The job duties of an SBA business development officer include working to provide financial product and business services advice and helping with the loan application process for business customers who are eligible for programs run by the Small Business Administration (SBA). Your responsibilities include working with small and medium-sized businesses; you may offer banking services from your employer, solicit new small business customers, and work to develop a relationship with existing clients. This job may include working with the SBA to research and understand the available programs, services, and eligibility requirements.