Principal Software Engineer, Security

Coalition is the world's first Active Insurance provider designed to help prevent digital risk before it strikes. They are seeking a Principal Software Engineer to lead the design and implementation of core backend services and integrations for their detection and enrichment platform, while mentoring other engineers and setting technical standards.

Responsibilities:

• Lead the design and implementation of core backend services and integrations that power Wirespeed’s detection and enrichment platform
• Own high-impact integrations with key security tools (such as EDR, identity providers, and SIEMs) end to end, including reliability, performance, and long-term maintainability
• Collaborate with detection engineering and security operations to translate detection strategies into robust, production-quality logic and pipelines
• Set technical standards for code quality, testing, and observability, and drive consistent adoption through design and code reviews
• Mentor and guide senior engineers, helping them navigate complex architectural decisions and develop scalable, secure solutions

Requirements:

• Significant experience as a backend or platform engineer building distributed systems and cloud-based services in production
• Strong proficiency with TypeScript/Node.js or a similar modern backend language and framework
• Hands-on experience designing and maintaining integrations with third-party APIs or platforms; experience with security tools (EDR, identity, SIEM) is highly preferred
• Solid understanding of security concepts and practices, with expertise in at least one of: endpoint detection and response, identity and access management, SIEM/log analytics, or detection engineering
• Proven ability to design, deliver, and operate complex systems that handle high volumes of data, with strong reliability and observability
• Demonstrated technical leadership, including influencing architecture, mentoring other engineers, and collaborating effectively across teams
• Strong communication skills and a practical, outcome-oriented approach to problem solving
• Experience in a cybersecurity, MDR, or related domain is a plus, but not strictly required if the candidate brings strong backend and integration depth and is eager to learn the security domain