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Coalition SecurityCoalition SecurityUnited States

Principal Software Engineer, Security

Leads design and implementation of backend services and security tool integrations (EDR, SIEM, identity) for detection platform. Requires backend expertise in TypeScript/Node.js, distributed systems, security concepts, and technical leadership.

200k – 260k/yr
RemoteSecurity Engineering

About the role

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.

Skills and Qualifications

  • 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.

Compensation

US base salary ranges from $200,000/year in lowest geographic market up to $260,000/year in highest geographic market.

Perks

  • 100% medical, dental and vision coverage
  • Flexible PTO policy
  • Annual home office stipend and WeWork access
  • Mental & physical health wellness programs (One Medical, Headspace, Wellhub, and more)
  • Competitive compensation and opportunity for advancement

Skills

TypeScriptNode.jsEdrSIEMIdentity And Access ManagementDetection EngineeringDistributed SystemsCloud ServicesThird-Party ApisObservability
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