Login or register to see your saved jobs and receive scout emails
Login or register to find a job
Job ID : 1544908 Date Updated : June 17th, 2025
Remote Work★Side-job OK

Lead Back-End Engineer | Food EC Service

Hiring Company **Food and Ingredients Sales Company**
Location Tokyo - 23 Wards
Job Type Other
Salary 8 million yen ~ 15 million yen

Work Style

Remote Work and WFH Side Business Ok

Job Description

【ABOUT THE COMPANY】

Sale of safe foods and food ingredients, such as organic vegetables, specially cultivated agricultural products, and additive-free processed foods, to the general public through websites and catalogs.

In 2017, two companies merged their businesses, and in 2018, another company was added to create a group. The company is taking a leap forward in a sustainable society by providing a service that allows many people to enjoy a better diet and by creating a system that rewards and makes producers of good food proud.

The company's main business area is a value-propositioned food e-commerce business, such as meal kits that meet the needs of busy customers, such as organic and specially cultivated fresh food, processed food with minimal additives, and other products that are safe and secure. In addition, they are solving social issues related to food through our business, such as wholesale of foodstuffs to nursery schools, consulting and media business using our e-commerce know-how, and mobile supermarkets that serve as infrastructure for living in depopulated areas.

Now that the company has entered its second decade of business, it will continue to provide a better dietary life for producers and customers through new initiatives and tricks, such as strengthening the products and services of each brand, establishing a new large-scale distribution center, and building a logistics system.

【JOB DESCRIPTION 】

【Responsibilities】
- Lead service development
└ As Tech Lead, you will lead development for product expansion.
- Architectural design and technology selection
└ You will be involved in a wide range of tasks with an eye on mid- to long-term business growth.
└You will be responsible for making the appropriate technology and system configuration depending on the phase.

【Specifically】
・Building the system infrastructure for the company's e-commerce site, focusing on feature improvements. This includes requirements definition, design, and development. For example, you might develop features for integrating with external services, create new services for members, reduce database load, or improve batch processing performance.
・Designing architectures that prioritize performance and scalability to ensure stable operation even during peak access times.
・Ensuring quality through robust system construction, code reviews, and test automation, all to deliver reliable services to customers every week.
・Controlling plans in team development, which involves team leadership and self-management in development projects.
・Making technical proposals and improvement suggestions for service enhancement in collaboration with other departments and teams.

【Project examples】
Work in cross-functional project teams. Participation by one or two back-end engineers, projects with a development period of approximately six months are the norm, and in the case of smaller projects, approximately two or three months.

【Technical Environment】
・Languages: Kotlin, Java
・Frameworks/Libraries: Spring Boot, OpenAPI, Doma 2
・Databases & Container Orchestration (all on AWS): Oracle, MySQL, DynamoDB, Redis, Kubernetes
・Tools: GitHub Actions, DataDog, Backlog, GitHub Projects

【Recruitment Background】
For their food delivery e-commerce service, the company is tackling a wide range of initiatives to provide a comfortable experience. This includes resolving technical debt within existing systems and building new system foundations to support business growth. They're defining the ideal customer experience and working to adapt to market changes. To achieve this, they're looking for a Lead Backend Engineer to head the backend group and focus on improving development productivity.


----------------------------------------------------
 

【Welfare】
Full social insurance
Commuting allowance
Medical checkup
Remote work and shortened hours on request
 ※Many mommy and daddy employees also work there.
Sidelines OK
Clothing optional
Employee discounts are available
Two days off per week (Saturday and Sunday)
※Depending on the situation, you may be required to work either Saturday or Sunday, but you will be asked to take a day off.
There is a space for napping
Free space (free to use for lunch and rest)

【Holidays】
Saturday/Sunday/National Holiday
Annual Paid Leave
New Year Holiday
Parental Leave
Nursing Care Leave
Congratulations & Condolence Leave

General Requirements

Minimum Experience Level Over 3 years
Career Level Mid Career
Minimum English Level None
Minimum Japanese Level Business Level
Minimum Education Level High-School
Visa Status Permission to work in Japan required

Required Skills

【Required】
・Experience considering and proposing architecture from scratch in web system (Java) development.
・3+ years of web application development experience (Java + Spring Boot).
・Experience designing and developing systems using the cloud.
・Experience using version control tools (Git).
・Knowledge and experience in designing, developing, and reviewing applications with consideration for fault tolerance and maintainability.

【Preferred】
・Experience building build & deploy pipelines using CI tools (GitHub Actions, Jenkins, JUnit, etc.).
・Experience building applications using the cloud (API Gateway, Lambda, DynamoDB, etc.).
・Experience in designing, developing, and operating applications utilizing container technology (Docker, Kubernetes).
・Experience in improving development environments, etc.
・Understanding of representative software architectures.
・Understanding of frontend technologies (SPA with TypeScript/Vue.js).

Job Location

  • Tokyo - 23 Wards

Work Conditions

Job Type Other
Salary 8 million yen ~ 15 million yen
Work Hours 9:30~18:30 *Flextime with No Core Time
Industry Internet, Web Services

Job Category

  • IT, Web and Communication > Web Developer
  • IT, Web and Communication > Software Developer
  • IT, Web and Communication > System Architect