Full-Stack TypeScript Developer (Next.js + Node.js) – Long-Term Role

We are looking for a full-stack developer to join us long-term and help build and improve an existing EdTech platform (SpellQuiz) used by students and teachers. Our company has been operating for 10+ years, and we value long-term collaboration, stability, and loyalty. We are not looking for agencies — only individual developers who want to grow with the product over time. Tech Stack Next.js, React, TypeScript Node.js, Express MongoDB (Mongoose / Typegoose) Responsibilities Build and improve product features (frontend + backend) Maintain and optimize an existing production system Debug issues and improve performance Improve mobile and tablet experience Contribute to product ideas and user experience improvements Requirements 3+ years experience Strong TypeScript, React (Next.js), Node.js Experience with MongoDB Ability to work independently and take ownership Reliable and responsive communication Nice to Have React Native experience (or willingness to learn) Experience with authentication, payments, or third-party integrations Experience integrating APIs (AI/OpenAI is a plus, not required) Offer Starting from $1,500/month (depending on experience) Long-term, stable role (not freelance/short-term) Remote, flexible schedule Direct work with founder, fast decision-making Real product with real users Important We are looking for individual developers only (no agencies) This is a long-term position, not a short contract We value loyalty, consistency, and ownership To Apply Please include: Brief summary of your experience Links to GitHub or projects Your experience with Next.js, Node.js, and MongoDB Answer the screening questions below