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Security Engineer

Tokyo - Hybrid

Are you looking

  • To make meaningful changes at the fastest-growing tech company in Japan?
  • For a fair, highly flexible, inclusive working environment where anyone, regardless of their 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? 

We Are Zeals - “Designing conversations. Driving conversions.”

Zeals is not another chatbot. Our automated chat solution and conversational technology change how consumers purchase or act online. Zeals converts customers who appear "unengaged" to become "valuable" through designed chat on Messaging Apps. Using AI-powered, human-designed conversation flows across chat platforms, Zeals enables brands to build personalized, automated conversations with their consumers and develop a deeper understanding of their preferences while creating a delightful, seamless shopping experience. Our last 3 years have been phenomenal. We have captured the heart of many businesses in Japan, with over 480 enterprises relying on our chat commerce offering to boost their mobile business.

The goal is simple: to “revolutionize hospitality on the Internet” by unlocking digital customer service experiences that were limited to physical stores previously. 

Just Getting Started…

With more than 480 enterprise companies worldwide already utilizing our product, we are perfectly poised to seize market share and fuel exponential growth in the US market, with an eye on global expansion. Investors have taken note of our potential, leading us to recently secure nearly $40 million in funding, backed by Salesforce Ventures.

 

Your Typical Day With Us

  • Conduct vulnerability assessments and penetration tests on systems, networks, and applications.
  • Investigate, analyze, and respond to security incidents and threats in a timely manner.
  • Keep abreast of the latest security trends, threat intelligence, and best practices.
  • Provide guidance and support to other teams and stakeholders on security-related matters.
  • Regularly review and update security measures, tools, and processes to stay ahead of evolving threats.
  • Lead or support security-related projects, such as implementing new security tools or technologies.
  • Analyze security metrics and trends to identify areas for improvement and adjust strategies accordingly.
  •   Review product designs and system architectures to identify security risks early and define appropriate security requirements using threat modeling techniques.
  • Perform source code reviews to detect security flaws and potential vulnerabilities before deployment.
  • Design and implement security controls and technical solutions to reduce identified risks across applications and infrastructure.
  • Integrate automated security checks and testing into CI/CD pipelines to ensure consistent and scalable security practices.
  • Monitor systems, logs, and alerts to identify, investigate, and respond to suspected security incidents in accordance with incident response procedures.
  • Maintain and evolve security standards for web and mobile technologies to keep pace with emerging threats.
  • Educate and support engineering teams through guidance, workshops, and secure coding best practices.
  • Collaborate with information security personnel, auditors, and other stakeholders on technical security matters and risk assessments.

 

What You’ll Need

  • At least 3-5 years of experience in information security, network security, or 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, including firewalls, IDS/IPS, and VPNs.
  • Experience with vulnerability assessments, penetration testing, and security auditing tools.
  • Familiarity with security frameworks and regulations (e.g., NIST, ISO 27001, GDPR)

 

What Makes You Stand Out

  • 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 and methodologies.
  • Proficiency in one or more programming or scripting languages (e.g., Python, JavaScript, Golang) for automation and custom tool development.
  • Experience leading, executing or coordinating security-related projects.
  • Relevant professional certifications such as CISSP, CEH, CompTIA Security+, or GIAC.

 

Don’t just take our word for it

Zeals has received the LinkedIn Top Startups award twice in a row. We believe this is a testament to our growth and our ability to attract great talents–who could potentially be your colleague!

 

Our Tech Stack

  • Backend Languages: Go, Python, Elixir
  • Frontend Languages: HTML, CSS, JavaScript (TypeScript, React.js, Recoil, Zod, Tanstack, etc)
  • Mobile Languages: None
  • Infrastructure: Google Cloud Platform, GCP Pub/Sub, Kubernetes, MongoDB, MySQL, Postgres, BigQuery, Elasticsearch, Qdrant
  • Configuration management tool: 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

 

Ready to roll up our sleeves

We're obsessed with bringing hospitality to everyone – whether it's our customers or you! You’re an individual with unique needs, and while we may not have ping-pong tables or all-you-can-drink espresso bars to offer, we promise you a once-in-a-lifetime experience and co-workers you’ll be proud to brag about to your friends, family, or anyone you meet the next time you go out! As an employer, we're ready to roll up our sleeves and change the status quo if it means making your experience better.

  • Salary Range : competitive
  • Performance review: twice a year
  • Holidays: 10 days of annual leave in the first year, weekends off, national holidays, summer and winter breaks, and 5 refreshment leave days per year.
  • Visa support: We sponsor visas for the right candidates.
  • Flexible working: Highly flexible, remote-first organization (in Japan), Interim work from overseas
  • Housing allowance (within 1.5KM away from office)
  • Club activity allowance
  • Team building allowance and Lunch allowance
  • Zeals Bar (bi-monthly free-flow beer party)

 

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For applicants via our CEO Masa Shimizu’s X account:

Please note that if we receive a high number of applications, we may limit the number of candidates selected for an interview with Masa Shimizu as part of the screening process. We appreciate your understanding and thank you for your interest.

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This role requires at least 3+ years of experience in analytics, data engineering, or related fields with strong SQL proficiency. We appreciate your understanding that candidates with less experience may not meet the qualifications for this position.

We kindly ask for your current and expected compensation to ensure alignment as we move forward in the process.

(※This information will not be shared with hiring managers and will not affect screening.)

We kindly ask for your current and expected compensation to ensure alignment as we move forward in the process.

(※This information will not be shared with hiring managers and will not affect screening.)