Mozilla

iOS Engineer, Mobile

iOS Engineer

Experience building native iOS apps using Swift; SwiftUI; MVVM; code reviews; unit tests; distributed team collaboration.

Senior Software Engineer

7+ years of backend software development with Node.js/TypeScript; PostgreSQL/Knex; Kubernetes; cloud (GCP/AWS); Redis; observability tools; security and privacy focus.

7+ years backend software development; strong Node.js/TypeScript; PostgreSQL; cloud (GCP/AWS); Kubernetes; observability tools; security and privacy focus.

7+ years backend-focused software development; strong Node.js/TypeScript; PostgreSQL; Kubernetes; cloud (GCP/AWS); IaC; observability; security/privacy emphasis.

Senior Data Engineer

Minimum 4 years of professional data engineering experience; proficiency in SQL and Python; experience with cloud distributed systems (GCP); strong data modeling and software engineering fundamentals; able to work across time zones.

4+ years in data engineering; SQL and Python; experience with data modeling; cloud (GCP); data governance and observability.

Data Engineer

At least 4 years of professional data engineering experience; proficient in SQL and Python; experience with data modeling, cloud distributed systems (GCP), data governance, and observability.

Social Media & Content Strategist (Open-Source AI)

Social Media & Content Strategist

Part-time or contract role focusing on developer relations, content strategy, and community engagement for open-source AI.

Community Manager (Open-Source AI)

Community Manager

Contract-based community manager for open-source AI; experience building technical communities; partnerships and events; coordinating cross-functional teams.

0to1 Engineer

Engineer

Prototyping and software development for open source AI; strong Python/TypeScript; experience with AI tooling and APIs; ability to work in public and open repositories.

Senior Software Engineer (Localization)

Experienced in Python and JavaScript; strong web tech and APIs; open source collaboration; distributed team work; English fluency.

Software Engineer

Senior engineer with strong Python/JavaScript experience; open source collaboration; English fluency; strong communication and distributed teamwork.

Sr Staff Quantitative User Researcher

Quantitative User Researcher

8+ years in user/product research with strong quantitative methods; expertise in survey methods, SQL, R; able to influence product decisions and roadmap.

Senior Staff Quantitative User Researcher

8+ years in user/Product research with extensive survey and quantitative methods; strong SQL and R; cross-functional collaboration; fast-paced environment.

8+ years in user/product research with extensive survey leadership and data analysis.

Staff Quantitative User Researcher

7+ years in user/product research with strong quantitative focus; extensive survey research; proficiency in R and SQL; ability to tell data-driven stories and influence product strategy.

7+ years in user/product/market research with focus on quantitative methods; strong survey design; expert in R and SQL; skilled storyteller of data; collaborative and fast-paced.

7+ years in user, product, or market research with strong focus on quantitative methods; experience leading survey research across product development; proficiency in R and SQL; ability to communicate insights and influence product decisions; ability to work in fast-paced, agile environments and mentor others.

Staff Security Engineer

Security Engineer

5+ years incident response experience; SIEM/SOAR expertise; cloud experience; strong communication and leadership; B.S. in a technology field helpful.

Strong Python/JavaScript skills; open source experience; distributed team collaboration; English fluency.

Strong experience with Python and JavaScript; open source development; localization/i18n; distributed collaboration; fluency in English.

Senior-level software engineer focused on localization; strong Python/JavaScript skills; open source collaboration; distributed team experience; English fluency.

Experience with Python and JavaScript; localization tooling; open source practices; distributed teams; English fluency.

Experience with Python and JavaScript libraries; web tech; open source; distributed teams; English fluency.

Strong experience with Python/JavaScript, web APIs, open source practices; distributed team collaboration; English fluency.

