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Full-Stack Java Engineer (Ad Tech Platform, Tokyo)

Michael Page

3.0
162 reviews
Michael Page
Job Type   /   Job Level
Temporary   /   Others/Any
Company Location
Japan
  • Build scalable ad platforms used across a massive digital ecosystem
  • Own design through delivery in a global, cross-border team


企業情報

A leading global internet services company with a large-scale digital ecosystem, operating one of the region's most advanced advertising platforms. The organization focuses on delivering high-performance marketing solutions and continues to invest in innovative ad technologies across international markets.

職務内容

  • Gather and analyze business requirements and convert them into technical specifications
  • Design systems and contribute to architecture decisions (basic design level)
  • Develop, test, and maintain full-stack applications using Java and related technologies
  • Conduct code reviews and ensure adherence to coding standards and quality practices
  • Perform unit testing, validation, and support deployments across environments (DEV/STG/PROD)
  • Monitor systems post-release and conduct ongoing maintenance
  • Collaborate closely with project managers, architects, QA, and DevOps teams
  • Work effectively within cross-cultural and international development teams
  • Proactively identify improvement opportunities in systems and processes
  • Stay ahead of emerging technologies, including AI tools, and recommend adoption strategies


理想の人材

  • 5+ years of software development experience as a Software Engineer
  • Strong system design and hands-on development capability
  • Proven experience in Agile/Scrum environments
  • Excellent problem-solving and analytical skills
  • Strong ownership mindset with proactive attitude
  • Effective communication skills with both technical and non-technical stakeholders
  • Experience using AI-assisted development tools (e.g., GitHub Copilot or similar)


Technical Skills (Required)

  • Java (Spring Boot, Batch)
  • MySQL and NoSQL (e.g. MongoDB)
  • Cloud/data technologies (e.g. GCS, BigQuery, DataProc or equivalents)
  • Kafka or similar messaging platforms
  • Git for version control
  • Jira or equivalent project management tools


Preferred Skills

  • Big data technologies (Hadoop, Hive, Spark, Presto, etc.)
  • Frontend frameworks (React, Angular)
  • Additional NoSQL databases (Cassandra, Redis, Couchbase)
  • CI/CD tools such as Jenkins
  • Test automation (JUnit), code quality tools (Sonar)
  • BI tools (Tableau, MicroStrategy)
  • Experience in enterprise system or data pipeline architecture design


What's On Offer

  • Opportunity to work on large-scale, high-traffic ad platforms
  • Exposure to global, cross-functional engineering teams
  • Hands-on ownership across the full development lifecycle


Contact: Serena Wu

Quote job ref: JN-072026-7057688
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