Caleb Buffleben is a seasoned software engineer with extensive experience in front-end and full-stack development. Currently serving as a Senior Front-end Engineer at PrimeUp, Caleb focuses on secure development practices within one of Brazil's largest energy sector companies. Previous roles include Senior Front-end Engineer at Linker, where Caleb worked on a bank application using React and Next.js, and Tech Lead at ACCT global, leading the development of large e-commerce platforms with React and Node on the VTEX platform. Caleb's background also includes frontend development with React and PHP at Bravosul, full-stack web development at Migrate, and freelance services that involved various technologies. Educational qualifications include degrees in Information Technology and Computer Programming from UNOPAR and Faculdade Anglicana de Erechim.