Title	Location	Date
iOS Engineer, Mobile Full Time Canada or Germany · Remote	Canada or Germany Remote	Apr 9, 2026
Senior Software Engineer Full Time · 7+ YOE United States · Remote	United States Remote	Apr 7, 2026
Senior Software Engineer Full Time · $137K-$182K · 7+ YOE United States · Remote	United States Remote	Apr 7, 2026
Senior Software Engineer Full Time · $104K-$139K · 7+ YOE Canada or United States · Remote	Canada or United States Remote	Apr 7, 2026
Senior Data Engineer Full Time · $85K-$125K · 4+ YOE Canada · Remote	Canada Remote	Mar 30, 2026
Senior Data Engineer Full Time · $123K-$164K · 4+ YOE United States · Remote	United States Remote	Mar 30, 2026
Senior Data Engineer Full Time · 4+ YOE United States · Remote	United States Remote	Mar 30, 2026
Social Media & Content Strategist (Open-Source AI) Full Time, Part Time, Contract, Temporary · $125K-$187K United States · Remote	United States Remote	Mar 25, 2026
Community Manager (Open-Source AI) Contract · $128K-$244K United States · Remote	United States Remote	Mar 25, 2026
0to1 Engineer Contract · $200K-$227K United States · Remote	United States Remote	Mar 25, 2026
Senior Software Engineer (Localization) Full Time · $65K-$87K United Kingdom · Remote	United Kingdom Remote	Mar 24, 2026
Senior Software Engineer (Localization) Full Time Canada · Remote	Canada Remote	Mar 24, 2026
Sr Staff Quantitative User Researcher Full Time · $142K-$189K · 8+ YOE Canada · Remote	Canada Remote	Mar 17, 2026
Sr Staff Quantitative User Researcher Full Time · $152K-$238K · 8+ YOE United States · Remote	United States Remote	Mar 17, 2026
Sr Staff Quantitative User Researcher Full Time · 8+ YOE United States · Remote	United States Remote	Mar 17, 2026
Staff Quantitative User Researcher Full Time · $115K-$153K · 7+ YOE Canada · Remote	Canada Remote	Mar 10, 2026
Staff Quantitative User Researcher Full Time, Part Time, Contract, Internship, Temporary, Seasonal, Volunteer · $149K-$199K · 7+ YOE United States · Remote	United States Remote	Mar 10, 2026
Staff Quantitative User Researcher Full Time · 7+ YOE United States · Remote	United States Remote	Mar 10, 2026
Staff Security Engineer Full Time · 5+ YOE United States · Remote	United States Remote	Mar 4, 2026
Senior Software Engineer (Localization) Full Time · $104K-$139K Canada · Remote	Canada Remote	Dec 16, 2025
Senior Software Engineer (Localization) Full Time · $65K-$87K Netherlands or Canada · Remote	Netherlands or Canada Remote	Nov 21, 2025
Senior Software Engineer (Localization) Full Time · $44K-$59K Finland or Canada · Remote	Finland or Canada Remote	Nov 21, 2025
Senior Software Engineer (Localization) Full Time · $55K-$74K Belgium or Canada · Remote	Belgium or Canada Remote	Nov 6, 2025
Senior Software Engineer (Localization) Full Time · $57K-$77K Spain or Canada · Remote	Spain or Canada Remote	Nov 6, 2025
Senior Software Engineer (Localization) Full Time · $53K-$71K · 3+ YOE France · Remote	France Remote	Nov 6, 2025

Activities	Web browser developmentOnline privacy softwareVirtual private networksOpen-source software distributionInternet security tools
Headquarters	US
Industries	SoftwareInternet
Name	Mozilla
Employees	940
Type	Private
Parent Company	Mozilla Foundation
Subsidiaries	PocketMozilla.aiFakespotMZLA TechnologiesAnonymMozilla Online
Tagline	Developing open-source web browsers and digital privacy tools.
Founded	1,998
Website	mozilla.org
Latest Funding Round	Angel
Latest Funding Year	2,005
Latest Funding Amount	2,300,000
Latest Investors	AOL

Mozilla

About Mozilla