3+ years of experience in using Java under a professional environment, or if you are a non-Java user, excellent skills in generalized programming languages such as Scala, Python, and Go. Interest and ability to learn other coding languages as needed. Experience with NoSQL databases and distributed cache. Strong fundamentals in data structures, algorithms, and object-oriented programming. In-depth understanding of concurrency and distributed computing. Degree in Computer Engineering or Computer Science or 3+ years equivalent experience in SaaS platform development. Business proficiency in English or Japanese.