Senior Java Engineer (PSR-7813)
Senior Java Engineer (PSR-7813)
Job type:
Haken
Specialization:
Software/Web Development
Language Level:
English Level - Advanced (TOEIC 860),Japanese Level - None
Location:
Futako-Tamagawa
Salary:
¥3,700.00 - ¥3,400.00 Hourly
Job Reference:
494635
A Global IT Service is looking for Senior Java Engineer for Global Ad Technology Supervisory Department.
We are looking for a highly skilled Senior Java Engineer to design, develop, and maintain robust and scalable backend systems. You will play a key role in building high-performance, resilient solutions that power our platform, collaborating closely with product and other engineering teams.
Responsibilities:
- Design and develop high-quality, scalable, and maintainable backend services and APIs using Java and related frameworks for our affiliate platform, understanding both business demands and available system assets
- Participate in the full web application development lifecycle, including architecture design, middleware selection, development, configuration, release, and system operations
- Detect root causes of issues and collaborate with team members for proactive recovery, taking ownership of service/system stability
- Propose new technologies and tools to improve system architecture, improve system capability and enhance development efficiency
Required skills:
- 5+ years of professional experience in web application development using Java and Spring
- Proficiency in API development, including OpenAPI specifications, ORM frameworks, and database schema design
- Experience with unit testing frameworks (e.g., JUnit)
- Ability to design system architectures and evaluate/integrate various open-source software (OSS)
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
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