We Love AI JobsStaff Software Engineer, C++ Backend Development (Ad Cloud Bidding) - Tokyo Relocation required
AppierYou’ll design and operate high-throughput, low-latency backend services for Appier’s Ad Cloud Bidding product. The Staff Engineer will help set technical direction, improve service reliability, and lead work on large-scale distributed systems.
Skills & Expertise
Key Responsibilities
Design and develop large-scale backend systems and distributed services.
Contribute to technical roadmaps and collaborate across teams on high-performance systems.
Operate production services, troubleshoot incidents, and improve reliability and deployment practices.
Full Description
About Appier
Appier is an AI-native Agentic AI as a Service (AaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: 4180). Visit www.appier.com for more information.
About the role
Software engineers (Ad Cloud Bidding) at Appier Tokyo office build a wide range of platforms and services that interconnect data and AI with our customers and users. As a Staff Software Engineer, you will play a critical role in designing and building scalable and performant backend architecture, owning and driving the technical roadmap for sizable projects or services. You will also take responsibility for service operations – ensuring reliability, availability, and efficient deployment of large-scale distributed systems.
Responsibilities
• Engage in the design of large-scale backend systems and distributed services
• Contribute to technical roadmap and planning
• Collaborate with cross-functional teams to deliver robust and high-performance systems
• Troubleshoot production issues and contribute to root cause analysis
• Ensure high reliability through best practices in service operation, monitoring, and deployment
• Participate in on-call rotations and lead incident response when required
About You
[Minimum qualifications]
• 8+ years of experience in software development
• Proficient in modern C++ programming (C++11 and later)
• Familiar with Unix/Linux environments
• Solid understanding of system programming
• Experience in developing low-latency (millisecond-scale) and high-throughput (>1K QPS per machine) systems
• Experience in service optimization and performance tuning
• Strong sense of ownership and good problem-solving skills
[Preferred qualifications]
• Experience in modern build systems
• Experience in operation automation tools
• Experience with monitoring, logging, and alerting frameworks
[Language]
Fluent in English or Chinese.
Open to overseas candidates/Visa Support
This position is based in Tokyo, Japan. For international candidates, Appier's Japan office provides visa sponsorship to ensure a smooth transition to Japan.
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