Fullstack Platform Engineer

Cybereason
Full_timeTokyo, Japan

📍 Job Overview

  • Job Title: Fullstack Platform Engineer
  • Company: Cybereason
  • Location: Tokyo, Tōkyō, Japan
  • Job Type: On-site
  • Category: Full-Stack Developer
  • Date Posted: June 18, 2025
  • Experience Level: Mid-Senior level (5-10 years)
  • Remote Status: On-site (Remote OK)

🚀 Role Summary

  • Design and develop scalable backend services and intuitive front-end interfaces for Cybereason's AI-driven cybersecurity platform.
  • Implement data ingestion and processing pipelines for large volumes of security data, integrating AI-driven analytics capabilities.
  • Collaborate with cross-functional teams to build, maintain, and optimize core components of the platform, ensuring high performance and security.
  • Troubleshoot complex issues across the full stack of the application and contribute to improving the platform's architecture.

📝 Enhancement Note: This role requires a strong full-stack engineer with a focus on backend development and data processing, as well as experience working with AI-driven analytics and cybersecurity systems.

💻 Primary Responsibilities

  • Backend Development: Design and develop scalable backend services using Rust, Go, Python, Java, and TypeScript, ensuring high performance and security.
  • Data Processing: Implement data ingestion and processing pipelines using technologies like Apache Kafka, Flink/Spark, and Redis to handle large volumes of security data.
  • Front-end Development: Create intuitive and responsive user interfaces using modern front-end technologies, ensuring a seamless user experience.
  • API Design: Develop APIs and integrations with various IT and security tools to enable smooth data exchange and platform functionality.
  • Security Implementation: Implement robust security measures, such as encryption, data protection, and compliance with industry standards, to safeguard the platform and its data.
  • Troubleshooting: Diagnose and resolve complex issues across the full stack of the application, collaborating with the team to improve system reliability and performance.
  • Collaboration: Work closely with cross-functional teams, including product managers, designers, and other engineers, to ensure the platform meets business requirements and user needs.

📝 Enhancement Note: The primary responsibilities of this role focus on backend development, data processing, and ensuring the platform's security, performance, and scalability.

🎓 Skills & Qualifications

Education: A Bachelor's degree in Computer Science or a related field is required. Relevant coursework or equivalent experience may be considered.

Experience: A minimum of 5 years of full-stack development experience is required, with a strong focus on backend development and data processing. Experience working with AI-driven analytics and cybersecurity systems is a plus.

Required Skills:

  • Proficiency in Rust, with familiarity in Go, Python, Java, and TypeScript.
  • Strong fundamentals in computer science, cybersecurity, and networking.
  • Experience with cloud platforms, containerization, and microservices architecture.
  • Strong understanding of SQL and NoSQL databases.
  • Experience with real-time data processing, analytics frameworks, and front-end technologies.
  • Expertise in data pipeline technologies, ELK stack, and Apache Kafka.
  • Familiarity with observability tools like Datadog Vector.

Preferred Skills:

  • Experience with SIEM systems and machine learning in cybersecurity contexts.
  • 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 research publications.

📝 Enhancement Note: The required and preferred skills for this role emphasize a strong background in full-stack development, data processing, and cybersecurity, with a focus on backend development and working with AI-driven analytics systems.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

  • A well-structured portfolio showcasing your full-stack development projects, with a strong emphasis on backend development and data processing.
  • Live demos or videos demonstrating your projects' functionality and user interfaces.
  • Code samples and explanations of your problem-solving approach, architecture decisions, and performance optimizations.
  • Documentation of your projects, including data pipeline designs, API specifications, and security measures.

Technical Documentation:

  • Detailed comments and documentation in your code, explaining your thought process, algorithms, and data structures.
  • Version control using Git, with a clean and organized commit history.
  • Deployment processes and server configuration documentation, including any infrastructure-as-code tools used.
  • Testing methodologies, performance metrics, and optimization techniques used in your projects.

📝 Enhancement Note: The portfolio requirements for this role emphasize a strong focus on backend development, data processing, and cybersecurity, with an emphasis on AI-driven analytics systems and high-performance, scalable architectures.

