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Job Details

Sr. Full Stack Developer


Full Stack Developer


Gaithersburg, Maryland, United States


Job Description:

This position requires an active Top Secret Security Clearance and a willingness to undergo a polygraph to be considered. Candidates who do not possess this clearance will not be considered.

Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world. Our team’s focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets.

The Spatial Solutions Division (SSD), part of the Decision Advantage Solutions Business Area, is currently seeking a Full Stack Engineer for the Maru Program. The responsibilities for this position include all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding, and automated testing within an Agile model. In this role, you will join a dynamic team that is singularly focused on providing world class solutions to our customer in an exciting, collaborative, and inclusive atmosphere. You will be challenged and provided a tremendous opportunity for growth in a customer-facing, fast-paced, and fun environment.

As a leader you will architect, design, build, and enhance highly available and scalable web application used by customers worldwide. You will direct major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding, and unit testing. Additionally, you will determine and recommend the best designs based on customer business objectives, timelines, and other resource constraints.

Position may be performed in the following locations below. Please note Gaithersburg, MD is the primary work location for the program and all candidates will be required to start/ramp-up in Gaithersburg before transitioning to another Leidos location.

  • Gaithersburg, MD
  • Alexandria, VA
  • Chantilly, VA

Clearance Level Required:

Top Secret with the ability to obtain SCI, as well as a Polygraph.

Primary Responsibilities:

  • Resolve various Modernization tasks as prioritized by the team product owner.
  • Engage in the complete software development lifecycle, operating within well-defined parameters.
  • Take ownership of delivering enhancements within a system or application.
  • Break down sizable tasks into manageable units for execution and provide LOE estimations.
  • Collaborate with fellow software engineers to create and document optimal technical designs.
  • Ensure team compliance with Agile processes and best practices.
  • Build software solutions where the solution is not clearly defined but always prioritizing customer needs.
  • Resolve obstacles for the development team, working collaboratively with the Product Owner, technical leadership, and other engineers.

Basic Qualifications:

  • US citizenship is required per contract.
  • Bachelor's degree in Computer Science, Software Engineering, or related field and 8-12 years of prior relevant experience or Master’s with 6-10 years of prior relevant experience.
  • Strong proficiency with the following technologies:
    • Frontend Web Development: REACT, Angular, Vue.js, or similar JavaScript frameworks.
    • Backend Development: Java including Java Spring Boot
    • Cloud Development: AWS, Azure, or similar cloud platforms
    • Relational Database: PostgreSQL with the ability to write SQL.
    • Operating System: Linux
    • Version Control System: Git
  • Deep understanding of modern software design patterns and coding standards.
  • Experience architecting, developing, and delivering complex software systems into production.
  • Working knowledge of Agile development and continuous integration/continuous delivery methodologies and tools.
  • Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques.

Preferred Qualifications:

  • Frontend Web Development: UI/UX
  • Software Architectures: Client-Server, Microservices, Model-View-Controller.
  • NoSQL Database: OpenSearch/Elasticsearch.
  • Specific AWS Services: S3, SQS, SNS, EC2, CloudFormation and RDS.
  • Automated Software Deployment: Kubernetes, Containerization.
  • Pub/Sub Technologies: Message Queues (RabbitMQ, Apache Kafka, AWS SQS).
  • Certifications such as AWS DevOps Engineer or similar.
  • Knowledge of continuous integration and delivery tools: Jenkins, GitLab, and Docker.

Original Posting Date:


While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $101,400.00 - $183,300.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.