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.NET Developer

TekMasters, LLCChantilly, VA🇺🇸United StatesPosted 16 Aug 2026

Quick Overview

Salary
$127.4k - $196k/yr
Work Type
Hybrid
Level
Mid Senior

Job Description

Job Description

Web Developer to act as a member of an AGILE development team working with HTML5, JavaScript, Bootstrap, CSS, C#.NET, SQL, Ruby on Rails, Artificial Intelligence, and Amazon Web Services to develop business applications in support of a government customer. The developer will collaborate with analysts, project leads, UI/UX developers, testers, and customers to define requirements, implement business logic, and refine applications. This position will also require providing support and troubleshooting issues with existing production applications.

Responsibilities:

Responsible for researching, designing, developing and/or modifying software systems (e.g., custom, COTS, GOTS).

Works closely with business analysts, UI/UX developers, and subject matter experts to understand functional requirements.

Develops cost estimates for software development and enhancements and conducts impact analysis for software changes.

Adheres to program configuration change control standards.

Presents ideas for system improvements.

Produces detailed specifications, writes software code, and conducts unit testing.

Writes interfaces and conversion routines leveraging web APIs.

Supports formal testing in controlled environment before code is promoted to production.

Provides input into training manuals for users.

Maintains knowledge of feature and technical changes in the application.

Required Skills

Required:

4+ years relevant web development experience

Experience with basic web programming languages such as HTML, JavaScript, and CSS

Experience with C#.NET and Bootstrap

Experience employing AWS cloud services to create cloud-native applications

Knowledge of web development principals, techniques, languages, and standard programming styles and conventions

Bachelor's Degree or higher in Computer Science, Information Systems, or similar

Ability to manage multiple priority tasks

Self-motivated task identification

Desired Skills

Desired:

AWS certification (AWS Developer Associate or AWS DevOps Engineer Professional)

Experience with AI Tools

Experience with Python

CompTIA Security+ Certification

Knowledge of Agile software development

Commercially published work

Knowledge and understanding of the DoD or IC communities

An active TS/SCI clearance with CI Polygraph

Additional Details

Compensation & Benefits: This position has an anticipated salary range of $127,399-$196,000 per year. Actual compensation will be determined based on factors including experience, qualifications, skills, education, certifications, and business needs. Crimson Phoenix offers a comprehensive benefits package, including medical, dental, and vision insurance, a 401(k) with company match, generous paid time off, company-paid life and disability insurance, tuition reimbursement, professional development opportunities, employee recognition programs, and a culture that supports continuous learning and career growth.

Skills

Ruby
SQL
AWS
Agile
Bootstrap
C#
CSS
HTML
JavaScript
Phoenix
Python
Rails

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