Senior Developer, MS Dynamics 365 F&O

At Cortland, we operate with a forward-thinking approach that challenges conventional norms and actively seeks insights beyond traditional industry boundaries. As a recognized leader in the multifamily sector, our focus on performance, innovation, and disciplined execution continues to drive strong growth and market leadership. We are committed to building a best-in-class organization by empowering top talent with the resources, autonomy, and support needed to deliver results and advance their careers in a high-performance environment.

The onsite Senior Developer is responsible for the ongoing development, integration and support of Microsoft Dynamics 365 Finance & Operations  role joins during the current F&O implementation, which provides a structured ramp into the platform, the solution design and Cortland's financial processes, and owns F&O development after go live. The role leads offshore developers and partners with the Senior Technical/Functional Lead on solution design.

Analysis and Solution Design Translate functional designs into detailed technical designs and build plans. Assess the technical impact of proposed customizations on financial data integrity, such as how an extension affects ledger posting, financial dimensions, or downstream data entities, in addition to standard technical feasibility. Provide effort estimates for enhancements, integrations, and technical development activities. Identify design and build risks early and recommend practical alternatives.

Development Independently design, develop, and implement customizations, extensions, integrations, and reports within D365 F&O, using extension patterns (Chain of Command, event handlers, table extensions) rather than over-layering. Build and maintain data entities and DMF packages for data integration and bulk data operations, including staging tables and validation rules. Implement Business Events and Dataverse dual-write / virtual entity integrations, working alongside the Enterprise Integration & Automation (EIA) team where needed.

Prepare detailed technical design documentation prior to development. Follow established development standards, best practices, and quality expectations. Support environment management, code migration, build processes, and deployment activities. Testing, Deployment, and Support Perform unit testing to ensure developed solutions meet quality standards before delivery, including checks that ledger postings and financial dimension data remain correct and balanced. Troubleshoot issues, execute application traces, and perform performance tuning as needed.

Provide ongoing production support, issue resolution and enhancement delivery. Leadership and Collaboration Mentor junior team members and support team development. Foster a collaborative, solution-oriented, and service-focused team environment. Qualifications Bachelor's degree in Information Systems, Computer Science, Engineering, Business, or a related field required; equivalent relevant experience may be considered.
5+ years of hands-on technical experience with Microsoft Dynamics 365 Finance & Operations, including development, integrations, and deployment support.

Demonstrated experience building or extending at least two of the following financial modules:
General Ledger, Accounts Payable, Accounts Receivable, Fixed Assets, Cash and Bank Management, or Project Accounting.

Experience working in project-based environments with direct interaction with business and functional stakeholders.

Prior experience leading technical work streams or mentoring junior resources preferred.

Real estate, property management, or fund accounting industry experience preferred, but not required.

Strong analytical, problem-solving, and technical…