Basic Information

Client ID: 117000

Job ID: 1991

Position: AD Platform/SSPTech Lead / (MGR)

Location: Tokyo

Salary: 8M 15M JPY

Language: Japanese N1 level or equivalent

Contract type: Permanent

Who we are

20104

6No.1DSPDMP2017SaaS

No.1

English here
We established the company in April 2010 with the desire to create a worldclass technology company originating from Japan. We have developed and operated our own products utilizing cuttingedge ad technology and have achieved growth that has kept pace with the speed of technological evolution. Our flagship product has expanded to the No. 1 scale in Japan in the six years since its establishment. Since then in addition to the advertising platform business such as DSP and DMP we entered the marketing SaaS domain in 2017. Currently we are expanding our business in the fastgrowing Asian region where we are steadily advancing initiatives in collaboration with leading local companies. We will continue to take on the challenge of becoming No. 1 in Japan Asia and the world by using our advanced technological capabilities to create new value that meets the needs of our corporate clients and contributes to maximizing their earnings. In January 2022 we established a new purpose (meaning of existence) to contribute to Japan and Asia by using technology to support all corporate marketing activities. As the axis of longterm goals and decisionmaking for our products and organization we have set two Purposes:
Create a world where anyone can succeed in marketing.
Become a worldclass technology company from Japan and contribute to Japan and Asia.

Roles and Responsibility

SSPTech Lead

• 100ms
• IOC
• QCD
• CI/CD

• SSP
• 900 Impression 30 impression 100msec
• English

  As a Backend Tech Lead for the SSP development team in our companys ad platform division which boasts the largest scale in the country your mission will be to lead the structural reform of new products and refresh the development environment strategically expanding the business from a technical perspective.

  In this position you will utilize cuttingedge ad technology to develop products that achieve high traffic and low latency.

  Responsibilities

  • Develop and maintain servers that handle hundreds of thousands of hightraffic requests per second and respond within 100ms
  • Build highperformance servers implemented in C using I/O multiplexing and multithreading to handle high traffic with a minimal number of servers
  • Construct servers that respond using only memory cache without database access to achieve low latency
  • Conduct research in the ad platform industry and introduce new technologies to the product enhancing technical standards
  • Design system architecture optimized for QCD
  • Establish productivity enhancement mechanisms such as development rules agile practices and CI/CD design
  • Technically lead prototype development for new ventures
  • Foster technical growth of team members through coding and code reviews

  Experience and Benefits of This Role

  • Continuously take initiatives in the growing ad tech SSP market
  • Develop a product that handles a high volume of traffic and rapid processing with 900 billion impressions per month 3 billion impressions daily managing ad displays within 100 milliseconds each

Minimum Requirements

• C
• Linux nginx
• Tech Lead (3)
• English
  • Experience in C development
  • Knowledge of Linux nginx and databases
  • Experience in designing and developing hightraffic systems
  • Over 3 years of experience as a Tech Lead or a similar role enhancing the technical capabilities of teams or organizations
  • Experience in creating documentation for knowledge sharing

Preferred Requirements

• Linux Kernel
• OSS
• (5)
• English
  • Development experience in the ad tech industry
  • Knowledge of the Linux Kernel
  • Experience as an OSS maintainer
  • Experience in researching and implementing new technologies
  • Knowledge of infrastructure
  • Experience in people management (5 or more people)
  • Businesslevel proficiency in English

Who You Are

• English here
  • Able to consider the entire service and collaborate with various departments
  • Enjoys diverse changes for continuous improvement and growth
  • Committed to delivering value to customers not just satisfying the product
  • Sympathetic to our companys purpose (corporate mission)

Tech Stacks

• : C
• OS : Linux
• : Slack Confluence Jira Google Workspace
• : Github

• Mac (Apple)
• 2

Conditions / Benefits

Employment system: Full time

Location: Shinjukuku Tokyo

Annual Salary:

based on experience ability and previous work experience

*Above amount include fixed overtime allowance (50 hours) *Pay raise opportunities twice a year (April October) *Bonuses twice a year (May November)

Hours: 10:00 19:00

• Saturdays Sundays off
• National holidays
• Paid holidays
• GW vacation
• Summer/winter vacation etc.

Benefits

• Book purchase subsidy (up to 30000 yen per half year)
• Refreshment allowance (up to 5000 yen per month)
• Rent allowance
• Support system for acquiring qualifications and languages support for taking training courses (on a casebycase basis)
• Support system for working parents
• Refreshment leave system
• Club activity allowance
• Other company events (monthly gettogethers etc.)
• Use of recreational facilities of Kanto IT Software Health Insurance Association affiliated sports clubs etc.
• Regular health checkups (once a year)

Insurance

• Social insurance
• Health insurance (Kanto IT Software Health Insurance Association)
• Unemployment insurance

Other benefits

• Transportation expenses are paid in full

Interview Process

1. CV Screening
2. 1st Interview
3. 2nd Interview
4. Final interview There will be an aptitude test and reference check before the final interview
5. Offer

This process is subject to change.

Remote Work :

No