DEFCON AI · 10 hours ago
Senior Full Stack Software Engineer
United States
Full-time
Remote
Senior Level, Lead/Staff
$155K/yr - $215K/yr
8+ years expDEFCON AI is an insights company that leverages artificial intelligence, mathematical optimization, data analytics, and software engineering for resilient optimization of complex systems. They are seeking a Senior Full Stack Software Engineer to design, build, and scale modern web applications, taking ownership of features and contributing to technical decisions in a remote-first environment.
Artificial Intelligence (AI)LogisticsSupply Chain ManagementTransportation
Responsibilities
Shape the product architecture end-to-end. You’ll design and ship modular .NET services and modern React frontends that stay fast, reliable, and elegant across a wide range of real-world customer environments
Own the data foundation. You’ll design high-performance PostgreSQL schemas and craft EF Core queries that serve as the source of truth for business logic, permissions, and RBAC—balancing correctness, clarity, and scale
Engineer for performance at scale. You’ll build smart caching layers with Redis and leverage S3 for large artifacts, keeping our Web Gateway lean, responsive, and built to grow
Drive technical direction through RFCs. You’ll author and collaborate on design proposals that define data contracts and API boundaries, making our .NET platform and Python-based solver runners work together seamlessly
Ship with product and design, not in a silo. You’ll partner closely with product and design to turn real customer problems into thoughtful technical solutions—and deliver them in tight, iterative releases
Use AI as a force multiplier (responsibly). You’ll leverage tools like Claude Code and GitHub Copilot/Cursor to move faster and refactor with confidence, while keeping security, quality, and maintainability non-negotiable
Hold the quality bar high. You’ll help set the standard through great code reviews, automated testing, and pragmatic engineering practices that keep the codebase a joy to work in
Qualification
Required
8+ years of professional software engineering experience delivering production web applications
Strong full stack experience shipping user-facing features end-to-end across frontend, backend, and data layers
Deep expertise in React and TypeScript, including component architecture, hooks, and performance optimization
Experience building and maintaining modern React applications (Vite, Tailwind CSS and client-side data fetching patterns)
Strong backend experience with C# and modern .NET (.NET 9 or similar), including API design with Minimal APIs and secure development practices
Strong experience with PostgreSQL, including schema design, indexing strategies, and query optimization
Hands-on experience with Entity Framework Core, including writing efficient queries and managing migrations
Experience designing and operating asynchronous workflows (RabbitMQ) and implementing caching strategies (Redis)
Experience building real-time UI updates using SignalR
Experience working with AWS, especially object storage in Amazon S3
Solid understanding of authentication or authorization patterns including application-level RBAC (e.g., JWT, OAuth/OIDC concepts)
Strong written and verbal communication skills, including the ability to collaborate effectively in a remote environment
Preferred
Experience integrating .NET services with Python-based systems and designing stable data contracts between services or teams
Experience with Docker and container orchestration (Kubernetes)
Observability and performance tooling experience (OpenTelemetry, Application Insights, Datadog, Grafana/Prometheus)
GraphQL experience (in addition to REST)
Benefits
100% employer paid, comprehensive health insurance including medical, dental, and vision for you and your family
Unlimited PTO, with your manager’s approval
Flexible work environment where you manage your work day
14 weeks of fully-paid parental leave
Company
DEFCON AI
DEFCON AI optimize logistics and mobility decision-making through the use of advanced AI technology.
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$44MKey Investors
Bessemer Venture Partners
2024-08-20Seed· $44M
Leadership Team
Yisroel Brumer
Co-Founder and Chief Executive Officer
Grant Verstandig
Co-Founder & Executive Chairman
Recent News
2025-08-11
FN Media Group LLC
2025-08-05
Company data provided by crunchbase