Senior Full Stack Python Developer (On -Site) Lion FederalSenior Full Stack Python Developer (On -Site)Falls Church, Falls ChurchLion Federal is a dynamic and rapidly expanding tech company dedicated to delivering cutting-edge AI-powered solutions tailored for enterprise-level clients, including the U.S. Federal government. You will collaborate with cross-functional teams, including front-end developers, AI/ML experts, and DevOps, to ensure the seamless execution of our product’s architecture and functionality.
Senior Software Developer LeidosSenior Software DeveloperChantilly, VirginiaAdditionally, after a one-year onboarding period, the candidate will be required to be included in an on-call, one week duty rotation that will require them to address any system issues that occur after normal working hours. August 11, 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.
Software Developer LeidosSoftware DeveloperChantilly, VirginiaExperience with Public Key Infrastructure (PKI) and understand key concepts like digital certificates, Certificate Authorities (CAs), Registration Authorities (RAs), key management practices, cryptographic algorithms, certificate revocation procedures, and trust models. Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor's Enterprise PKI System as well as IdAM IICAM, Authentication, Authorization, Attributes and Digital Policy Management.
Full Stack Developer, Team Lead LeidosFull Stack Developer, Team LeadAshburn, VirginiaYou will participate in and/or 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. The Homeland Sector within Leidos is seeking a Full Stack Software Developer Team Lead, with strong systems, software, cloud, and Agile experience to support a complex program to provide Agile development.
Software Developer BAE Systems PlcSoftware DeveloperReston, VA$97,008–$164,914 / yearAbout BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. We''re seeking a highly skilled OSINT Software Developer to join our dynamic team, supporting our government customer in driving innovation, efficiency, and security in the rapidly evolving landscape of government mission and business information technology.
Senior Software Developer - U.S. Based Hybrid Opportunity Common Application IncSenior Software Developer - U.S. Based Hybrid OpportunityArlington, VAOur senior software developer position reports to our Senior Director of Software Development and is part of a team of developers designing and developing both web-based and mobile software products for Common App. Our software developers also assist in managing the production system to ensure quality in support of the end-user experience and will serve as mentors or provide direct guidance to other Software Developers.
Software Developer - US Based Hybrid Opportunity Common Application IncSoftware Developer - US Based Hybrid OpportunityArlington, VAOur Software Developer position reports to our Senior Director of Technology Strategy and is part of a team of developers designing and developing both web-based and mobile software products for Common App. Each year we support more than 1 million students, one-third of whom are first-generation, as they apply to our more than 1100 diverse member colleges & universities using the Common App's free online application.
React Developer (Always Recruiting) Dev Talent NetworkReact Developer (Always Recruiting)WashingtonDev's Talent Network is designed to create a network of talented applicants who are interested in working for Dev Technology and are waiting for a job opening that matches their skills and experience. The Dev Talent Network is a community of highly qualified technical and management professionals recognized by Dev to demonstrate strong alignment with our company culture.
NewSalesforce System Analyst Apex Developer Children's National HospitalSalesforce System Analyst Apex DeveloperDC$65,124.80–$108,555.20 / yearThe Salesforce System Analyst/Developer partners closely with clinicians, operational leaders and technology stakeholders to gather requirements, translate business needs into technical solutions, and deliver scalable applications that support patient engagement, access, intake, scheduling, care coordination, population health initiatives, and service delivery. Working in a highly collaborative healthcare environment, the role contributes to the successful integration of Salesforce with the electronic health record, patient-facing digital tools, and other enterprise systems to create a connected experience for patients, families, providers, and staff.
Software Developer - Multiple Levels - TS/SCI Poly Required LeidosSoftware Developer - Multiple Levels - TS/SCI Poly RequiredReston, Virginia$87,100–$157,450 / yearMay 6, 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. 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.
NewSenior Data Analytics Developer Greystones Consulting GroupSenior Data Analytics DeveloperWashington, District of ColumbiaThis role is responsible for designing, developing, modernizing, and maintaining enterprise applications, data platforms, dashboards, and automated workflows that transform complex data into actionable intelligence for analysts and senior decision-makers. Greystones Group is a fast-growing woman-owned small business supporting our Nation’s Defense and Critical Infrastructure Agencies with best-in-class artificial intelligence and big data analytics capabilities.
