Full Stack Developer // AI & Cybersecurity

Job Description

We are looking for a Full Stack Developer who functions like a “Product Engineer”—someone who doesn’t just write code to tickets, but understands the why behind the product. You will be a founding member of our AI-driven evolution, moving with the urgency of a startup and the precision of a world-class security firm.

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This is a high-impact, hands-on role focused on velocity and innovation. You will architect and ship production-ready software that integrates LLMs and Generative AI into our core security stack. You will work directly with our C-suite and a lean team of veteran developers to turn ambitious ideas into reality.

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Core Responsibilities\n

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• Ship at Velocity

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• Rapidly prototype and deploy new features, moving from whiteboard concept to production-ready code in days, not months.

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• Architect for Scale

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• Design and implement scalable systems that handle massive data throughput without sacrificing development speed.

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• Full-Stack Ownership

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• Take complete end-to-end ownership of projects, from low-level backend performance (Go/C) to intuitive frontend experiences (Angular).

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• AI Integration

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• Build and refine AI-powered features using LLMs, LangChain, and PyTorch to give our customers an “unfair advantage” against cyber threats.

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• Eliminate Friction

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• Identify bottlenecks in our engineering lifecycle and implement tools/processes to improve overall team velocity.

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• Collaborative Innovation

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• Partner with C-level leadership to translate high-level business goals into technical roadmaps.

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Key Candidate Attributes(The “Ideal Fit”)\n

You are a polyglot developer who is “tool-agnostic” and cares more about solving the problem than the specific language used.

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• Experience

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• 4+ years of experience building and deploying complex systems within AWS environments.

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• The AI Edge

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• Hands-on experience building with LLMs and GenAI frameworks (LangChain, PyTorch, or similar). You understand how to prompt, fine-tune, and integrate AI into functional software.

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• Polyglot Proficiency

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• You are comfortable working across a diverse stack:

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• – Frontend: Angular / JavaScript / TypeScript.

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• – Backend/Systems: Python, Java, Go, or C.

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• – Data: Strong SQL skills and experience with high-performance data structures.

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• Product Mindset

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• Proven track record of building complete systems. You understand how the frontend interacts with the API, and how the API interacts with the database/cloud layer.

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• Executive Communication

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• The ability to explain complex technical trade-offs to non-technical stakeholders and C-level executives.

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• The “Startup” DNA

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• A solutions-oriented mindset with a high degree of independence. You don’t wait for permission to fix a problem.

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Why threatER?\n

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• Impact

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• You are building tools that protect critical infrastructure and global enterprises from sophisticated cyberattacks.

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• High Agency

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• We minimize red tape. If you have a better way to build something, you’ll have the autonomy to do it.

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• Elite Team

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• Work alongside highly experienced developers who value pragmatism, high engineering standards, and shipping.

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• Location

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• Join us in the heart of the Tysons, VA tech corridor in a collaborative, high-energy on-site environment.

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Benefits We Offer\n

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• Competitive market-based compensation

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• Medical, Dental, Vision and Life

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• 401k – matching both your pre-tax and/or Roth elective contributions, dollar for dollar, up to 4% of your eligible pay. Immediately eligible to participate upon employment and contributions are 100% vested.

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• Career progression and internal mobility opportunities

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• Unlimited PTO

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