💵 Compensation & Benefits

Salary Range: ¥7,000,000 - ¥10,000,000 per year (Based on market research and industry standards for mid-senior level full-stack engineers in Tokyo)

Benefits:

  • Competitive salary and benefits package.
  • Continuous learning opportunities, including training, workshops, and conference attendance.
  • Remote work options, with a flexible work arrangement.
  • A collaborative and innovative work environment, with a focus on cutting-edge cybersecurity technology.

Working Hours: Full-time (40 hours/week), with flexible hours and maintenance windows as needed.

📝 Enhancement Note: The salary range and benefits for this role are based on market research and industry standards for mid-senior level full-stack engineers in Tokyo, with a focus on experience and skills in backend development, data processing, and cybersecurity.

🎯 Team & Company Context

🏢 Company Culture

Industry: Cybersecurity

Company Size: Medium-sized (250-1,000 employees)

Founded: 2012

Team Structure:

  • A collaborative, cross-functional team consisting of backend engineers, data engineers, front-end engineers, product managers, and designers.
  • A flat hierarchy that encourages open communication and decision-making.
  • A focus on Agile methodologies, with regular sprint planning and code reviews.

Development Methodology:

  • Agile/Scrum methodologies, with regular sprint planning and code reviews.
  • A focus on continuous integration and continuous deployment (CI/CD) pipelines.
  • Collaboration and knowledge sharing across teams, with a strong emphasis on mentoring and learning.

Company Website: Cybereason

📝 Enhancement Note: Cybereason is a medium-sized cybersecurity company that values collaboration, innovation, and continuous learning. The company's focus on cutting-edge technology and AI-driven analytics makes it an attractive opportunity for full-stack engineers with a strong background in backend development and data processing.

📈 Career & Growth Analysis

Web Technology Career Level: Mid-Senior level full-stack engineer, focusing on backend development and data processing, with experience working with AI-driven analytics and cybersecurity systems.

Reporting Structure: This role reports directly to the Engineering Manager, with regular check-ins and performance reviews.

Technical Impact: As a full-stack engineer, you will have a significant impact on the platform's architecture, performance, and security. Your work will directly contribute to protecting enterprises from advanced cyber threats and improving their overall cybersecurity posture.

Growth Opportunities:

  • Technical Growth: Expand your expertise in backend development, data processing, and cybersecurity, with opportunities to specialize in specific areas or take on more complex projects.
  • Leadership Growth: Develop your leadership skills by mentoring junior engineers, contributing to architecture decisions, and driving technical initiatives within the team.
  • Career Progression: As the company grows, there may be opportunities to take on more senior roles, such as Technical Lead, Engineering Manager, or Principal Engineer.

📝 Enhancement Note: This role offers significant opportunities for technical and career growth, with a focus on backend development, data processing, and cybersecurity. The company's emphasis on collaboration and continuous learning makes it an ideal environment for mid-senior level full-stack engineers looking to advance their careers.

🌐 Work Environment

Office Type: Modern, collaborative workspace with a focus on open communication and teamwork.

Office Location(s): Tokyo, Japan (Remote OK)

Workspace Context:

  • A well-equipped workspace with multiple monitors, testing devices, and development tools.
  • A collaborative environment that encourages knowledge sharing, technical mentoring, and continuous learning.
  • Cross-functional collaboration with designers, product managers, and other teams to ensure the platform meets business requirements and user needs.

Work Schedule: Full-time (40 hours/week), with flexible hours and maintenance windows as needed.

📝 Enhancement Note: Cybereason offers a modern, collaborative work environment that values open communication, teamwork, and continuous learning. The company's focus on cutting-edge technology and AI-driven analytics makes it an attractive opportunity for full-stack engineers with a strong background in backend development and data processing.

📄 Application & Technical Interview Process

Interview Process:

  1. Resume Screening: A thorough review of your resume, focusing on your full-stack development experience, backend development projects, and data processing expertise.
  2. Phone/Video Screen: A brief conversation to discuss your background, motivations, and expectations for the role. This may also include a technical deep dive into your portfolio or past projects.
  3. On-site Interview: A full-day on-site interview consisting of the following:
    • Technical Challenge: A hands-on coding challenge or system design exercise, focusing on backend development, data processing, and cybersecurity.
    • Behavioral Questions: Questions designed to assess your problem-solving skills, communication, and collaboration abilities.
    • Team Fit: A discussion with team members to evaluate your cultural fit and alignment with the company's values.
  4. Final Decision: A final decision based on your performance throughout the interview process and your fit with the team and company culture.

