy
This notice covers the contact flow on this website. It does not add consent for newsletters or unrelated marketing.
Guillermo Barberan is responsible for this contact flow, operating under the Codexium Labs brand.
The form sends your name, work email, message, and a source label identifying the Codexium Labs landing page.
Codexium Labs uses the inquiry to understand your request, evaluate fit, respond, and continue the same business conversation if appropriate.
We retain inquiry data for as long as needed to respond, provide requested follow-up, or manage the service relationship. When an inquiry is closed, we review which information is still needed and archive only that information. We manually review archived records at least every 12 months and delete or anonymize data that is no longer needed, unless retention is legally required. This review covers inquiry records in Formspree and email copies under our control; reaching 12 months does not trigger automatic deletion.
Formspree processes and stores form submissions and delivers notifications. Vercel hosts the website. Google Fonts supplies the Archivo typeface. No analytics platform or CRM is added by this site.
You can email hello@codexiumlabs.com to ask about an inquiry or request access, correction, or deletion, subject to applicable obligations.