Senior Full Stack Application Developer (.NET)

Gainwell Technologies LLC; United States; Remote; USD 73,000 - 104,000; Full time

Benefits offered by this job

generous vacation policy

401(k) employer match

comprehensive health benefits

educational assistance

Job summary

Gainwell Technologies is seeking a Senior Full Stack Application Developer (.NET) to help improve health outcomes by delivering robust, scalable software for healthcare clients. You will contribute across the stack, from UI to data access, and work on multi-application systems in a fully remote setting.

This role emphasizes code quality, testing, peer reviews, and release planning. Expect growth through leadership opportunities, ongoing training, and access to our technical academies while

Qualifications

• Six or more years of full stack programming or application development experience.
• High level proficiency with C#, VB.NET, ASP.NET, T-SQL, Entity Framework, and jQuery.
• Experience with relational databases (SQL Server preferred) including tables, relations, stored procedures, and views.
• Experience with Web Forms, MVC, WCF, and JSON.
• Experience writing specifications.
• Preferrable skills: BizTalk, SSIS, SSRS, VB6.

Responsibilities

• Maintain the support and maintenance of multiple applications.
• Reviews codes, tests done, documents and implements programs according to specifications.
• Provide moderately complex to complex technical and production support to end-users.
• Participate in 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 writing program specifications.
• Participate in and review design of new applications or enhancements to existing programs.
• Recommends and estimates time to make changes to client software based on feedback, language changes and new technology.
• Track down, diagnose, and fix issues in the application.
• Participate in release management of the applications including monthly releases.

Skills

Full stack experience

C#/VB.NET/ASP.NET

SQL Server

Web Forms

MVC

WCF

JSON

Stored procedures

Views

Writing specs

BizTalk

SSIS

SSRS

VB6

Tools

Visual Studio

SQL Management Studio

Job description

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You’ll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You’ll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have comprehensive leadership and technical development academies to help build your skills and capabilities.

Summary

As a Senior Full Stack Application Developer (.NET) at Gainwell, you can contribute your skills as we harness the power of technology to help our clients improve the health and well-being of the members they serve — a community’s most vulnerable. Connect your passion with purpose, teaming with people who thrive on finding innovative solutions to some of healthcare’s biggest challenges. Here are the details on this position.

Your role in our mission

• Maintain the support and maintenance of multiple applications
• Reviews Codes, tests done, documents and implements programs according to the specifications provided.
• Provides moderately complex to complex technical and production support to end-users.
• Participates in and conducts peer reviews.
• Ceating unit and other test plans for assigned programming tasks.
• Provides leadership and work guidance to personnel and keep management informed of progress.
• Creates, reviews and analyses writing program specifications.
• Participates in and reviews design of new applications of simple to complex and for enhancements to existing programs.
• Recommends and estimates time to make changes to client software based on information such as client feedback, language changes and new technology
• Track down, diagnose, and fix issues in the application
• Participate in release management of the applications including monthly releases.

What we're looking for

• Six or more years of full stack programming or application development experience
• High level of proficiency working with appropriate programming languages (C#, VB.NET, ASP.net, T-SQL, Entity Framework, jQuery), operating systems, hardware and software (Visual Studio, SQL Management Studio)
• Experience working with relational databases (SQL Sever preferred) to facilitate programming software. Creating tables, relations, store procedures, and views.
• Experience working with creating and maintaining Web Forms, MVC, WCF, and JSON.
• Experience working with writing specifications
• Preferrable Skills: BizTalk, SSIS, SSRS, VB6.

What you should expect in this role

• Fully Remote Opportunity – Work from anywhere in the U.S.
• Video cameras must be used during all interviews, as well as during the initial week of orientation

The deadline to submit applications for this posting is October 23, 2026.

The pay range for this position is $72,800.00 - $104,000.00 per year, however, the base pay offered may vary depending on geographic region, internal equity, job-related knowledge, skills, and experience among other factors. Put your passion to work at Gainwell. You’ll have the opportunity to grow your career in a company that values work flexibility, learning, and career development. All salaried, full-time candidates are eligible for our generous, flexible vacation policy, a 401(k) employer match, comprehensive health benefits , and educational assistance. We also have a variety of leadership and technical development academies to help build your skills and capabilities.

• generous, flexible vacation policy
• 401(k) employer match
• comprehensive health benefits
• educational assistance

We believe nothing is impossible when you bring together people who care deeply about making healthcare work better for everyone. Build your career with Gainwell, an industry leader. You’ll be joining a company where collaboration, innovation, and inclusion fuel our growth. Learn more about Gainwell at our company website and visit our Careers site for all available job role openings.

Gainwell Technologies is an Equal Opportunity Employer, where all qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical condition), age, sexual orientation, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. Gainwell Technologies defines “wages” and “wage rates” to include “all forms of pay, including, but not limited to, salary, overtime pay, bonuses, stock, stock options, profit sharing and bonus plans, life insurance, vacation and holiday pay, cleaning or gasoline allowances, hotel accommodations, reimbursement for travel expenses, and benefits.