Location. Seattle, WA, four or more days onsite.

Stack. C#, .NET, AWS Secret environment, Docker, Kubernetes.

Summary. As a Backend Engineer, you'll help architect and build the core simulation engine powering intelligent, autonomous decision-making in dynamic, high-stakes environments. You'll work directly on distributed systems that must operate reliably under uncertainty, driving breakthrough performance using modern engineering practices and secure infrastructure.

What you will do.

• Design and scale the backend for our multi-agent simulation platform
• Own distributed system components from architecture to deployment
• Collaborate with AI and frontend teams to power real-time decision loops
• Work in secure cloud environments to deliver production-grade systems

Who fits.

• 2 to 6 years of hands-on backend experience, preferably in C# / .NET
• Strong grasp of system design and distributed architectures
• Ownership mindset with a bias toward shipping impactful code
• Comfortable navigating high-performance, mission-driven teams

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Pay range, Washington. $150,000 to $200,000 base salary.‍

Apply. jobs@watchtowerlabs.ai