Portfolio Review Tips:

  • Highlight your full-stack development projects, with a strong emphasis on backend development and data processing.
  • Include live demos or videos demonstrating your projects' functionality and user interfaces.
  • Showcase your problem-solving approach, architecture decisions, and performance optimizations.
  • Document your projects' data pipeline designs, API specifications, and security measures.

Technical Challenge Preparation:

  • Brush up on your Rust, Go, Python, Java, and TypeScript skills, with a focus on backend development and data processing.
  • Familiarize yourself with AI-driven analytics and cybersecurity systems, as well as relevant tools and technologies.
  • Practice system design exercises and coding challenges, focusing on high-performance, scalable architectures.

ATS Keywords:

Programming Languages:

  • Rust, Go, Python, Java, TypeScript, SQL, NoSQL

Web Frameworks:

  • (Not specified, as this role focuses on backend development and data processing)

Server Technologies:

  • Cloud platforms, containerization, microservices architecture, Apache Kafka, ELK stack, Datadog Vector

Databases:

  • SQL, NoSQL

Tools:

  • (Not specified, as this role focuses on backend development and data processing)

Methodologies:

  • Agile/Scrum, CI/CD pipelines, DevOps, SRE

Soft Skills:

  • Problem-solving, communication, collaboration, quick learner, self-motivated, team player

Industry Terms:

  • Cybersecurity, AI-driven analytics, data processing, full-stack development, backend development, data pipelines, ETL processes, distributed systems, real-time data processing, observability tools

📝 Enhancement Note: The ATS keywords for this role focus on backend development, data processing, and cybersecurity, with an emphasis on relevant programming languages, server technologies, methodologies, and industry terms.

🛠 Technology Stack & Web Infrastructure

Frontend Technologies:

  • (Not specified, as this role focuses on backend development and data processing)

Backend & Server Technologies:

  • Rust (Primary)
  • Go, Python, Java, TypeScript (Secondary)
  • Cloud platforms (AWS, GCP, Azure)
  • Containerization (Docker, Kubernetes)
  • Microservices architecture
  • Apache Kafka
  • ELK stack (Elasticsearch, Logstash, Kibana)
  • Datadog Vector

Development & DevOps Tools:

  • Version control: Git
  • CI/CD pipelines: Jenkins, GitHub Actions, CircleCI
  • Infrastructure-as-code: Terraform, CloudFormation
  • Monitoring: Prometheus, Grafana
  • Logging: ELK stack, Datadog Vector

📝 Enhancement Note: The technology stack for this role emphasizes backend development, data processing, and cybersecurity, with a focus on Rust, cloud platforms, containerization, and microservices architecture. The use of relevant tools and technologies ensures high performance, scalability, and security for the platform.

👥 Team Culture & Values

Web Development Values:

  • Innovation: Encourage continuous learning and experimentation with new technologies and approaches.
  • Collaboration: Foster open communication and teamwork across all teams and disciplines.
  • Quality: Prioritize code quality, performance optimization, and user experience in all development efforts.
  • Security: Implement robust security measures and ensure compliance with industry standards and best practices.
  • Customer Focus: Understand and address the needs of our customers, ensuring our platform meets their requirements and exceeds their expectations.

Collaboration Style:

  • Cross-functional Integration: Work closely with product managers, designers, and other teams to ensure the platform meets business requirements and user needs.
  • Code Review Culture: Encourage peer programming and regular code reviews to maintain high code quality and knowledge sharing.
  • Knowledge Sharing: Foster a culture of continuous learning and mentoring, with regular workshops, training sessions, and technical discussions.

📝 Enhancement Note: Cybereason's web development values emphasize innovation, collaboration, quality, security, and customer focus, with a strong emphasis on cross-functional integration, code review culture, and knowledge sharing.

⚡ Challenges & Growth Opportunities

Technical Challenges:

  • Design and develop scalable backend services and intuitive front-end interfaces for the platform, ensuring high performance and security.
  • Implement data ingestion and processing pipelines for large volumes of security data, integrating AI-driven analytics capabilities.
  • Optimize system performance and scalability, ensuring the platform can handle increased data volumes and user growth.
  • Troubleshoot complex issues across the full stack of the application, collaborating with the team to improve system reliability and performance.
  • Stay up-to-date with emerging technologies and trends in cybersecurity, continuously improving the platform's architecture and functionality.

