Senior Full-Stack Software Developer – Finance & ERP Integration

United States·Mahwahsenior

OtherFull Stack Software Developer

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Quick Summary

Key Responsibilities

Design, develop, and maintain full-stack web applications using ASP.NET, .NET Core, C#, SQL,

Requirements Summary

Design, develop, and maintain full-stack web applications using ASP.NET, .NET Core, C#, SQL,

Technical Tools

OtherFull Stack Software Developer

Requirements

~1 min read

Must be able to work fully onsite in Mahwah, New Jersey, five days per week.
This position is not remote or hybrid.
7+ years of professional software development experience with strong hands-on expertise in full-stack or backend development
Demonstrated experience building software tools, modules, or platforms used by finance or accounting departments — invoicing, cost management, reconciliation, financial reporting, or ERP integration
Strong proficiency in ASP.NET, .NET Core, C#, SQL, and Entity Framework
Experience building and consuming RESTful APIs, including integrations with financial or ERP systems
Experience developing front-end applications using Angular and NGRX
Solid understanding of financial workflows, accounting principles, and how they translate into software requirements
Familiarity with Git and modern version control workflows
Strong problem-solving skills, attention to detail, and the ability to own projects end-to-end with minimal oversight
Excellent communication and collaboration skills — you can speak to both engineers and finance stakeholders clearly

Responsibilities

~1 min read

→Design, develop, and maintain full-stack web applications using ASP.NET, .NET Core, C#, SQL, and Entity Framework across SAYDAR's supply chain and financial modules
→Architect and build ERP-adjacent features that enable accounting teams to manage invoicing, cost tracking, financial reconciliation, and reporting directly within the SAYDAR platform
→Develop and maintain RESTful APIs and backend services that power both internal operations and external integrations, including accounting systems such as QuickBooks, NetSuite, or SAP
→Build and enhance responsive front-end interfaces using Angular and NGRX, with a focus on financial dashboards, reporting tools, and operational workflows
→Integrate front-end components with backend APIs to deliver seamless, intuitive experiences for finance and operations users
→Translate complex financial and accounting requirements into scalable, maintainable technical solutions
→Collaborate with cross-functional teams including finance, operations, and product to define requirements, architecture, and technical solutions
→Conduct code reviews and contribute to raising development standards and best practices across the engineering team
→Troubleshoot and resolve issues across the full application stack including database, API, and UI layers
→Participate in Agile development processes including sprint planning, standouts, and retrospectives
→Serve as a technical resource and mentor for mid-level and junior developers on the team

Angular for frontend development,
NGRX for state management,
C#/.NET for backend services,
SignalR or similar realtime communication frameworks.

Nice to Have

~1 min read

Experience working on supply chain, logistics, inventory, or operational platforms
Prior experience integrating with accounting platforms such as QuickBooks, NetSuite, SAP, or Microsoft Dynamics
Background working in or alongside finance, accounting, or operations teams in a product or consulting capacity
Experience in a startup or high-growth environment where ownership and adaptability are essential

Salary Range (commensurate with experience)

$135,000—$160,000 USD