Software Engineer/Application Developer (TS/SCI with Poly Required)

GCI; Chantilly; Sur place; EUR 120 000 - 202 000; Plein temps

Résumé du poste

A leading technology company is seeking a Software Engineer to design, develop, and debug applications and micro services. The ideal candidate will have extensive experience in full-stack development, modern programming languages, and Agile methodologies. A Bachelor’s degree in Computer Science is required along with significant software development experience. This position is full-time and on-site in Chantilly, VA.

Qualifications

• 10+ years of related software development experience required.
• 3-5 years of experience with modern programming languages is required.
• Experience with Scrum/Agile methodologies.
• Hands-on experience with application development and software tools.

Responsabilités

• Analyze, design, and develop applications and infrastructure code.
• Provide maintenance and support for existing systems.
• Collaborate with cross-functional teams for software solutions.
• Troubleshoot complex software and application issues.

Connaissances

Java

Python

Maven

Jenkins

Spring Boot

Postgres

Kafka

RabbitMQ

Elastic

Kibana

Formation

Bachelor’s Degree in Computer Science or related technical discipline

Outils

Terraform

CloudFormation

Liquibase

Ansible

Docker

Kubernetes

Description du poste

Software Engineer/Application Developer (TS/SCI with Poly Required)

Job Category: Software Engineering

Requisition Number: SOFTW001768

• Posted : October 9, 2025
• Full‑Time
• On‑site
• Salary Range : $139,984 USD to $233,771.20 USD

Locations

Showing 1 location

Chantilly
Chantilly, VA, USA

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 Software Engineer, a typical day will include the following duties:

JOB DESCRIPTION

The Software Engineer should have experience with full‑stack development. They will design, develop, code, test, and debug complex new applications and micro services, or make significant enhancements to exiting software. The ideal candidate is a hands‑on software developer with experience with application development to customer specifications. They must have strong, firsthand technical expertise in a variety of configuration management tools and software development languages and the proven ability to fashion robust solutions. They must be at ease working in an Agile environment with little supervision. This person should embody a passion for continuous improvement and innovation.

KEY RESPONSIBILITIES

• Analyze, design and develop applications, databases, micro services, and infrastructure code in multiple languages.
• Provide ongoing maintenance, support and enhancements for existing systems and platforms.
• Develop and deploy applications in compliance with customer security requirements.
• Collaborate cross‑functionally with data scientists, analyst, project managers and other engineers.
• Troubleshoot complex problems and provides customer support for production software systems and application issues.
• Provide recommendations for continuous improvement.
• Work alongside other engineers on the team to sustain and advance our organization’s capabilities

EDUCATION AND EXPERIENCE

• 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.
• At least ten (10) years of related software development experience

REQUIRED QUALIFICATIONS

• 3 to 5 years of experience and is familiar with the following software/tools:
  • Experience in modern programming languages like Java, and Python.
  • Experience with build automation technologies like Maven, Jenkins, etc.
  • Experience with building APIs using Java or related programming language
  • Hands‑on experience with application development using Spring Boot.
  • Experience with a RDBMS (SQL) or a NoSQL data store including a shared parallel Postgres database and PostGIS
  • Experience with database optimization including table structures, indices, and query planning.
  • Experience with message brokers such as Kafka, RabbitMQ, or SNS/SQS and a detailed understanding of the differences between them.
  • Experience with Elastic and Kibana
  • Experience with test‑driven development and automated testing frameworks
• Experience with Scrum/Agile development methodologies. This includes participating in daily team stand up meetings and being an active participant in code reviews and pull requests.
• Experience with infrastructure‑as‑code and change management using tools such as Terraform, CloudFormation, Liquibase and Ansible
• Familiarity with AWS

DESIRED QUALIFICATIONS

• Interested in working with multiple different technologies on a daily basis.
• Experience with container technologies (Docker, Kubernetes) a plus
• Familiarity with CUDA programming and GPU architecture.
• Capable of delivering on multiple competing priorities with little supervision.
• Excellent verbal and written communication skills.

A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.