Senior Application Developer

City of New York; New York (NY); On-site; USD 110,000 - 160,000; Full time

Job summary

City of New York seeks a Senior Application Developer (Computer Specialist - Software) to own the technical direction of enterprise applications within DCAS IT. You will mentor staff, drive architectural decisions, and work with stakeholders and vendor teams to modernize platforms managed by the DCAS IT group.

You will design scalable web apps on Azure, implement CI/CD pipelines, and ensure security, performance, and reliability across critical citywide systems.

Qualifications

• A baccalaureate degree from an accredited college with 24 semester credits in CS or a related field and 2 years of software experience or
• A high school diploma with 6 years of software experience as described above, including leadership on complex projects; or
• A combination of education and experience equivalent to the above, with substitutions allowed per policy.

Responsibilities

• Design and implement scalable, secure web applications on the Microsoft Azure stack.
• Own the technical direction of enterprise .NET solutions across front-end, middle, and back-end tiers.
• Lead architectural reviews and establish coding standards and best practices.
• Mentor junior and mid-level developers through code reviews and guidance.
• Translate complex business requirements into technical designs and development tasks.
• Build and maintain integrations with enterprise systems, RESTful APIs, and cloud services.

Skills

Leadership & mentoring

Technical communication

Project leadership

Education

Bachelor's degree in Computer Science or related field

Tools

Azure DevOps

Jira

Docker

Azure Data Factory

Azure OpenAI

Cosmos DB

SQL Server

RESTful APIs

Job description

DCAS's mission is to make city government work for all New Yorkers. From managing New York City's most iconic courthouses and municipal buildings, to purchasing over $1 billion annually in goods and services for more than 80 City agencies. What we do ensures that all agencies can deliver on their mission. Our reach

Touches Every Facet Of City Government And Is Instrumental To The Successful Day-to-day Operations Of The City Of New York. Our Commitment To Equity, Effectiveness, And Sustainability Guides Our Work Providing City Agencies With The Critical Resources And Support Needed To Succeed, Including

• Recruiting, hiring, and training City employees.
• Managing 56 public buildings.
• Acquiring, selling, and leasing City property.
• Purchasing over $1 billion in goods and services for City agencies.
• Overseeing the greenest municipal vehicle fleet in the country.
• Leading the City's efforts to reduce carbon emissions from government operations.

When you work at DCAS, you're not just working for one agency, but in service to all of them. It's an opportunity to provide meaningful support, quality customer service, and help protect the future of New York City for generations to come. Visit our website at NYC.GOV/DCAS to learn more about the work we do.

DCAS Information Technology works in conjunction with the NYC Office of Technology and Innovation (OTI) on the daily management and support of the DCAS computer network. DCAS IT team members are responsible for the agencies software and hardware needs, the development and maintenance of applications, maintenance of the DCAS internet and intranet (DCASConnect) sites, the DCAS Help Desk, telecommunications services and equipment for DCAS employees, and the Cyber Security program to thwart any attempts at unauthorized access to the network.

The candidate selected for this role will be a Senior Application Developer responsible for owning the technical direction of enterprise applications, mentoring development staff, and driving architectural decisions. The candidate will work closely with stakeholders and vendor teams to transition and modernize platforms managed by the DCAS internal team, in addition to providing technical leadership and coverage for other critical citywide systems.

Additional Functions Will Include

• Design and implement scalable, secure, and high-performance web applications on the Microsoft Azure technology stack.
• Own the technical direction of enterprise .NET solutions across front-end, middle, and back-end tiers.
• Lead architectural reviews and establish coding standards and best practices across the development team.
• Mentor junior and mid-level developers through code reviews, pair programming, and technical guidance.
• Independently translate complex business requirements into technical designs and actionable development tasks.
• Build and maintain integrations with enterprise systems, RESTful APIs, and cloud services.
• Implement and maintain CI/CD pipelines and automate development and deployment processes.
• Conduct requirements gathering and collaborate effectively with non-technical stakeholders.
• Perform quality assurance testing, write unit and integration tests, and identify bugs and performance issues.
• Scale applications and optimize performance to meet business requirements and SLAs.
• Lead the successful delivery, maintenance, and long-term enhancement of production systems.
• Perform user support and application maintenance for critical citywide systems.
• Produce and maintain technical documentation and contribute to the agency’s broader IT standards.
• Research emerging technologies and recommend solutions aligned with agency goals and security standards.

Only permanent employees in the civil service title of Computer Specialist (Software) or those reachable on exam #5056 are eligible to apply.

COMPUTER SPECIALIST (SOFTWARE) - 13632

Minimum Qualifications

• 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
• 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
• 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.

Preferred Skills

The preferred candidate will bring the following skills and experience to this position:

• Agile/Scrum development practices and experience with tools such as Jira or Azure DevOps.
• Experience with data integration and ETL processes familiarity with Azure Data Factory or SSIS.
• Experience with AI/ML integration, including Azure OpenAI, Cognitive Services, or similar.
• Familiarity with Microsoft Copilot Studio or other low-code/no-code AI orchestration tools.
• Knowledge of NoSQL databases such as Azure Cosmos DB or MongoDB.
• Knowledge of WCAG accessibility standards and Section 508 compliance.
• 9+ years of designing, building, and deploying secure enterprise applications using .NET (.NET 6+, ASP.NET Core, Entity Framework Core).
• 7+ years of experience in object-oriented design, system architecture, and relational database systems including SQL Server.
• 6+ years of experience using JavaScript/TypeScript and modern frontend frameworks such as Angular, React, or Blazor.
• 6+ years of experience building, consuming, and securing RESTful APIs and web services.
• 6+ years of hands-on experience with Microsoft Azure (App Services, Azure Functions, Service Bus, Key Vault, Application Insights), including designing for high availability, disaster recovery, and cost optimization.
• Demonstrated experience in technical leadership: mentoring developers, conducting code reviews, and driving architectural decisions.
• Experience with system design and architecture, including scalability, fault tolerance, and security patterns.
• Experience with containerization tools such as Docker.
• Proven experience implementing CI/CD pipelines using Azure DevOps or GitHub Actions.
• Strong knowledge of modern authentication standards including OAuth 2.0, OpenID Connect, and Azure Active Directory / Entra ID.
• Ability to independently translate business requirements into technical designs and communicate effectively with non-technical stakeholders.
• Experience writing unit tests, integration tests, and identifying performance issues.
• Experience deploying and supporting production applications in cloud or hybrid environments.

55a Program

This position is also open to qualified persons with a disability who are eligible for the 55-a Program. Please indicate at the top of your resume and cover letter that you would like to be considered for the position through the 55-a Program.

Public Service Loan Forgiveness

As a prospective employee of the City of New York, you may be eligible for federal loan forgiveness programs and state repayment assistance programs. For more information, please visit the U.S. Department of Education’s website at https://studentaid.gov/pslf/.

Residency Requirement

New York City Residency is not required for this position.

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