Fullstack Engineer
Fullstack Engineer
雇用形態:
スキルハウス契約
職種:
IT開発
言語:
Japanese Level - None,English Level - Advanced (TOEIC 860)
勤務地:
Sumida-Ku
給与:
¥750,000.00 - ¥850,000.00 月給
求人ID:
491018
A Global and one of the world’s largest Insurance Service provider is looking for a Fullstack Engineer with in the IT Architecture team.
Responsibilities:
- Build and maintain full-stack applications using React, .NET, Node.js, Spring Boot, and Express.js
- Architect and implement microservices with clean separation of concerns and scalability
- Design and optimize complex database schemas, including Redis caching, SQL/NoSQL, and data modeling
- Develop real-time features using WebSockets, SignalR, or Kafka
- Implement secure authentication and authorization using OAuth2, JWT, and Azure Active Directory (AAD)
- Apply network security best practices including HTTPS, CORS, CSRF, rate limiting, firewall rules, and private endpoints
- Manage CI/CD pipelines using Azure DevOps, GitHub Actions, or Jenkins
- Build and deploy Docker containers and manage infrastructure using Azure Kubernetes Service (AKS) or Azure App Services
- Work with Azure Blob Storage, Azure SQL, Cosmos DB, and other Azure-native data services
- Collaborate on UI/UX design, ensuring consistency, accessibility, and responsiveness across platforms
- Maintain frontend codebases with strong repo management, component reuse, and design system integration
- Integrate third-party APIs and services with secure and efficient patterns
- Collaborate with cross-functional teams on system design, performance tuning, and feature planning
Required Skills:
- 5+ years of professional experience in full stack development
- Strong backend development in .NET, Node.js, Spring Boot, and Express.js
- Proficiency in React.js and modern frontend tooling
- Experience with UI/UX design principles, responsive layouts, and component libraries (e.g., Material UI, Ant Design)
- Experience with microservice architecture, RESTful APIs, and event-driven systems
- Solid understanding of data structures, algorithms, and system design
- Experience with Redis, SQL, and NoSQL databases
- Familiarity with the core concepts of AI development to integrate with AI workflows using Python libraries like FastAPI, LangChain, and LangGraph
- Real-time communication using WebSockets, gRPC, or Kafka
- CI/CD experience with GitHub Actions, Azure DevOps, or Jenkins
- Hands-on experience with Azure cloud services including Azure Active Directory (AAD), Azure Blob Storage, Azure SQL Database, Cosmos DB, Azure App Services, and Azure Kubernetes Service (AKS)
- Strong repo management practices using Git (monorepo/multirepo strategies)
- Understanding of networking fundamentals (DNS, load balancing, firewalls, VPNs)
Why should you apply:
- Long term work opportunity, plus WFH available
- Great team dynamics and learning opportunity
- Opportunities to learn/brush-up English/Japanese language
Company Details:
A US based world’s leading insurance providers, offering a broad range of life, health, and retirement solutions to individuals, families, and businesses. The company is heavily invested in digital transformation, utilizing advanced technologies like cloud computing, data analytics, AI, and cybersecurity to enhance customer experience and streamline operations. As part of its values, it has a strong focus on creating a diverse environment, and in particular on the appointment of women in high-level position.
Working Hours: 9:00 - 18:00 (Mon-Fri)
Working Style: 3 days’ work in office, and 2 days’ work from home
Holidays: Saturday, Sunday, National Holidays, Year-end and New Year Holidays, Paid Holidays
Services/Benefits: Transportation expenses up to 20,000 yen per month, plus Paid leave, plus social insurance (health insurance, welfare pension, and work-related accident insurance), Periodic health examination, and Employment insurance
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