As an OCaml programmer, your daily responsibilities often include designing, coding, testing, and maintaining software modules written in OCaml, as well as participating in code reviews and debugging sessions. You'll work closely with other developers, product managers, and sometimes clients to clarify requirements and ensure deliverables meet project goals. Collaboration is key, as teams frequently employ agile methodologies and continuous integration practices to manage code quality and releases. Additionally, you may contribute to improving internal tools or open-source libraries that support the OCaml ecosystem, fostering a culture of learning and innovation.