Security Engineer - Tokyo (Hybrid)

Overview

Are you looking:

• To make meaningful changes at a fast-growing tech company?
• For a fair, highly flexible, inclusive working environment where anyone, regardless of background, can make an impact?
• To build the next bold idea in customer acquisition and revenue growth through conversational commerce technology?
• For a place where things are not just fast - but they happen now?

If so, this role might be for you!

Our automated chat solution and conversational technology change how consumers purchase or act online—converting "unengaged" customers into "valuable" ones through AI-powered, human-designed chat experiences. Our product enables brands to build personalized, automated conversations with their consumers and develop a deeper understanding of their preferences, all while creating a seamless shopping experience. With more than 480 enterprise clients worldwide and significant recent investment, we're expanding globally.

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Responsibilities

A typical day in this role may include:

• Conducting vulnerability assessments and penetration tests on systems, networks, and applications.
• Investigating, analyzing, and responding to security incidents and threats in a timely manner.
• Keeping abreast of the latest security trends, threat intelligence, and best practices.
• Providing guidance and support to other teams and stakeholders on security-related matters.
• Reviewing and updating security measures, tools, and processes regularly.
• Leading or supporting security-related projects, such as the implementation of new security tools or technologies.
• Analyzing security metrics and trends to identify areas for improvement.
• Reviewing product designs and system architectures to identify security risks early and defining appropriate security requirements using threat modeling techniques.
• Performing source code reviews to detect security flaws and potential vulnerabilities before deployment.
• Designing and implementing security controls and technical solutions to mitigate risk across applications and infrastructure.
• Integrating automated security checks and testing into CI/CD pipelines.
• Monitoring systems, logs, and alerts to identify and respond to suspected security incidents.
• Maintaining and evolving security standards for web and mobile technologies.
• Educating and supporting engineering teams through guidance, workshops, and secure coding best practices.
• Collaborating with information security personnel and other stakeholders on technical security matters and risk assessments.

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Requirements

• 3-5 years of experience in information security, network security, or a similar role.
• Hands-on experience with threat and vulnerability management.
• Strong knowledge of security concepts, principles, and best practices.
• Proficiency in network and system security (firewalls, IDS/IPS, VPNs).
• Experience with vulnerability assessments, penetration testing, and security auditing tools.
• Familiarity with security frameworks and regulations, e.g., NIST, ISO 27001, GDPR.

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Nice-to-Have

• Knowledge of cloud security concepts and experience working with cloud platforms (e.g., AWS, GCP).
• Familiarity with secure coding practices and experience with application security testing tools.
• Proficiency in one or more programming or scripting languages (e.g., Python, JavaScript, Golang).
• Experience leading or coordinating security-related projects.
• Relevant professional certifications (CISSP, CEH, CompTIA Security+, GIAC, etc.).

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Tech Stack

• Backend: Go, Python, Elixir
• Frontend: HTML, CSS, JavaScript (TypeScript, React.js, Recoil, Zod, Tanstack, etc.)
• Infrastructure: Google Cloud Platform, GCP Pub/Sub, Kubernetes, MongoDB, MySQL, Postgres, BigQuery, Elasticsearch, Qdrant
• Configuration Management: Terraform
• CI/CD: Github Actions, ArgoCD, CircleCI
• Monitoring: Grafana, GCP Cloud Monitoring, GCP Logging, GCP Cloud Trace, Opsgenie
• Data: BigQuery, Parquet, Spark, Scala, Python, dbt
• Knowledge Tools: Confluence
• Other: GitHub, Slack, Jira
• Process: Scrum

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Benefits

• Competitive salary
• Performance reviews twice a year
• Holidays: 10 annual leave days in the first year; weekends, national holidays, summer & winter breaks, and 5 refreshment leave days per year
• Visa sponsorship for qualified candidates
• Highly flexible, remote-first organization (in Japan); interim work from overseas
• Housing allowance (within 1.5KM of the office)
• Club activity allowance
• Team building and lunch allowances
• Bi-monthly social events

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We're committed to a highly flexible, inclusive working environment. You'll gain a unique professional experience and join a team that's proud to support one another.

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Note: If applying via specific referral routes, interviews may be limited due to high application volumes.

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