Senior Backend Engineer .NET

Job Title: Senior Backend Engineer (.NET)

Department: IT

Role Summary

We are looking for a Senior Backend Engineer to design and build high-performance backend services, APIs, and middleware. You will architect distributed systems, integrate third-party hardware and external platforms, and implement event-driven architectures for real-time data processing. This is a hands-on role requiring deep expertise in .NET, working knowledge of modern Node.js, and production Kubernetes experience. You will own critical systems end-to-end, make architectural decisions that shape the platform, and mentor junior engineers.

Key Responsibilities

•      Design and implement high-performance backend services, APIs, and middleware.

•      Architect and build distributed systems ensuring horizontal scalability, fault tolerance, and high availability.

•      Design integration layers for third-party systems, hardware and external APIs

•      Implement event-driven architectures for real-time alarm correlation, video analytics events, and system telemetry.

•      Deploy, manage, and optimize containerized workloads on Kubernetes (on-premises and cloud).

•      Collaborate with DevOps on CI/CD pipelines, infrastructure as code, and deployment strategies.

•      Lead code reviews, enforce coding standards, and mentor junior engineers.

•      Identify and resolve backend bottlenecks through profiling, load testing, and performance optimization.

•      Own technical documentation including ADRs, API specifications, and runbooks.

Qualifications and Experience

Education:

•      Bachelor's degree in Computer Science, Software Engineering, or equivalent.

Work Experience:

•      8+ years of experience in backend software development.

•      Minimum 5+ years of hands-on development in .NET Core/.NET (C#).

•      Proven track record designing and operating distributed systems at scale.

•      Experience with Kubernetes in production environments.

Technical Skills Required:

•      Strong proficiency in .NET 8+ and C#: ASP.NET Core, minimal APIs, gRPC, high performance async patterns.

•      Working knowledge of modern Node.js/Bun ecosystem — TypeScript, NestJS/Express/Hono, Prisma/Drizzle.

•      Kubernetes: deployments, services, ingress, ConfigMaps/Secrets, Helm charts.

•      Distributed systems: CAP theorem, eventual consistency, circuit breakers, saga patterns.

•      Message brokers: Kafka, RabbitMQ, SQS/SNS, Azure Service Bus.

•      Databases: PostgreSQL, SQL Server, MongoDB, Redis.

•      AWS: ECS/EKS, Lambda, SQS/SNS, S3, RDS, IAM, CloudWatch.

•      Azure: AKS, Container Apps, App Service, Service Bus, Blob Storage, Application Insights.

•      API design: REST, gRPC, OpenAPI/Swagger, API versioning.

•      Architectural patterns: Clean Architecture, CQRS, Event Sourcing, DDD.

•      Testing: xUnit/NUnit, Vitest/Jest, integration tests, test containers.

•      Observability: OpenTelemetry, Prometheus/Grafana, structured logging, distributed tracing.

Preferred Experience:

•      Real-time communication with SignalR, WebSockets, server-sent events.

•      Video streaming, media servers, or high-throughput IoT ingestion.

•      GitOps and IaC — ArgoCD/Flux, Terraform, GitHub Actions or Azure DevOps.

•      Service mesh and platform security, Vault, container scanning.

•      Hardware integration via SDKs, proprietary protocols, device communication.

•      Working knowledge or understanding of Python and its ecosystem.

Soft Skills:

•      Self-driven with ability to own features end-to-end with minimal supervision.

•      Strong analytical and debugging skills in complex distributed environments.

•      Clear communication with both technical and non-technical stakeholders.

•      Strong documentation habits, you write it down so others can run with it.