Remote Senior Software Engineer - Security Focus

About the Role

We are seeking a Remote Senior Software Engineer specializing in security to join our team. In this role, you will play a crucial part in designing and implementing robust security features across large-scale platforms. As a Remote Senior Software Engineer, you will collaborate closely with product and engineering teams to enhance platform safety, prevent abuse, and ensure resilience against emerging threats.

What You'll Do

• Design, develop, and deliver security-focused features with an emphasis on user safety and system integrity.
• Collaborate with engineering teams to ensure secure architectural and implementation decisions.
• Lead by example in code reviews, technical decision-making, and fostering a culture of transparency and collaboration.
• Maintain and enhance security-critical components, addressing technical debt and vulnerabilities.
• Provide support for application security incidents and ongoing operational security needs.
• Review, test, and deploy security features developed internally or by community contributors.
• Mentor and guide less experienced engineers on security best practices and secure software development.

Requirements

• 5+ years of experience as a software engineer, with a focus on security.
• Proficiency in modern PHP and JavaScript codebases.
• Experience designing and implementing security features for large-scale systems.
• Ability to develop proofs of concept, write design documents, and decompose complex projects into actionable tasks.
• Strong understanding of secure software development, threat modeling, and security best practices.
• Excellent communication skills for explaining complex security issues to technical and non-technical audiences.
• Experience in remote and distributed team environments.

Nice to Have

• Experience with anti-abuse mechanisms (CAPTCHA, bot detection).
• Database and backend security experience.
• Familiarity with MediaWiki or similar platforms.
• Open-source contributions or formal security certifications.

What We Offer

• Competitive compensation based on experience and location.
• Fully remote work with flexible scheduling.
• Opportunity to contribute to a platform impacting millions of users globally.
• Collaborative and inclusive team culture.
• Continuous learning and professional development opportunities.
• Chance to lead and shape security practices in a high-impact, mission-driven environment.