Job Url: https://wellfound.com/jobs/3766781-senior-net-backend-developer

Job Description: 
SentriGrid.AI
Actively Hiring
Long-range AI-Powered Threat Detection
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Senior .Net Backend Developer
No equity
|
Remote (
United States
)
|5 years of exp
|Contract
Posted: 2 days ago• Recruiter recently active
Hires remotely in
United States
Remote Work Policy
Remote only

Company Location
Santa Barbara
Visa Sponsorship
Not Available

Preferred Timezones
Pacific Time, Mountain Time, Central Time, Eastern Time, Atlantic Time
Relocation
Not Allowed
Skills
.NET
C#
Domain Driven Design
Entity Framework
Azure
Microsoft SQL Server
MQTT
Microservices
RESTful APIs
ASP.NET Core
Azure Blob Storage
About the job
About SentriGrid AI:
SentriGrid AI is pioneering the future of security with an advanced long-range threat detection solution that integrates AI, video, radar, thermal, and sound. Designed to keep homeowners, businesses, and communities safer, our technology is setting new standards for community-based security.

Position Overview:
We are seeking an experienced Senior Backend Developer to join our team and help scale our event processing backbone. You will work on a modern .NET-based microservices architecture that processes real-time IoT events, manages device lifecycles, orchestrates alert distribution, and powers community safety features.

Core Development:

Design, develop, and maintain scalable backend services using .NET 9 and ASP.NET Core
Implement clean architecture patterns with clear separation of concerns (Domain, Application, Infrastructure, API layers)
Build and optimize RESTful APIs using minimal APIs and endpoint routing
Develop background worker services for real-time MQTT message processing
Create and maintain Entity Framework Core migrations and database schemas
Implement multi-tenant data isolation and security patterns
IoT Event Processing:

Build and maintain MQTT message handlers for IoT device telemetry and alerts
Design event-driven workflows for alert orchestration and deduplication
Implement device provisioning, health monitoring, and heartbeat systems
Develop alert processing pipelines with rate limiting and escalation logic
Create community feed publishing mechanisms for alert distribution System Architecture
Contribute to architectural decisions for scalable, high-availability systems
Design and implement service-to-service communication patterns
Optimize database queries and prevent N+1 query problems
Implement caching strategies and performance optimizations
Design and maintain API contracts and integration points
Cloud Infrastructure:

Deploy and manage services on Azure Container Apps (our current production platform)
Configure and maintain Azure services (SQL Server, PostgreSQL, Blob Storage, Event Grid MQTT)
Implement containerization strategies using .NET container publishing
Set up and maintain CI/CD pipelines using Azure DevOps
Manage secrets, configuration, and environment-specific deployments
Work with serverless container platforms and consumption-based scaling
Quality Operations:

Write comprehensive unit and integration tests
Implement health checks, monitoring, and observability patterns
Debug production issues and optimize system performance
Maintain code quality through code reviews and best practices
Document APIs, architecture decisions, and operational procedures