Contract hiring
Title: Senior Backend Software Engineer / .Net Consultant
Location: Broadway, NY (Hybrid 3 days onsite in a week)
Duration: 12+ months
Interview Mode: Video
Client: MTA
Position Overview
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 within 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.
Build 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 directly in sprint delivery, code reviews, testing, releases, and technical documentation.
Support production releases and critical operational issues, including occasional evening or weekend support when required.
Collaborate closely with Product, iOS, QA, infrastructure, cybersecurity, data, and enterprise integration teams to deliver working solutions.
Required Skills
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, or Cloud Run.
Strong experience with event-driven and 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 SDLC practices.
Strong data engineering experience with SQL Server/PostgreSQL, NoSQL platforms, data modeling, ETL/ELT, data warehousing, audit trails, and performance tuning.
Experience with Azure DevOps, Azure Government, GitHub Actions, GitLab CI/CD, Terraform, ARM/Bicep, CloudFormation, or equivalent DevOps tooling.
Strong experience with automated testing, logging, monitoring, distributed tracing, and production diagnostics.
Ability to independently execute complex backend development assignments and deliver high-quality production software.
Preferred Experience
Microsoft technology stack: .NET/ASP.NET Core, C#, Azure Functions, Azure SQL, Azure API Management.
Mobile-to-backend integration, particularly iOS applications.
Public-sector, public-safety, transportation, case-management, workflow-driven, or other mission-critical enterprise applications.
CJIS or comparable security/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.
Additional Skills and Information: 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, ideally iOS
Automated Testing & Code Quality Practices
Technical Documentation
Agile Software Delivery & Code Reviews
Public Safety / CJIS / Mission-Critical Systems
To apply for this job email your details to annu.kumari@anviktek.com