Weekend Application Developer Jobs in New York (NOW HIRING)

Company Description
Job Description
***IMPORTANT NOTE: Only those currently serving as a permanent or probable permanent, i.e. probationary, Computer Specialist will be considered. ***
The NYC Department of Environmental Protection (DEP) enriches the environment and protects public health for all New Yorkers by providing 1.1 billion gallons of high quality drinking water, managing wastewater and stormwater, and reducing air, noise, and hazardous materials pollution. DEP is the largest combined municipal water and wastewater utility in the country, with nearly 6,000 employees. DEP's water supply system is comprised of 19 reservoirs and 3 controlled lakes throughout the system's 2,000 square mile watershed that extends 125 miles north and west of the City.
The Bureau of Wastewater Treatment (BWT) operates and maintains critical wastewater infrastructure across all five boroughs, including 14 Wastewater Resource Recovery Facilities, over 90 pumping systems, combined sewer overflow facilities, and more. BWT is undergoing a digital transformation focused on four pillars: Application Development, IT Support and Cybersecurity, Asset Management, and SCADA Support and Development. This transformation aims to modernize operations and improve resilience, efficiency, and data-driven decision-making.
The Software Development and Support Section within the Bureau of Wastewater Treatment (BWT) serves as the bureau's in-house technology unit responsible for designing, building, deploying, and sustaining the enterprise applications that support wastewater operations across New York City's 14 Water Resource Recovery Facilities. The section develops and supports custom applications tailored to BWT's operational and administrative workflows. In addition to new development, the section maintains, modernizes, and migrates legacy applications to current technology stacks (SQL Server, Node.js/Express, modern front-end frameworks), ensures secure integration with NYC DEP and citywide identity and infrastructure standards, and provides end-user support, training materials, and technical documentation for plant staff, engineers, and bureau management. Through this combination of custom development, application support, security hardening, and continuous improvement, the Software Development and Support Section enables BWT to operate more efficiently, meet regulatory and reporting obligations, and deliver consistent wastewater treatment services to the City of New York.
Job duties include but not limited:
-Design, develop, and maintain end-to-end full-stack applications using .NET technologies, Angular, and SQL Server, supporting both front-end user interfaces and backend services.
-Develop modern, responsive user interfaces using Angular, HTML5, CSS3, and JavaScript/TypeScript, ensuring a user-friendly and accessible experience.
-Build and maintain RESTful APIs and microservices to support scalable, secure, and modular enterprise applications.
-Design and optimize SQL Server databases, including stored procedures, views, and queries to ensure data integrity, performance, and reliability.
-Develop and maintain data visualization, reports, and dashboards using Power BI and SQL Server Reporting Services (SSRS) to support operational and business decision-making.
-Implement and maintain data integration and ETL processes using SQL Server Integration Services (SSIS) to support application and reporting needs.
-Develop and support internal workflow and business applications using Microsoft Power Platform tools such as PowerApps.
-Collaborate with technical teams and business stakeholders to gather requirements, analyze business needs, and translate them into functional and technical solutions.
-Troubleshoot, debug, and resolve application, database, and integration issues to ensure system reliability and performance.
-Participate in code reviews, testing, deployment, and continuous improvement processes to maintain high software quality standards.
-Maintain technical documentation, including system design, architecture diagrams, and operational procedures.
-Stay current with emerging technologies, development frameworks, and industry best practices to support continuous innovation and system improvement.
COMPUTER SPECIALIST (SOFTWARE) - 13632
Qualifications
(1) A baccalaureate degree from an accredited college, including or supplemented by twenty-four (24) semester credits in computer science or a related computer field and two (2) years of satisfactory full-time software experience in designing, programming, debugging, maintaining, implementing, and enhancing computer software applications, systems programming, systems analysis and design, data communication software, or database design and programming, including one year in a project leader capacity or as a major contributor on a complex project; or
(2) A four-year high school diploma or its educational equivalent and six (6) years of full-time satisfactory software experience as described in "1" above, including one year in a project leader capacity or as a major contributor on a complex project; or
(3) A satisfactory combination of education and experience that is equivalent to (1) or (2) above. College education may be substituted for up to two years of the required experience in (2) above on the basis that sixty (60) semester credits from an accredited college is equated to one year of experience. A masters degree in computer science or a related computer field may be substituted for one year of the required experience in (1) or (2) above. However, all candidates must have a four year high school diploma or its educational equivalent, plus at least one (1) year of satisfactory full-time software experience in a project leader capacity or as a major contributor on a complex project.
NOTE: In order to have your experience accepted as Project Leader or Major Contributor experience, you must explain in detail how your experience qualifies you as a project leader or as a major contributor. Experience in computer operations, technical support, quality assurance (QA), hardware installation, help desk, or as an end user will not be accepted for meeting the minimum qualification
requirements.
Special Note
To be eligible for placement in Assignment Level IV, in addition to the Qualification Requirements stated above, individuals must have one year of satisfactory experience in a project leader capacity or as a major contributor on a complex project in data administration, database management systems, operating systems, data communications systems, capacity planning, and/or on-line applications programming.
Additional Information
The City of New York is an inclusive equal opportunity employer committed to recruiting and retaining a diverse workforce and providing a work environment that is free from discrimination and harassment based upon any legally protected status or protected characteristic, including but not limited to an individual's sex, race, color, ethnicity, national origin, age, religion, disability, sexual orientation, veteran status, gender identity, or pregnancy.