Token Metrics is seeking a talented Back End Engineer to support their Data Scientists and Engineering team. The role involves constructing frameworks for data preparation using SQL, Python, R, Java, and C++. The engineer will utilize machine learning techniques for data analysis structures and should be familiar with programming and deployment strategies. Collaboration with colleagues is essential to meet project needs. Responsibilities include liaising with clients and coworkers to understand requirements, building data pipelines from various sources (API, CSV, JSON), preparing raw data for scientists, implementing data validation and reconciliation, ensuring data backups, and staying updated with industry advancements. The position emphasizes conceptualizing and generating infrastructure for big data access and analysis, and optimizing existing frameworks.