Software Engineer I- CoStar Suite- Arlington, VA CoStar GroupSoftware Engineer I- CoStar Suite- Arlington, VAArlington, VirginiaIncluded in the S&P 500 Index, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. . We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers.
Senior Software Engineer (ML) Bigbear.aiSenior Software Engineer (ML)Columbia, MarylandFull timeThe software engineer will work closely with data scientists and end users to develop innovative analytic tools to further discovery and tradecraft around critical global challenges, then deliver innovative solutions focused on operationalizing data science. Customers and partners rely on Bigbear.ai’s predictive analytics capabilities in highly complex, distributed, mission-based operating environments.
Actionet, Inc. Careers - Software Engineer - Mid-Level & Senior-Level (2 Openings) ActioNet, Inc.Actionet, Inc. Careers - Software Engineer - Mid-Level & Senior-Level (2 Openings)Vienna, VAActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT Solutions Provider with strong qualifications and expertise in Agile Software Engineering, Cloud Solutions, Cyber Security and IT Managed Services. Extensive experience with software lifecycle management, including automated testing, documentation, code versioning, change management, release management, quality assurance, testing, and configuration management.
Software Engineer - Mid-Level & Senior-Level (2 Openings) ActioNet IncSoftware Engineer - Mid-Level & Senior-Level (2 Openings)Arlington, VAActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT Solutions Provider with strong qualifications and expertise in Agile Software Engineering, Cloud Solutions, Cyber Security and IT Managed Services. Extensive experience with software lifecycle management, including automated testing, documentation, code versioning, change management, release management, quality assurance, testing, and configuration management.
Senior Test Engineer GliaCell TechnologiesSenior Test EngineerAnnapolis Junction, MDFull timeWe also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. Design, build, and maintain AWS infrastructure including but not limited to EC2, Lambdas, S3, SNS, SQS, Event Router, Athena, Step Functions using Terraform and auto scaling.
Principal Test Engineer LeidosPrincipal Test EngineerBethesda, MarylandCollaborate with team members (Scrum Master, Product Owner, Software Developers) to develop test approaches with emphasis on automation of recurring/regression test cases through selected toolsets. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
Spacecraft GNC Integration & Test Engineer Quantum SpaceSpacecraft GNC Integration & Test EngineerRockville, MarylandPlan and execute GNC hardware characterization and calibration activities, including inertial sensor characterization (Allan variance, bias instability, and angular random walk), sensor alignment, timing synchronization and phasing, and spacecraft magnetic characterization campaigns. Analyze spacecraft telemetry and test data to identify root cause, recommend corrective actions, and improve GNC subsystem performance throughout integration, environmental test, and flight operations.
2027 Internship - Software Engineer/Data Scientist/Ontologist - Threat Analytic Systems Johns Hopkins University Applied Physics Laboratory LLC2027 Internship - Software Engineer/Data Scientist/Ontologist - Threat Analytic SystemsLaurel, MDWe are a team of software engineers, data scientists, and knowledge representation experts who partner with experts across a wide range of domains including countering weapons of mass destruction (CWMD), special operations, intelligence analysis, biothreat security, online disinformation, and disease surveillance. Our goal is to research and build innovative AI-enabled systems that can identify and prioritize relevant data in a timely and scalable manner and accelerate our sponsors' abilities to observe and act on threat activities.
Graphics Software Engineer Johns Hopkins University Applied Physics Laboratory LLCGraphics Software EngineerLaurel, MDPossess a BS with 8+ years, an MS with 6+ years, or a PhD with 3+ years of experience in Computer Science, Computer Engineering, Electrical Engineering, Applied Mathematics, Physics, or a related technical field, developing graphics, rendering, simulation, game-engine, or other GPU rendering software. We are seeking a creative, driven, and motivated software engineer to help invent, build, and sustain engineering rendering software for producing complex scenes, objects, and simulation-derived data.
