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Remote
Senior
Full Time
💰$178,500
remotefull-timeflexible hoursbackground check requiredtravel required
Requirements
- •7+ years experience building and debugging complex web applications with vanilla JavaScript
- •Detailed knowledge of web standards, web components, and browser APIs
- •Advanced ability to reverse-engineer obfuscated third-party code and reduce issues to minimal test cases
- •Passion for hunting elusive bugs and tracing root causes
- •Interest in automating repetitive work and building agentic tooling
- •Experience triaging issues, leading incident response, and communicating with technical and non-technical stakeholders
- •Experience shipping code beyond the web, such as native or desktop clients
- •Ability to lead complex, ambiguous projects with little to no oversight
What You'll Do
- •Ensure websites work in DuckDuckGo's browsers across Mac, Windows, iOS, and Android
- •Reverse-engineer how sites detect privacy protections and build countermeasures
- •Shim browser APIs for seamless site operation across different browser engines and system webviews
- •Build LLM agent pipelines to reproduce and triage reported site breakage
- •Own web compatibility triage process
- •Debug complex issues in third-party code
- •Distinguish site bugs from browser bugs and privacy protection-induced breakage
- •Lead incident response for top site breakages
- •Ship durable fixes across every platform
- •Work on projects to prevent user churn and retain users
Nice to Have
- •Experience with Swift, Kotlin, C#, C++, Python
Benefits
- •$178,500 USD annual salary
- •Stock options
- •Paid parental leave
- •Office setup allowance
- •Co-working allowances
- •Company-sponsored health benefits for US-based team members
About DuckDuckGo
Independent online protection company. Get our browser with protections built-in, including our search engine that doesn’t track you.
Paoli, PA, US
250 - 500
Internet & Software