Remote Senior Web Browser Researcher

Fingerprint; Oregon; Hybrid; USD 174,000 - 235,000; Full time

Job summary

Fingerprint is seeking a Senior Web Browser Researcher to advance device-identification and bot-detection in modern browsers. You will own research from discovery to production, build tooling, and communicate actionable results to product and engineering teams.

The role emphasizes deep analysis of JavaScript, web APIs, and browser internals, with broad exploration across signals and edge cases in a fully remote environment.

Qualifications

• Deep understanding of web platform fundamentals, browser internals and security.
• Proficiency in JavaScript and ability to read and navigate multi-language codebases.
• Strong grasp of web networking fundamentals.
• Proven ability to uncover undocumented web behavior through testing and reverse engineering.
• Track record of driving research from idea to validated, actionable results with data.
• Depth in at least one area (e.g., reverse engineering or network research) with breadth across others.
• Ability to clearly communicate findings, impact, and trade-offs to engineers and product partners.

Responsibilities

• Research device-identification and bot-detection techniques across modern browsers.
• Own findings end-to-end and back assessments with data and impact estimates.
• Review engineering changes to ensure alignment with research intent.
• Build and maintain research tooling (observers, fuzzers, scrapers).
• Track browser changes and translate them into product actions.
• Produce structured research outputs for internal and partner use.

Skills

Web platform fundamentals

Browser internals

JavaScript

Web security concepts

Code comprehension across languages

Networking fundamentals

Reverse engineering

Clear communication

Tools

Go

Web debugging tools

Chromium/bug trackers

Job description

Fingerprint is seeking a Senior Web Browser Researcher to advance device-identification and bot-detection in modern browsers. You will own research from discovery to production, build tooling, and communicate actionable results to product and engineering teams.

The role emphasizes deep analysis of JavaScript, web APIs, and browser internals, with broad exploration across signals and edge cases in a fully remote environment.