Senior Infrastructure Developer (.NET/C#)
Hybrid · Framingham, Massachusetts, United States
Job Summary
Senior Infrastructure Developer (.NET/C#) responsible for designing, building, and evolving our internal private cloud and infrastructure platforms at enterprise scale. Deliver secure, resilient .NET/C# services, APIs, and automation while collaborating with solution architects, network engineering, security, and operations. Role emphasizes platform engineering, networking, observability, security-by-default, and compliance within complex enterprise networks, with on-site hybrid work at Framingham, MA and relocation-support options. Requires strong experience in REST/gRPC, CI/CD, IaC, TLS/mTLS, OpenTelemetry, health/SLOs, on-call incident response, and enterprise-grade security and auditing controls.
Required Qualifications
- Bachelor’s Degree in Computer Science, Engineering, a related field, or equivalent work experience
- 8+ years of hands-on experience developing production-grade .NET (C#) services & background workers for Infrastructure and/or Compute Systems
- Experience building and operating REST or gRPC APIs at scale
- Strong knowledge of networking fundamentals, CI/CD pipelines using Git-based workflows, .NET Core EF Core, and SQL design and querying
- 10+ years in enterprise software or platform engineering
- Experience developing internal developer platforms, reusable libraries and golden paths
- Operating services on both Windows and Linux
- Proven experience with observability tools, integrating with databases (SQL Server or Postgres) and enterprise messaging platforms
- Experience with enterprise PKI, certificate automation, and rotation
- Experience with infrastructure-as-code (IaC) tools (Terraform, Bicep, ARM)
- Hands-on experience with performance profiling, capacity planning, and resilience patterns
- Familiarity with Zero Trust architectures, network segmentation, containers, Kubernetes, and SRE practices
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