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Verified Clinical Trials
Verified Clinical Trials

Dotnet Developer

Location

Remote restrictions apply
See all remote locations

Salary Estimate

N/AIconOpenNewWindows

Seniority

N/A

Tech stacks

Web Development
Azure
Database
+40

Permanent role
14 days ago
Apply now

Software Engineer (.NET/C#)

Verified Clinical Trials | Fully Remote

About the Job

As a .NET/C# Software Engineer, you'll maintain and evolve our mission-critical healthcare platform that protects patients and ensures research integrity globally. This is a hands-on development role focused on immediate stability and bug fixes for our ASP.NET Web Forms legacy systems while contributing to long-term platform modernization. You'll work with complex, established codebases requiring both technical skill and pragmatic problem-solving to deliver reliable solutions in a healthcare environment with zero-tolerance for errors.

At Verified Clinical Trials, our technology team is maintaining critical infrastructure while building the next generation of clinical research safety systems. Since 2012, we've processed over 1 million verifications across 12,000+ clinical trials, preventing over 101,000 protocol violations. Our engineering teams work with established .NET Framework Web Forms systems while transitioning to modern architectures and maintaining the highest standards for healthcare compliance.

Key Requirements

·      5+ years ASP.NET Web Forms development experience with enterprise applications

·      Deep understanding of ViewState management, postback events, and page lifecycle

·      Proven experience maintaining and debugging .NET Framework 4.x applications

·      SQL Server expertise including complex stored procedures and query optimization

·      Experience with Entity Framework and Dapper for data access

·      Azure cloud platform experience (Azure Storage, Functions, App Services)

·      Strong debugging skills for production issues in legacy Web Forms applications

About The Role

What You'll Build

·      Critical bug fixes for production Web Forms pages serving thousands of users daily

·      Performance improvements to ViewState-heavy pages and postback operations

·      Solutions for UpdatePanel and ScriptManager compatibility issues

·      Database query optimizations for complex joins and stored procedures

·      Documentation for undocumented Web Forms pages and business logic

·      Migration strategies from Web Forms to modern frameworks (future state)

Core Responsibilities

Web Forms Application Maintenance

·      Debug and fix issues in ASP.NET Web Forms pages (.aspx/.aspx.cs)

·      Resolve ViewState corruption and postback validation errors

·      Optimize page lifecycle events and control initialization

·      Fix UpdatePanel partial postback and JavaScript compatibility issues

·      Troubleshoot Session state and authentication problems

·      Refactor code-behind logic while maintaining functionality

·      Handle complex server control hierarchies and event bubbling

Database and Data Access

·   Optimize Entity Framework queries to eliminate N+1 problems

·      Write and maintain Dapper queries for performance-critical operations

·      Debug and optimize complex SQL Server stored procedures

·      Manage database transactions and connection pooling

·      Handle encrypted data fields and PII compliance requirements

·      Work with legacy ADO.NET DataSets and DataTables when necessary

Production Support

·      Rapidly diagnose Web Forms specific issues (ViewState size, timeout errors)

·      Debug "Invalid postback or callback argument" errors

·      Resolve "Failed to load viewstate" exceptions

·      Fix session timeout and Forms Authentication issues

·      Handle IIS application pool and session state problems

·      Troubleshoot AJAX toolkit and UpdatePanel failures

Azure and DevOps

·      Deploy Web Forms applications to Azure App Services

·      Configure Azure Blob Storage for document/certificate storage

·      Maintain Azure DevOps CI/CD pipelines for Web Forms projects

·      Manage web.config transformations for different environments

·      Handle Azure-specific session state providers

·      Configure Application Insights for Web Forms monitoring

Code Modernization (Secondary)

·   Document Web Forms business logic for future migration

·      Identify pages suitable for incremental modernization

·      Create parallel REST APIs for Web Forms functionality

·      Support gradual migration from Web Forms to MVC/Blazor

·      Maintain both legacy and modern code during transition period

Required Experience

Core Web Forms Skills

·      5+ years ASP.NET Web Forms development (not just ASP.NET MVC/Core)

·      Deep understanding of Page Lifecycle (Init, Load, PreRender, etc.)

·      ViewState management and optimization experience

·      UpdatePanel and ScriptManager troubleshooting skills

·      Server controls (GridView, Repeater, FormView) expertise

·      Master Pages and User Controls (.ascx) experience

·      Postback vs. callback event handling knowledge

·      Web Forms validation controls and custom validators

Data Access Experience

·      Entity Framework 6 (not just EF Core) with lazy loading issues

·      Dapper for performance-critical queries

·      ADO.NET with DataSets/DataTables/DataAdapters

·      Complex stored procedures and SQL optimization

·      LINQ to SQL and LINQ to Entities proficiency

Legacy .NET Skills

·      .NET Framework 4.5-4.8 (not just .NET Core/5+)

·      IIS configuration and application pool management

·      Web.config management and transformations

·      Session State providers (InProc, StateServer, SQLServer)

·      Forms Authentication configuration and troubleshooting

·      Classic ASMX web services and WCF basics

Required Technical Skills

·      SQL Server including execution plan analysis

·      JavaScript/jQuery for Web Forms client-side scripting

·      AJAX Control Toolkit experience

·      Crystal Reports or SSRS for reporting

·      Git version control with complex branching

·      XML/XSLT processing

Professional Skills

·      Patience working with 10+ year old codebases

·      Ability to resist rewriting everything immediately

·      Strong debugging skills without modern tooling

·      Communication skills to explain legacy system constraints

·      Self-directed learning for undocumented systems

·      Bachelor's degree in CS or equivalent experience

Preferred Qualifications

·      Healthcare or government sector experience (still using Web Forms)

·      Experience maintaining legacy systems others built

·      Migration experience from Web Forms to MVC/Blazor

·      Azure platform experience beyond basic hosting

·      Performance profiling Web Forms applications

·      Knowledge of ViewState alternatives and optimizations

·      Experience with Web Forms to Web API conversions

What We DON'T Need

·      Developers who only know modern frameworks (React, Angular, Vue)

·      MVC/Core-only experience without Web Forms

·      Architects focused on greenfield development

·      Developers uncomfortable with legacy maintenance

Compensation & Benefits

·      Competitive base salary: $90,000 - $140,000

·      Performance-based bonus structure

·      Flexible PTO and fully remote work environment

·      Professional development budget

·      Latest development tools and infrastructure

About Us

Headquartered in Garden City, NY, Verified Clinical Trials creates comprehensive healthcare technology solutions. We've assembled a top-notch team combining passionate healthcare technology professionals with experienced domain experts to create trusted, reliable platforms. At VCT, you'll build a career that helps you achieve your professional goals while contributing to important healthcare technology advancement. We're looking for developers who thrive on maintaining critical legacy systems while planning thoughtful modernization.

Ready to Build Healthcare Technology That Matters?

Join our team in maintaining critical Web Forms infrastructure that supports healthcare operations worldwide. This role is perfect for developers who understand that legacy systems require expertise and respect, not just replacement.

Equal Opportunity Employment

Verified Clinical Trials is an equal opportunity employer. Employment decisions are not based on race, color, religion, national origin, sex, physical or mental disability, sexual orientation, gender identity or expression, age, military or veteran status, or any other characteristic protected by state or federal law. We provide reasonable accommodations to qualified individuals with disabilities and welcome applicants requiring accommodations to contact us at resume@verifiedclinicaltrials.com.

About Verified Clinical Trials

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