Just In. · 20 hours ago
Frontend Developer
United States
Internship
Remote
Intern, Entry, Mid, Senior LevelJust In is a peer-to-peer fashion marketplace launching in Spring 2026, focused on allowing college students to buy and sell secondhand fashion. The role involves refining the UI and transitioning into a Frontend Lead position, managing frontend development and shaping the user experience as the company approaches its launch.
Internet
Responsibilities
Refine existing UI implementation to match Figma designs pixel-perfectly
Build reusable styled components based on our design system
Implement proper spacing, typography, colors, and visual polish across all screens
Create additional pages and features using established design patterns
Work directly with our CTO to integrate the frontend with the backend
Own all frontend development and UI implementation
Make architectural decisions for the frontend codebase
Eventually, hire and manage additional frontend developers
Lead the design-to-development handoff process
Shape product experience as a core team member with an equity stake
Qualification
Required
Strong frontend development skills (React Native, Swift, Flutter, or similar)
Experience translating Figma designs into production-ready code
Deep understanding of CSS/styling and component-based architecture
Attention to detail for spacing, typography, and visual consistency
Ability to work independently and take ownership
Portfolio or GitHub showing clean UI implementation work
Preferred
Experience with mobile-first design and development
Previous work on marketplace or e-commerce apps
Understanding of design systems and component libraries
Startup or early-stage product experience
Leadership or mentorship experience
Benefits
Guaranteed path to Frontend Lead role with equity after proving initial value
Ground floor opportunity at a growing consumer brand preparing for launch
Real ownership over product quality and user experience
Direct impact on a product that thousands of students will use
Portfolio work showing real product shipped to real users
Work alongside a technical team that values craft and quality
Company
Just In.
Just In is revolutionizing campus fashion, creating a secure marketplace exclusively for verified college students.
Founded in 2025
2-10 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase