Principal Software Engineer Global Commerce & Information, Inc.Principal Software EngineerWindsor Mill, MDImplementation of Graphical User Interface (GUI) using the presentation tier technologies such as AngularJS, ReactJS, Node JS, Type Script, JavaScript, JSP, HTML, CSS, XML, AJAX, and jQuery, Front end development using modern JavaScript and experience with ES13+ features, such as classes, arrow functions, template literals and modules. Demonstrate a strong understanding of the latest trends in Artificial Intelligence (AI) and showcase the ability to apply AI knowledge to enhance or redesign existing system architectures, identifying opportunities where AI-driven solutions can add value, improve efficiency, or enable new capabilities.
Senior Software Engineer Visionist, Inc.Senior Software EngineerLaurel, MD$205,000–$236,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. The analytics developed and deployed in these ecosystems are critical to ensuring that the data flowing through the agency can be leveraged by analysts to perform mission critical reporting and decision making.
Lead Software Engineer (Sail) AppianLead Software Engineer (Sail)Mclean, VA$150,000–$300,000 / yearGrowth Opportunities: Appian provides a diverse array of growth and development opportunities, including our leadership program tailored for new and aspiring managers, a comprehensive library of specialized department training through Appian University, skills based training, and tuition reimbursement for those aiming to advance their education. Preferred Requirements: MS in Computer Science or related field/degree and 5+ years of relevant experience, or a BS and 7+ years of relevant experience; Experience in a high-volume or critical production service environment; Fluency in Java, React & Typescript; Experience with Multi-threading / Lock-Free vs.
Lead Software Engineer SAIL Appian CorpLead Software Engineer SAILMcLean, VA$150,000–$300,000 / yearGrowth Opportunities: Appian provides a diverse array of growth and development opportunities, including our leadership program tailored for new and aspiring managers, a comprehensive library of specialized department training through Appian University, skills based training, and tuition reimbursement for those aiming to advance their education. Preferred Requirements: MS in Computer Science or related field/degree and 5+ years of relevant experience, or a BS and 7+ years of relevant experience; Experience in a high-volume or critical production service environment; Fluency in Java, React & Typescript; Experience with Multi-threading / Lock-Free vs.
Forward Deployed Software Engineer AirForward Deployed Software EngineerArlington, VirginiaIn a typical week, the individual who fills this position could expect to: - Spend the day onsite with users, listening to problems and asking questions seeking to understand pain points - Collaborate with product managers and designers to scope, architect, and deliver 0-to-1 product initiatives and prototypes. - Assess, prioritize, and correct the most important gaps in prototype solutions under development based on user feedback and in partnership with product managers - Fail often, iterate quickly, and try again This role is a full-time position located out of our office in Arlington, VA, Pittsburgh, PA, or Remote.
SPOC Engineer Inmarsat Government, IncSPOC EngineerReston, VAFull timeThese activities may be under guidance or instruction from management/support personnel or conducted directly by the individual and will include routine on-station operational tasks on the satellites and Ground Control System (GCS), special activities in response to non-nominal conditions, off-line support functions, together with first level trouble shooting and anomaly resolution of the satellites and GCS. Leveraging an industry-leading scalable, multi-band network infrastructure, Inmarsat Government offers a suite of managed network services and end-to-end communication solutions to support users on land, at sea and in the air, even in the world’s most remote regions.
Data Scientist/software Engineer - Junior (Remote) SynergisticITData Scientist/software Engineer - Junior (Remote)McLean, VARemote$78,000–$127,000 / yearFull timeSynergisticIT works especially well for candidates such as: recent grads in CS/Engineering/Math/Stats, jobseekers who were laid off and need an updated stack, career switchers who want a guided plan, candidates with career gaps, people with “learning but not hired” bootcamp history, experienced professionals not landing interviews, and international candidates on F1/OPT needing a clear employment pathway. Since 2010, SynergisticIT has helped thousands of candidates secure full-time roles with leading companies and recognizable brands—think Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Intel, Walmart Labs, Citi, JPMC, Bank of America, Wayfair, and many more—often in the $95k to $154k offer range depending on role, location, and skillset.
NewLead Software Engineer (AWS Cloud Engineer + Java Applications) Lumen Solutions Group, Inc.Lead Software Engineer (AWS Cloud Engineer + Java Applications)Reston, VARemoteWe provide a wide array of experienced business and IT professionals supporting clients from solution design to implementation and support. Seeking a hands-on Senior/Lead Software Engineer to support the modernization and migration of existing on-prem applications to AWS.
Senior Software Engineer - Cybersecurity & Devops CACI International Inc.Senior Software Engineer - Cybersecurity & DevopsLinthicum, MD$131,800–$290,000 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. We are seeking a skilled Software Developer with DevOps experience to enhance our Active Network Defense (AND), Computer Network Defense (CND), and Information Security Continuous Monitoring (ISCM) capabilities.
Senior Software Engineer, Open Harness Engineering NVIDIA CorpSenior Software Engineer, Open Harness EngineeringDCIn this role, you will work hands-on across open-source agent harnesses, sandboxed execution, model-provider infrastructure, and agent benchmarks to help improve the next generation of agents. We are looking for a Senior Software Engineer to help build the core libraries, evaluation systems, and reusable harness capabilities that make AI agents safer, faster, and easier for developers to trust.
Aerospace Modeling & Simulation Software Engineer (TS/SCI) VantorAerospace Modeling & Simulation Software Engineer (TS/SCI)Herndon, VirginiaThis is a hands-on technical role for a software developer with an aerospace mindset—someone who enjoys designing practical tools, improving simulation capabilities, working with large technical datasets, and translating complex mission needs into reliable, maintainable software. Bachelor’s degree from an accredited college or university in Computer Science, Software Engineering, Aerospace Engineering, Electrical Engineering, Mechanical Engineering, Mathematics, Physics, or a related technical field.
NewSoftware Engineer, Python Vets HiredSoftware Engineer, PythonVienna, VirginiaThe Python Software Engineer will design, develop, test, and maintain software solutions supporting advanced data science and computer vision capabilities. The role involves developing scalable and maintainable applications, working with modern cloud and software technologies, and collaborating within an Agile environment.
Senior Java Software Engineer Trusted Space, LLCSenior Java Software EngineerHerndon, VA$130,000–$200,000 / yearTrusted Space is the premier provider of trusted autonomy and battlespace management software solutions enabling machine speed sensing, sense making, decision making, and acting for critical space and intelligence missions. The ideal candidate has experience with the Java programming language, object-oriented design, debugging, and optimizing complex systems, and works effectively in a collaborative, agile development environment.
Cleared Software Engineer Intern - Summer 2027 CACI International IncCleared Software Engineer Intern - Summer 2027Sterling, VA$39,900–$79,900 / yearDay-to-day expectations include solving challenging, but rewarding technical problems, meeting program objectives within the agile development cycle, suggesting ways to improve UX/UI and the software baseline, and introducing new ways to meet mission needs. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Software Engineer-TS/SCI with Poly CACI International IncSoftware Engineer-TS/SCI with Polylinthicum, MD$113,200–$237,800 / yearResponsibilities: The software engineer will provide the development, test, deploy, and sustainment of various Python based ReST end points, microservices, and data model management capabilities utilizing Django and Flask frameworks to interact with data models such as MariaDB, MongoDB, and PostgreSQL and send data upon request, in JSON format, to UI front ends. The Opportunity: As part of the Secure the Enterprise initiative, develop capabilities to shift from the current manual system security evaluation and authorization process to a new model that emphasizes automation, streamlined processes and approvals, continuous monitoring and assessment, and network data gathering across the entire life cycle of a project.
Navigation Software Engineer Blue OriginNavigation Software EngineerWashingtonand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
Sr. Software Engineer - TS/SCI Poly required EmtakSr. Software Engineer - TS/SCI Poly requiredMarylandAnalyze user requirements to derive software designs for new applications or modifications to existing software, ensuring the addition of new features and capabilities aligns with project goals. Work closely with cross-functional teams, including system architects, QA engineers, and project managers, to ensure software meets user requirements and is delivered on schedule.
NewPrincipal Software Engineer VantorPrincipal Software EngineerHerndon, VirginiaWorking within an Agile DevSecOps environment, the Senior Developer collaborates with ontology engineers, software engineers, database engineers, data engineers, and Government stakeholders to deliver high-quality software that supports operational mission requirements. This position develops application services, APIs, user interfaces, and backend components that leverage enterprise ontologies, knowledge graphs, and Semantic Web technologies to support data interoperability and mission workflows.
Senior Software Engineer PEMCCO Logistic Services LLCSenior Software EngineerWashington, DCMasters degree in Computer Science, Software Engineering, Computer Engineering, Information Systems, Information Technology, Mathematics, or a related technical discipline Ten (10) years of experience in software engineering, software development, application development, systems development, or a related technical field Advanced knowledge of software engineering principles, practices, and methodologies Knowledge of software development lifecycle processes and industry best practices Knowledge of software architecture, design patterns, and application integration concepts Knowledge of software testing, quality assurance, and debugging techniques Ability to analyze complex technical requirements and develop effective software solutions Ability to troubleshoot and resolve complex software defects and performance issues Strong analytical, organizational, and problem-solving skills Ability to communicate technical information effectively to technical and non-technical audiences Ability to lead technical efforts and collaborate across multidisciplinary teams Ability to develop, review, and maintain technical documentation and software artifacts Ability to obtain and maintain a government security clearance if required. Advanced coursework or specialized training in software engineering, cloud computing, cybersecurity, artificial intelligence, machine learning, or related disciplines Experience supporting Department of Defense or Federal Government programs Experience leading software development efforts or technical teams Experience working within Agile, Scrum, DevSecOps, or similar development environments Experience developing enterprise, distributed, or mission-critical applications Experience supporting software integration, testing, and deployment activities Experience mentoring software development personnel.
Principal Application Software Engineer Oracle CorpPrincipal Application Software EngineerReston, VA$99,600–$209,500 / year11 years of software development experience; or bachelor''s degree in a relevant technical field and 7 years of software development experience; or master''s degree in a relevant technical field and 5 years of software development experience; or doctorate in a relevant technical field and 3 years of software development experience. Continuous Improvement: Develops ideas, recommends updates, and/or collaborates on the implementation of process improvements to increase the efficiency and effectiveness of processes, protocols, and workflows across teams, and evaluates the impact on key stakeholders.