Mercari
Senior Software Engineer (Data Platform)
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Tags: Full-time, 6~8 YOE, Business Japanese
Roppongi, Minato City, Tokyo, Japanã»Fetched 30+ days ago
Job Description
Team: Engineering
JD in Japanese follows. è±æã®åŸã«åæJDãã芧ããã ããŸãã
Senior Software Engineer (Data Platform) â Merpay
- Employment Status:Full-time
- Work Hours:Full Flextime (no core time)
- Office: Roppongi
- For more details, see the Overview of Our Positions section on our Careers site.
https://careers.mercari.com/en/recruitment-selection/#section3 ã
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About Mercari
Circulate all forms of value to unleash the potential in all people
"What can I do to help society thrive with the finite resources we have?" The Mercari marketplace app was born in 2013 out of this thought by our founder Shintaro Yamada as he traveled the world. We believe that by circulating all forms of value, not just physical things and money, we can create opportunities for anyone to realize their dreams and contribute to society and the people around them. Mercari aims to use technology to connect people all over the world and create a world where anyone can unleash their potential. For more information about Mercari Groupâs mission, see Mercariâs Culture Doc.
https://careers.mercari.com/en/culture/
Organization/Team Mission
Mercari Engineering Principles
Mercari Engineering Principles are a shared understanding that serves as the foundation of engineering beliefs and behavior at Mercari. The Engineering Principles are designed to complement the organizational identity (Mercariâs mission, values, and culture) from an engineering viewpoint.
These principles ultimately help us achieve Mercariâs mission by defining the ideal state we seek to realize in the long term.
- Passion For The Product
- Grow Together
- Solve Through Mechanisms
- Collaborate Openly
For more details, please see the following link:
See here for more information about our mission and values.
https://careers.mercari.com/en/culture/
Work Responsibilities
- Mercari Group utilizes data for business decisions and other processes in a wide variety of areas, including marketing, machine learning, and R&D. As part of Merpayâs Data Platform Team, you will design, develop and operate the data infrastructure/data pipelines which support data utilization for the entire Mercari Group, including not only Merpay, but the Mercari marketplace app. You will also be responsible for work on the Mercari Groupâs data utilization as a whole.
- The Data Platform Team is an engineering organization which builds the systems necessary to a wide range of domains that utilize data. This work includes development of an ecosystem enabling data collection, Data Lake, DWH, use of collected data and other processes required by data utilization. The following describes the responsibilities of a software engineer on the Data Platform Team, as well as the environment and organization in which they work:
- Job Description
- Collecting data from microservices
- Developing batch-based data pipelines
- Developing streaming-based data pipelines
- Developing SDK for logging within microservices
- Data Lake, DWH
- Constructing Data Lakes for storing collected data
- Managing partial permissions and resources on DWH
- Data utilization
- Developing tools to support use of data in Data Lakes and on DWH
- Developing a platform to provide stream data processing function
- Company-wide
- Improving performance, aiming for low latency/high throughput according to application and middleware development, operation, and requirements
- Developing tools to automate operations and/or lower costs
- Identifying and solving technical issues with the system caused by engineering
- Tools Used/Dev Environment
- Programming languages: Python, Java, Scala
- Infrastructure: Google Cloud Platform (Compute Engine, Kubernetes Engine, Dataflow, Pub/Sub, Cloud Storage, BigQuery, Spanner, Cloud SQL, Cloud Logging etc.), Confluent Cloud
- Distributed processing: Apache Flink / Apache Spark / Kafka Connect
- Workflow: Argo Workflows
- BI tools: Looker / Data Studio
- Configuration management tools: Terraform
- Monitoring: Stackdriver Monitoring / Datadog / PagerDuty
- CI/CD: Github Action / Spinnaker
- Knowledge Tool: Confluence/Jira
- Other: GitHub / Slack
- Development Method: Agile (Scrum, Kanban, etc.)
- Dev Organizations
- As part of the Data Engineering Team, you will work on development alongside members with a broad range of expertise from the following organizations.
- Teams
- Data Management Team
- Data Analytics Teams
- Machine Learning Teams (Search, Recommendation, Credit, Anti Fraud, etc)
- Product Teams (Marketing, CRM, Customer Support, Anti Fraud, etc)
Unique Challenges
- Opportunity to build large-scale data infrastructure to support the massive amounts of data generated by Mercrai Group, including the Mercari Marketplace app with its over 20M monthly users.
- Work on development of an ecosystem to support data-driven business expansion by addressing the data utilization needs of many domains including analytics/decision-making, marketing, machine learning, and R&D.
- Take on the entire data platform creation process, from design to development to operation, to revise existing data infrastructure and develop new features which meet new data utilization needs.
Qualifications
- Required Experience/Skills
- A shared belief in Mercari and Merpayâs missions and values
- A degree in computer science or a related field, or else five or more years of practical experience in software development
- Experience designing, developing, and operating large-scale services and/or distributed systems
- At least two of the following:
- Experience developing in the cloud with AWS, GCP, etc.
