**Description** The National Security Sector within Leidos is seeking a senior Full-Stack developer with strong systems, software, cloud, and Agile experience to support a complex program to provide Agile development and operations and maintenance for critical systems on a mission-critical program supporting the Passenger Systems Program Directorate (PSPD) Interface and Support Processes division within Customs and Border Protection (CBP). PSPD supports the Department of Homeland Security (DHS) and CBP critical missions, specifically screening and processing travelers at the ports of entry (POEs) into the United States. In this hands-on position, you will work collaboratively to architect, design, build, deliver, and enhance highly available, scalable, real time systems. You will exercise your judgment in determining and recommending the best designs based on customer business objectives, timelines and other resource constraints. You will participate in all aspects of the software development lifecycle of a mission critical product including scope and work estimation, architecture and design, coding and unit testing. ****This position REQUIRES the candidate to be in Ashburn, VA, 2 times a week**** **Primary Responsibilities:** + Support all aspects of software development (designing, coding, testing, debugging, and maintaining products) + Must be a self-starter with the ability to work independently with minimal supervision. + Interface with software developers, analysts, and other project team members using Agile SCRUM methodology and SAFe to deliver features that enhance system capabilities and facilitate CBP’s mission. + Translate customer needs into user stories and deliver working capabilities at the conclusion of each sprint. + Mentor junior and entry-level software developers to enhance their skills and work with others on product team to develop solutions to impediments preventing completion of work. + Participate and/or lead sprint demonstrations and facilitate implementation of agreed upon ideas identified at retrospectives. + Effectively communicate technical challenges and potential solutions to leaders within both Leidos and CBP **Minimum Qualifications:** + BS/BA degree with a minimum of 10+ years of relevant experience or 8+ years of relevant experience with Master’s degree; OR 4 years of experience in lieu of degree + Minimum 10 years of experience in Software development experience should includethe following technologies: JAVA and REACT + 5+ years’ experience developing cloud ready applications and/or experience migrating applications to the cloud. + Must be able to obtain a CBP Background Investigation prior to start + Software development experience in an Agile/SecDevOps environment with proven ability to deliver on commitments. + Knowledge of software design patterns **Required Experience in:** + Extensive Experience in building large scale web applications + Experience building websites using JS frameworks such as React or Angular + Experience building applications using Java, Spring boot, JSON, and JavaScript + Experience with Databases such PostgreSQL or Oracle + Experience with automated deployment tools such as Jenkins + Experience in Test Driven Development frameworks + Ready to embrace a fast-paced work environment with deadlines and new challenges + Excellent debugging and optimization skills + Solid understanding of CI/CD pipeline **Preferred Qualifications:** + Experience with Amazon Web Services (AWS) + Familiarity with version control systems such as Git/Github + Experience enhancing the performance of high-traffic sites + Google Cloud experience **Original Posting Date:** 2024-10-14 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 onlyand 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. REQNUMBER: R-00146147 All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.