Senior Developer - .NET / SQL Server

job summary:

We are seeking a Senior .NET Developer to support a legacy application modernization initiative. This role will focus on migrating Classic ASP (ASP 3.0) applications to modern .NET and .NET Core frameworks, refactoring code for improved performance and maintainability, and supporting enterprise-level system enhancements.

The ideal candidate has 10+ years of .NET experience, strong SQL Server expertise, and hands-on experience working with legacy web applications. This is a fully remote opportunity, supporting a mission critical public sector system.

location: Telecommute

job type: Contract

salary: $58 - 63 per hour

work hours: 8am to 5pm

education: No Degree Required



responsibilities:

Job Responsibilities

• Design and develop complex modules for the Educator Certification Online System (ECOS) and its related subsystems
• Rewrite and migrate legacy Classic ASP (ASP 3.0) pages, business logic, and data interactions to modern .NET and .NET Core frameworks
• Refactor existing code to improve maintainability, scalability, and performance during migration
• Optimize SQL Server database interactions and application performance
• Analyze technical requirements and develop effective technical solutions
• Design and write high-quality code for enterprise-level customer systems
• Collaborate with the Development Manager and technical stakeholders on system enhancements
• Create clear, comprehensive documentation for converted screens and migration changes
• Support ongoing application maintenance and modernization efforts
• Follow established development standards, version control practices, and approved tool usage (e.g., Bitbucket)

qualifications:

Qualifications

10+ years of experience with Microsoft .NET and .NET Core

10+ years of experience with SQL Server (2017-2022)

8+ years of experience with ASP.NET MVC

5+ years of experience with Classic ASP (ASP 3.0)

Experience migrating and modernizing legacy web applications

Strong experience designing and developing enterprise-level systems

Proficiency with version control tools such as Bitbucket

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.


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