• Full-time

Publication date： 2025.06.24

Company name not disclosed

[Full remote x full flexible] Full stack engineer

  • System Engineers / Infrastructure Engineers / Web Engineers / Game Developers
  • Full remote work
  • Salary： 4.8 to 10.2 million yen
【フルリモート×フルフレックス】フルスタックエンジニア
職種Position System Engineers / Infrastructure Engineers / Web Engineers / Game Developers
会社概要Company profile [Company Overview]
They are a startup that develops products that improve the sharing of medical data between medical institutions, individuals, and companies, and "redesigns the medical infrastructure of society itself."

"Change what is taken for granted in medicine. Your code will become the infrastructure that saves lives in the future."

To begin with, they are now venturing into the field of "standardization and utilization of health check data."

Medical expenses account for approximately 40% of social security expenses. Behind these ballooning issues are inefficiencies in the field and missed opportunities for prevention. They believe that reconnecting medical data with health check data as the axis will be the first step in reducing medical expenses and reforming the medical infrastructure of the future.

[What you can gain from this job]
- You can approach the huge social issue of medical expenses through products
- You can be involved in cross-disciplinary design and implementation, so there is a wide range of technical growth
- Because it is a small but elite organization, you can be involved in technology selection and architecture design with discretion
- You can directly reflect the voices of medical institutions and users who use the product
- Flexible working style possible with full remote and full flex

[Development process and stance]
- Each member is in charge of ``consistently on a functional basis from infrastructure to front-end''
- They emphasize ``user experience-based development'' while working with designers and customer success
- You have a lot of discretion and can actively participate in design policy and technology selection

Main technology stack as of January 2023
- Frontend: React Native, React, TypeScript
- Backend: Go, BFF/GraphQL, AWS
仕事内容Job description *This position is available only for people residing in Japan
As a full-stack engineer, you will be involved in the design, development, and operation of our in-house products that connect medical institutions, individuals, and corporations.

You will also be responsible for web and mobile app development using React and React Native, with a focus on Go, GraphQL, and AWS.

- Consistent product development from requirements definition to operation and maintenance
- API development including GraphQL schema design (Go standard library used, without using FW such as Gin)
- UI development using React and React Native
- Infrastructure construction and operation using AWS
- Test design and implementation for each function (unit testing, API testing, etc.)
- Ability to take on the challenge of launching new products (from scratch)
応募資格Requirement [Required skills/experience]
- Business level or higher Japanese language skills (N2 * N1 preferred)
- More than three years of work experience as a working engineer
- Experience in designing and building web applications and backends using any programming language
- Understanding of RDB and experience in SQL operations
- Business level or higher Japanese language skills (N2 * N1 preferred)
- Ability to identify and solve problems

[Welcome skills/experience]
- Leadership and communication skills to understand each stakeholder and get others involved
- Knowledge of or experience using AWS services (Amazon Aurora, Elastic Cache, ECS/ECR, ALB, AWS Batch, API Gateway/Lambda)
- Experience implementing GraphQL and gRPC using Go
- Basic knowledge of software engineering (DDD, Layered Architecture, Clean Architecture, etc.)
- Field experience in medical care or interested in social issues in medical care
- Development experience in at least two of the following languages: Go, React, ReactNative
日本語力Japanese level Business
雇用形態Employment type Full-time
勤務エリアLocation Full remote work
勤務時間Working hours Full flex
想定年収Salary 4.8 to 10.2 million yen
条件・待遇Condition Holidays: 2 days off per week (full flextime system adopted)・Saturdays, Sundays, and holidays・New Year's holidays・Obon holidays
Other holidays designated by the company
Passive smoking prevention measures: No smoking indoors
Employee benefits:Employment insurance ◇ Employee pension insurance ◇ Workmen's accident insurance ◇ Health insurance ◇ Transportation expenses provided
選考についてProcess Multiple interviews
*All conducted online
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