Highlights
Join a well-established organization seeking an Internal Applications Developer to support critical business, HR, payroll, finance, and administrative systems. This role offers the opportunity to design and develop custom applications, build enterprise integrations, and directly impact operational efficiency across the organization.
Numbers & Facts
| Location | Brooklyn, NY |
| Industry | Financial Services |
| Salary | $70,000–$75,000 Per Year |
| Company Size | 500 to 999 employees |
| Year Founded | 1994 |
| Website | http://www.cfstaffing.com/ |
Description
Title: Applications Developer
Salary: $70,000 - $75,000
Location: Brooklyn (hybrid after initial onboarding)
Join a well-established organization seeking an Internal Applications Developer to support critical business, HR, payroll, finance, and administrative systems. This role offers the opportunity to design and develop custom applications, build enterprise integrations, and directly impact operational efficiency across the organization.
Why This Opportunity Stands Out
- Build custom applications that directly support business-critical operations
- Work on enterprise integrations involving HR, payroll, and financial systems
- Opportunity to modernize legacy applications and architecture
- Collaborate closely with business leaders and department stakeholders
- Clear path for growth as internal systems and technology initiatives expand
- Hybrid work flexibility available after an initial onboarding period
What You'll Be Doing
- Design, develop, and maintain custom web applications and internal business tools
- Build and support API integrations between payroll, financial, student information, and other enterprise systems
- Create automated data validation and synchronization processes to ensure data accuracy and reliability
- Develop and optimize SQL Server databases, stored procedures, and data workflows
- Partner with HR, finance, and administrative teams to gather requirements and deliver user-friendly solutions
- Implement security controls, permissions, logging, and audit functionality within internal applications
- Troubleshoot application and data issues while enhancing existing systems and processes
Required Experience
- 2+ years of application development experience in a business or enterprise environment
- Strong experience with C# and the .NET platform (.NET Core/.NET 8)
- Experience developing applications with ASP.NET Core, MVC, Razor Pages, or Web API
- Strong SQL Server experience, including T-SQL development and stored procedures
- Experience working with REST APIs, webhooks, JSON, and third-party integrations
- Knowledge of HTML, CSS, and JavaScript for front-end application development
- Understanding of data validation, data integrity, error handling, and secure application design
- Ability to communicate effectively with both technical and non-technical stakeholders
- Bachelor's degree in Computer Science or related field, or equivalent industry experience
Preferred Experience
- Experience with ADP, NetSuite, HRIS, payroll, ERP, or financial systems
- Background developing internal business applications, reporting tools, or workflow automation solutions
- Experience deploying and supporting applications in IIS and Windows Server environments
- Knowledge of Git source control and modern development practices
- Experience with Entity Framework Core or ADO.NET
- Experience modernizing or migrating legacy .NET applications to ASP.NET Core
- Familiarity with authentication, role-based security, audit trails, and data privacy best practices
- Exposure to cloud platforms, scheduled jobs, background services, or data pipeline technologies
Ideal Candidate
- A hands-on developer who enjoys building practical solutions for internal users
- Detail-oriented with a strong focus on data accuracy and system reliability
- Comfortable working directly with business stakeholders to understand requirements
- Experienced in integrating multiple enterprise systems and applications
- A proactive problem-solver who can work independently and collaboratively
- Interested in contributing to long-term system modernization initiatives
Additional Details
- Full-time permanent position
- On-site in Brooklyn, NY during initial onboarding period
- Hybrid work arrangement available based on performance and business needs
- Comprehensive benefits package offered
- Retirement plan with employer contribution
- Tuition reimbursement and ongoing professional development opportunities
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About Company
Founded by CPA firms in 1994, Creative Financial Staffing has spent over 30 years helping job seekers and employers succeed. In fall 2025, we rebranded as CFS—a name that reflects our full range of expertise while staying true to the trusted company you know.
CFS is the industry’s leading employee-owned staffing firm, connecting top talent in accounting, finance, technology, and human resources. We provide skilled professionals on both a temporary and permanent basis across diverse industries, leveraging our extensive network to match the right people with the right opportunities.
Our dedication to excellence extends to our award-winning culture, recognized repeatedly for growth, recruiting, workplace environment, and employee support. Honors include Forbes’ “America’s Best Recruiting and Temporary Staffing Firms,” Staffing Industry Analysts’ top U.S. staffing rankings, FlexJobs’ Top 100 Companies for Remote and Hybrid Work, Top Workplaces USA, Newsweek’s Best Practices awards, and more.
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