George Jimenez

Senior Full-Stack Software Engineer · Founder of Crealix, an AI video SaaS

Summary

Senior full-stack software engineer with 7+ years building products end to end in TypeScript, React, Node.js and Python. I founded Crealix and built it alone: an AI video SaaS with 1,800+ users and 60+ paying customers. I also lead front-end work at Sehma, and was previously a tech lead at Quental.

1,800+users, built and run solo
60+paying customers
99.4%success on 800+ renders
900+videos auto-published

Experience

Founder & Lead Engineer · Crealix
May 2026 – Present
Miami, FL · Remote · Launched in May 2026 after a year of development

AI video platform: type an idea, get a finished, narrated and captioned video for TikTok, YouTube and Instagram.

  • Grew the product from first commit to 1,800+ users and 60+ paying customers as the only engineer.
  • Designed the video pipeline (Trigger.dev, Remotion on AWS Lambda, Cloudflare R2) with model fallbacks and cost limits across AI providers: 800+ videos rendered at 99.4% success, up to 20 minutes long.
  • Built Stripe and PayPal subscriptions and a credits ledger (13,000+ entries) that charges real provider cost and refunds failed jobs automatically.
  • Shipped an MCP server with OAuth 2.1 so Claude, ChatGPT and Cursor users create videos from chat; 30+ accounts connected in three weeks.
  • Built Autopilot, which writes, produces and publishes video series on a schedule (900+ videos posted).
  • Ran growth: 6 languages, a multilingual SEO engine and server-side ad attribution, bringing cost per paying customer down to $11.

Stack: Next.js 16, React 19, TypeScript, Bun, Hono, PostgreSQL, Prisma, Trigger.dev, Remotion, AWS Lambda, Stripe, OpenRouter, ElevenLabs

Senior Frontend Engineer · Sehma
Nov 2024 – Present
Miami, FL · On-site
  • Lead front-end development of the company's web and mobile apps in React, Next.js and React Native.
  • Built a Storybook component library on shadcn/ui and Tailwind CSS, and shipped the web app as a PWA.
  • Built data-heavy screens with TanStack Query and Table, typed forms and Cypress end-to-end tests.
Quental · Software consultancy
Feb 2022 – Nov 2024
Madrid, Spain · Remote
Senior Frontend Engineer
Aug 2023 – Nov 2024
  • Built and improved interfaces for client products, including GLS (parcel delivery) and Fesbal (Spanish Federation of Food Banks), in Vue 3, Next.js and React.
  • Structured state and data access with Redux Toolkit and Pinia, with validated forms and Cypress tests.
Technical Team Leader
Apr 2022 – Aug 2023
  • Led an engineering team building web apps on Django REST Framework, NestJS, Next.js and Vue: scoping with stakeholders, planning and code review.
  • Built back-end services with Celery and Redis jobs, Solr search, Puppeteer automation and an Algorand blockchain integration, on Docker.
  • Set team standards for Git workflow, code review and automated testing (Pytest, Jest, end-to-end).
Software Engineer · University of Camagüey
Sep 2019 – Jan 2022
  • Built web, desktop and mobile applications for the university and local companies, from analysis to delivery.

Stack: Django REST Framework, React, Angular, Node.js, Express, PyQt5, Android (Java)

Skills

Languages
TypeScript, JavaScript, Python, Java
Frontend
React, Next.js, React Native (Expo), Vue / Nuxt
UI & styling
Tailwind CSS, shadcn/ui, Radix UI, CSS, Sass / SCSS, Bootstrap, Material UI, Ant Design, Chakra UI, Storybook
State
TanStack Query, Zustand, Redux Toolkit
Forms & validation
React Hook Form, TanStack Form, Formik, Conform, Zod
Backend & APIs
Node.js, Bun, Hono, NestJS, Express, Django REST, REST APIs, GraphQL
Data
PostgreSQL, Prisma, Drizzle, Supabase, Redis, MongoDB
CMS
Contentful, Sanity, Strapi
SEO & analytics
Technical SEO, Google Search Console, Google Analytics 4, Core Web Vitals, Lighthouse, Schema.org (JSON-LD), Sitemaps, hreflang
AI & video
LLMs (OpenRouter, Claude, OpenAI, Gemini), fal.ai, MCP servers, Remotion, FFmpeg
Cloud
AWS (Lambda, S3), Vercel, Cloudflare R2, Railway, Trigger.dev, Docker
CI/CD
GitHub Actions, GitLab CI, SonarQube
Payments & auth
Stripe, PayPal, Better Auth, OAuth 2.1
Testing & monitoring
Jest, React Testing Library, Playwright, Cypress, Pytest, Sentry

Education

B.Eng. in Software Engineering

University of Camagüey "Ignacio Agramonte Loynaz"

2017 – 2021

Languages

Spanish — Native

English — Professional working proficiency