Obsidian Security

Obsidian Security

Obsidian Security is a Southern California-based company at the forefront of cybersecurity, artificial intelligence, and hybrid cloud environments. They offer a comprehensive security solution for businesses, including advanced threat protection, insid...

Internet Software & Services
51-250
Founded 2017
$30M raised

Description

  • Own features from detection concept through production across browser extension, backend, and pipeline code.
  • Write content scripts and background scripts that interact with web pages and coordinate browser extension behavior.
  • Build backend services for event ingestion, enrichment, and alerting.
  • Develop systems that process and analyze large volumes of security events for the detection engine.
  • Work with security researchers to turn threat intelligence into working detections.
  • Contribute to code review and design discussions to improve team output.
  • Build detection systems that identify sensitive data being entered into LLM chatbots and other SaaS applications.

Requirements

  • 8+ years of software development experience, ideally across multiple areas or stacks.
  • Strong understanding of browser internals, including DOM APIs, the event loop, SPA routing, and CORS.
  • Prior experience building browser extensions, including content scripts, background scripts, message passing, and Manifest V3 limitations.
  • Strong TypeScript skills and comfort working in Python.
  • Willingness to write Rust, or existing Rust experience.
  • Experience working with data at scale, including event streaming, pipelines, and high-throughput ingestion.
  • Backend experience with APIs, Postgres, Elasticsearch, Kafka, or similar technologies.
  • Ability to work independently with minimal direction.
  • Preferred experience or interest in AI security topics such as prompt injection and data exfiltration.
  • Preferred background in detection engineering, SIEM, security operations, or building security tools.

Benefits

  • Competitive compensation with equity and 401(k).
  • Comprehensive healthcare coverage, including dental and vision.
  • Flexible paid time off plus paid holiday time off.
  • 12 weeks of new parent or family leave.
  • Personal and professional development resources.
  • Base salary range of $176,000 to $196,000 USD.
  • Eligibility for equity awards and potential sales commission or incentive compensation, depending on role or function.

Interested in this position?

Apply directly on the company website

Apply Now

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