MozillaHiring

Senior Software Engineer, Privacy

  • Remote, Netherlands
  • Senior
  • Posted 7 days ago
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In one line

Senior engineering role on a browser privacy team, writing C++, Rust and JavaScript to block tracking and phishing; remote across Europe and US East.

About the role

Users are tracked and phished across the web, and the privacy team builds the protections that stop it inside a widely used open-source browser. Work lands in the engine itself, so changes reach a very large audience.

At a glance

Pay
Not stated in the posting
Remote scope
Remote, Netherlands
Seniority
Senior
Skills
Rust, JavaScript, Gecko, Python, SQL
Posted
22 Oct 2026
Last checked
29 Oct 2026

What you will do

  • Add anti-tracking and threat intelligence protections to the browser so users face less tracking and phishing.
  • Rework parts of the Gecko browser engine to support those protections.
  • Write C++, JavaScript and Rust that stays fast, low-latency and easy to maintain.

What they look for

  • Degree in computer science, engineering or a similar field, or the same knowledge gained on the job.
  • Four or more years writing C++ and Rust, with depth in memory safety, multi-threaded design or handling raw data streams.
  • A record of picking up complex software quickly and improving it.
  • Experience scoping and shipping complex features on your own inside tight release deadlines.
  • Clear writing and speaking, with the habit of explaining decisions and progress.

Benefits

  • Performance-based bonus for eligible staff, shared across the team.

How Keywordise applies for you

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Claude

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Connector URL
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ChatGPT

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Connector URL
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Muse

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Message for Muse
Add a custom connector called Keywordise. It is a remote MCP server at https://keywordise.com/mcp and uses OAuth. Give me the sign-in link.

Muse is available in the US only for now.

Prompt
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How to connect

Questions about this job

Is this job fully remote, and from where?

The posting lists it as remote for people in the Netherlands.

What does this job pay?

The posting does not state a salary, so there is no figure to quote.

What experience is needed?

It is a senior role. The posting asks for: degree in computer science, engineering or a similar field, or the same knowledge gained on the job; four or more years writing C++ and Rust, with depth in memory safety, multi-threaded design or handling raw data streams; a record of picking up complex software quickly and improving it. Skills it names include Rust, JavaScript, Gecko, Python.

How do I apply with Keywordise AI?

Press the Apply with Keywordise AI button and add your CV. Keywordise tailors your CV and cover letter to this posting and sends the application for you, with a free 7-day trial and no card.

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