Senior Full Stack Application Developer, .NET

Gainwell Technologies

. Maintain and support multiple applications .

Posted 10/16/2026full-timeRemote • United StatesSenior💰 $72,800 - $104,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in full stack programming and application development, with proficiency in C#, VB.NET, ASP.NET, and SQL Server. Capable of providing technical support, conducting peer reviews, and leading application design and enhancement efforts.

Highest-signal resume keywords

Full Stack ProgrammingC# ProficiencyASP.NET DevelopmentSQL Server ExperienceApplication Release Management

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

C#VB.NETASP.NETT-SQLEntity FrameworkJQueryVisual StudioSQL Management StudioWeb FormsMVC

Soft Skills

LeadershipWork GuidanceCommunication

Tools & Technologies

SQL ServerBizTalkSSISSSRSWCFJSON

Industry Keywords

Application DevelopmentTechnical SupportPeer ReviewsProgram SpecificationsApplication Release Management

Tech Stack

Tools & technologies

ASP.NETEntity FrameworkjQuerySQLSSIS.NET

About the role

Key responsibilities & impact

Maintain and support multiple applications
Review code, test, document, and implement programs according to specifications
Provide moderately complex to complex technical and production support to end users
Participate in and conduct peer reviews
Create unit and other test plans for assigned programming tasks
Provide leadership and work guidance to personnel and keep management informed of progress
Create, review, and analyze program specifications
Participate in and review the design of new applications and enhancements to existing programs
Recommend and estimate time required for software changes
Diagnose and fix application issues
Participate in application release management, including monthly releases

Requirements

What you’ll need

Six or more years of full stack programming or application development experience
Proficiency with C#, VB.NET, ASP.NET, T-SQL, Entity Framework, jQuery, Visual Studio, and SQL Management Studio
Experience with relational databases, preferably SQL Server
Experience creating tables, relations, stored procedures, and views
Experience creating and maintaining Web Forms, MVC, WCF, and JSON
Experience writing specifications
Preferred: BizTalk, SSIS, SSRS, and VB6

Benefits

Comp & perks

Work flexibility
Learning and career development
Technical credentials and certifications
Generous, flexible vacation policy
Educational assistance
Leadership and technical development academies
401(k) employer match
Comprehensive health benefits