Job Title: Sr. Javascript Engineer
Location: Bay Area/Atlanta – Hybrid
About Us:
At WitnessAI, we’re at the intersection of innovation and security in AI. We’re looking for a talented Javascript Engineer to help build and maintain our core traffic engineering platform. If you’re passionate about development and enjoy working on high-performance, scalable systems, we’d love to have you on our team.
Responsibilities
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Design and implement robust JavaScript solutions for interacting with 3rd party web application data.
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Develop browser extensions or scripts for real-time data analysis.
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Create maintainable and scalable code that can adapt to website changes.
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Debug complex DOM interactions and event propagation.
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Implement data transformation and modification capabilities.
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Write comprehensive documentation and maintain code quality.
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Develop tests for existing code to catch bugs and ensure the software is secure and stable.
Requirements
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Either a bachelor’s degree in a technical field involving coding (e.g., computer science, engineering, information technology) or equivalent technical experience
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5-8 years of advanced JavaScript programming.
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Deep understanding of DOM internals including traversal and manipulation.
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Expert knowledge of event handling and propagation.
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Experience with modern web frameworks (React/Angular/Vue/Preact etc).
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2+ years of browser extension or web scraping/data extraction experience with strong understanding of browser internals.
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Proven track record of complex web application development.
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Experience leveraging LLMs for automation is a major plus.
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Familiarity with common programming best practices, data patterns, and software design structures.
Benefits:
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Hybrid work environment
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Competitive salary.
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Health, dental, and vision insurance.
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401(k) plan.
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Opportunities for professional development and growth.
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Generous vacation policy.
Salary range:
$135,000-$188,000 (Bay Area)