Full Stack Developer

Leidos is seeking an experienced Full Stack Developer to support the Compartmented Enterprise Services Office (CESO) program delivering mission-focused software capabilities for DISA. This role develops, tests, and maintains secure, reliable applications across the full technology stack (front-end, APIs/services, and data). Full stack developers can switch between front-end and back-end development based on requirements and help the team prototype rapidly when needed.

This person should be a seasoned, self-motivated, and professional with at least 8 years of hands-on engineering and administration experience in virtualized Information Technology environments.

This position is 100% on-site in Arlington, VA. Occasional, situational travel within the DC-Metro area may be required. Primary Responsibilities Develop Java based applications using Spring Framework, Spring Boot, Java, and Hibernate technologies.

Develop front end applications using Ansible, React, jQuery, JSON, Type Script, JavaScript, HTML, and CSS technologies

Develop Service Oriented Architecture (SOA) applications using RESTFul, ESB, and Message Queues.

Develop, document, and implement CI/CD strategy for management of Infrastructure as Code (IaC) baseline using Ansible, AWS Cloud Formation, and Terraform.

Experience in using Dev Ops tools such as Git Lab, Git Lab CI, Jenkins, JFrog Artifactory or similar Artifactory, Automated testing tools such as Selenium, and Leapwork.

Experience in provisioning and managing AWS Infrastructure such as VPCs, subnets, availability zones, Firewalls, NACL, Security Groups, and hybrid connectivity.

Experience in developing applications using AWS Services such as EC2, RDS, Lambda, SNS, SQS, S3, and Directory Services.

Identify requirements, develop, document, and implement branching strategy to support change management requirements.

Review, debug, and resolve technical issues throughout all stages of SDLCAssist with process development and process improvement for Security Operations to include creation/modification of SOPs, Playbooks, and Work instructions

Measure effectiveness of process improvement and automation efforts via metrics and KPIsAnalyze user needs and software requirements to determine feasibility of design within time and cost constraints. Apply coding and testing standards, security testing tools (including ‘fuzzing’ static-analysis code scanning tools), threat modeling, and conducts code reviews.

Basic QualificationsU.S. Citizenship and active DoD TS/SCI US Clearance.

Bachelor's Degree and a minimum of 12 years of directly relevant technical experience. Additional experience may be considered in lieu of degree.
6+ years' experience with designing, building and modifying standard-alone application software3+ years of experience in designing and developing IaC using Ansible, Terraform, and AWS Cloud

Formation5+ years' experience developing in an Agile environment.
5+ years' experience working in AWS Cloud environment.
5+ years' experience working in a Virtual infrastructure

Proficient in JavaScript, jQuery, Bootstrap, REST API, Java, Visual Studio, Node.js React, JSON, HTML/CSS, XMLExtensive experience in development, APIs, and scripting language support

Experience implementing and maintaining services in a CI/CD pipeline

Experience with Code repositories - i.e. GITLABPreferred Qualifications Experience working Virtual environments

Experience working in AWS and Azure Authoring SOPs, playbooks, work instructions and/or other process document

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient…