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Cybereason

Full Stack Backend Team Lead (Rust)

Location
Tokyo
Remote
On-site / hybrid
Visa
Not specified
Language
Japanese: Not Required / English: Fluent
Posted
Dec 17, 2025
Backend
Engineering
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Overview

Cybereason is on a mission to reverse the adversary's advantage by empowering defenders with ingenuity and technology to end cyber-attacks.

We have the technology, and now we are looking to expand our talent! Join a market leader and a diverse team of passionate professionals who win as one, put customers first, and never give up on reversing the adversary’s advantage.

Required Skills

  • Bachelor’s degree in Computer Science or a related field
  • At least 4 years of experience as a Team Leader.
  • 5+ years of professional software development experience, including hands-on experience with Rust
  • Strong fundamentals in computer science, cybersecurity, and networking
  • Proficiency in Rust; familiarity with Go, Java, and C++ is an advantage
  • Experience with cloud platforms, containerization, and microservices architectures
  • Strong understanding of SQL and NoSQL databases
  • Experience with real-time data processing, analytics frameworks, and modern front-end technologies
  • Expertise in data pipeline technologies, the ELK stack, and Apache Kafka
  • Familiarity with observability tools such as Datadog and Vector
  • Proven experience building high-throughput, low-latency systems serving millions of users

Preferred Skills

  • Experience with SIEM platforms and machine learning applications in cybersecurity
  • Familiarity with big data technologies, time-series databases, and data warehousing solutions
  • Knowledge of GraphQL, infrastructure-as-code tools, and service mesh technologies
  • Contributions to open-source projects or relevant technical publications
  • Technical Skills & Knowledge
  • Data pipelines and ETL processes
  • Distributed systems (Kafka, Flink/Spark, Redis)
  • ELK stack for log ingestion, search, and analytics
  • Cloud-native and serverless architectures
  • API design, versioning, and governance
  • Performance tuning and scalability for large-scale systems
  • Security best practices (OAuth 2.0, encryption, data protection)
  • DevOps, CI/CD, and SRE practices

About Cybereason

We are seeking an experienced Hands-On Rust Engineering Team Lead to lead a team of talented engineers while remaining deeply involved in architecture, design, and development. This role combines technical leadership, people management, and hands-on engineering in a fast-paced cybersecurity environment.

Key Duties & Responsibilities

Technical Leadership (Hands-On)

Design, develop, and maintain scalable backend services and selected front-end components for our platform

Lead the implementation of high-throughput data ingestion and processing pipelines for large-scale security data

Integrate AI-driven analytics capabilities and optimize system performance, reliability, and scalability

Architect and develop APIs and integrations with a wide range of IT and security tools

Ensure robust security design, secure coding practices, and compliance with industry standards

Troubleshoot and resolve complex, cross-stack production issues

Team Leadership & Management

Lead, mentor, and manage a team of software engineers, including onboarding, coaching, and career development

Drive technical excellence through code reviews, design reviews, and engineering best practices

Own technical decision-making, architecture discussions, and trade-off analysis

Collaborate closely with product, research, DevOps, and security teams to deliver end-to-end solutions

Plan and execute sprint goals, manage technical debt, and ensure predictable delivery

Skills & Qualifications Required

Quick Facts

CompanyCybereason
LocationTokyo
RemoteOn-site / hybrid
VisaNot specified
LanguageJapanese: Not Required / English: Fluent
Interested in this role?

Submit your application for this role at Cybereason.

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