• Build, deploy, and maintain services on AWS (EC2, Lambda, S3, API Gateway, RDS, IAM, CloudWatch).
• Develop scalable applications using Java / Advanced Java / Spring Boot.
• Work with Oracle or MS SQL Server for schema design, performance tuning, SQL/PL SQL, and stored procedures.
• Troubleshoot production issues and improve performance, scalability, and security.
• Participate actively in Agile/Scrum ceremonies and collaborate with cross-functional teams.
• Contribute to CI/CD pipelines and automation initiatives.
• (Good to Have) Mentor junior developers, take ownership of technical modules, and support release planning.

Your Profile

• Strong proficiency in Java / Advanced Java: Core Java, Collections, Multithreading   J2EE, Spring, Spring Boot

• Hands‑on experience with AWS services: EC2, S3, Lambda, RDS, CloudFormation, IAM
• Strong programming expertise in Java and/or Python.
• Experience in API development and integration.
• Solid understanding of CI/CD and build tools (Git, Jenkins/GitHub Actions, Maven/Gradle).
• Experience with Infrastructure as Code (IaC) such as CloudFormation or Terraform.
• RDBMS expertise: Oracle or MS SQL Server (SQL, PL/SQL, performance tuning).

• JLPT N3 or higher with ability to: Read and write Japanese emails,Participate in meetings with Japanese customers
• Strong English communication (verbal and written).

• AWS certifications (e.g., AWS Solutions Architect – Associate).
• Experience with DevOps practices and CI/CD tools.
• Exposure to Agile leadership, sprint planning, or small team lead roles.
• Knowledge of security (OWASP), observability (CloudWatch, ELK), and performance tuning.