Bilingual by default
Clear interfaces, instantly useful
The brief becomes software in the open — no theatre, no leftover slides.
Languages of the practice
EN100%
ES100%
Interfaces, proposals and training
SecureFastMaintainable
The Modern Way to Architect, Build & Ship Web Software.
Independent web engineering from Costa Rica. Architecture, interface and deployment — websites and applications an operation can actually run.
Yerlin Ugarte
Independent practice
Published sites
4
Scope
Build
Launch
Handover
Delivery progress72%
GetAway CR
La Fortuna
Alcaldía
Belén
Trusted by teams and institutions I have shipped for.
ReactNext.jsVercelLinuxIBMCisco
Why this practice
Engineering that a team can own
I manage the brief with speed, security and confidence — from the first conversation to a handover a team can own.
10+
Years of practice
From classrooms in Nicaragua to operations in Costa Rica.
Handover without delay
Previews, WhatsApp and a written handover — with zero delay between decision and next build.
Handover complete
Documentation and environments delivered
Year2026Live sites4
“
When Yerlin led statistics at the school, the reports finally answered the questions we actually asked in the Monday meeting. He would not publish a chart he could not defend.
— María Elena Vargas
Academic coordinator, secondary education
“
In the warehouse and later in costs, he treated numbers as a system: reception, rotation, invoices, the budget. If a figure did not reconcile, he stayed until it did.
— Carlos Méndez
Operations, real estate
“
He taught adults as if the software had to survive the class. No theatre, no leftover slides. People left able to open the tool on Monday.
— Ana Lucía Herrera
Training coordinator, technical education
Engagements
Clear scopes for every engineering brief
Choose an engagement that fits the operation. Expand the scope when the system needs to grow.
Discovery
For a first idea, a stuck process, or a site that no longer represents the work.
What's included:
- 45–60 minute working conversation
- Written reading of the problem
- Recommended scope and risks
- In English or Spanish
Conversation
Start a conversationWebsite build
The core engagement: a complete website or application, from information architecture to a maintainable launch.
What's included:
- Discovery, information architecture and interface
- Engineering with React and modern tooling
- Content, accessibility and performance
- Deployment, documentation and training
- Security review in the architecture
Custom scope
Start a conversationAdvisory
Ongoing counsel for teams who already have a website or application and need a sharper technical and operational eye.
What's included:
- Monthly working sessions
- Architecture and process review
- Prioritisation and KPI design
- Enablement for the people who run it
Retainer
Start a conversationPractice areas
Engineering for every kind of brief
Whether you are launching a public website or growing an internal system, I design architecture, interface and deployment as one piece of work.
10+
Years of practice on every brief.
References
Trusted by the people who run the work
Institutions and businesses rely on this practice for fast websites, clear handovers and software that matches the operation.
Selected websites in production
Four live websites for travel, healthcare, hospitality and civic life. Each one started as an operational question — architecture, interface and deployment followed from there.
Travel & hospitality · 2026
GetAway Costa Rica
A local travel studio in La Fortuna that plans hidden itineraries, waterfalls and coast-to-coast days — without the tourist-trap script.
View case
Healthcare · 2026
Policlínica María Inmaculada
A civic-scale clinic site for Rivas: appointments, laboratory, pharmacy and a directory of specialists — designed for families, not for dashboards.
View case
Hospitality · 2026
Restaurante Mi Pueblo
A house restaurant in Belén, Rivas: the good table, the best company, and a reservation path that feels like being invited.
View caseCivic / public sector · 2026
Alcaldía de Belén
A municipal portal for Belén, Rivas — services, civil registry, taxes, cadastre and citizen voice — designed to feel closer, not bureaucratic.
View caseFrequently Asked Questions
Everything you need to know, explained clearly and simply.
By replacing informal processes with software that is faster, clearer and easier to audit. The goal is not more tools — it is fewer manual steps, better decisions and a digital presence that represents the quality of the work you already do.
Notes & essays
Notes on architecture, data and the web