Job Description

RepRally is a fast-growing, Series A technology startup in NYC, building the ecosystem for wholesale commerce. Our platform unites brands, sales reps, and distributors in one place — making it easier than ever to generate leads, curate carts, and close orders. We intentionally keep a low profile, but our growth is exponential. Our nimble, high-impact team is backed by top investors including Greylock Partners and Indicator Ventures. Location: Flatiron, Manhattan (In-Person) Duration Option 1: Summer & Fall 2025 (June – December) Option 2: Summer 2025 (June – September) Why This Internship Matters As a Software Engineer Co-op, you’ll work directly on the front-end and back-end of our wholesale commerce platform. You won’t be fetching coffee — you’ll be shipping real features used by our customers and learning alongside engineers who’ve built products at scale. This is your chance to gain hands-on experience with modern web and mobile development while collaborating with an elite, energetic team in the heart of NYC. What You’ll Do Build and maintain responsive, intuitive UIs using React and React Native. Develop reusable components and libraries for speed and consistency. Optimize front-end performance across devices and browsers. Design, build, and maintain robust, scalable back-end systems with Node.js, TypeScript, Express, and Sequelize. Integrate front-end interfaces with server-side logic. Debug and resolve performance, data integrity, and security issues. Participate in code reviews and collaborate on best practices. Troubleshoot bugs and ship fixes quickly. Stay current on industry trends and bring fresh ideas to the team. What We’re Looking For Interest in both front-end and back-end development. Familiarity with JavaScript/TypeScript, React, and at least one back-end framework. Strong problem-solving skills and attention to detail. Excitement about working full-time, in-person in our NYC office. A proactive, collaborative mindset — you love building and learning with others. Perks & Benefits 💪 Make a real impact on a fast-scaling startup. 💸 Paid internship/co-op. 🍽 Free lunch every day. ⚡ Young, energetic team environment. 🍿 Endless snacks & beverages (including samples from our own portfolio).