Senior Backend Software Engineer
Location: New York, NY Hybrid, 3 days onsite or as needed
Duration: 12 Months
Position Overview
The Senior Backend Software Engineer will be a hands-on engineer responsible for developing, integrating, testing, deploying, and supporting backend services for an enterprise E-Citations application.
The role requires strong expertise in .NET, C#, cloud-native development, secure APIs, workflow automation, enterprise integration, data engineering, DevOps, and production support. The consultant will work closely with Product, Engineering, iOS, QA, Infrastructure, Cybersecurity, Data, and Enterprise Integration teams to deliver secure, scalable, and production-ready backend solutions.
Key Responsibilities
- Design, develop, test, deploy, and support backend services and integrations for the E-Citations application.
- Build secure REST and SOAP APIs supporting iOS, .NET, enterprise, and legacy system integrations.
- Develop workflow automation, business rules, state-machine logic, and event-driven processing.
- Build resilient real-time, near-real-time, messaging, SFTP, and batch integrations using retry, idempotency, and deduplication patterns.
- Design and optimize relational and NoSQL data models.
- Develop ETL/ELT pipelines, audit logging, reporting integrations, and data-processing solutions.
- Implement authentication, authorization, RBAC, encryption, secrets management, and secure coding practices.
- Develop and maintain CI/CD pipelines, Infrastructure-as-Code, automated testing, logging, monitoring, and observability solutions.
- Troubleshoot complex application defects and production issues, perform root-cause analysis, and implement durable solutions.
- Participate in Agile sprint delivery, code reviews, testing, release activities, and technical documentation.
- Support production releases and critical operational issues, including occasional evening or weekend support when required.
- Collaborate with Product, iOS, QA, Infrastructure, Cybersecurity, Data, and Enterprise Integration teams.
- Independently execute complex backend development assignments and deliver high-quality production software.
Required Skills & Experience
- 5+ years of hands-on backend software engineering and enterprise application development experience.
- Strong expertise in C#, .NET, and ASP.NET Core.
- Strong experience designing and developing cloud-native backend services and APIs.
- Experience with at least one major cloud platform: Azure, AWS, or Google Cloud Platform.
- Hands-on experience with serverless and container technologies such as:
- Azure Functions
- AWS Lambda
- Kubernetes / AKS
- ECS / Fargate
- GKE
- Cloud Run
- Strong experience with event-driven and workflow technologies such as:
- Durable Functions
- Step Functions
- Temporal
- Kafka
- Azure Event Hub
- Google Pub/Sub
- SNS / SQS
- Strong enterprise integration experience involving:
- REST and SOAP
- API gateways
- SFTP / PGP
- Message queues
- Polling
- Retry mechanisms
- Idempotency
- Deduplication
- Strong understanding of OAuth 2.0, OIDC, JWT, RBAC/IAM, TLS, encryption, secrets management, and Secure SDLC practices.
- Strong data engineering experience with SQL Server and/or PostgreSQL.
- Experience with NoSQL platforms, data modeling, ETL/ELT, data warehousing, audit trails, and database performance tuning.
- Experience with Azure DevOps, Azure Government, GitHub Actions, GitLab CI/CD, Terraform, ARM/Bicep, CloudFormation, or equivalent DevOps technologies.
- Strong experience with automated testing, logging, monitoring, distributed tracing, and production diagnostics.
- Ability to independently handle complex backend development assignments and deliver production-quality software.
Preferred Experience
- Microsoft technology stack including:
- .NET / ASP.NET Core
- C#
- Azure Functions
- Azure SQL
- Azure API Management
- Mobile-to-backend integration, particularly with iOS applications.
- Experience with public-sector, public-safety, transportation, case-management, workflow-driven, or mission-critical enterprise applications.
- CJIS or comparable security and compliance environments.
- Power BI or similar operational reporting and analytics platforms.
- Legacy system integration and modernization.
- High-volume transaction processing and near-real-time enterprise integration.
Qualifications
- Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related discipline, or equivalent professional experience.
- Relevant Azure, AWS, security, or DevOps certifications are a plus.
- Strong communication, analytical, troubleshooting, and problem-solving skills.
- Ability to work effectively in an Agile engineering environment.
- Strong experience collaborating with cross-functional technical and business teams.
Core Technical Skills
- Backend Software Engineering .NET / C#
- Cloud Architecture & Development Azure / AWS / Google Cloud Platform
- REST API & Enterprise Systems Integration
- Workflow Automation & State-Machine Design
- Event-Driven Architecture & Messaging
- SQL / NoSQL & Data Modeling
- Transaction Integrity & Performance Optimization
- Security, IAM, Authentication & Encryption
- ETL/ELT & Data Integration
- DevOps, CI/CD & Infrastructure-as-Code
- Serverless & Containerized Application Development
- Secure File & Legacy Integration SFTP / SOAP / PGP
- Production Troubleshooting & Root-Cause Analysis
- Observability, Logging & Monitoring
- Automated Testing & Code Quality
- Mobile-to-Backend Integration
- Technical Documentation
- Agile Software Delivery & Code Reviews
- Public Safety / CJIS / Mission-Critical Systems
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