株

株式会社ベネフィット・ワン Tech Stack

HR platform and employee benefits distribution network for mid-market Japan

Business Content 新宿区, 東京都 1,001–5,000 employees Founded 1996 Public Company

Benefit One operates a multi-service HR and employee benefits platform serving 1,000+ person organizations in Japan. The tech stack is cloud-native (AWS, Azure, GCP) with Java/Spring + Vue/React Native frontend, but the hiring profile reveals significant infrastructure work: security dominates openings (7 of 27 roles), followed by engineering (14), signaling active hardening against cyber threats while migrating legacy systems to cloud. Active projects span web service migration, security operation framework implementation, and recommendation feature development—indicating a shift from a monolithic on-premise offering toward modular, cloud-delivered components.

Tech Stack 66 technologies

Core StackAWS Nginx GitHub Java Kotlin Vue Node.js Python React Native Swift Azure GCP Amazon Linux 2 Red Hat Enterprise Linux AWS ECS Fargate Aurora Amazon RDS Apache JBoss EAP AWS CodeCommit AWS CodeBuild AWS CodeDeploy AWS CodePipeline Spring Framework Spring Boot Thymeleaf Objective-C Eclipse Visual Studio Code IntelliJ IDEA+36 more

What 株式会社ベネフィット・ワン Is Building

◆Challenges

Migrating web services
Protecting information assets from cyber attacks
Unifying data platform across services
Cloud security enhancement
Incident response improvement
Reducing security risk
Rebuilding legacy systems
Internalizing system development
Scaling engineering organization
Standardizing incident response

▲Active Projects

Benewon platform development
Recommendation feature development
Web service migration
Security solution selection and deployment
Security operation framework implementation
Ismap registration promotion
Poc for technology selection
Incident response improvement
Incident response standardization
既存システム再構築

Hiring Activity

Accelerating25 roles · 15 in 30d

Department

Engineering

Security

Data

Ops

Seniority

Senior

Mid

Company intelligence

Find more companies like 株式会社ベネフィット・ワン by tech stack, pain points and active projects

Get started free

About 株式会社ベネフィット・ワン

Benefit One is a public company founded in 1996 that operates a bundled HR and employee benefits platform anchored in the Japanese market. The core offering is Benefit Station, a discount and benefits aggregation service where employees access leisure, childcare, wellness, and self-development services. The company has expanded into adjacent HR categories—health management, talent management, employee training, stress screening, and compliance tooling—accessible through a unified Benefit One Platform (BPF) that centralizes employee and HR data. The model addresses both employer and employee: companies gain single sign-on, unified analytics, and cost-effective HR tooling; employees enjoy curated service discounts and health tracking integrated in one login. The company serves mid-market and enterprise clients primarily in Japan.

Headquarters新宿区, 東京都

Company Size1,001–5,000 employees

Founded1996

Hiring MarketsJapan

Frequently Asked Questions

What tech stack does Benefit One use?

AWS, Azure, GCP for cloud infrastructure; Java, Kotlin, Spring Boot for backend; Vue, React Native for frontend; PostgreSQL/Aurora for databases; GitHub and AWS CodeCommit for version control and CI/CD pipelines.

Is Benefit One hiring engineers?

Yes. 27 active roles span engineering (14), security (7), data (2), and ops (1). Most are senior-level positions (19 of 27). Hiring is concentrated in Japan, with velocity accelerating.

What is Benefit One currently working on?

Projects include web service migration, security operation framework implementation, recommendation feature development, legacy system rebuilding, and ISMAP (Japanese cloud security) registration. Security and cloud infrastructure are primary focus areas.