BEHIND ALTUM / PROFESSIONAL PORTFOLIO

Understand the problem.
Create a better experience.

I build digital experiences combining design, logic and attention to detail. My purpose is to turn real needs into clear, useful products ready to evolve.

Explore my work ↗GitHub ↗

BEHIND EVERY IDEAHi, I'm Oscar.Design and development · Altum

MY APPROACH

Make it clear.
Make it work.
Make it scalable.

At Altum I connect interface design with the development of tools for businesses. I want to understand the full journey: what a person needs, the information they use and the technical decisions that make the experience possible.

I aspire to grow as a full-stack developer and collaborate with technology teams where I can contribute visual judgment, analytical skills and a commitment to quality. My portfolio brings together the work I can share and the decisions behind it.

Semantic HTMLResponsive CSSJavaScriptTypeScriptAstroReactPostgreSQLAccessibilitySass / SCSSData designMobile interfacesDesktop applications

VISION AND DIRECTION

Learning with purpose.
Build for continuity.

01 / PURPOSE

Approachable technology.

I want to create tools people can understand and use confidently. A clear screen and a consistent process are part of the same goal.

02 / GROWTH

Technical depth.

My goal is to strengthen end-to-end product development: interfaces, logic, data, testing and publishing. Then extend that foundation to mobile and desktop applications.

03 / COLLABORATION

Contribute to a team.

I want to participate in projects where knowledge is shared, decisions can be explained and feedback turns into concrete improvements.

MY WORKING PROCESS

An idea moves forward
when it can be verified.

I work through user journeys and small deliveries, with a clear review at each stage.

Understand and define
Listen, write down the problem and define what the person should be able to do at the end.
Design and prioritize
Organize content, user journeys and components before expanding features.
Build and validate
Develop in modules, use Git version control and verify rules and error cases.
Document and improve
Record decisions, review the experience on different screens and turn findings into the next delivery.

SKILLS I CULTIVATE

The work also
is built through conversation.

Active listening

Ask questions and confirm the need before proposing a feature.

Clear communication

Explain decisions, limits and progress in an understandable way.

Analytical thinking

Break down a problem, evaluate alternatives and assess the result.

Organization

Prioritize, agree on deliverables and track remaining work.

Openness to review

Receive feedback and use it to improve the work.

Continuous learning

Study, apply what you learn and document what works and why.

INSIDE A PROJECT

How Altum is built.

Architecture, site map and decisions connecting design with functionality.

Explore the architecture ↗

DEVELOPMENT ECOSYSTEM

Technology with
a clear purpose.

We choose tools based on what your project needs: speed, a good experience and a foundation that can grow.

Astro

Fast, indexable content

React

Interactive applications

TypeScript

Types and interface contracts

JavaScript

Logic, events and animation

HTML + CSS

Semantics and responsive design

Node.js

Testing and builds

PostgreSQL

Prepared database

Supabase

Foundation for private access

Git + GitHub

Version control and publishing

Sass / SCSS

Organized, reusable styles

Flutter

Cross-platform mobile experiences

Tauri

Desktop applications

Public demos save examples in the browser. The PostgreSQL and Supabase connection is prepared for private implementations with their own access controls.

SELECTED WORK