NewCloud Operations Solutions Developer (Ts/Sci Clearance Required) NorthHill TechnologyCloud Operations Solutions Developer (Ts/Sci Clearance Required)Springfield, VirginiaNorthHill Technology Resources has a need for a Cloud Operations Solutions Developer to support a Federal Program in Springfield, VA . Education and Experience: Bachelor’s degree in Computer Science, Engineering, or a related technical field.
NewWar Exercise Developer Booz Allen HamiltonWar Exercise DeveloperArlington, Virginia$77,600–$176,000 / yearSupport Air Force wargaming as part of a collaborative team focused on the design, development, and execution of rapid-turn, small-scale wargames, Tabletop Exercises (TTXs), and related events. Experience supporting wargames, Tabletop Exercises (TTXs), or scenario-based analytic events, including notetaking, client management, facilitation support, or data synthesis.
NewSenior Servicenow Developer/Engineer (Ci Polygraph Required) NorthHill TechnologySenior Servicenow Developer/Engineer (Ci Polygraph Required)Sterling, VirginiaMust meet DOD 8140 requirements (Security+ CE Certification at minimum) Must possess ServiceNow Certifications Demonstrated expertise as a senior ServiceNow engineer delivering similar scope projects Understanding of all security related requirements in secure environments Familiar with Agile Methodologies and ability to accurately decompose tasks for Jira stories Expert troubleshooting and solutioning skills Strong technical documentation skills Preferred Education, Experience, & Skills: STEM degree Experience with Model-Based Systems Engineering (MBSE) Experience configuring tools providing end to end visibility, monitoring, and analytics (e.g. AppDynamics, DynaTrace) Integration of virtualized applications and application streaming or layering techniques Experience leading and overseeing a total system perspective including technical understanding of relationships, dependencies and requirements of cloud services, infrastructure and security domains Experience with IBM Enterprise Lifecycle Management, TeamWork Cloud/Cameo experience, Microsoft Project and/or Tableau
NewJava Developer, Senior Booz Allen HamiltonJava Developer, SeniorChantilly, VirginiaWe’re looking for a Java developer who enjoys solving complex problems, building high‑quality systems, and is eager to expand into modern enterprise platforms such as Salesforce, Tableau, Informatica, and MuleSoft. Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
NewUniversity, 2027 Summer Games Software Developer Intern - McLean, VA Booz Allen HamiltonUniversity, 2027 Summer Games Software Developer Intern - McLean, VAMcLean, Virginia$53,000–$108,000 / yearTeams have also helped to develop an app that gives military commanders an easy way to track real-time and open-source information about developing situations, including sudden attacks, fighting human trafficking, and even tracking the spread of a disease worldwide. Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
University, 2027 Summer Games Software Developer Intern - Mclean, VA Booz Allen Hamilton Inc.University, 2027 Summer Games Software Developer Intern - Mclean, VAMclean, VA$53,000–$108,000 / yearTeams have also helped to develop an app that gives military commanders an easy way to track real-time and open-source information about developing situations, including sudden attacks, fighting human trafficking, and even tracking the spread of a disease worldwide. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
NewNeuroengineering Developer Johns Hopkins Applied Physics LaboratoryNeuroengineering DeveloperLaurel, MarylandFull timeYour primary role will be developing and maintaining computational pipelines, scalable analysis tools, and cloud-based environments for interrogating large-scale neuroscience datasets, including structural and functional connectomes collected across multiple species and imaging modalities. You will develop, maintain, and extend the software infrastructure that supports cloud-scale storage, visualization, and analysis of petabyte-scale neuroscience datasets used by researchers worldwide.
NewSenior Neuroengineering Developer Johns Hopkins Applied Physics LaboratorySenior Neuroengineering DeveloperLaurel, MarylandFull timeYour primary role will be leading the development and maintenance of computational pipelines, scalable analysis tools, and cloud-based environments for interrogating large-scale neuroscience datasets, including structural and functional connectomes collected across multiple species and imaging modalities. Have demonstrated experience designing and deploying production software using modern cloud infrastructure (AWS or equivalent), containerization (Docker, Kubernetes), databases (SQL and/or NoSQL), RESTful APIs, and modern software engineering practices.
NewPower Platform Developer Booz Allen HamiltonPower Platform DeveloperUsa, District of ColumbiaAs a Power Platform Developer, you will design, develop, and deploy advanced solutions using Microsoft Power Platform technologies, including Power Automate, Power Apps, and Power BI, in support of cybersecurity governance, risk, and compliance (GRC) initiatives. Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.