Hi, I'm Rubén 👋
Product Engineer. I help Indie Hackers and Startups to build their products!
RS

About

At the end of 2025, I quit my job as a software engineer to go fulltime into become Freelance Engineer and building my own businesses. In the past, I pursued a double degree in computer science, I worked at Scale-Ups, Banks and FinTech companies in Europe.

Do you have questions?

Or write me an email to r.solerginer@gmail.com

Whatsapp logoWhatsapp

Write me to +34 600 200 862

Work Experience

Q

QuickLaunch
AI
SaaS
Starter-Kit

Dec 2025 - Present
Founder
https://quicklaunchyoursaas.com
Build a AI SaaS starter kit to help Startups and Indie Hackers to launch their MVPs 10x faster!
M

Mercadona Tech
eXtreme Programming
TDD

Sep 2025 - Dec 2025
Product Engineer
https://mercadona.es
Develop ACMOfy product, a custom Zendesk application builded in React for Customer Support in Mercadona Online.
M

Mimacom
AI
DevOps

January 2020 - Sep 2025
Product Engineer
https://mimacom.com/
Designed and implemented modern frontend architectures, improving UX, responsiveness, and performance. Built scalable, reusable UI components using React, Next.js, Vue.js, React Native, and microfrontend architectures across e-banking, fleet management, digital banking, AR supermarket apps, and media management tools. Developed microservices, integrated event-driven and cloud-based architectures, generated APIs with OpenAPI, deployed services, and conducted technical debt audits to enhance system architecture, scalability, and performance..
E

EXP360
VR
AI
SaaS

Nov 2018 - Jan 2020
Product Engineer
https://exp360.com/
Develop a software product to manage Virtual Reality contents in multiple environments.
F

Finametrix (adquired by Allfunds)

January 2018 - April 2018
Product Engineer
https://allfunds.com/en/
Design architecture and develop new product after merge the company with Allfunds Bank.
G

Gnommo Studios

May 2017 - August 2017
Product Engineer
Develop software for startups with new technologies and frameworks.

Education

C

CIPFP Mislata

2015 - 2017
Higher Technician in Development of Web Applications
https://www.fpmislata.com/wordpress/
C

CIPFP Mislata

2013 - 2015
Technician in Microcomputer Systems and Networks
https://www.fpmislata.com/wordpress/

Skills

React
Next.js
Typescript
Node.js
Python
LangChain
LangGraph
AI
Postgres
Docker
Nest.JS
Javascript
Linux
MongoDB
Mastra AI
MySQL
My Projects

Check out my latest work

I've worked on a variety of projects, from simple websites to complex web applications. Here are a few of my favorites.

QuickLaunch

QuickLaunch

You have a great product idea. Maybe it's an AI tool, a B2B SaaS, or a new take on an existing problem. With our solution, you only pay for the features that really matter for your business.

Next.js
Typescript
PostgreSQL
DrizzleORM
Replicate.com
COG
Hero UI
Better-Auth
Website
Kaisu

Kaisu

Kaisu is an AI-powered platform designed to transform professional education in fields such as medicine, psychology, and nutrition. It enables educators to turn their case studies into realistic, voice-based simulations that students can solve independently, from anywhere

Next.js
Typescript
PostgreSQL
DrizzleORM
TailwindCSS
Better-Auth
Open Source Contributions

I like building things

When I have time, I enjoy contributing to open-source projects. Collaborating with developers from around the world to build meaningful tools and features is both challenging and rewarding. It's inspiring to see how a group of motivated and passionate individuals can bring powerful ideas to life through shared effort and creativity.

  • W

    Wrapito

    React, TypeScript, Javascript

    Testing library on top of Vitest. Wrap you tests so that you can test both behaviour and components with less effort.
  • P

    PrimeReact

    React, TypeScript, Javascript

    PrimeReact is a rich set of open source UI Components for React.
  • A

    Akveo

    Angular, TypeScript, Javascript

    Angular Smart Data Table component.
Contact

Get in Touch

Want to chat? Just shoot me a dm with a direct question on twitter and I'll respond whenever I can. I will ignore all soliciting.

LinkedIn
X