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Full Stack Developer (JavaScript, JavaScript Express & React)

Company:
C. Mack Solutions, LLC
Location:
Ashburn, VA
Posted:
March 02, 2026
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Description:

Job Description

Description:

C. Mack Solutions is seeking a Full Stack Developer to join our team. The Full Stack Developer will specialize in JavaScript, JavaScript Express & React as we provide support to our customer.

Responsibilities:

Designing, developing, and implementing custom software and database application capabilities for a variety of legacy and modernized systems with limited oversight

Acting as a member of a product team supporting teammates and collaborating with a do what it takes attitude to ensure product and team success

Providing improvements to the product(s) being supported

Actively participate in release and sprint planning, artifact creation, sprint testing, regression testing, demonstrations and retrospectives and solution releases

Supporting release planning with conceptual design and development / refinement of software engineering guidelines

Analyzing complex project-related problems and creating innovative solutions involving scheduling, technology, methodology, tools, and solution components

Ensuring product quality and timeliness of work, providing advice and guidance, resolving problems to meet objectives, and providing periodic performance reports

Providing mentoring to junior members of the teamRequirements:

You must live within the DC, MD, VA area.

Candidate must have current CBP Public Trust clearance.

College degree (B.S.) in Computer Science, Software Engineering, Information Management Systems, or a related discipline. Equivalent professional experience will be considered in lieu of degree

Professional Experience: at least seven (7) years related technical experience, with software design, development, and implementation

Experience with JavaScript Web-Services Development; Familiarity with any of the following: JavaScript, React, Typescript,

Micro services architecture and development: Familiar with JavaScript, NodeJS, React, Jest

Database Development: Experience with NoSQL databases (DocumentDB)

Experience with application integration and delivery with a DevOps pipeline

Acting independently to expose and resolve problems

Experience with GIT source code control systems and concurrent development workflows

Ability to apply estimation techniques to software development efforts

Working knowledge of and ability to assist others in the use of software engineering tools to support process improvement

Excellent written and verbal communication skills

Strong collaboration skills and desire to work within a team

Understanding of all elements of the software development life cycle, including planning, development, requirements management, CM, quality assurance, and release management

Preferred Skills and Experience:

React UI application Development

Familiarity with redis cache

Knowledge of ffmpeg and video codecs as relates to webcams

Ability to apply advanced principles, theories, and concepts, and contribute to the development of innovative principles and ideas

Experience developing with WebSockets for real time communication between web clients and servers

Full-time

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