UM Urey Otamba Mutuale / Portfolio

Senior full-stack engineer · Brazil / Remote

I build digital products that hold up in the real world.

10+ years helping startups and product teams launch, modernize and scale web, mobile and backend systems.

Urey Mutuale
Available for select projects
01 / ABOUT

The person behind the products.

Background, approach, experience and the perspective I bring to teams.

Meet Urey →
02 / WORK

Systems made for motion, money and people.

4 featured projects across fintech, mobility, AI and publishing.

Explore work →
03 / BLOG

Notes from building and shipping.

Practical articles on architecture, tooling and delivery.

Read the blog →
04 / WORK WITH ME

Turn the idea into a useful brief.

A short guided questionnaire to understand your product, stage and priorities.

Start a project brief →

SELECTED WORK

A glimpse of what I build.

Product-minded engineering across complex systems, from payments to real-time mobility.

See all work →

FROM THE BLOG

Notes from building and shipping.

Practical ideas on engineering, collaboration and keeping product delivery grounded.

Browse the blog →
2026

Development · API · MVP

Streamlining API Development with OpenAPI for Your MVP

Learn how to leverage OpenAPI to define, document, and generate APIs quickly, ensuring consistency and faster delivery for your MVP.
Read article ↗
2026

REMOTE WORK · FREELANCING · DEVELOPER TOOLS

Embracing ChatOps and CLI Tooling: A Remote Freelancer’s Guide to Smoother Collaboration

Discover how ChatOps and CLI tooling can transform your remote freelance workflow, boost productivity, and strengthen client communication—right away!
Read article ↗
Available for select freelance projects

YOUR PRODUCT / THE NEXT STEP

Have a complex idea? Let’s make the path forward clear.

Share where the product stands, what needs to change and what a successful engagement would look like.

Start a project brief ↗
Porto

A SECOND SITE, ONE PERSON

Travel journals live next door.

Cities, culture, photographs and observations collected between projects.

Enter Travels ↗