Software Engineer II Alarmcom Holdings IncSoftware Engineer IITysons, VA$88,300–$122,550 / yearOur comprehensive suite of solutions-including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness-is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
Lead Software Product Engineer Enabled IntelligenceLead Software Product EngineerFalls Church, VAFull timeUS CitizenshipMinimum 2 years experience as a software product managerMinimum of 5 years experience writing production applications in Python and web frameworks including DjangoExperience developing and maintaining database schemas in MySQL and PostgresDeep understanding of SQL languageExperience eliciting, managing and prioritizing feature requests from product usersDesired Qualifications and Skills:Active TS us security clearance Experience building dashboards, preferably using GrafanaExperience with mitigating and remediating security vulnerabilitiesPhysical Requirements Prolonged periods of sitting at a desk and working on a computer Background Check & Security Clearance Applicants selected will be subject to background investigation and must have an active Secret Security clearance and the ability to obtain a TS-SCI clearance. Responsibilities Managing the roadmap, priorities, and codebase for the EI's Enki Product Line including: metrics dashboard (Enki Insights), EI data annotation job aid tool (Enki Job Aid), and EnkI OrchestrationMaintaining product functionality and useMaintaining up to date product documentation,Meet with product users to identify and prioritize feature requestsWork with and manage an external software developer to finalize the next release of the productsManage and code future product updates, enhancements, and featuresRequired Qualifications and Skills Active Secret Security Clearance with ability to obtain a TS-SCI clearance.
Sr. Software Engineer Zp Group LlcSr. Software EngineerReston, VARemote$170,000–$180,000 / yearKeywords: Senior Software Engineer, Full Stack Engineer, React, Node.js, PostgreSQL, AWS, AI-powered development, healthcare technology, startup, distributed systems, event-driven architecture, HIPAA, cloud engineering, remote. The Senior Software Engineer role focuses on building a greenfield, internally facing platform that unifies patient data and supports community-based care for Medicaid populations across multiple states.
Software Engineer II Alarm.comSoftware Engineer IITysons, VirginiaOur comprehensive suite of solutions—including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness—is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
Software Engineer II Alarm.com IncorporatedSoftware Engineer IITysons Corner, VA$88,300–$122,550 / yearOur comprehensive suite of solutions-including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness-is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
Software Engineer II Reflexive ConceptsSoftware Engineer IIHanover, MarylandBachelor’s Degree or higher in Computer Science or a related technical field An additional four (4) years of software engineering experience may be substituted for the degree, for a total of nine (9) years. You will contribute across development and enhanced testing, participate throughout the software development lifecycle, and bring ideas to the team's data marking challenges while keeping to the relevant policies.
AI Software Engineer Precision SolutionsAI Software EngineerFt. Meade, MarylandAgentic Coding Harness Testing Framework — Build and maintain the framework that executes repeatable tests against agentic coding harnesses, consuming the datasets and scenarios produced by Fuzzy blocks and running them alongside the Data Scientists' InspectAI benchmarks to measure agent performance and reliability. They work closely with Researchers and Data Scientists to convert prototypes, notebooks, and evaluation workflows into reliable, maintainable, and well-tested software, and they support operation of that software across both HS and LS environments.
HPC Software Integration Engineer Orbis OperationsHPC Software Integration EngineerAnnapolis JunctionRequired Clearance: Active Security Clearance required at the Top Secret (TS)/Special Compartmented Information (SCI) level and appropriate level Polygraph Role Description: The successful candidate will provide expertise in integrating, installing, configuring, upgrading, compiling and supporting COTS/GOTS software in a heterogeneous operating system environment. Position Requirements: Level 3 Bachelor's Degree in Computer Science or related discipline plus 8 years of demonstrable experience with integrating, installing, configuring, upgrading, compiling, and supporting COTS/GOTS software in a heterogeneous operating system environment OR.
Senior Java Software Engineer / Scrum Master LeidosSenior Java Software Engineer / Scrum MasterGaithersburg, MarylandThis work aligns with the FAA’s broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency—particularly in remote and high-dependency aviation environments. This is a hybrid technical role where approximately 50% of your time will be spent designing, developing, testing, and maintaining production software , while the remaining 50% will be dedicated to serving as Scrum Master for an Agile development team.
Java Software Engineer - Scrum Master LeidosJava Software Engineer - Scrum MasterGaithersburg, MarylandThis work aligns with the FAA’s broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency—particularly in remote and high-dependency aviation environments. This is a hybrid technical role where approximately 50% of your time will be spent designing, developing, testing, and maintaining production software , while the remaining 50% will be dedicated to serving as Scrum Master for an Agile development team.
Backend Software Engineer — Secure Mission Systems RacknerBackend Software Engineer — Secure Mission SystemsLaurel, MDThis role offers broader ownership across backend engineering, secure delivery, distributed services, automated testing, and collaboration with software, AI/ML, cloud, and cybersecurity teams. You will take hands-on ownership of APIs, service integrations, data flows, distributed workflows, and automated testing—not simply complete isolated development tickets.