Backend Engineer

Responsibilities

• Design, build, and maintain scalable backend systems to handle growing data and traffic needs.
• Collaborate closely with stakeholders (including product managers, engineer managers, and cross-functional teams) to understand business challenges and translate them into effective technical solutions.
• Lead and mentor a team of engineers, providing guidance and support to help them grow in their roles.
• Foster a collaborative, high-performance engineering culture focused on innovation and excellence.
• Take ownership of technical decisions and drive continuous improvements to our backend architecture.
• Be proactive in identifying areas of improvement, solving complex technical challenges, and ensuring the scalability and reliability of our systems.

Requirements

• 5+ years of technical experience in backend development (e.g., Java, Node.js, Python, Go) and system architecture.
• Proven experience in designing and scaling backend systems in high-performance environments.
• Expertise in cloud computing, microservices architecture, and containerization (e.g., Kubernetes).
• Solid experience with databases (SQL preferred), including performance optimization, data modeling, and scaling strategies.
• Excellent problem-solving skills and the ability to innovate in the face of business challenges.
• Strong communication and interpersonal skills to work effectively with stakeholders and cross-functional teams.
• Experience in leading and coaching teams, helping junior engineers develop their skills and careers.
• Ability to take ownership of technical projects and deliver results in a fast-paced environment.
• A passion for continuous learning and willingness to take on new challenges.
• Business level Japanese and English

Nice to haves

While not specifically required, tell us if you have any of the following.

• Experience with distributed systems and high-traffic applications.
• Experience handling systems with more than millions of users-expertise in scaling andmanaging systems to handle large user bases effectively.