- Experience developing systems utilizing container technologies such as Kubernetes
- Development experience using message queues like Cloud Pub/Sub and Apache Kafka
- Experience in data processing development using distributed processing frameworks like Apache Flink and Apache Spark
- Experience with ETL system using workflow engines like Airflow and Digdag
- Experience designing application logs for large-scale services
- Preferred Experience/Skills
- Experience working at a financial institution, Fintech company, or EC company
- Ability to identify the cause of technical system issues (e.g. drop in performance) and to resolve them
- Knowledge of network protocols such as TCP/IP, HTTP, gRPC, etc.
- Experience developing and operating software using two or more of the following: Go, Java, Scala, or Python
- Developed data collection systems using Treasure Data-created OSS (such as Fluentd, Embulk)
- Experience in development using DWH like BigQuery, Redshift, or Snowflake
- Experience in development using RDBMS, including MySQL and RDS
- Experience in development or cluster operation using the Hadoop ecosystem
- Experience developing software based on a microservice architecture
- Experience publishing and contributing to OSS
- Language
- English: Basic (CEFR - A2) optional
- Japanese: Independent (CEFR - B2)
For details about CEFR, see here
ãhttps://careers.mercari.com/en/language/ ã
Learn More About Mercari Group
- Careers site: https://careers.mercari.com/en/
- Mercan: https://mercan.mercari.com/en/
- Social media: X / Linkedin
- ãã¡ã«ãã€ãã¹ããŒããå éããå ã«æãããªããããªç€ŸäŒããšã¯ (Japanese Only)
- ã¡ã«ã〠DataPlatform Team ã®èšç«ãšãã®èæ¯ (Japanese Only)
- åãã¡ã¯ã©ããã€ã¯ããµãŒãã¹ã®ãã°ãåéããã®ã (Japanese Only)
- ã¡ã«ãã€ã«ããã倧èŠæš¡ãããåŠç (Japanese Only)
- ã¡ã«ãã€ã®ããã·ã§ã³ãä¿¡çšãåµé ãããã«æ·±ããé¢ããData&MLã®æŽå²ãæ¹ããŠçŽè§£ããŠã¿ãïŒ (Japanese Only)
- ã¡ã«ãã€DataPlatformã®CDC DataPipeline (Japanese Only)
Recruiting at Mercari
At Mercari Group, we value empathizing with and embodying the mission and values ââof the Group and each company. To promote the creation of an organization that maximizes the total amount of value exhibited by all members, we would like to understand the experience and skills of each candidate as accurately as possible.
Recruiting cycle at Mercari Group
- Application screening
- Skill assessment: For engineering positions, you will be asked to complete a skill assessment on HackerRank or GitHub. For non-engineering positions, you may be asked to complete an assessment depending on the position. (The timing of the assessment may coincide with the interview process.)
- Interview: The number of interviews may vary depending on the position.
- Reference check: We will ask for online references around the timing of the final interview.
- Offer: Offers will be determined carefully in consideration of the final interview and the reference check.
ãLearn more about our recruiting process here.
ãhttps://careers.mercari.com/en/recruitment-selection/
Equal Opportunity Hiring
Here at Mercari, we work to realize a world in which no oneâs potential is limited by their background and everyone has the opportunity to freely create value. We also firmly believe that a mindset of Inclusion & Diversity is essential for us to achieve our mission.
This, of course, extends to our hiring practices as well. Mercari is committed to eliminating discrimination based on age, gender, sexual orientation, race, religion, physical disability, and other such factors so that anyone who shares our mission and values can join us, regardless of their background. For more details, please read our I&D statement.
https://about.mercari.com/en/inclusion-diversity/
Please read and acknowledge our Privacy Policy prior to submitting your application.
https://careers.mercari.com/en/privacy/
Senior Software Engineer (Data Platform) â Merpay
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Mercari Engineering Principles ã¯ãã¡ã«ã«ãªã®ãšã³ãžãã¢ãªã³ã°çµç¹ã«ããã信念ãè¡åã®åºç€ãšãªãå ±éèªèãææåãããã®ã§ãã¡ã«ã«ãªã®ã¡ã³ããŒå šå¡ãå ±æããMissionãValueãCultureããšã³ãžãã¢ãªã³ã°ã®èŠç¹ããè£å®ãããã®ãšãªããŸãããããã®Principlesã¯ãç§ãã¡ãé·æçã«å®çŸããããšããçæ³çãªå§¿ãå®çŸ©ããããšã§ãæçµçã«ã¡ã«ã«ãªã®ããã·ã§ã³ãéæããããã«æŽ»çšããŠãããŸãã
- Passion For The Product
- Grow Together
- Solve Through Mechanisms
- Collaborate Openly
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