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Software Engineer - Full Stack with Security Clearance

Company:
GCI, Inc
Location:
Chantilly, VA, 20151
Posted:
March 08, 2026
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Description:

Description

GCI, embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry. At GCI, we solve the hard problems. As a Full Stack Software Engineer, a typical day will include the following duties: JOB DESCRIPTION: We are seeking an experienced Full Stack Software Engineer to join our team, responsible for developing and maintaining our complex web application built on the MEAN stack (MongoDB, Express, Angular, Node.js) with a strong focus on ElasticSearch integration. The ideal candidate will have a strong background in full stack development, experience with 3rd party system integration, expertise in ElasticSearch, and a solid understanding of data modeling concepts. This is a fantastic opportunity to work on a challenging project that requires innovative solutions and collaborative problem-solving. QUALIFICATIONS: Bachelor’s Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.

5+ years of related software development experience. REQUIRED KNOWLEDGE/SKILLS: 3+ years of experience in full stack software development with a focus on MEAN stack technologies

Strong proficiency in JavaScript, HTML, CSS, and Angular

Experience with Node.js, Express and MongoDB

In-depth knowledge of ElasticSearch, including indexing, querying and aggregation

Proven experience with 3rd party system integration using APIs, webhooks and other integration methods

Strong understanding of software design patterns, principles and best practices

Excellent problem-solving skills, with the ability to work effectively in team environment

Basic understanding of data modeling concepts, including entity-relationship, data normalization, and de normalization

Experience with Git workflows, including feature branching, pull requests and code reviews

Ability to work effectively in a Linux-based development environment DESIRED KNOWLEDGE/SKILLS: Experience with cloud platforms such as AWS

Knowledge of containerization using Docker

Familiarity with CI/CD pipelines and automation tools such as Jenkins or CircleCI

Hands-on experience working with message brokers such as RabbitMQ or AWS SQS KEY RESPONSIBILITIES: Design, develop, test, and deploy scalable and efficient software solutions

Collaborate with cross-functional teams to identify and prioritize project requirements

Participate on code reviews and ensure high-quality, modular, and reusable code

Troubleshoot and debug issues in the application, including performance optimization and error handling

Stay up to-date with industry trends and emerging technologies, applying this knowledge to improve our application

Design and implement data models that meet the needs of the application, ensuring data consistency and integrity A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance. Qualifications:

Education Required: Bachelor of Science or better in Computer Science or related field. Experience Required: 5 years Related work experience in Software Development.

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