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Senior Back-End Developer / Sr. Database Developer
Ariel PartnersLong Island City, United Statesfull_timeVerifiedPosted 31 Oct 2025
About the role
The NYC Department of Health and Mental Hygiene (DOHMH) seeks a Senior Back-End Developer to support the maintenance, enhancement, and performance optimization of the eSHARE system—a centralized data capture and reporting platform that facilitates the collection of HIV-related services data under Ryan White, Prevention, Testing, Housing, and Clinical operations programs.
The Senior Back-End Developer will be responsible for developing and optimizing SQL-based back-end systems, designing complex stored procedures, and managing data warehousing and reporting processes that ensure data accuracy, reliability, and scalability. This role requires deep technical expertise in Microsoft SQL Server and experience supporting public health or healthcare data systems with strong data governance and compliance requirements.
KEY RESPONSIBILITIES
REQUIRED SKILLS & QUALIFICATIONS
PREFERRED QUALIFICATIONS
The Senior Back-End Developer will be responsible for developing and optimizing SQL-based back-end systems, designing complex stored procedures, and managing data warehousing and reporting processes that ensure data accuracy, reliability, and scalability. This role requires deep technical expertise in Microsoft SQL Server and experience supporting public health or healthcare data systems with strong data governance and compliance requirements.
KEY RESPONSIBILITIES
- Database Development & Maintenance - Design, develop, and maintain complex stored procedures, functions, and triggers to support data collection, validation, and reporting functions within the eSHARE system.
- Performance Optimization - Analyze, troubleshoot, and resolve performance bottlenecks in SQL queries, indexes, and execution plans. Implement database tuning and query optimization strategies to ensure efficient data processing at scale.
- ETL and Data Integration - Develop and manage ETL workflows for data ingestion and transformation between eSHARE and other systems, ensuring data integrity and consistency across multiple health program databases.
- Reporting & Data Warehousing - Design and maintain database schemas and data marts to support complex reporting, dashboards, and analytics requirements across multiple HIV-related programs.
- Quality Assurance & Data Validation - Create and maintain data validation routines to ensure completeness and accuracy of public health data in compliance with federal reporting requirements (e.g., Ryan White Services Report [RSR]).
- Security & Compliance - Implement secure database access controls and support data governance activities to maintain HIPAA and CJIS compliance for health data.
- Collaboration & Documentation - Work closely with application developers, data analysts, and program managers to design back-end solutions that meet program needs. Document database designs, ETL logic, and operational processes for ongoing maintenance and audits.
REQUIRED SKILLS & QUALIFICATIONS
- Bachelor’s degree in Computer Science, Information Systems, or a related field.
- 7+ years of experience in database design, development, and performance optimization.
- Strong expertise in:
- Microsoft SQL Server (2016 or later)
- Advanced T-SQL programming, including complex stored procedures, functions, triggers, and query logic
- Query optimization, index tuning, and performance troubleshooting
- Database design and normalization principles
- Data extraction, transformation, and loading (ETL) workflows
- Experience with data warehousing, reporting, and health data systems supporting large-scale public health or clinical programs.
- Demonstrated experience working with data privacy and security standards, including HIPAA and PII data handling.
- Strong analytical, diagnostic, and problem-solving abilities.
PREFERRED QUALIFICATIONS
- Experience with eSHARE, AIRS, or other public health data management systems.
- Familiarity with HL7, FHIR, or other healthcare data exchange standards.
- Experience using Azure SQL Database, SSIS, or Data Factory for ETL and integration.
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