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Sr. JavaScript Developer

Reflexive Concepts
Fort Meade, MD Full Time
POSTED ON 11/6/2025 CLOSED ON 12/17/2025

What are the responsibilities and job description for the Sr. JavaScript Developer position at Reflexive Concepts?

Reflexive Concepts is seeking a Software Engineer III to join our team!

Specifically, we're seeking a Senior Software Engineer to work with a team of developers to implement new capabilities in support of the current classification marking tool and the tool to be used to support M365 web based applications. The position involves full life cycle design, development, testing, and documentation of policy-driven software across multiple fabrics. The focus will include the extension and customization of tools used for classification string validation and comparison for access control.

Experience in JavaScript is required. The developer is expected to have experience with requirements elicitation. The developer should be able to work collaboratively, within an existing team and provide guidance to junior level team members. The candidate will be expected to provide input throughout the software lifecycle.

Requirements

  • 3 years of Software Engineering experience
  • Bachelor's Degree or higher in computer engineering or in a field related to computer engineering or computer science disciplines.
    • An additional 4 years of Software Engineering experience may be substituted for the degree for a total of 7 years.
  • Proficient in JavaScript
  • Proficient in working with Git
  • Experience actively participating in code reviews
  • Experience Analyzing system requirements, the concept of operations, and high-level system architecture to develop requirements specifications
Desired Skills

  • Willingness to mentor junior developers
  • Play role in Introducing and incorporating software development best practices into team’s development process
  • Collaborate with junior developers to improve their knowledge and experience with development standards and best practices
  • Administer, maintain and implement policies and procedures for ensuring the security and integrity of the application
  • Foster open communication and collaboration
  • Gather, analyze, and capture customer requirements
  • Assist in the development of requirements for new features and fix defects
  • Create and expand unit tests and end to end testing
  • Evaluate, troubleshoot and fix defects
  • Define new features
  • Triage user issues and provide Tier 3 customer support
  • Test and evaluate new software releases and merge requests
  • Experience engaging leadership, customers and interfacing with teams
  • Strong time management and organizational skills

Salary.com Estimation for Sr. JavaScript Developer in Fort Meade, MD
$108,318 to $133,619
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