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Senior Software Engineer
Location
United States
Posted
137 days ago
Salary
0
Seniority
Senior
Job Description
Senior Software Engineer
DocuPhase LLC
Role Description 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. 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. Requirements - 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. Company Description
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