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: 12 hours agoStatus: Live

Job Summary

Join Mozilla as a Senior Software Engineer focusing on cryptography and security for Firefox. You’ll advance the cryptography stack, build security features for the web platform, and improve browser reliability in a multi-threaded environment. Collaborate across teams to drive security initiatives, participate in technical design, and contribute to open-source, multi-language codebases with a growth mindset and interest in Rust.

Location: Germany

Workplace: Remote

Employment Type: Full time

Job Function: Software Engineering

Seniority: Sr. Manager level

Key Responsibilities

•Advance Firefox’s security architecture and cryptography stack by contributing to improvements in core security systems, focusing on cryptographic protocols, WebPKI, and security-sensitive web APIs.
•Design and implement web platform security features and ship standards-based, secure, interoperable implementations across Firefox.
•Improve browser reliability, performance, and resource efficiency by investigating and resolving issues affecting stability and memory usage in a multi-threaded environment.
•Collaborate on security initiatives by partnering with engineers across teams to identify, prioritize, and address security issues and participate in debugging and root cause analysis.
•Contribute to technical design and planning through engagement in design reviews and project planning for security-related initiatives.

Pay and Benefits

Salary: EUR 68,000 - 91,000 annually

Perks:Health InsuranceAnnual BonusHome OfficeLearning BudgetWell-being StipendPensionDentalVisionLife Insurance

Key Requirements

•Strong software engineering and security fundamentals with proficiency in C/C++ and cryptographic protocol understanding.
•Experience building and maintaining complex software systems in large-scale or security-sensitive environments.
•Strong debugging and problem-solving skills for multi-threaded, cross-platform native applications focusing on performance and memory management.
•Collaborative and effective communicator with experience working with distributed teams.
•Willingness to learn and interest in web platform security and Rust; comfortable with large, multi-language codebases.

Experience:Browser securityCryptographyOpen sourceWeb platform

Skills:SecurityCryptographyMemory managementMultithreadingDesign reviewCommunication

Languages:English

Tech Stack:CC++RustWebPKICryptographyMemory managementMultithreading

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: 12 hours agoStatus: Live

Job Summary

Location: Germany

Workplace: Remote

Employment Type: Full time

Job Function: Software Engineering

Seniority: Sr. Manager level

Key Responsibilities

•Advance Firefox’s security architecture and cryptography stack by contributing to improvements in core security systems, focusing on cryptographic protocols, WebPKI, and security-sensitive web APIs.
•Design and implement web platform security features and ship standards-based, secure, interoperable implementations across Firefox.
•Improve browser reliability, performance, and resource efficiency by investigating and resolving issues affecting stability and memory usage in a multi-threaded environment.
•Collaborate on security initiatives by partnering with engineers across teams to identify, prioritize, and address security issues and participate in debugging and root cause analysis.
•Contribute to technical design and planning through engagement in design reviews and project planning for security-related initiatives.

Pay and Benefits

Salary: EUR 68,000 - 91,000 annually

Perks:Health InsuranceAnnual BonusHome OfficeLearning BudgetWell-being StipendPensionDentalVisionLife Insurance

Key Requirements

•Strong software engineering and security fundamentals with proficiency in C/C++ and cryptographic protocol understanding.
•Experience building and maintaining complex software systems in large-scale or security-sensitive environments.
•Strong debugging and problem-solving skills for multi-threaded, cross-platform native applications focusing on performance and memory management.
•Collaborative and effective communicator with experience working with distributed teams.
•Willingness to learn and interest in web platform security and Rust; comfortable with large, multi-language codebases.

Experience:Browser securityCryptographyOpen sourceWeb platform

Skills:SecurityCryptographyMemory managementMultithreadingDesign reviewCommunication

Languages:English

Tech Stack:CC++RustWebPKICryptographyMemory managementMultithreading

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