Lead BackEnd Engineer

  • Tokyo
  • Remote OK
  • Full-time
  • September 9, 2023
9,000,000 - 11,000,000 JPY /yr
Apply from Anywhere 👍
Relocation to Japan 👍
(Overseas visa sponsorship supported)
Language Requirements
Japanese: Not Required 👍
English: Fluent
Minimum Experience
Senior or above

Job Description

  • As the Lead Backend Engineer, you create an organization in which the tasks and project status of the team are shared with transparency, and in which the Business, Product, and related teams can work together in the best possible way.
  • As the Lead Backend Engineer, lead backend teams through the leader to create a culture where each team can take ownership while promoting information sharing and cooperation.
  • Constantly consider the balance between the time required for system improvements and the time used to deliver the functionality required by the business, and optimize it in discussions with the stakeholder.
  • Brainstorm with Product Managers, Designers, Backend, and Frontend Engineers to build new features, architectures.
  • Maintain and improve existing products.
  • Develop a new API with modern technology.
  • Conduct code reviews, and make technical contributions to product architecture as well as get involved in solving bugs and delivering small features
  • Make culture backend engineers can write understandable, testable code with an eye towards maintainability.
  • Improve product quality, security, and performance
  • Generate and implement process improvements
  • Sharing of information necessary for members to exercise a higher quality of autonomy
  • Contribute to the sense of psychological safety on your team
  • Hold regular 1:1's with all members of their team
  • Give regular and clear feedback around the individual’s performance

Required Requirements

Technical Skills/ Experiences

  • 7+ years of building software development experience
  • 2+ Experience of development by Go
  • 2+ years of engineering management experience building productive, high functioning teams. You can describe why these teams were high functioning and what you specifically did to ensure engineers felt productive
  • Experience with programming languages -- e.g., PHP, Python, Ruby, Scala
  • Experience in web API development
  • Experience using NoSQL(e.g MongoDB)
  • Experience in designing tables and queries of RDBMS
  • Experience using Continuous Integration systems (e.g. GitLab CI, Jenkins)
  • Experience using Docker and containerized architectures (e.g. Kubernetes).
  • Be able to lead technical architecture discussions and help drive technical decisions within your team.
  • Deep understanding of OAuth and open id connect
  • Experience running and maintaining a variety of cloud infrastructure especially AWS

Soft Skills

  • Be able to weigh several and often conflicting constraints and make decisions in a fast-moving and quickly-growing company
  • Strong communicator. Explaining complex technical concepts to designers, support, and other engineers is no problem for you
  • English communication skills (80% of engineers are non-Japanese. We are a very international team)
  • Highly organized person
  • Have motivation for team development
  • Be able to weigh several and often conflicting constraints and make decisions in a fast-moving and quickly-growing company
  • Continuously learn new technologies and find ways to solve issues and requirements

Preferable Requirements

  • Experience in event-driven architecture with microservices
  • Experience in real estate or Fintech-related products


Salary and Evaluation system
It will be decided in consideration of experience and skills.

  • Annual salary system
  • Evaluation: twice a year
  • Probation time: 3 months (conditions do not change during the probation time)
  • The annual salary includes 35 hours of overtime work

Social insurance (Health insurance, Employee pension, Employment insurance)

Working Hours

* flextime system (core time 11:00 to 16:00)

Holiday and Leave

  • Saturday and Sunday
  • Public holidays
  • Refresh holidays
  • New-year / Year-end holidays
  • Annual paid leave
  • Celebratory leave
  • Special holidays
  • Postnatal leave
  • Parental leave

Welfare and Other


  • Welcome lunch (with CEO, with Division and Department)
  • Welcome drinking
  • Internal events (Year-end party etc.)
  • Free drink (Water server and instant coffee and tea)
  • Installation of vending machines


  • PC: MacBook Pro + 1 Monitor *Monitor can only be used in the office
  • No smoking in the office
  • Until COVID-19 is settled and we're ready to issue visas, you can start working remotely from abroad

Selection Process

  1. Document screening
  2. 1st interview
  3. 2nd interview
  4. 3rd interview
  5. Final interview
    * The selection flow may be changed
    * During the selection period, we may arrange opportunities for casual talks with team members in addition to interviews

WealthPark is a start-up that helps investors and real estate companies manage their assets. It's a global company with offices in Tokyo, Taipei, Hong Kong, New York.

WealthPark's goal is to help all the personal investors in the world invest in alternative assets, with a focus on real estate. Their online platform is built with this in mind, and to help modernize the global real estate industry.

Since starting their US business in November 2018, they've been aggressively expanding into the tech community there, and WealthPark NYC is one of the only officially recognized US real estate start-ups that started in Japan. WealthPark is at the forefront of the US real estate industry in New York.

WealthPark has already made it from 0 to 1, and now they're focused on getting from 1 to 10. They want to build an even larger, more diverse team to further expand their product and achieve global success. We recommend WealthPark highly for those that want to work on a diverse team in English.

Our Service

  • Owner App
    Anytime, anywhere. Real Estate management at your fingertips.

  • WealthPark Business
    New synergy between property managers and investors.

  • WealthPark Asset Management
    Leader in Japan Inbound Real Estate Asset and Property Management for Foreign Investors.

View WealthPark's company page

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Lead BackEnd Engineer at WealthPark