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Woven Planet

Senior Backend Engineer, Experimentation Platform

Tokyo, Japan Remote Hybrid
Terraform React Python Docker Redis AWS Go PostgreSQL MongoDB Kubernetes Kafka Spark Vue.js Microservices API Streaming
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Description
Woven by Toyota is the mobility technology subsidiary of Toyota Motor Corporation. Our mission is to deliver safe, intelligent, human-centered mobility for all. Through our Arene mobility software platform, safety-first automated driving technology and Toyota Woven City — our test course for advanced mobility — we’re bringing greater freedom, safety and happiness to people and society. 

Our unique global culture weaves modern Silicon Valley innovation and time-tested Japanese quality craftsmanship. We leverage these complementary strengths to amplify the capabilities of drivers, foster happiness, and elevate well-being.

TEAM
Our team of experienced engineers is dedicated to simplifying and accelerating innovation for inventors and creators through a cutting-edge Experimentation Platform. We help inventors and aspiring inventors to test ideas and hypotheses in both digital and physical environments, leveraging A/B testing (among other kinds of experiments) to make the best data-driven decisions. By helping inventors to integrate experimentation into their product lifecycle, we help them ensure faster, better, and safer product releases.

Our mission is to empower inventors by helping them bring their ideas to life through a structured, data-driven process. We are committed to developing a versatile platform that caters to the diverse needs of inventors, cultivating a culture of experimentation that minimizes risks, improves their product quality, and fuels their innovation.

For more information about Woven City, please visit: https://www.woven-city.global/

WHO ARE WE LOOKING FOR
We are looking for an experienced Lead Backend Engineer to help shape the future of our Experimentation Platform. You'll lead the technical direction of the team to design, build, and deploy scalable backend services and data pipelines. You'll also collaborate with other teams from the inventors lab ecosystem to architect and implement secure and scalable integration layers between multiple components and our platform (including authentication/authorization components).

We ask that you understand data-heavy applications, scalable microservices, and modern development practices. You have a passion for driving innovation and solving complex problems, as well as mentoring and guiding other engineers. You will require a good level of communication and discussions with other teams to reach technical agreements. You will report to the function manager, and this is a hybrid work style role.

RESPONSIBILITIES:

  • Lead the development and deployment of the Experimentation Platform backend, from architecture to deployment of final solution
  • Design and architect efficient, scalable systems for data collection, analysis, and reporting.
  • Implement best practices for code quality, testing, and documentation to maintain a high standard across the team. and mentor backend developers, encouraging technical growth and best practices within the team.
  • Identify potential technical challenges, mitigate risks, and provide technical support to other teams.
  • Work with teams across the organization to ensure integration with front-end services, APIs, and third-party tools.

MINIMUM QUALIFICATIONS:

  • 5+ years of experience in backend software development, with a focus on complex, data-intensive applications.
  • Strong experience with Go and Python
  • Expertise in building microservices architecture and working with containerization technologies (Docker and Kubernetes). and proficiency with relational and NoSQL databases (e.g., PostgreSQL, MongoDB, Redis).
  • Experience with cloud platforms (preferably AWS) and modern DevOps practices (CI/CD pipelines, Infrastructure as Code using Terraform).
  • Solid understanding of software security, performance optimization, and scalability in cloud environments.
  • Excellent communication skills and fluency in English, with a proactive approach to problem-solving.

NICE TO HAVES:

  • Experience building experimentation platforms or working with A/B testing frameworks.
  • Experience with data streaming technologies such as Kafka
  • Hands-on experience with data processing frameworks/platforms (e.g., Spark, Flink, DataBricks).
  • Experience with statistical methods and data analysis tools used in experimentation.
  • Some knowledge of front-end technologies (React, Vue.js) and creating dashboards for visualization.
All interviews will be arranged via Google Meet, unless otherwise stated.

WHAT WE OFFER
・Competitive Salary - Based on experience
・Work Hours - Flexible working time with NO core-hours
・Paid Holiday - 20 days per year (prorated)
・Sick Leave - 6 days per year (prorated)
・Holiday - Sat & Sun, Japanese National Holidays, and other days defined by our company
・Japanese Social Security - all applicable (Health Insurance, Pension, Workers’ Comp, and Unemployment Insurance, Long-term care insurance)
・In-house Training Program (software study/language study)

Our Commitment
・We are an equal opportunity employer and value diversity.
・Any information we receive from you will be used only in the hiring and onboarding process. Please see our privacy notice for more details.
Woven Planet
Woven Planet
Artificial Intelligence (AI) Automotive Autonomous Vehicles Software

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