Senior Full Stack Software Engineer

Defcon AI

full-time

Posted on:

Location Type: Remote

Location: United States

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Salary

💰 $155,000 - $215,000 per year

Job Level

Senior

Tech Stack

AWSEntity Framework.NETPostgresRabbitMQReactRedisTypeScript

About the role

  • Shape the product architecture end-to-end.
  • Own the data foundation.
  • Engineer for performance at scale.
  • Drive technical direction through RFCs.
  • Ship with product and design, not in a silo.
  • Use AI as a force multiplier (responsibly).
  • Hold the quality bar high.

Requirements

  • 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.
Benefits
  • A fully remote, results-based environment
  • Competitive salary, bonus, and equity package
  • 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
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
software engineeringfull stack developmentReactTypeScriptC#.NETPostgreSQLEntity Framework CoreRabbitMQRedis
Soft Skills
communicationcollaborationperformance optimizationquality assuranceremote teamwork