JavaScript Internals Developer

GeoEdge is a cybersecurity company, but our passion is people. Keeping digital advertising a trusted, safe space for people to enjoy is what we live for. We’re hard at work, protecting ad platforms, app developers, website owners, and their users from bad ads.

Our technology protects the integrity of the digital advertising ecosystem and eliminates bad ads in real-time before online users ever see them. As a bootstrapped start-up in the game for 10+ years, we know cyber challenges never rest- and neither do we!

We are searching for a senior JavaScript Client Developer to develop code that will identify and block malicious activity, working on browsers on our clients’ websites. The ideal candidate will have specific focus and experience with complex investigations in the ad-tech space. They will also have an inquisitive mindset, are not afraid of challenges, and will be looking to develop in the role for the long term.

Responsibilities:

• Investigating and blocking malicious activity in ‘real time’
• Writing and working on code for the client’s side
• Provide strategic real time solutions for client browsers
• Ensure project deliverables meet team/customer quality standards
• Be influential in strategic technological decisions, as well as methodologies and best-practices
• Work closely with our security team to stay at the forefront of technology, and on top of new malicious trends in the ad tech web domain
  
  

• 5 years of experience in ‘Vanilla’ JavaScript (MUST)
• Deep knowledge of JS (prototypes, descriptors, reflection, proxies, etc)
• Ability to reverse-engineer 3rd party closed source JS
• Deep knowledge of web & browser security (SOP, CORS, XSS, etc)
• Strong proficiency of browser DOM manipulation
• Deep knowledge of AdTech (openRTB & header bidding, ad server, DSP/SSP, etc)
• A team player with a strong desire to grow and take their skills to the next level
• Inquisitive mind and genuine interest to keep investigating malicious activities in the web, as well as prevention methodologies