Tokyo, Japan - Senior/Staff C++ Backend Engineer (Ad Cloud Bidding)

JP.svg
Japan
Location
Tokyo Japan
Tokyo Japan
Salary
(Yearly)
(Yearly)
(Yearly)
(Yearly)
(Yearly)
Salary information is not provided for this position.
Undisclosed
-
Category
Software Engineer
Date posted
July 14, 2025
Job type
Full-time
Experience level
Mid level

Job Description

About Appier
Appier is a software-as-a-service (SaaS) 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.


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.

About the Ad Cloud Bidding Team

The Ad Cloud Bidding Team is at the forefront of Appier's AI-driven advertising solutions. We develop high-throughput and low-latency systems that deliver superior ROAS (Return On Ad Spend) and maximize campaign ROI for clients worldwide. Our services optimize budget allocation across premium, high-intent inventories, and process billions of requests per day with millisecond precision. You will use advanced C++ technologies to build robust and scalable infrastructure that is foundational to our AI decision-making engines in a fast-paced, data-intensive environment where performance is paramount.

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 Senior/Staff Software Engineer, C++ Backend Development, 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 have the opportunity to mentor junior engineers and facilitate high-performance agile teams collaborating with cross-functional teams. The final job title (Senior or Staff) will be determined based on the candidate's experience, interview performance, and overall fit for the team.

About you

[Minimum qualifications]

  • 3-5+ 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
  • Proactive, good interpersonal and problem-solving skills

[Preferred qualifications]

  • Experience in modern build systems
  • Experience in operation automation tools
  • Experience in cloud services
  • Good understanding of monitoring and alert system

#LI-SW1 #LI-Hybrid

Apply now
Appier is hiring a Tokyo, Japan - Senior/Staff C++ Backend Engineer (Ad Cloud Bidding). Apply through Homebase and and make the next move in your career!
Apply now
Companies size
501-1000
employees
Founded in
2012
Headquaters
Taipei, Taiwan, Province of China
Country
Taiwan
Industry
IT Services and IT Consulting
Social media
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