Software Developer

LEIDOS seeks a software developer for work in a dynamic environment supporting operations, data analysis, and data visualization tools. The candidate will work closely with the customer and product users to solve complex data-driven problems throughout the entire software development lifecycle of both existing and new applications. The ideal candidate has the capacity to work both front and back-end portions of a software environment. The candidate will participate in software requirements elicitation, design and development, troubleshooting, system backup/restore, and software enhancements. The candidate is expected to analyze and solve complex use case problems and adhere to well established software design and development principles. A strong candidate will be a self-starter and energized by the capability to learn and implement new skills across both software engineering and user domains.Candidates who do not currently possess an active TS/SCI will not be considered.On-Site Requirement:The position requires on-site presence at Joint Base San Antonio.Key ResponsibilitiesCollaborate directly with Subject Matter Experts (SMEs) and client stakeholders to deliver high-quality technical and application support for multiple utility company applications.Provide technical support, maintenance, and troubleshooting for enterprise-level applications, including Commercial Off-the-Shelf (COTS) solutions.Investigate, diagnose, and resolve software issues, application errors, and system performance problems.Respond to user inquiries, service requests, and trouble tickets in a timely and professional manner.Research and analyze technical issues to identify root causes and implement effective solutions.Manage and prioritize multiple support requests and open issues based on urgency, business impact, and established service-level expectations.Follow established change management processes and best practices when implementing application updates, fixes, and proposed solutions.Perform application debugging, troubleshooting, and minor bug fixes to maintain system functionality and reliability.Monitor application and internal system performance, proactively identifying potential issues and opportunities for improvement.Collaborate with technical teams to escalate and resolve complex application issues while minimizing business disruptions.Provide on-call technical support as needed to ensure application availability and operational continuityBasic QualificationsRequires BS and 4+ years of prior relevant experience or Masters with 2+ years of prior relevant experience, additional years of experience will be accepted in lieu of a degree.Demonstrated experience in an object-oriented language such as Java, C#/.NETDemonstrated experience in PythonDemonstrated experience with JavaScript frameworks (e.g. React.js/Node.js/Next.js)Experience working with relational (e.g., MySQL) and non-relational (e.g., MongoDB) databasesExperience with Windows and Linux operating system environmentsExperience with code repositories, such as Subversion and GitExperience with UI/UX design and best practices, able to translate requirements into a clean and functional interfaceExperience developing software for large sets of Geospatial dataTroubleshoot and problem solve both technical and non-technical issuesAble to research and adapt to unfamiliar technologiesMust have an active DoD Secret clearance with the ability to obtain a Top Secret /SCI. Preferred QualificationsUnderstanding of cloud infrastructure and services (e.g., IaaS)Understanding of various data formats, such as CSV, JSON, XML, etc.Experience with ETL processesExperience handling big data setsExperience with containerization (e.g., Docker and Kubernetes)Experience with ActiveMQIf 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:October 30, 2026For 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 $87,100.00 - $157,450.00The 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.SummaryLocation: San Antonio, TXType: Full time