Senior Full Stack Developer job opportunity at Leidos.

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DatePosted 12 Days Ago bot
Leidos Senior Full Stack Developer
Experience: 12-years
Pattern: full-time
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loacation Arlington, VA, United States Of America
loacation Arlington, VA....United States Of America

Leidos is seeking a talented Senior Full Stack Software Engineer to join our team to support our customer. The incumbent will support the transformation of our current development environment and will be responsible to gather requirements and design, codify, integrate and implement secure solutions that support business functionality as well as the underlying infrastructure required to deploy and run those solutions. Primary Responsibilities Develop, document, and implement CI/CD strategy for management of Infrastructure as Code (IaC) baseline. Develop and document shared infrastructure component management strategy to provide consistent standardized container, OS, and application baselines for infrastructure components available through self-service Identify requirements, develop, document, and implement branching strategy to support change management requirements while automating as much of the deployment process as practical in the  CI/CD pipeline.ie. Selenium, Prometheus or Cucumber or various DevSecOps functioning to include system debugging Review, debug, and resolve technical issues throughout all stages of SDLC Assist 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 KPIs Perform integration activities to connect with 3rd party software APIs Design, implement, and maintain efficient and reusable Python code an be able to leverage C#, Poweshell or Javascript. Analyze user needs and software requirements to determine feasibility of design within time and cost constraints.   Applies coding and testing standards, security testing tools (including ‘fuzzing’ static-analysis code scanning tools), threat modeling, and conducts code reviews. Conduct trial runs of programs and software applications to ensure the desired information is produced and instructions are correct.   Evaluate factors such as reporting formats required, cost constraints, and need for security restrictions to determine hardware configuration. Identify common coding flaws.   Identify security issues around steady state operation and management of software.  Incorporate security measures that must be taken when a product reaches end of life. Perform integrated quality assurance testing for security functionality and resiliency attacks.   Identify potential flaws in codes to mitigate vulnerabilities.  Basic Qualifications U.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 standalone application software 6+ years' experience developing in SharePoint, 2+ years within SharePoint 2019. 5+ years' experience developing in an Agile environment. 5+ years' experience working in a Virtual infrastructure Proficient in JavaScript, jQuery, Bootstrap, REST API, .NET, Visual Studio, SharePoint Designer Workflows, SPFX, Node.js React; JSON, HTML/CSS, XML Extensive experience in design and automation of security tools and processes. Extensive experience in development, APIs, and scripting language support Experience implementing and maintaining services in a CI/CD pipeline Experience in with Code repositories - i.e. GITLAB Preferred Qualifications Experience working Virtual environments Experience working in AWS and Azure Experience with SOAR platforms such as Swimlane, Phantom, Demisto, etc 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 history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: February 23, 2026 For U.S. Positions: 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 $131,300.00 - $237,350.00 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.

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