Mozilla

4 weeks ago

Senior Software Engineer, Firefox Security

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 5 hours agoStatus: Live

Job Summary

Join Mozilla as a Senior Software Engineer focused on Firefox security, cryptography, and web platform security. You’ll work on core security architectures, cryptographic protocols, WebPKI, and secure, standards-based web features in a large, multi-language codebase. Collaborate across teams to improve reliability, performance, memory efficiency, and long-term security solutions in a distributed environment.

Location: France

Workplace: Remote

Employment Type: Full time

Job Function: Software Engineering

Key Responsibilities

•Advance Firefox's security architecture and cryptography stack by contributing to improvements in core security systems, cryptographic protocols, WebPKI, and security-sensitive web APIs.
•Design and implement web platform security features, shipping standards-based, secure, interoperable implementations across Firefox.
•Improve browser reliability, performance, and resource efficiency by investigating and resolving issues impacting stability, correctness, and memory usage in a complex multi-threaded environment.
•Collaborate with engineers across teams to identify, prioritize, and address security issues, including debugging, root-cause analysis, and long-term solutions.
•Contribute to technical design and planning through design reviews and engineering decisions within security initiatives.

Pay and Benefits

Perks:Health InsuranceRetirementHome OfficeLearning BudgetWellness StipendPaid Parental

Key Requirements

•Strong software engineering and security fundamentals with proficiency in C/C++ and a solid understanding of cryptographic protocols and implementations.

Experience:Open sourceBrowser securityPrivacyWeb platform

Skills:CommunicationProblem-solvingCollaborationTeamwork

Languages:English

Tech Stack:CC++RustWebPKICryptographyMultithreadingMemory management

Company Brief

Mozilla

Mozilla is a mission-driven organization that builds open-source internet products (notably the Firefox browser) and advocates for an open, private, and secure web through software, research, and community programs.

Industry: Enterprise Software

Company Size: Large (251 to 1,000 employees)

Growth: Nonprofit & NGO

Headquarters: San Francisco, United States

Founded: 1998

Glassdoor: 2.9

Website LinkedIn Glassdoor

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Mozilla

4 weeks ago

Senior Software Engineer, Firefox Security

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 5 hours agoStatus: Live

Job Summary

Location: France

Workplace: Remote

Employment Type: Full time

Job Function: Software Engineering

Key Responsibilities

•Advance Firefox's security architecture and cryptography stack by contributing to improvements in core security systems, cryptographic protocols, WebPKI, and security-sensitive web APIs.
•Design and implement web platform security features, shipping standards-based, secure, interoperable implementations across Firefox.
•Improve browser reliability, performance, and resource efficiency by investigating and resolving issues impacting stability, correctness, and memory usage in a complex multi-threaded environment.
•Collaborate with engineers across teams to identify, prioritize, and address security issues, including debugging, root-cause analysis, and long-term solutions.
•Contribute to technical design and planning through design reviews and engineering decisions within security initiatives.

Pay and Benefits

Perks:Health InsuranceRetirementHome OfficeLearning BudgetWellness StipendPaid Parental

Key Requirements

•Strong software engineering and security fundamentals with proficiency in C/C++ and a solid understanding of cryptographic protocols and implementations.

Experience:Open sourceBrowser securityPrivacyWeb platform

Skills:CommunicationProblem-solvingCollaborationTeamwork

Languages:English

Tech Stack:CC++RustWebPKICryptographyMultithreadingMemory management

Company Brief

Mozilla

Industry: Enterprise Software

Company Size: Large (251 to 1,000 employees)

Growth: Nonprofit & NGO

Headquarters: San Francisco, United States

Founded: 1998

Glassdoor: 2.9

Website LinkedIn Glassdoor