1. Software Engineer: Develop and implement software solutions, participate in design and coding activities, and collaborate with cross-functional teams. 2. Business Analyst: Analyze business requirements, conduct market research, and assist in defining project scope and objectives. 3. Quality Assurance Engineer: Design and execute test cases, identify defects, and ensure product quality throughout the development lifecycle. 4. Data Scientist: Extract and analyze data, build predictive models, and provide insights to drive business decisions.