Senior Backend Software Engineer

The Senior Backend Software Engineer / Consultant is a hands-on engineer responsible for developing, integrating, testing, deploying, and supporting backend services for the E-Citations application. This role requires deep expertise in .NET, cloud-native development, secure APIs, workflow automation, enterprise integration, data engineering, and production support. The consultant will work directly with the Product and Engineering team to deliver secure, scalable, production-ready backend capabilities and resolve complex technical issues.

Key Responsibilities

• Design, develop, test, deploy, and support backend services and integrations for E-Citations.
• Build secure REST/SOAP APIs and integrations across iOS, .NET, 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 using retry, idempotency, and deduplication patterns.
• Develop and optimize relational and NoSQL data models, ETL/ELT pipelines, audit logging, and reporting integrations.
• Implement authentication, authorization, RBAC, encryption, secrets management, and secure coding practices.
• Develop and support CI/CD pipelines, Infrastructure-as-Code, automated testing, logging, monitoring, and observability.
• Troubleshoot complex defects and production issues, perform root-cause analysis, and implement durable fixes.
• Participate in sprint delivery, code reviews, testing, releases, and technical documentation.
• Support production releases and critical operational issues, including occasional evening or weekend support.
• Collaborate closely with Product, iOS, QA, infrastructure, cybersecurity, data, and enterprise integration teams., * Backend Software Engineering (.NET / C#)
• Cloud Architecture & Development (Azure/AWS/GCP)
• REST API & Enterprise Systems Integration
• Workflow Automation & State-Machine Design
• Event-Driven Architecture & Messaging
• Data Modeling, SQL/NoSQL & Transaction Integrity
• Security, IAM, Authentication & Encryption
• ETL/ELT & Data Integration
• DevOps, CI/CD & Infrastructure-as-Code
• Production Troubleshooting & Performance Optimization
• Serverless & Containerized Application Development
• Secure File / Legacy Integration (SFTP, SOAP, PGP)
• Observability, Logging & Monitoring
• Mobile-to-Backend Integration (iOS preferred)
• Automated Testing & Code Quality Practices
• Technical Documentation
• Agile Software Delivery & Code Reviews
• Public Safety / CJIS / Mission-Critical Systems

• 5+ years of backend software engineering and enterprise application development.
• Strong expertise in C#, .NET, ASP.NET Core.
• Experience designing and developing cloud-native backend services and APIs.
• Hands-on experience with Azure, AWS, or GCP.
• Serverless and container technologies (Azure Functions, AWS Lambda, Kubernetes/AKS, ECS/Fargate, GKE, Cloud Run).
• Event-driven and workflow technologies (Durable Functions, Step Functions, Temporal, Kafka, Event Hub, Pub/Sub, SNS, SQS).
• Enterprise integration (REST, SOAP, API gateways, SFTP/PGP, message queues, retry/idempotency/deduplication).
• Security expertise: OAuth 2.0, OIDC, JWT, RBAC/IAM, TLS, encryption, secrets management, Secure SDLC.
• Data engineering with SQL Server/PostgreSQL, NoSQL, ETL/ELT, data warehousing, audit trails, performance tuning.
• DevOps tooling (Azure DevOps, GitHub Actions, GitLab CI/CD, Terraform, ARM/Bicep, CloudFormation).
• Automated testing, logging, monitoring, distributed tracing, and production diagnostics.
• Ability to independently deliver complex backend development assignments.

Preferred Experience

• Microsoft stack: .NET/ASP.NET Core, C#, Azure Functions, Azure SQL, Azure API Management.
• Mobile-to-backend integration (especially iOS).
• Public-sector, public-safety, transportation, case-management, or mission-critical enterprise applications.
• CJIS or comparable security/compliance environments.
• Power BI or similar reporting/analytics platforms.
• Legacy system integration and modernization.
• High-volume transaction processing and near-real-time enterprise integration., * Bachelor’s degree in Computer Science, Software Engineering, IT, or related discipline (or equivalent experience).
• Relevant Azure, AWS, Security, or DevOps certifications are a plus.

InterSources Inc, is a Small, Woman, and Minority-Owned Business Enterprise, ISO/IEC 27001, SOC 2 Type 2 certified company with massive 18+ years of diversified experience in providing IT Consulting Services, Artificial Intelligence, Data Analysis, Application Development, Cloud Services, Cybersecurity, Digital Marketing, ERP Management, Custom Software Development, Web Development, UI/ UX Design, System Integration, QA Support etc. We make reasonable accommodations for clients and employees, and we do not discriminate based on any protected attribute including race, religion, color, national origin, gender sexual orientation, gender identity, age, or marital status. We also are a Google Cloud and Oracle partner company.