どんな仕事か: We have many different systems and projects going at any given time so that you will always have something new and interesting to work on!

Some examples include:

- A Rails-based administration portal and API server which are the glue that hold our systems together
- TypeScript based customer portal and new, unified service administration gateway
- Go-based streaming server utilising TCP socket communication, Gossip-based routing, and fully multithreaded call and event management pipeline
- Many support applications in different languages (including JavaScript (Node.js), Python, C++)
- New product development and R&D
- All of the infrastructure everything runs on! This includes writing CircleCI deployment scripts, Terraform integrations, infrastructure design, resource management and monitoring, and security.
- Operations, incident response and retrospective, and customer advocacy
- Data warehousing and analytics
求められるスキルは: 必須 Extensive experience in development of server applications
- Advanced knowledge of at least one modern programming language such as Rust, Go, Ruby, Python, Kotlin, Dart, Java, TypeScript, or JavaScript
- Ability to work with other departments within the company towards common goals
- experience with REST API design and development targeting mobile devices
- experience with application deployment and operation on cloud platforms
- experience with Relational Databases and Key-Value Stores
- knowledge in software design patterns and implementation
- Basic knowledge in computer networking
- Ability to interact well with Japanese-only speaking colleagues

歓迎 - Experience with MVC web backend frameworks
- Experience in frontend development with understanding of the importance of UX
- Experience with building platform API for B2B customers
- Experience with SQL performance tuning
- Experience with Infra-as-Code on any cloud platform
- Knowledge of security best practices, audit logging, and system monitoring tools like Datadog and Bugsnag
- Experience with Docker, Kubernetes or similar container technologies
- Experience with TCP Socket or WebSocket programming
- Experience with media streaming protocols such as VoIP or WebRTC
- Experience with system programming on Unix-like OS
- Experience with concurrent programming (especially CSP model)
雇用形態は: 正社員
どこで働くか: 東京都
勤務時間は: ■フレックスタイム制（コアタイム13:00-16:00）　■リモートワーク可
給与はどのくらい貰えるか: 700万円～1249万円
待遇・福利厚生は: 【保険】　■各種社会保険完備【手当】　■通勤交通費　■育児手当
休日休暇は: 完全週休2日制（土・日）祝日年末年始休暇年次有給休暇

Web Frontend / Backend Engineer(English)<br>

サーバ・ネットワークエンジニア