Senior Backend Software Engineer / Consultant

About this role

We are seeking a Senior Backend Software Engineer / Consultant to join a government Product & Engineering team supporting a mission-critical E-Citations application. The role is hands-on and responsible for designing, developing, integrating, testing, deploying, and supporting secure, scalable backend services.

Key Responsibilities

• Design, develop, test, deploy, and support **.NET/C# backend services and integrations**.
• Build secure **REST/SOAP APIs** integrating iOS, enterprise, and legacy systems.
• Develop **workflow automation, business rules, state-machine logic, and event-driven processing**.
• Implement resilient **real-time/near-real-time, messaging, SFTP, and batch integrations**, including retry, idempotency, and deduplication.
• Develop and optimize **SQL/NoSQL data models, ETL/ELT pipelines, audit logging, reporting, and performance**.
• Implement **OAuth 2.0, OIDC, JWT, RBAC/IAM, TLS, encryption, secrets management, and Secure SDLC** practices.
• Support **CI/CD, Infrastructure-as-Code, automated testing, logging, monitoring, observability, and production diagnostics**.
• Troubleshoot complex production issues, perform **root-cause analysis**, and implement durable fixes.
• Participate in Agile sprints, code reviews, testing, releases, technical documentation, and occasional after-hours production support.
• Collaborate with Product, iOS, QA, infrastructure, cybersecurity, data, and enterprise integration teams.

Required Qualifications & Technical Skills

• **5+ years** of hands-on backend software engineering and enterprise application development.
• Strong expertise in **C#, .NET, and ASP.NET Core**.
• Strong cloud-native development experience with **Azure, AWS, or GCP**.
• Hands-on experience with **serverless and containers**, such as Azure Functions, AWS Lambda, Kubernetes/AKS, ECS/Fargate, GKE, or Cloud Run.
• Experience with **event-driven/workflow technologies** such as Durable Functions, Step Functions, Temporal, Kaf...