Full-stack developer · Lima, Peru

Clear ideas.
Products that matter.

I design and build digital experiences from end to end. I love turning real problems into products that feel simple, useful, and thoughtfully made.

Explore projects Chat on WhatsApp

Open to select projects

16+ years building for the webin software development

✳Lima, Peru · remote

RMROMMER
MARTINEZ

01 / About

Technology with purpose.

Since 2010, I’ve worked across frontend, backend, and product. I enjoy building, caring for the details of the experience, and taking an idea all the way to production without losing sight of the people who use it.

Based inLima, Peru · remote

Personal product

Your money,
with more clarity.

Keri is a platform I developed to organize income, expenses, and goals in one place. A product designed to offer context and control, not more noise.

Discover Keri

Screenshot of the OpenKeri dashboard showing balance, spending overview, accounts, and debts.

OpenKeri mobile view showing balance, accounts, and financial activity.

OpenKeri · Desktop and mobile

02 / Career

Experience that adds up.

I’ve worked with teams and businesses of all sizes, pairing technical judgment with collaboration and a focus on outcomes.

Culqi

Peru · 3 years

Full-stack Developer · Acting Tech Lead

Primarily contributed as a developer to debit and credit card payment solutions for Android POS terminals and web platforms, stepping in as acting tech lead when needed.

Disruptive Studio

Mexico · 2 years

Full-stack Developer · Acting Tech Lead

Primarily contributed as a developer to a multi-level, multi-tenant platform for managing trees, ranks, bonuses, and plans, stepping in as acting tech lead when needed.