Senior Backend Software Engineer / Consultant

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.

• 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, Kafka, Event Hub, Pub/Sub, SNS, or SQS.
• Strong enterprise integration experience with REST, SOAP, API gateways, SFTP/PGP, message queues, polling, retry, idempotency, and deduplication .
• Strong knowledge of OAuth 2.0, OIDC, JWT, RBAC/IAM, TLS, encryption, secrets management, and secure coding .
• Strong SQL Server/PostgreSQL and NoSQL experience, including data modeling, ETL/ELT, data warehousing, audit trails, and performance tuning.
• Experience with Azure DevOps, GitHub Actions, GitLab CI/CD, Terraform, ARM/Bicep, CloudFormation , or equivalent tools.
• Strong experience with automated testing, logging, monitoring, distributed tracing, and production troubleshooting .
• Ability to independently deliver complex, production-ready backend solutions.
• Bachelor’s degree in Computer Science, Software Engineering, IT, or related discipline, or equivalent professional experience.

Preferred Qualifications

• Microsoft stack: .NET/ASP.NET Core, C#, Azure Functions, Azure SQL, Azure API Management .
• iOS-to-backend integration experience.
• Public-sector, public-safety, transportation, case-management, workflow-driven, or other mission-critical enterprise applications .
• CJIS or comparable security/compliance experience.
• Power BI or similar operational reporting/analytics experience.
• Legacy system integration and modernization.
• High-volume transaction processing and near-real-time enterprise integrations.
• Relevant Azure, AWS, security, or DevOps certifications .

Core Competencies

Backend Engineering | Cloud Architecture | REST/SOAP Integration | Workflow & State Machines | Event-Driven Architecture | SQL/NoSQL | ETL/ELT | Security & IAM | DevOps & CI/CD | Infrastructure-as-Code | Serverless & Containers | SFTP/PGP | Observability | Automated Testing | Production Support | Agile Delivery | Public Safety/CJIS

Ideal candidates will have strong hands-on .NET engineering expertise combined with cloud, security, enterprise integration, data, and production-support experience in complex or mission-critical environments.