Senior Software Engineer
4 days ago
Clearwater
Job 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 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), • 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, • 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, • 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, • 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, • 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