Senior Next.js/MERN Developer to Help Scale a Growing SaaS

We are looking for a senior full-stack developer with strong experience in Next.js and MERN stack development to help scale and improve our growing SaaS platform. This is an ongoing development opportunity for someone who can take ownership of complex features, improve existing systems, and help us build a reliable, scalable product. The ideal candidate should have experience working on production SaaS applications and understand the challenges of scaling web platforms. Responsibilities • Develop and maintain scalable SaaS features using Next.js, React, Node.js, and MongoDB. • Build and optimize frontend and backend architecture. • Improve application performance, reliability, and scalability. • Develop APIs, integrations, and backend services. • Implement authentication, user management, and subscription-based features. • Work on dashboards, data-heavy interfaces, and user workflows. • Identify technical improvements and suggest better solutions. • Debug issues and improve existing code quality. • Collaborate with product and design teams to deliver high-quality features. • Support long-term platform growth and optimization. Required Skills • Strong experience with Next.js and React.js. • Advanced knowledge of Node.js, Express.js, and MongoDB. • Experience building and scaling SaaS applications. • Strong understanding of REST APIs and backend architecture. • Experience with authentication, payments, and third-party integrations. • Good understanding of database optimization and performance tuning. • Experience with Git, cloud platforms, and de