Junior Software Engineer (TS/SCI CI Poly) (4405)

SMX; Sully Square (VA); On-site; USD 110,000 - 185,000; Full time

Job summary

A leading company in Chantilly, VA is seeking a Junior Software Engineer to join their high-performing team. This entry-level position involves conducting research and developing software systems for clients in the Intelligence Community. Candidates should have a Bachelor's in Computer Science, relevant programming experience, and ability to work on-site.

Benefits

Health insurance

Paid leave

Retirement benefits

Qualifications

• Bachelor's degree in Computer Science or equivalent experience.
• Experience with API development using Spring and JavaScript frameworks.
• Familiarity with AWS and database management.

Responsibilities

• Conduct research in design, development, testing, and utilization of software.
• Design, develop, test, and debug applications.
• Analyze user needs and system capabilities.

Skills

Software Development

Collaboration

Logical Problem Solving

API Development

Database Management

Education

Bachelor's degree in Computer Science or related field

Tools

AWS

React

Git

Docker

Job description

Junior Software Engineer (TS/SCI CI Poly) (4405)

Join to apply for the Junior Software Engineer (TS/SCI CI Poly) (4405) role at SMX

Junior Software Engineer (TS/SCI CI Poly) (4405)

Join to apply for the Junior Software Engineer (TS/SCI CI Poly) (4405) role at SMX

SMX is seeking a Jr. Software Engineer in our Chantilly, VA office in support of our Intelligence Community customer as part of a highly talented, highly motivated and high-performing team.

Essential Duties and Responsibilities:

• Conduct research in design, development, testing and utilization of electronic data processing software.
• Design, develop, document, test and debug applications software and systems that contain logical and mathematical solutions.
• Conduct multidisciplinary research and collaborate with equipment designers in the planning, design, development, and utilization of electronic data processing systems for product and commercial software.
• Determine computer user needs; analyze system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls; prepare operating instructions.
• Ensure software standards are met.
• Analyze user needs and software requirements to determine feasibility of design within time and cost constraints.
• Confer with systems analysts, engineers, programmers and others to design system and to obtain information on project limitations and capabilities, performance requirements and interfaces.
• Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcomes and consequences of design.
• Coordinate software system installations and monitor system functioning to ensure specifications.
  
  

Required Skills/Experience:

• Clearance: TS/SCI CI Polygraph
• On site support Monday - Friday in Chantilly, VA
• Bachelor's degree in Computer Science or related field. However, equivalent experience in lieu of a degree will be considered.
• Experience developing secure and well-tested API using Spring
• Experience developing frontends using JavaScript frameworks, preferably React
• Experience maintaining, monitoring, and debugging software deployed in the cloud, preferably AWS
• Experience developing performant relational database designs
• Experience migrating live databases in deployed environments, preferably with a migration tool like Liquibase or Flyway
• Experience working with Git and with web-based repositories such at Bitbucket or GitLab
  
  

Desired Qualifications:

• Experience working with SOAP API's
• Experience working with AWS services: EC2, ECS, RDS, S3, CloudWatch, or Amazon Workspaces
• Experience developing in a *nix environment and familiarity with basic and advanced terminal commands
• Experience containerizing software with Docker
• Experience working with CI/CD pipelines
• Experience working in an Agile development process
• Managing Elasticsearch, reindexing and data mappings, JSON and KQL searching syntax, and Kibana dashboard options
  
  

Application Deadline: July 28, 2025

#cjpost

The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. At SMX, one of our Core Values is to Invest in Our People so we offer a competitive mix of compensation, learning & development opportunities, and benefits. Some key components of our robust benefits include health insurance, paid leave, and retirement.

The proposed salary for this position is:

$110,000—$184,800 USD

At SMX, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success.

We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what’s possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.

SMX is an Equal Opportunity employer including disabilities and veterans.

Selected applicant may be subject to a background investigation and/or education verification.

Seniority level

• Seniority level

  Entry level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  IT Services and IT Consulting

Referrals increase your chances of interviewing at SMX by 2x

Get notified about new Junior Software Engineer jobs in Chantilly, VA.

Junior Software Developer Engineer - Fairfax

Fairfax, VA $110,000 - $140,000 1 month ago

McLean, VA
$75,000.00
-
$110,000.00
3 weeks ago

Lorton, VA
$55,250.00
-
$99,875.00
2 weeks ago

Washington, DC
$120,000.00
-
$170,000.00
6 days ago

Arlington, VA
$78,600.00
-
$137,600.00
2 weeks ago

Alexandria, VA $100,000 - $130,000 20 hours ago

We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.