Full Stack Python Developer at Citi guiding the team to develop scalable data solutions. Collaborating across management teams to enhance and implement applications systems and drive innovation.
About the role
- Software Engineer or Senior Software Engineer developing high throughput ads products in Tokyo. Focused on performance measurement, ranking, and user targeting in a profitable ad ecosystem.
Responsibilities
- **The Role**
- In the Ad world, speed is the name of the game. You will develop ads product features in a high throughput low latency application that serves Ads. You will work on proactive, innovative, creative problem solving for system improvements which will result in profitable ads-ecosystem and generation of relevant Ads system.
- Responsibilities
- Participate in the iteration of architecture design of robust and scalable online/offline backend systems for state-of-the-art ads delivery system, including
- Measurement: collect and attribute various types of events, measurement and monitor ads performance
- improve our system for measuring ads performance stats (impression, click, conversions) across wide range of scenarios (e.g. app, web, video)
- develop and maintain data pipelines for processing ads signals for various downstream usage (e.g. CTR, CVR)
- Ranking Backend: better ads prediction and delivery
- end-to-end ad delivery backend: aggregation (filters and pre‑ranking), accurate prediction and bidding in ranking/auction, and post‑auction allocation
- cooperate with AdsRanking(machine learning engineers) closely
- Premium Ads: offer guaranteed visibility, better positioning ads
- reservation-based, CPM-sold campaigns with fixed impression units and periods, shown at the top of selected channels
- Targeting & CustomAudience: great matching between users and ads
- Develop and maintain data pipelines to process user signals used for different user targeting options
- Work closely with teams like Ads Ranking(Machine Learning team), Ads Foundation and other Ads/DP/AiInfra teams to deliver high quality ads
Requirements
- **Minimum requirements**
- BS degree or above in Computer Science, Computer Engineering, Science (physics or mathematics) or other relevant majors
- 3+ years experience in developing backend systems for high traffic web services
- Advanced skill and experience in at least one programming language. Prefer Java, Kotlin, Golang. Open to C++, C#, Python.
- Fluent in using Kafka, Redis, SQL and some NoSQL DBs
- Business level English
- **Nice to have experiences/skills**
- High programming skills in Java, for example, failure analysis and class/interface design
- Experience of architecture design in a high traffic web service
- Configuration, development and operation of a Microservice / Service Mesh architecture
- Experience in Github, AWS, SpringBoot, MySQL, Hive, Spark, Flink, Docker, Kubernetes
- Experience in large scale data processing techniques
- Have basic understandings of machine learning, statistics, and various mathematics at a liberal arts level
- Experience in leading a whole lifecycle of a project; clarification of the motivation and the goal, definition of the system design, develop and release it, and learning from the result
- Leadership experience (such as technical lead or management role) in a fast growing company
- Skill and will to partner with internal business people to define product strategy and features; for example, ads product managers or ads product specialists
- Experience in advertisement / Ad Tech industry
- Possible to use Japanese at a business level
Benefits
- **Benefits available at the SmartNews Tokyo Office**
- All healthcare and social insurance required by the Japanese labor law, plus annual health check
- Visa sponsorship and overseas relocation support available for eligible candidates
- Click here or visit our careers site for more info about our benefits.
Job title
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