Senior Backend Engineer

Semperis

full-time

Posted on: 8/27/2025

Location: 🇺🇸 United States

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Senior

AzureCyber SecurityDistributed SystemsGRPCJavaScriptKubernetes.NETPythonRedis

About the role

Senior Backend Engineer on the Engineering team building SaaS that protects Microsoft Entra ID, Active Directory, and Microsoft 365 applications.
Design, implement, test, and deliver end-to-end features for the SaaS product.
Drive improvements in architecture, innovation, and adoption of quality and security best practices.
Build strong collaboration, share knowledge openly, and contribute to a high-performing team culture.
Work in a Dallas-area required hybrid role with onsite three days per week and remote the remaining days.

5+ years of professional experience with .NET Core, delivering production-ready code at scale.
Strong expertise in multi-threading and asynchronous programming (C#).
Proven experience building and maintaining multi-tenant SaaS applications on Azure.
Hands-on experience with containerized applications running in Kubernetes clusters.
Background in enterprise applications and distributed systems development.
Experience writing well-structured and comprehensive automated test suites.
Excellent communication skills with both technical and non-technical stakeholders.
Bonus: Experience with additional languages such as Python, PowerShell, or JavaScript.
Bonus: Knowledge of Microsoft Active Directory, Entra ID, Windows Security, and authentication protocols (OIDC, OAuth, SAML, NTLM, Kerberos).
Bonus: Familiarity with communication protocols: HTTP, TLS, SignalR, gRPC.
Bonus: Experience with databases such as OpenSearch or Redis.
Bonus: Understanding of secure coding practices and encryption algorithms.