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YUYerlin Ugarte

Open to national and international collaboration

Product design & engineering for real operations.

I am a systems engineer who turns ideas into modern, efficient and scalable software. I work across web products, data, education and operations — always with the same aim: technology that creates real value.

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San José, Costa Rica · Systems Engineer

Yerlin Ugarte
10+ years of practice

10+

Years of practice

4

Shipped products

2

Countries of work

6

Practice areas

Tools and disciplines I work with every week.

JavaScriptReactNext.jsLinuxCloudSQLStatisticsKPI designMicrosoft 365Inventory systemsIT trainingInformation securityAutomationTechnical writingJavaScriptReactNext.jsLinuxCloudSQLStatisticsKPI designMicrosoft 365Inventory systemsIT trainingInformation securityAutomationTechnical writing

// selected work

Turning complexity into useful digital products.

View all projects

// about

Every operation tells a story. I make it usable as software.

I am a systems engineer with a professional background that spans data analysis, education and digital product development. I combine analytical thinking, teaching experience and modern web engineering to turn information into decisions — and ideas into products people can actually use.

About me

  • 01

    Listen

    Understand the operation, the people and the constraint before proposing a stack.

  • 02

    Frame

    Turn the problem into a clear scope: users, flows, risks and a realistic path to launch.

  • 03

    Build

    Design and implement with modern web technologies, security in mind and a maintainable architecture.

  • 04

    Refine

    Measure, teach the team and keep improving after launch. Software is a relationship, not a delivery.

// practice areas

Six ways of working, one standard of care.

01

Web Development

Production-grade websites and web apps: clear architecture, accessible interfaces, and a deployment path a team can actually own.

02

Data Analytics

Turn operational data into decisions: definitions, methods, visualisations and reports that a non-specialist can actually use.

03

Cybersecurity

Security as a design constraint: least privilege, careful data handling, and public surfaces that do not leak private records.

04

Cloud Solutions

Hosting, environments and preview workflows so production does not depend on a single laptop.

05

UI & UX Design

Interfaces designed from the content outward: type, hierarchy, a small palette, and interaction that respects the thumb.

06

Digital Solutions

The smallest software that removes the most friction: processes first, frameworks later.

// references

How people describe the work.

Read all testimonials
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

Flexible solutions for every digital challenge.

Discovery

Conversation

For a first idea, a stuck process, or a site that no longer represents the work.

  • — 45–60 minute working conversation
  • — Written reading of the problem
  • — Recommended scope and risks
  • — In English or Spanish
Book a conversation

Product build

Custom scope

The core engagement: a complete digital product, from information architecture to a maintainable launch.

  • — Discovery, information architecture and interface
  • — Engineering with React and modern tooling
  • — Content, accessibility and performance
  • — Deployment, documentation and training
  • — Security review in the architecture
Start a project

Advisory

Retainer

Ongoing counsel for teams who already have a product and need a sharper technical and operational eye.

  • — Monthly working sessions
  • — Architecture and process review
  • — Prioritisation and KPI design
  • — Enablement for the people who run it
Discuss a retainer

Questions

Straight answers before we start.

View all FAQs
What services do you offer?

Web development, data analytics, cybersecurity guidance, cloud deployment, UI/UX implementation and tailored digital solutions. Engagements range from a focused product build to advisory work on digital transformation.

How can these solutions benefit my organization?

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.

Which industries do you work with?

Hospitality and tourism, healthcare, food service, public institutions, retail, education and professional services. Recent work includes a travel studio in Costa Rica, a polyclinic in Rivas, a house restaurant in Belén and a municipal portal.

Are engagements customizable?

Always. There is no packaged product I force onto a client. We start from the operation, agree a scope, and build only what is needed — with room to grow.

How do you approach data privacy and security?

Security is part of the architecture, not a later patch. I follow least-privilege access, careful handling of personal data, current web security practices, and the principle that a public demo should never expose private records. Cisco-certified fundamentals inform the baseline; each project gets a specific threat review.

// notes

Insights on data, education and technology.

Let’s talk

If the operation is stuck, write.

If you are building a product, modernizing an operation or exploring a digital idea, I would like to hear about it.

Start a project