DocuPhase LLC

Compensation

Full Description

About the Role: We are seeking an experienced Senior Software Engineer to join our software development team working on mission-critical financial technology applications. You will be responsible for developing and maintaining large-scale invoice processing, accounts payable, and document management systems serving enterprise clients across multiple industries. The ideal candidate brings hands-on experience in financial or B2B software, with a strong understanding of AP/AR workflows, Payments systems, and broader Finance domain processes. Finance Domain Experience - Strongly Preferred: Given the nature of our core products — invoice processing, vendor payment management, and AP automation — we place significant value on candidates with real-world experience in: * Accounts Payable (AP) and/or Accounts Receivable (AR) software development or operational systems * Payments platforms including ACH, wire transfer, virtual card, and payment processing workflows * Invoice processing, purchase orders, remittance processing, and B2B document exchange (EDI) * Financial Technology (FinTech) products serving enterprise or mid-market clients * ERP integrations — SAP, Oracle, NetSuite, QuickBooks, Microsoft Dynamics, or similar platforms * Audit trail design, financial data integrity, and compliance-aware software development * Spend management, treasury operations, or general ledger (GL) system connectivity Technical Skills: Core .NET Technologies * Advanced C# and VB.NET proficiency — mixed-language enterprise codebase * .NET Framework 4.6–4.8 — extensive experience with legacy .NET Framework applications * .NET 6/7/8 — modern .NET development for new platform initiatives  * ASP.NET Web Forms and MVC — maintain and enhance hybrid web applications * ASP.NET Web API — build and maintain RESTful services and integrations * Entity Framework — data access and ORM patterns (Code First and Database First) * Windows Services — background processing services for document workflow automation Web Technologies * Blazor Server — build modern web UIs for SaaS platform * AngularJS — maintain existing frontend components * JavaScript/jQuery — legacy frontend maintenance with jQuery UI and validation * XSLT transformations — XML-based templating systems * Telerik UI Components — enterprise UI components for legacy and modern applications * OAuth 2.0 & JWT — modern API authentication and security Database & Data Technologies * SQL Server — complex stored procedures, functions, and database design * Database-first development — schema changes, migrations, and performance optimization * ADO.NET — custom data access patterns and legacy integration * Amazon S3 — cloud document storage and management Architecture & Integration * Multi-tenant SaaS architecture — customer-specific configurations and customizations * EDI processing — Electronic Data Interchange (810, 850, 855, 856 transaction sets) * File processing — CSV, XML, fixed-width file imports/exports * SOAP/REST web services — external system integrations * Payment processing integrations — financial system connectivity DevOps & Infrastructure * MSBuild and Visual Studio — build automation and deployment * IIS deployment and management — Windows-based web application hosting * Git version control — large enterprise codebase management * PowerShell scripting — deployment and automation tasks * Azure DevOps Pipelines — CI/CD with YAML configurations and automated testing * NuGet Package Management — private Azure Artifacts feeds and dependency management Preferred Qualifications: * Bachelor's degree in Computer Science or related discipline. * 5+ years of .NET development experience * Finance/FinTech background — hands-on AP, AR, Payments, or financial software experience strongly preferred * Strong SQL Server database design and optimization skills * Self-motivated with ability to navigate complex, large codebases * Strong problem-solving skills for debugging and optimizing enterprise applications * Excellent communication skills for collaborating with business stakeholders and QA teams * Experience with legacy modernization and gradual migration strategies