Senior Full Stack Web Engineer

Tel Aviv


Come join the battle against bad bots and web threats !!!  PerimeterX Bot Defender prevents automated attacks against web properties, native mobile apps and APIs including account takeover attacks, account abuse, fraud and exploitation of mobile API vulnerabilities. PerimeterX is looking for a Senior Full Stack Web Developer, a versatile independent learner who is excited about new technologies. The position will involve dealing first and foremost with web technologies for our customer facing portal, responsible for reflecting their traffic characteristics, showing and controlling how malicious traffic is mitigated and providing raw data investigation capabilities.  As part of our unique full stack culture, besides working on the web portal, you will also participate in developing various core aspects of the product: new and existing array of defense mechanisms; large scale data-pipeline components; and a unique vanilla JS agent, executed in millions of sessions every day. If working in a hyper-growth startup and a dynamic team sounds interesting – come and join our team!

What we would like you to come with...

  • BSc. in Computer Science or equivalent
  • 6+ years of experience in building large scale applications with a wide variety of technologies\platforms.
  • 3+ years of experience with React ecosystem.
  • 3+ years of experience with NodeJS
  • HTML & CSS pre-processing platforms, such as LESS/ SASS / Styled components
  • Passionate about UI/UX, performance and stability
  • Experience with NoSQL databases (MongoDB, ElasticSearch)
  • Experience with other backend technologies such as Go\Python - advantage
  • Experience with CI integration - advantage
  • "Can do" attitude with strong interpersonal and communication skills
PerimeterX is the leading provider of application security solutions that keep your web business safe in the complex digital world. Delivered as a service, the company’s Bot Defender, Code Defender, and Page Defender solutions detect risks to your web applications and proactively manage them, freeing you to focus on growth and innovation. Bringing together an elite engineering team, security research to continually update its solutions with current intelligence, and best-in-class customer enablement and support, the world’s largest and most reputable websites and mobile applications count on PerimeterX to safeguard their consumers’ digital experience. PerimeterX has offices in San Mateo, California, Miami, Florida and Tel Aviv, Israel. You can also find us on the web at
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