This is a fully onsite position based in Mahwah, New Jersey. Remote and hybrid work arrangements are not available. Candidates must be able and willing to work in the Mahwah office five days per week.

About SAYDAR SAYDAR is entering an exciting stage of growth, and we are looking for a Senior Full-Stack Software Developer to help expand the financial and operational capabilities of our platform. This is an opportunity to join a highly motivated engineering team with a strong, well-maintained codebase, reliable infrastructure, and a solid technical foundation already in place. You will focus on building scalable solutions that connect supply chain operations with financial workflows, helping accounting and operations teams manage complex processes more efficiently within one platform.

NET Core, C#, SQL, Entity Framework, Angular, and NGRX. You will also help connect SAYDAR with accounting and ERP platforms such as QuickBooks, NetSuite, SAP, and Microsoft Dynamics.

Requirements

into practical technical solutions. We are looking for someone who enjoys owning projects from database to user interface, solving complex financial workflow challenges, mentoring other developers, and building systems designed to support continued growth.

into scalable, maintainable technical solutions Collaborate with cross-functional teams including finance, operations, and product to define

NET for backend services, SignalR or similar realtime communication frameworks.

Responsibilities

: 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

Qualifications

: Must be able to work fully onsite in Mahwah, New Jersey, five days per week. This position is not remote or hybrid.

Senior Full-Stack Software Developer – Finance & ERP Integration