Senior Application Developer

New York City Housing Development Corporation; New York (NY); On-site; USD 130,000 - 140,000; Full time

Job summary

The New York City Housing Development Corporation (HDC) seeks a Senior Application Developer to lead design and development of enterprise software, modernize a portfolio, and mentor developers. The role focuses on hands-on technical leadership, improving software quality, and adopting modern development practices.

The ideal candidate is an experienced .NET/C# developer with enterprise app expertise and a passion for mentoring others.

Qualifications

• Bachelor's degree or higher in CS/IS or related field.
• 7+ years of professional software development experience.
• Strong experience with C# and .NET in enterprise apps.
• Experience designing and consuming REST APIs.
• Strong OO programming and design pattern knowledge.
• Experience with Git or other distributed source control systems.
• Experience performing code reviews and mentoring other developers.
• Experience writing complex SQL queries for relational DBs.
• Experience troubleshooting and supporting enterprise applications.
• Excellent analytical, problem-solving, and communication skills.
• Ability to work independently while collaborating across teams.

Responsibilities

• Design, develop, document, test, and implement secure, scalable, and maintainable enterprise software solutions.
• Lead the modernization and enhancement of existing .NET applications.
• Participate in architecture and technical design discussions.
• Develop RESTful APIs and reusable components.
• Establish and promote software engineering best practices, coding standards, and patterns.
• Perform code reviews and mentor developers to improve code quality.
• Help implement and improve source control, branching, CI/CD pipelines, and SDLC practices.
• Evaluate and leverage AI-assisted development tools to improve productivity and quality.
• Collaborate with PMs, business stakeholders, and IT leadership to translate requirements.
• Troubleshoot complex issues and provide technical leadership during production support.
• Contribute to architectural standards and development guidelines.
• Develop solutions and integrations with Dynamics 365, Power Platform, SharePoint, and other business apps.

Skills

C#/.NET

REST APIs

OOP Principles

SQL

Git

Code Reviews

Mentoring

Communication

Education

Bachelor's degree in Computer Science, Information Systems, or related field

Tools

Git

Azure DevOps

CI/CD pipelines

Job description

The New York City Housing Development Corporation (HDC) is a public benefit corporation and the nation’s largest municipal Housing Finance Agency. HDC’s programs support the construction and preservation of multi-family affordable housing in New York City.

Area of Talent: IT/ Application Development

Position Type: Full Time/ Exempt

Salary Range: $130,000- $140,000

Position Summary:

The Applications Development team partners with business stakeholders across HDC to develop, enhance, and support enterprise applications that enable the Corporation's business operations.

The Senior Application Developer is a hands‑on technical leader responsible for designing and developing enterprise software solutions while helping establish engineering best practices across the Applications Development team. This role will play a key part in modernizing HDC's custom application portfolio, improving software quality and maintainability, mentoring other developers, and supporting the adoption of modern software development practices and tools.

The ideal candidate is an experienced .NET developer with strong software engineering fundamentals, experience working with enterprise business applications, and a passion for improving development processes and mentoring others.

This role reports to the Director of Application Development.

Job Responsibilities:

• Design, develop, document, test, and implement secure, scalable, and maintainable enterprise software solutions.
• Lead the modernization and enhancement of existing .NET applications.
• Participate in application architecture and technical design discussions.
• Develop RESTful APIs and reusable application components.
• Establish and promote software engineering best practices, coding standards, and design patterns.
• Perform code reviews and mentor developers to improve overall code quality and technical capability.
• Help implement and improve source control, branching strategies, CI/CD pipelines, and software development lifecycle (SDLC) practices.
• Evaluate and leverage AI‑assisted development tools to improve engineering productivity and software quality.
• Collaborate with project managers, business stakeholders, and IT leadership to translate business requirements into technical solutions.
• Troubleshoot complex application issues and provide technical leadership during production support activities.
• Contribute to technical documentation, architectural standards, and development guidelines.
• Develop solutions and integrations involving enterprise platforms such as Dynamics 365, Power Platform, SharePoint, Formstack, and other business applications as needed.
• Stay current with emerging Microsoft technologies and recommend improvements that align with HDC's technology strategy.

Required Qualifications:

• Bachelor's degree in Computer Science, Information Systems, or a related field.
• 7+ years of professional software development experience.
• Strong experience developing enterprise applications using C# and .NET.
• Experience designing and consuming REST APIs.
• Strong understanding of object‑oriented programming principles and software design patterns.
• Experience with Git or other distributed source control systems.
• Experience performing code reviews and mentoring other developers.
• Experience writing complex SQL queries and working with relational databases.
• Experience troubleshooting and supporting enterprise applications.
• Excellent analytical, problem‑solving, and communication skills.
• Ability to work independently while collaborating effectively across technical and business teams.

Preferred Qualifications

• Experience with Azure App Services and other Microsoft Azure services.
• Experience with Azure DevOps or comparable Agile development platforms.
• Experience modernizing legacy .NET applications.
• Experience implementing CI/CD pipelines.
• Experience with AI‑assisted software development tools such as GitHub Copilot, Claude, or similar technologies.
• Experience with Dynamics 365, Power Platform, SharePoint Online, or Microsoft 365 development.
• Familiarity with enterprise architecture and software modernization initiatives.
• Experience working within government, public sector, housing, financial services, or similarly regulated organizations.
• Relevant Microsoft or Azure certifications.

HDC demonstrates a strong commitment to its employees by providing a salary that is competitive and commensurate with experience and excellent benefits, including:

• Health Benefits at a reasonable cost
• Dental and Vision Benefits at no cost
• Retirement savings plan with a generous match and a pension plan
• Paid holiday, vacation, sick time and parental leave
• Public Service Loan Forgiveness for eligible employees
• Wellness reimbursement
• Back-up Caregiver Benefit

HDC 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.

HDC is committed to the full inclusion of all qualified individuals. As part of this commitment, HDC will ensure that persons with disabilities are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact Human Resources by emailing [e-mail].