Remote Senior Security Engineer, Open-Source Browser

Mozilla Corporation is seeking a Senior Software Engineer to advance Firefox security. You will design, implement, and ship security features for enterprise users, contribute to Firefox security architecture across multiple OS, and collaborate with cross-functional teams. You’ll bring 3+ years in low-level software, strong C/C++, knowledge of security...

Mozilla Corporation is seeking a Senior Software Engineer to advance Firefox security. You will design, implement, and ship security features for enterprise users, contribute to Firefox security architecture across multiple OS, and collaborate with cross-functional teams.You'll bring 3+ years in low-level software, strong C/C++, knowledge of security...

Filigran is seeking a Senior Software Engineer who is AI-first and hands-on, capable of driving AI-native engineering across our XTM Foundation. You will experiment with AI coding tools, build guardrails for safe deployment, and work with multiple product teams to embed AI into daily workflows. You will help the organization scale AI practices, contribute to...

Mozilla seeks a Senior Software Engineer for AMO, delivering features and platform modernization across Python/Django-based systems. You’ll drive architectural improvements, enhance automated moderation pipelines, and collaborate with engineers, reviewers, and community contributors to ship reliable software used by millions. You’ll contribute to CI/CD...

Filigran is seeking a Senior Software Engineer who is AI-first and hands-on, capable of driving AI-native engineering across our XTM Foundation. You will experiment with AI coding tools, build guardrails for safe deployment, and work with multiple product teams to embed AI into daily workflows. You will help the organization scale AI practices, contribute to...

Grafana Labs, the company behind the open observability cloud, is a fully remote organization with 1,600+ team members across 40+ countries. This Senior Engineer role on Pyroscope focuses on scaling a distributed database, improving profiling capabilities, and integrating with the Grafana stack. You will own end-to-end projects, drive operational excellence,...

Mozilla seeks a Senior Software Engineer for AMO, delivering features and platform modernization across Python/Django-based systems. You’ll drive architectural improvements, enhance automated moderation pipelines, and collaborate with engineers, reviewers, and community contributors to ship reliable software used by millions. You’ll contribute to CI/CD...

Grafana Labs, the company behind the open observability cloud, is a fully remote organization with 1,600+ team members across 40+ countries. This Senior Engineer role on Pyroscope focuses on scaling a distributed database, improving profiling capabilities, and integrating with the Grafana stack. You will own end-to-end projects, drive operational excellence,...

Software Engineer (Open Source Contributor) Position: Software Engineer (Open Source Contributor) Type: Contractor Compensation: $50–$100/hour Location: Remote — Worldwide About the Opportunity We’re seeking experienced software engineers and open-source contributors to create realistic coding challenges that help train next-generation...