Tokyo, Japan AheadGroup

Ahead Staffing is seeking an experienced Backend Developer to join one of our Global E-Commerce clients. In this role, you will be responsible for developing and maintaining point-based products. This role offers an exciting opportunity to be part of a dynamic, cross-functional team and work on high-traffic, scalable systems.

Responsibilities:

  • System Architecture: Design and implement system architectures that address both current and future business needs, while introducing modern methodologies.
  • Technical Task Breakdown: Collaborate with Product Managers (PDM), Project Managers (PJM), and business stakeholders to understand specifications and clarify requirements. Break down technical complexities, offer alternative solutions, and provide new ideas.
  • Technical Decision-Making: Lead technical decisions, considering trade-offs in system design and architecture.
  • Application Development: Ensure the speed and quality of development, conducting design and code reviews, and participating in brainstorming sessions to improve the overall codebase.
  • Quality Improvement & Optimization: Analyze potential bottlenecks and suggest solutions related to both functional and non-functional requirements (scalability, security, performance, and resilience). Contribute to improving development processes, such as implementing CI/CD, test automation, and DevOps practices.
  • Leadership & Mentorship: Mentor junior team members, guiding them through technical decisions, offering feedback, and leading by example.
  • On-Call Support: Support production issues by managing alerts, reporting, and problem resolution.

Required Skills:

  • Backend Development: At least 8+ years of experience in backend development using Java SpringBoot framework.
  • High-Traffic Web Products: Proven experience designing, developing, and maintaining high-traffic web products.
  • Full Development Cycle: Experience working on both frontend and backend technologies in the context of large-scale web applications.
  • Agile Development: Experience working in Agile environments, especially Scrum.
  • Deployment Environments: Familiarity with containerized environments like Docker.
  • Leadership Experience: Hands-on experience leading small to medium-sized development teams, offering guidance on task identification, technical decisions, and clarifications.

Desired Skills:

  • Cloud Platforms: Knowledge of cloud platforms like AWS is a plus.
  • Learning Mindset: Highly motivated, with a willingness to learn new technologies and adapt in a diverse, global environment.
  • Japanese Communication: While not required, Japanese language skills are a plus.


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