Middle JavaScript Developer (Cybersecurity Platform)

We are seeking a JavaScript Developer for our product focused on mitigating malicious ads in digital advertising.  

Our core tool is a script designed to detect and block harmful or unauthorized ads. This script is deployed on publisher websites to identify malicious ads and is also integrated into certain ads served by SSPs to publishers.  

Sounds interesting? Join us!

CUSTOMER

Our client is a Brooklyn-based company founded in 2012. Starting from humble beginnings, the company developed the Defense Platform, the cornerstone of all our products, which protects enterprises from advanced bot attacks, fraud, and account misuse. Today, we authenticate more than 20 trillion interactions every week for large companies and leading online platforms, verifying their authenticity.  

• Support the Script: Address and fix issues as they arise on publisher sites 
• Develop Functional Tests: Write functional tests using Selenium 
• Improve Script: Enhance and refine the script to improve performance and effectiveness 
• Investigative Tasks: Perform various investigative tasks to address and resolve issues 

• 3+ years working with pure JavaScript/TypeScript 
• Good knowledge of OOP 
• Knowledge of what the iFrame element is 
• Knowledge of different browser APIs 
• Knowledge of CS fundamentals, algorithms, and data structures 
• Basic understanding of HTTP and WebSocket protocols 
• Experience building CI/CD pipelines on GitHub and/or GitLab and/or Bitbucket 
• Upper-Intermediate or higher level of English  

WOULD BE A PLUS

• Experience with obfuscation and deobfuscation 
• 1+ years of experience with any web driver-based technology (selenium, puppeteer, etc.) 
• Good understanding of code transformation tools and/or bundlers 
• Bulletproof coding skills in terms of "can"/"cannot", not "should"/"should not" 

PERSONAL PROFILE 

• Readiness to take ownership of problem-solving  
• Independence and self-reliance 
• Good communication skills to collaborate with distributed teams