A Machine Translation Developer creates and refines computer systems that convert text or speech from one language to another. They leverage natural language processing, artificial intelligence, and machine learning techniques to develop translation algorithms. Their work includes training, testing, and modifying these algorithms to improve translation accuracy, fluency, and speed. They also manage large datasets, analyze system performance, and troubleshoot issues. Their ultimate goal is to build systems capable of translating complex, nuanced human language effectively, bridging communication gaps across different languages. They often collaborate with linguists, engineers, and data scientists to optimize their systems.