To hire a full stack developer for your business project, started by defining your project requirements, including the technologies required. Post your job on platforms like CONTUS Tech, Apptha, ApphiTect, LinkedIn, Upwork, or specialised tech job boards. Screening developers for skills with both front-end with back-end technologies. First, start with technical interviews, check problem solving skill & coding skills. Finally, review their portfolio to ensure they can deliver quality work.