About Us 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). Apply tot his job