An Algol developer is responsible for writing, testing, debugging and maintaining code written in Algol, a high-level programming language designed for scientific computations. They use Algol's structured syntax to develop algorithms and create efficient software solutions. The developer is also responsible for system analysis, program design, and documentation. They often work in scientific or academic settings, where Algol's precision and mathematical capabilities are most useful. The Algol developer may also be involved in updating legacy systems that still use Algol, ensuring they remain functional and efficient.