Junior Full-Stack Engineer
Job Summary
Junior Full-Stack Engineer
Startup Chihuahua
Location: On-site Chihuahua México
Type: Contract 6 months (full-time preferred / part-time considered)
ABOUT US
Startup Chihuahua builds the technology that powers an innovation ecosystem across Mexico. We democratize access to innovation: we run accelerator programs evaluate startups and pitch decks and manage financial operations for nonprofit organizations. Our products handle real money real tax compliance and real impact for organizations.
Were a small fast-moving engineering team that ships every day and leans heavily on modern tooling including AI to punch above our weight.
WHAT YOULL WORK ON
Youll contribute across two flagship products:
FinCore: a financial-management platform for Mexican nonprofits: vendors invoices CFDI tax compliance budgets treasury and payments. Built with React 19 Vite Tailwind and Supabase (PostgreSQL Edge Functions).
Ecosistema: the CRM and management platform for our programs: cohorts applications events and AI-powered pitch-deck evaluation. Built with 15 React 19 MongoDB and Zod.
Youll ship features end to end from the database and API to the UI alongside engineers who will review your code and help you grow.
WHAT WERE LOOKING FOR
This is a junior role offered as a 6-month contract. We care more about how you think how quickly you learn and how adaptable you are to change than about years of experience.
Requirements
Solid fundamentals in JavaScript/TypeScript and comfort with React
Experience building projects: internships school projects personal projects or a bootcamp all count show that you know your craft
Curiosity ownership and a habit of finishing what you start
Comfortable communicating in Spanish and English
Willingness to work on-site in Chihuahua
NICE TO HAVE (bonus not required)
Experience with or a backend framework
Familiarity with PostgreSQL Supabase or MongoDB
Exposure to Tailwind CSS
Experience using AI coding tools (Claude Code Cursor Copilot)
Interest in LLMs / AWS Bedrock fintech or the Mexican startup ecosystem
Experience deploying to AWS and similar services
Client support: handling questions gathering requirements and communicating with clients directly
Familiarity with testing best practices and platforms (Jest Playwright Cypress Postman)
Benefits
Work on products that move real money and real impact in Mexico
Small team big ownership your code ships to production very fast
Be part of Chihuahuas growing innovation and startup community
Possibility of extension or conversion to a longer-term role based on performance and fit
HOW TO APPLY
Send your CV and a link to anything youve built (GitHub a portfolio a project) to
Tell us in a couple of sentences why this role interests you and how you can contribute to Startup Chihuahua.
Required Skills:
JavaScript TypeScript React PostgreSQL Supabase MongoDB Tailwind CSS Git REST APIs AI coding tools (Claude Code Cursor Copilot)
Required Education:
Degree in Computer Science Software Engineering or a related field