Senior Data Engineer - MIDAS Data Platform, Digital Bank, Tokyo

Tokyodev is a technology firm focused on digital banking solutions, operating a MIDAS data platform that supports the bank’s core services in Tokyo. The Senior Data Engineer will be responsible for designing, building, and maintaining large‑scale data pipelines and storage systems that feed analytics, reporting, and machine‑learning workloads. Day‑to‑day tasks include developing ETL processes, optimizing data models, implementing data quality checks, and working with cloud infrastructure to ensure scalability and reliability. The role also involves collaborating with product, analytics, and engineering teams to translate business requirements into technical specifications, and mentoring junior engineers on best practices. The position suits candidates with several years of experience in data engineering, strong proficiency in SQL and a programming language such as Python or Scala, and hands‑on knowledge of big‑data technologies like Spark, Hadoop, or Flink, as well as cloud platforms (AWS, GCP, Azure). A background in financial services or digital banking is advantageous but not mandatory.