Senior Finance Systems Software Developer (Payment & ERP Integrations, ERP & Custom Applications)

Benefits

• 401(k)
• Dental insurance
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Vision insurance

Responsibilities

• Attend a daily 8:45 AM team virtual check-in meeting (non-negotiable).
• All virtual meetings require video enabled (non-negotiable).
• Develop responsive, user-friendly web applications.
• Collaborate directly and independently with the business Subject Matter Expert when building or enhancing an application.
• Maintain and improve existing web applications and create maintenance documentation as needed.
• Ensure consistent design standards across platforms.
• Optimize applications for performance and scalability.
• Contribute to UI/UX design decisions and implement improvements based on user needs and feedback.
• Assist with archiving existing application source code on DevOps from SVN and generate documentation as required by the FIN IT Chief or Department IT Expert Software Developer.

Requirements

• At least 7 years of hands-on experience supporting and maintaining legacy high-code applications with little to no documentation based on source code, with work performed in the last 5 years.
• At least 7 years of hands-on development in the Finance-Technology domain, including payments, reconciliation, billing, or financial transaction processing systems; at least one relevant project completed within the last 3 years.
• At least 5 years of hands-on system integration experience with Tyler Technologies MUNIS or a comparable Enterprise ERP platform, including API, database, or file-based integrations, data mapping, and troubleshooting.
• At least 3 years of recent hands-on system integration experience with the Paymentus platform, including implementation, configuration, testing, or troubleshooting of payment redirects and iframe integrations in UAT or production environments.
• At least 7 years of hands-on UI/UX development for custom applications based on user input, incorporating modern responsive design; at least 3 years of this within the last 5 years, with demonstrable improvements.
• HTML and CSS
• CSS frameworks such as Bootstrap or Tailwind
• JavaScript
• Responsive, mobile-first design principles
• UX and UI design to improve user flows
• C#, ASP.NET WebForms, MVC, ASP.NET Core
• Azure Entra ID and Azure AD B2C
• Use of AI for software development
• System integration and interface development
• Microsoft SQL Server
• Microsoft system administration (Operating Systems, IIS, networking)
• Ability to quickly learn new technology
• Knowledge of Microsoft DevOps for software development
• Complex problem-solving skills related to financial business problems
• Ability to work independently and collaboratively
• Strong communication and documentation skills

Technologies

• Tyler Technologies MUNIS
• Paymentus
• HTML
• CSS
• Bootstrap
• Tailwind
• JavaScript
• C#, ASP.NET WebForms, ASP.NET MVC, ASP.NET Core
• Azure Entra ID
• Azure AD B2C
• AI for software development
• System integration and interfaces
• Microsoft SQL Server
• IIS
• SVN
• Microsoft DevOps

Location

This is an on-site position based in Rockville, Maryland in Montgomery County.