ProjectFitter is seeking an experienced Team Lead Software Engineer with potential growth to CTO position. This is an in-person role based in the San Francisco Bay Area, focusing on AI technology development. The ideal candidate will have strong leadership capabilities combined with technical expertise in Node.js, React, and cloud technologies. The role requires at least 3 years of software engineering experience, with specific emphasis on Node.js development. The position offers a unique opportunity to work in a startup environment with direct impact on product development and team management. The successful candidate will be responsible for technical leadership while having a clear path to executive leadership as the company grows. This role requires strong English communication skills, technical proficiency, and willingness to work from the San Francisco office. The position combines hands-on development with strategic technical leadership, making it ideal for experienced engineers looking to step into a more senior technical and management role.