Technical Lead / Senior Developer

Technical Lead / Senior Developer

Location: Hybrid – NYC, NY

We are seeking a highly skilled Technical Lead / Senior Developer with a strong background in designing and delivering enterprise-grade software solutions. The ideal candidate will bring deep technical expertise, hands-on development experience, and the ability to lead technical discussions and drive innovation. This role involves end-to-end ownership of solution design, development, testing, and deployment in an Agile environment, particularly within health data systems and secure cloud-based architectures. The NYC Department of Health and Mental Hygiene (DOHMH) seeks a Technical Lead / Senior Developer to provide ongoing maintenance, enhancement, and modernization support for the eSHARE system, a centralized web-based application that serves as the city's primary data capture and reporting platform for HIV-related services under Ryan White, Prevention, Testing, Housing, and Clinical operations programs.

Key Responsibilities

• Solution Design & Architecture - Design scalable, secure, and high-performance solutions using Microsoft .NET technologies, ensuring alignment with enterprise standards and best architectural practices.
• Technical Leadership - Provide technical oversight across the SDLC, mentor junior developers, and drive engineering excellence and innovation within the team.
• Development & Coding - Develop, code, and test software components using C#, ASP.NET (Web Forms/MVC/Core), and modern JavaScript frameworks such as Angular or React.
• API & Integration Development - Design and implement RESTful Web APIs for data integration and interoperability across internal and external systems, including health data systems.
• Cloud & DevOps Enablement - Leverage Microsoft Azure for cloud-based deployment, including the use of Azure App Services, Functions, SQL Databases, and storage solutions. Collaborate with DevOps teams to implement CI/CD pipelines, containerization (Docker), and release automation.
• Database Development - Design, query, and optimize databases using SQL Server, ensuring data integrity, performance, and compliance with privacy/security regulations such as HIPAA.
• Agile Collaboration - Participate in Agile ceremonies (sprint planning, retrospectives, stand-ups), contribute to story refinement, and ensure timely delivery of high-quality software increments.
• Innovation & Continuous Improvement - Research emerging technologies, propose technical improvements, and contribute to the evolution of software engineering standards and frameworks.

Required Skills & Qualifications

• Bachelor's degree in Computer Science, Information Systems, or related field.
• 6+ years of experience in software design, development, and delivery using Microsoft technologies.
• Proficiency in:
  • ASP.NET Web Forms, MVC, and.NET Core
  • C# and Web API development
  • Angular or React.js
  • HTML5, CSS3, jQuery, JSON
  • Azure Cloud Services and DevOps pipelines
  • SQL Server (stored procedures, triggers, performance tuning)
  • Docker and containerized deployments
• Experience with health data systems, interoperability standards (HL7, FHIR, etc.), or data privacy regulations (HIPAA).
• Strong problem-solving, debugging, and analytical skills.
• Excellent communication and collaboration abilities, with a focus on technical leadership and cross-functional coordination.

Preferred Qualifications

• Experience integrating with third-party health or case management systems.
• Familiarity with microservices architecture and API gateway frameworks.
• Exposure to CI/CD tools such as Azure DevOps, GitHub Actions, or Jenkins.
• Certifications in Azure or.NET development are a plus.