Full-Time

Senior Software Engineer

Mozilla VPN

Confirmed live in the last 24 hours

Mozilla

Mozilla

1,001-5,000 employees

Not-for-profit organization promoting internet health

Compensation Overview

€57k - €76k/yr

Senior

Madrid, Spain

Candidates must be based in Spain.

Category
Full-Stack Engineering
Software Engineering
Required Skills
JavaScript
iOS/Swift
C/C++
Android Development
Linux/Unix
Requirements
  • 6+ years of software engineering experience
  • High level of proficiency in C++, Javascript, and full-stack web development.
  • Experience developing cross-platform applications (Windows, macOS, Linux, iOS, Android)
  • An understanding of privacy and security principles and best-practices
  • Excellent communication skills and experience mentoring engineers
Responsibilities
  • Contribute to the development and optimization of the Mozilla VPN client across platforms (Windows, macOS, Linux, iOS, Android).
  • Contribute to the Mozilla VPN extension for Firefox.
  • Own features and collaborate cross functionally to bring them from ideation to end-users.
  • Write pragmatic, maintainable, efficient code and review the code of your peers.
  • Triage, debug and resolve software defects
Desired Qualifications
  • Experience developing cross platform applications with Qt
  • Proficiency in any of the following: Rust, Go, Javascript, TypeScript, Lit
  • Open-source contributions to networking or VPN-related projects
  • Experience implementing or improving application observability

Mozilla operates as a not-for-profit organization focused on promoting an open and accessible internet. Its main product is the Firefox browser, which emphasizes user privacy and security. Mozilla generates revenue through partnerships and search engine royalties, allowing it to reinvest in mission-driven projects rather than distributing profits. This unique approach differentiates Mozilla from traditional for-profit companies, as it prioritizes user empowerment and internet health. Additionally, Mozilla offers premium services like Mozilla VPN and engages in advocacy through the Mozilla Foundation, supporting open-source projects and internet literacy initiatives. The company's goal is to create a better internet for everyone by focusing on ethical practices and user-centric products.

Company Size

1,001-5,000

Company Stage

Grant

Total Funding

$3.5M

Headquarters

Mountain View, California

Founded

1998

Simplify Jobs

Simplify's Take

What believers are saying

  • Thundermail could diversify Mozilla's offerings and increase its user base.
  • Smart tab groups using AI could attract users seeking innovative browsing features.
  • Expansion into smart devices could increase Mozilla's market presence.

What critics are saying

  • Reliance on Google for search royalties poses a significant financial risk.
  • Thundermail may struggle against established email services like Gmail and Microsoft 365.
  • Late adoption of features like smart tab groups could impact user retention.

What makes Mozilla unique

  • Mozilla operates as a not-for-profit, prioritizing user empowerment over profit.
  • Mozilla's open-source approach fosters transparency and user trust.
  • Mozilla's focus on privacy aligns with growing consumer demand for ethical tech solutions.

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Benefits

Insurance, Health & Wellness. Health Insurance.

Financial & Retirement.

401k Plan

Family & Parenting.

Work From Home.

Vacation & Time Off.

Perks & Discounts. Free Lunch or Snacks.

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

6%

2 year growth

5%
Cyber Insider
May 9th, 2025
Firefox Streamlines Add-On Consents Giving Users Better Privacy Control

Mozilla has rolled out a new data consent experience in Firefox Nightly 139, giving users clearer, more consistent information about what personal data browser extensions wish to collect - right at the point of installation.

Yahoo
May 7th, 2025
YouTube picture-in-picture works on Firefox for Android again

Firefox has now released version 138.0.2 for Android, which explicitly addresses and fixes the YouTube PiP bug.

sternit
May 6th, 2025
>>Firefox's Future Uncertain Without Google Search Deal, Insider Warns<<

Mozilla's chief financial officer testified that firefox could face extinction if justice department proposals targeting google's search dominance are fully implemented, revealing the browser's precarious financial position amid ongoing antitrust proceedings.

HiTech Expert
May 5th, 2025
Firefox can be prevented without Google's agreement on search

(Unlike many other companies involved in the Google lawsuit, Firefox has not expressed interest in acquiring Chrome.)

XDA Developers
Apr 29th, 2025
Firefox arrives late to the party with a new feature Chrome has had for years

Mozilla is also working on "smart tab groups," which uses AI to automatically suggest names and groupings based on the tabs you have opened.