Senior Backend Software Engineer - 26-10222

Job Description

Job Description

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 GCP .
• 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 / GCP
• 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