Sr. Software Engineer

We are a leading SaaS company in the cyber security industry, specializing in a range of innovative solutions to combat cyber threats, including ad fraud countermeasures within the ad-tech space. As a Senior Engineer in our Tokyo office, you will play a pivotal role in designing, developing, and implementing cutting-edge security solutions that span multiple areas of cyber security. You will lead key engineering projects, collaborate with cross-functional teams, and mentor junior engineers to build secure and scalable systems that protect our clients from a wide range of cyber threats.

• 6+ years of experience in software engineering, including 3+ years leading a development team. 
• Strong expertise in Elixir, the Phoenix Framework, and modern DevOps practices on cloud platforms like AWS or GCP. 
• Experience with modern JS frameworks such as Vue.js for front-end development. 
• Solid understanding of secure coding practices, system scalability, and performance optimization. 
• Excellent problem-solving and leadership skills, with the ability to drive technical discussions and architectural decisions. 
• Strong communication skills, with the ability to collaborate effectively with both technical and non-technical stakeholders.

• Experience in the ad-tech industry or working with ad fraud prevention technologies. 
• Familiarity with big data technologies, such as GCP BigQuery or ClickHouse. 
• Proficiency in Japanese communication, both written and spoken, is preferred