Duvan Vargas

Systems Engineer · Full Stack · Colombia

Hi, I'm Duvan Vargas.

Systems Engineer with full-stack experience. I love learning new things, building products and running experiments: try an idea, ship it, see what happens. Today I'm co-founder and CTO of Blind Creator.

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What I'm building

Projects

Projects

Four products I work on, with one idea in common: simple on the outside, robust on the inside.

App · iOS and Android · Free to start

Oslo Finanzas

Level up your money.

See how much you have left per day, log in seconds and get a heads-up before every payment. Accounts, goals and debts in one place, with Oslo, your assistant. Works offline and syncs on its own.

  • Live on the App Store and Google Play in 19 countries
  • AI assistant that explains with charts
  • Leagues, streaks and characters: the Duolingo of personal finance
Meet Oslo at oslofinanzas.com
Oslo Finanzas Today screen: what is left for 8 days and upcoming payments

App · iOS and Android · Coming soon to the stores

Yema

The calorie and macro app for your weight goal.

Eat what you love and mind your weight: your weight goal with its official source, your calories and macros, and what to eat today, at home or out. It's your food diary: log with a photo, by voice or by reading the restaurant's menu.

  • Reads a restaurant menu from a photo or PDF
  • Its own recipes with video and “What should I order?” with maps
  • Spanish, English and Portuguese from day one

Coming soon to the App Store and Google Play

Meet Yema at tryyema.com
Yema's Log screen: photo, voice, search or barcode

Company · Co-founder and CTO · Since 2022

Blind Creator

The Creator Marketing Operating System. Less operations, more results.

The platform that centralizes an agency's entire creator-marketing process, from discovering talent to analyzing results, in one place and with no spreadsheets. Eight modules that share data with each other: Discovery, Creator CRM, Campaign Management, Tasks, Automations, Artificial Intelligence, Reports & Analytics and Finance. I lead the architecture, the infrastructure and the technology team.

Go to blindcreator.com
Blind Creator: the platform for creator-marketing agencies

A Blind Creator service · High-volume businesses

Blind Agents

AI agents for your business.

An agent that looks after your business the way you would: it replies on WhatsApp, Instagram, calls, web and email, books appointments and collects payments, with your rules and your tone. Prepaid, no plans: you pay per reply and per voice minute. Born inside Blind Creator, where these agents already coordinate campaigns with creators.

  • Autonomous 24/7; hands off to your team with a summary when it matters
  • One inbox for every channel, with real-time voice
  • WhatsApp connected in 5 minutes; integrates Google Calendar, HubSpot, Shopify and more
Go to blindagents.com
Blind Agents chats: what needs a human, the rest handled by the agents

Career

Career

Ten years building software, from junior to CTO, always close to the product.

  1. 2022 · today

    Blind Creator

    Co-founder and CTO

    Technology strategy, architecture and scalable infrastructure for the platform. Technology team and agile processes.

  2. 2019 · 2022

    Famosos.com

    Founding-team Lead Developer → Head of Technology

    First versions of a global marketplace for personalized celebrity videos, scaled on AWS. Then, every technology operation of the company.

  3. 2016 · 2019

    Simetrik (YC W18)

    Full Stack Engineer, junior to senior

    Mobile and web apps, databases, cloud architecture and data-reconciliation algorithms. Led small teams.

  4. 2013 · 2021

    Universidad del Sinú

    B.Eng. in Information Systems

How I work

How I work

1

Ship fast, learn faster

An imperfect version in real people's hands beats a perfect one in a drawer. Ship, measure, ship again.

2

Talk to the people who use it

Data says what happens; people say why. The best ideas come from watching someone use the product.

3

Small teams with full context

A few people who own the problem move more than many with loose tasks. Decide fast, fix fast.

4

Focus on what moves the needle

Every week, whatever brings the goal closest; the rest can wait. Simple outside, robust inside.

What I work with

TypeScriptReact and Next.jsReact Native and ExpoNode.jsPythonGoFirebase and Google CloudAWSGemini and AI agentsSwift and iOS widgets

Let's talk

If you have an idea, a project or a question about what I do, write to me.

Send an email LinkedIn GitHub Apps on Google Play Apps on the App Store Google Developers