Senior Full-Stack Developer (26-00244)

Senior Full stack Developer

Position Details:

• Location: 42-09 28th street LIC (In-person).
• Duration: 1 Year.
• Hours per Week: 40.
• Interview Process: in-office, possibly two rounds.
• Please include candidate rates in your submission

Job Title: Senior Full-Stack Developer

Department: NYC Department of Health and Mental Hygiene (DOHMH) Division: Information Technology
Bureau: IT App & Platform Engineering
Location: Long Island City, NY

Summary of Position: We are seeking an experienced Senior Full-Stack Developer with strong expertise in .NET, C#, Angular, SQL, Azure, cloud services, data engineering, and enterprise integrations.
The ideal candidate will be a hands-on engineer who can design, develop, test, integrate, deploy, and support complex enterprise applications. This person should be comfortable working across API development, front-end development, databases, messaging, serverless computing, data platforms, and system integrations.

Job Duties:
Design, develop, test, and maintain high-quality .NET / C# REST APIs.
Develop modern, scalable front-end applications using Angular and TypeScript.
Design and implement complex SQL queries, stored procedures, views, functions, and database solutions.
Analyze and optimize SQL queries and database performance.
Build integrations between internal applications, third-party systems, databases, and cloud services.
Develop event-driven integrations using Azure Service Bus, including queues, topics, subscriptions, and message processing.
Develop and maintain Azure Functions for APIs, background processing, scheduled jobs, and integrations.
Work with Azure Databricks and Databricks notebooks for data processing, transformation, and integration.
Develop data pipelines and integrations between applications, databases, APIs, and data platforms.
Work with both synchronous and asynchronous integration patterns.
Integrate with REST APIs, SOAP services, databases, files, messaging systems, and third-party applications.
Develop robust error handling, retry mechanisms, logging, monitoring, and alerting for integrations.
Write comprehensive unit, integration, API, and data-level tests.
Troubleshoot application, API, database, messaging, and integration issues.
Participate in code reviews and maintain high standards for code quality and security.
Work with Azure DevOps and CI/CD pipelines for automated build, testing, and deployment.
Collaborate with architects, developers, QA engineers, data engineers, and business stakeholders.
Support applications in development, test, and production environments.
Identify opportunities to improve performance, scalability, reliability, and maintainability.

Qualifications and Requirements:
7+ years of professional software development experience.
Strong hands-on experience with C#, .NET, and ASP.NET Core.
Strong experience designing and developing REST APIs.
Strong experience with Angular and TypeScript.
Advanced SQL skills, including:
Complex queries and joins
Stored procedures
Views and functions
Query optimization
Indexing and performance tuning
Data validation and troubleshooting
Large-volume data processing
Strong experience with enterprise application integration.
Experience integrating applications using:
REST APIs
SOAP/web services
SQL/database integrations
JSON/XML
File-based integrations
Messaging/event-based integrations
Third-party APIs
Strong experience with Azure Service Bus.
Strong experience developing Azure Functions.
Hands-on experience with Azure Databricks and Databricks notebooks.
Experience with Python and/or SQL in Databricks.
Strong understanding of asynchronous processing and event-driven architecture.
Experience with Git, Azure DevOps, CI/CD, and automated deployments.
Strong experience writing unit and integration tests.
Strong understanding of object-oriented programming, SOLID principles, design patterns, and clean architecture

Education and Experience:
Azure Data Factory or similar data integration technologies.
Azure Storage, Key Vault, Application Insights, and other Azure services.
Microservices architecture.
Enterprise integration patterns.
Data pipelines and ETL/ELT processes.
Python development.
Docker and containerization.
Infrastructure as Code using Terraform, Bicep, or ARM.
API security, OAuth 2.0, JWT, and authentication/authorization.
Performance tuning for APIs, applications, and databases.
Production support and incident troubleshooting.