Learning & Development Opportunities:

  • Technical Skill Development: Expand your expertise in backend development, data processing, and cybersecurity, with opportunities to specialize in specific areas or take on more complex projects.
  • Leadership Development: Develop your leadership skills by mentoring junior engineers, contributing to architecture decisions, and driving technical initiatives within the team.
  • Career Progression: As the company grows, there may be opportunities to take on more senior roles, such as Technical Lead, Engineering Manager, or Principal Engineer.
  • Conference Attendance: Attend industry conferences and events to stay current with emerging technologies and trends in cybersecurity, networking with other professionals and thought leaders.
  • Certification and Community Involvement: Pursue relevant certifications and contribute to open-source projects or research publications to enhance your credibility and visibility in the industry.

📝 Enhancement Note: The technical challenges and learning & development opportunities for this role emphasize backend development, data processing, and cybersecurity, with a focus on innovation, collaboration, and continuous learning.

💡 Interview Preparation

Technical Questions:

  • Backend Development: Describe your experience with Rust, Go, Python, Java, and TypeScript, focusing on backend development and data processing. Provide examples of your past projects and the challenges you've overcome.
  • Data Processing: Explain your experience with real-time data processing, analytics frameworks, and front-end technologies. Describe your approach to data pipeline design, optimization, and performance.
  • System Design: Walk through your process for designing and implementing scalable, high-performance systems for millions of users. Provide examples of your past projects and the architecture decisions you've made.
  • Cybersecurity: Discuss your understanding of cybersecurity principles, best practices, and industry standards. Describe your experience working with AI-driven analytics and security systems.

Company & Culture Questions:

  • Company Culture: Research Cybereason's company culture, values, and mission. Prepare questions to demonstrate your understanding and alignment with the company's goals and objectives.
  • Team Dynamics: Familiarize yourself with the team structure, development methodologies, and collaboration styles at Cybereason. Prepare questions to show your understanding of the team's dynamics and your fit within the organization.
  • User Experience: Discuss your approach to user experience design, focusing on intuitive interfaces, performance optimization, and accessibility standards. Prepare questions to demonstrate your understanding of Cybereason's user base and their unique needs.

Portfolio Presentation Strategy:

  • Live Demos: Prepare live demos or videos showcasing your full-stack development projects, with a strong emphasis on backend development and data processing.
  • Code Walkthroughs: Practice explaining your code, architecture decisions, and performance optimizations, using examples from your portfolio projects.
  • User Experience Demonstration: Prepare a user experience walkthrough, highlighting the intuitive interfaces, performance optimizations, and accessibility standards in your projects.

📝 Enhancement Note: The technical questions, company & culture questions, and portfolio presentation strategy for this role focus on backend development, data processing, and cybersecurity, with an emphasis on innovation, collaboration, and continuous learning.

📌 Application Steps

To apply for this full-stack platform engineer position at Cybereason:

  1. Customize Your Resume: Highlight your full-stack development experience, backend development projects, and data processing expertise, tailoring your resume to the specific requirements of this role.
  2. Prepare Your Portfolio: Showcase your full-stack development projects, with a strong emphasis on backend development and data processing. Include live demos or videos, code samples, and documentation to demonstrate your skills and accomplishments.
  3. Practice Coding Challenges: Brush up on your Rust, Go, Python, Java, and TypeScript skills, focusing on backend development and data processing. Practice system design exercises and coding challenges to prepare for the technical interview.
  4. Research the Company: Familiarize yourself with Cybereason's company culture, values, and mission. Prepare questions to demonstrate your understanding and alignment with the company's goals and objectives.
  5. Prepare for the Interview: Review the interview process, technical questions, and company & culture questions. Develop a strategy for presenting your portfolio and showcasing your skills and accomplishments during the on-site interview.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web development/server administration industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.


Application Requirements

Bachelor's degree in Computer Science or related field with 5+ years of fullstack development experience is required. Proficiency in Rust and familiarity with other programming languages and technologies is essential.