Full-Stack Developer (Junior)
LeadUp AI
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About the role
Role Overview
You'll build the majority of the user-facing web application as a junior full-stack developer, working directly with the senior developer and CTO in a fast-moving environment. Your code ships to real users quickly, with clear specifications and hands-on mentorship.
Responsibilities
- Build the full user-facing web application: dashboards, reports, settings, onboarding
- Develop admin views for user management, configuration, and aggregate data
- Implement supporting systems: notifications, emails, exports
- Write tests against defined error scenarios
- Contribute to database schema design alongside senior developer and CTO
- Daily sync with senior developer; PR review on every merge
Requirements
- 1–3 years of professional development experience (internships and freelance count)
- React (or Next.js) for frontend, Python for backend
- Basic PostgreSQL: can write queries, understand joins, contribute to schema design
- Active AI coding tool user (Claude Code, Cursor, Copilot) as part of daily workflow
- Can read a spec and ship features independently
- Comfortable with changing priorities
- Asks questions when unclear rather than guessing
- Solid written and spoken English
Nice-to-Haves
- FastAPI experience
- Tailwind CSS and responsive design
- Authentication flows (OAuth, JWT)
- Dashboard or report-style interface experience
- Portfolio or GitHub showing end-to-end projects
What Makes This Different
You work directly with senior developers and hands-on builders, receiving real code reviews and architectural conversations. Your code reaches actual users quickly with pilot clients launching within months.
About LeadUp AI
LeadUp AI is a US-based company building a user-facing web application for fitness/gym management. The product is in active development with pilot clients launching within months.
Scraped 3/31/2026