シニアJavaバックエンドエンジニア/ Java Senior Backend Engineer/Java Tech Lead
A global company is currently looking for a Java Senior Backend Engineer/Java Tech Lead.
Location:Osaka
Salary: 8 – 9 mil/ annual
Hiring company:Large global company (大手グローバル企業)
Start date: (Can negotiate)
Type of employment:Temp to Perm * 6-12 months later, the candidate will be perm
Remote Work:Once a week
Responsibilities:
- Design, develop, test, and maintain large-scale e-commerce backend and frontend systems for Marketplace
- Deliver high-quality features by understanding business requirements and collaborating with cross-functional teams
- Drive system improvements through refactoring, performance optimization, architectural enhancements, and adoption of appropriate technologies
- Maintain highly available 24/7 services, including monitoring, troubleshooting, and bug fixing
- Design and develop RESTful APIs and microservices to support scalable, maintainable systems
- Contribute to continuous improvement of development processes, code quality, and engineering best practices
- Collaborate proactively with engineers to improve operations and deliver an exceptional shopping experience with fast time-to-market
Requirements:
- 10+ years of experience in software design and development
- 5+ years of hands-on experience with Java / Java EE, including JVM internals (class loading, memory management, GC tuning)
- Strong experience with RESTful API design and Microservices Architecture
- Experience with Docker, Kubernetes, CI/CD pipelines (e.g. Jenkins), and system monitoring tools
- Solid understanding of software development lifecycle, including code reviews, source control, testing, and build automation
- Ability to enhance and modernize legacy systems while working within existing constraints
- Passion for building scalable, high-performance, and highly available systems in a collaborative environment
- **Japanese is not required for this position**
Keywords:
IT, バックエンド, 開発, グローバル, エンジニア, 在宅, 大阪 求人
Job Ref: DL42M6
仕事内容
雇用形態 : 派遣・契約
専門分野 : IT
職種 : 開発
業界 : インターネット・ニューメディア
給与 : ¥8,000,000 - ¥9,000,000 per annum
勤務形態: ハイブリッド勤務
職務レベル: 上級管理職
勤務地 : Osaka
TEMPORARY求人番号 : DL42M6-46B07D33
掲載日 : 2026年7月21日
担当コンサルタント : Seiya Makino
kansai information-technology/development 2026-07-21 2026-08-20 new-media-and-internet Osaka JP JPY 8000000 9000000 9000000 YEAR Robert Walters https://www.robertwalters.co.jp https://www.robertwalters.co.jp/content/dam/robert-walters/global/images/logos/web-logos/square-logo.png true