12 hours ago
Tokyo, JapanSenior
Responsibilities
- Design and develop scalable, high-performance backend services for real-time ad recommendation, data serving, and AdTech infrastructure.
- Own technical roadmaps and deliver sizable projects within the Ad Cloud ecosystem.
- Optimize latency, throughput, resource utilization, database interactions, and network architecture.
- Implement monitoring, alerting, observability, incident management, and production operational procedures.
- Collaborate with product managers and scientists to translate requirements into technical designs and integrations.
- Conduct code reviews, promote strong system design practices, mentor junior engineers, and participate in backend on-call rotations.
Requirements
- 3–5+ years of hands-on backend software development experience, particularly with high-performance and high-concurrency systems.
- Proficiency in Go or Python and strong system design experience with scalable distributed systems in Linux environments.
- Experience with network API design, including RESTful APIs or gRPC, and message queues such as Kafka or Pub/Sub.
- Knowledge of SQL and NoSQL databases including MySQL, MongoDB, Redis, ClickHouse, or PostgreSQL, with database optimization and scaling experience.
- Familiarity with Docker, Kubernetes, cloud platforms, CI/CD practices, Prometheus, and Grafana.
- Preferred qualifications include a BS/MS in Computer Science or a related field, complex-system refactoring, A/B testing frameworks, production machine-learning model serving, and AdTech or recommendation-system experience.
Benefits
- Tokyo-based role with visa sponsorship provided by Appier’s Japan office for international candidates.
- Participation in a backend on-call rotation and collaboration with cross-functional teams.
Tech Stack
Apache KafkaAWSAzureClickHouseDockerGoGoogle Cloud PlatformGrafanagRPCKubernetesLinuxMongoDBMySQLPostgreSQLPrometheusPythonRedis
Categories
About Appier
Appier builds AI-driven advertising and marketing software for enterprises, offering programmatic ad bidding, customer data, and predictive tools delivered as SaaS. Founded in 2012 and headquartered in Taipei, it is a public company listed on the Tokyo Stock Exchange (ticker: 4180). Its Ad Cloud processes millions of bid requests per second across APAC, Europe, and the U.S., and is used by in-house and agency marketers.