Senior Java Backend Engineer

Japan 🇯🇵 | Hybrid

Looking for your next challenge in Japan?

Join one of the world’s largest e-commerce companies and work on large-scale backend systems used by millions of merchants and customers worldwide. As a Senior Java Backend Engineer, you’ll have the opportunity to work on highly scalable and reliable platforms while collaborating with experienced engineers across multiple teams.

💻 What You’ll Do

• Design and develop scalable backend services using Java Build and maintain high-availability web applications Improve system performance, reliability, and scalability
• Collaborate with cross-functional teams on large-scale platform development
• Contribute to architecture discussions and code reviews

🔎 Requirements

• 7+ years of professional Java backend development experience Strong experience with Linux, MySQL, Git, Maven, and Jenkins
• Solid understanding of high-traffic and distributed systems
• Experience building REST APIs and working with Java frameworks

⭐ Nice to Have

• DevOps / SRE experience - Experience with Cloud, Hadoop, Spark, Couchbase, or Play! Framework
• System migration or platform modernization experience
• Technical leadership or mentoring experience

📍 Location: Japan 🏢 Work Style: Hybrid 💼 Level: Senior

🌏 International candidates: Welcome If you’re an experienced Java backend engineer considering a career opportunity in Japan, this could be a great opportunity to explore.