Back-end Engineer - Osaka (Java: 8075)

A Global IT Service is seeking a Back-end Engineer for its Okasa Office.

Responsibilities:
- Review requirements and translate them into system design
- Implement features, conduct unit testing, integration testing, load testing, and security/vulnerability measures
- Handle performance tuning and optimization for DB, SQL, and Java
- Maintain and improve systems including monitoring, alerts, and resolving user-reported issues

Required skills:
- Strong experience in Java-based web application development, including Spring Framework, REST/Web API development, application servers (Tomcat or equivalent), and automated unit testing
- Hands-on expertise with databases and infrastructure technologies, including MySQL/Oracle, Redis/MongoDB, web servers (Apache/Nginx), cloud platforms (AWS, Azure, GCP), and containerization technologies such as Docker and Kubernetes
- Proficiency in DevOps and system optimization practices, including CI/CD tools (Jenkins), configuration management (Ansible), version control systems (GitHub or equivalent), performance tuning, and production system operations
- Strong technical ability and communication skills to independently solve complex problems
- Solid knowledge of HTML, CSS, JavaScript, HTTP, and SSL

Why should you apply:
- This is a long-term opportunity with a chance to become a permanent employee 
- You will be working with international team members 
- Free breakfast, lunch and dinner at the cafeteria 


Company Details: 
A global company with a strong presence in multiple business areas. It has achieved sustained growth both domestically and internationally, including in the U.S. and Europe. The company boasts a diverse and international environment and is committed to equal opportunity, offering a wealth of career opportunities. Due to the diverse nature of our business, we handle a wide range of technologies! You can also choose the environment you are most comfortable with, such as Windows/Mac! Meals in the company cafeteria are also free. Our chefs are always coming up with new menu items, so you can enjoy your meal without getting bored!

Working hours: 9:00 - 17:30 (Mon-Fri)
Working Style: Hybrid (4 days in office, 1 day work from home)
Holidays: Saturday, Sunday, and National Holidays, Year-end and New Year Holidays, Paid Holidays, Other Special Holidays
Services/Benefits: Social insurance, DC Pension Plan, Transportation Fee, Skillhouse University, Test payback system, and more