I build web and mobile apps people use every day. I turn design into functional screens, connect them to data and services, and use automated tests to keep everything reliable.
Available for New Project
Technologies I work with
Two web and two mobile highlights. Open a card for details, or browse the full portfolio.
Collaborated on AI Chat Navigator implementation at BusinessWith Software, focusing on visual UI development. Migrated chat to React Context architecture with Viewport component, developed responsive visual components with CSS reactivity, and integrated Storybook for visual testing. This project demonstrates expertise in component-driven development and modern React patterns.
Proposal and ideation project applying UX Design Thinking to improve SystemGuide for non-technical users. User research, personas and journey maps, a simplified question flow with optimized microcopy, high-fidelity Figma prototypes, and usability testing to validate the concept.
Innovative mobile app integrating AI image recognition using Google Vision API. Allows users to upload images and receive AI-generated explanations, exploring cutting-edge technologies including React Native, Firebase authentication with Google Sign-In, and a custom Node.js/Express backend. Demonstrates expertise in AI/ML integration and cross-platform mobile development.
Cross-platform event management application built with Kotlin Multiplatform (KMM) for both Android and iOS. Features include event creation, ticket sales with Swish payment integration for the Swedish market, and Google Maps SDK for location services. Demonstrates advanced multiplatform development skills and third-party payment integration.
What I bring to every project and team.
Maintainable UI — clear structure and patterns so the product stays easy to change and scale.
Testing — unit, integration and E2E to catch bugs early and ship with confidence.
AI tools — I stay current with AI tooling and use it to work more efficiently and deliver stronger outcomes.
Collaboration — I work closely with designers and backend developers to deliver as a team.
User experience — focus on usability and clarity so the product is a pleasure to use.
Structured problem solving — break down complexity and deliver solutions that last.
A simple flow from first conversation to delivery—clear checkpoints, no surprises.
Align on goals, users, constraints, and what success looks like for you.
Break work into milestones, agree on priorities, and surface risks early.
Implement iteratively with tight feedback loops with design and backend.
Test in realistic scenarios, polish UX details, and harden before release.
Release confidently, document what matters, and support a smooth handoff.
Technologies and tools I work with every day.
Frontend — React.js, React Context API, TypeScript, JavaScript, HTML, CSS, Storybook
UX / UI — Figma, Design Thinking, usability testing, prototyping
Mobile — Kotlin, Jetpack Compose, CameraX, Hilt, React Native
Architecture — MVVM, Clean Architecture
Styling — Tailwind CSS, Material UI
Testing — Jest, React Testing Library, Playwright · Espresso, JUnit
Backend & APIs — GraphQL, RESTful APIs, Firebase
Databases — PostgreSQL, SQLite, Room
Version control — Git, GitHub
Andre's proactive approach to problem-solving also deserves commendation. He challenges head-on, offering innovative solutions that showcased his adaptability and resourcefulness. His resilience in high-pressure situations was truly commendable.
CEO/Co-Founder – BusinessWith
nicolas.zavala@businesswith.comI had the privilege of working closely with Andre as our inspector in Sweden for various international projects while managing him from our Stavanger office. Andre's dedication and expertise in his role have left a lasting impression on me.
General Manager – GSOI AS
benjamin.garcia@gsoi.noI have no hesitation in recommending Andre for an Android development role. Moreover, in case there might be knowledge he is missing, thanks to his problem-solving and self-learning he will quickly learn the things he needs to deliver value to the company.
Android Developer – Linero Tech AB
humberto@linerotech.se