Senior Web Browser Researcher

. Independently research novel device-identification, visitor-identification, Smart Signals, and bot-detection techniques across modern browsers .

Posted 10/15/2026full-timeRemote • United StatesSenior💰 $174,000 - $235,000 per yearWebsite

Tools & technologies

JavaScriptGo

Key responsibilities & impact

Independently research novel device-identification, visitor-identification, Smart Signals, and bot-detection techniques across modern browsers
Own findings end to end by assessing actionable signals, supporting assessments with data, and delivering recommendations with impact estimates, limitations, and trade-offs
Stay engaged through engineering implementation, review changes, answer questions, and advise on edge cases
Build and maintain research tooling including observers, fuzzers, and scrapers
Track browser changes through beta, canary, and dev channels and spec/RFC discussions
Translate browser changes into product impact and action
Produce and share structured research outputs, including internal write-ups, product and engineering articles, proofs of concept, and experimental signal implementations
Mentor colleagues, conduct peer review, and contribute to public thought leadership

What you’ll need

Deep understanding of web platform fundamentals, browser internals, and web security concepts
Strong proficiency in JavaScript
Ability to read, comprehend, and navigate code across multiple programming languages
Solid grasp of web networking fundamentals
Proven ability to uncover and explain undocumented behavior of web technologies, APIs, and protocols through testing, debugging, and reverse engineering
Track record of independently driving research from idea to a validated, actionable result
Experience designing and running experiments against real traffic and analyzing large-scale data
Recognized depth in at least one area, such as reverse engineering, network-related research, or identification
Working breadth across adjacent areas
Clear communication of findings, impact, and trade-offs to engineering and product partners
Authorized to work from the candidate's home location
Preferred: experience building research and automation tooling, submitting issues to Chromium, Firefox, or WebKit bug trackers, backend development with Go, anti-fingerprinting approaches, and public research contributions

Comp & perks

100% remote work
Personal growth opportunities
Mentorship, peer review, and public thought leadership opportunities
Inclusive work environment
Ability to work from almost any country, subject to country restrictions and work authorization
No visa sponsorship required/available