Software Engineer I- CoStar Suite- Arlington, VA CoStar Group IncSoftware Engineer I- CoStar Suite- Arlington, VAArlington, VA$103,000–$154,000 / yearIncluded 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.
NewSenior AI/ML Software Engineer PeratonSenior AI/ML Software EngineerColumbia, Maryland$176,000–$282,000 / yearFull timeSpecifically you will: Design, develop software applications using Gradle Java, Python; Gather and evaluate end-user and customer requirements; Write, test, debug and deploy code; Perform code reviews to maintain quality; Troubleshoot and resolve defects and performance issues; Contribute to project planning; Collaborate with product managers, developers, SMEs, and leadership contributing to strategic initiatives; Design user interface to be widely accessible across the customer community; Explore LLM and AI integration opportunities; Design interfaces/bridge to external requirements management tools; Mentor junior software engineers. Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.
Full Stack Software Engineer Booz Allen HamiltonFull Stack Software EngineerUsa, District of ColumbiaOnsite : 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. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
SR Software Engineer (Annapolis Junction, MD) Shield Consulting SolutionsSR Software Engineer (Annapolis Junction, MD)Annapolis Junction, MD$235,000–$245,000 / yearRequired Experience: Design and implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; Perform quality control on team products. Confer with system engineers and hardware engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements and interfaces.
Embedded Developer EverwatchEmbedded DeveloperAnnapolis Junction, Maryland$55.28–$80 / hourCompensation at EverWatch is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. You’ll strengthen your skills as you develop and reverse engineer software that supports hardware functionality on a wide range of devices, as well as configure solutions based on the platform being used.
System Engineer with Software Experience-TS/SCI with Poly CACISystem Engineer with Software Experience-TS/SCI with PolyFort Meade, MarylandDevelop derived requirements for Information Assurance Services (Confidentiality, Integrity, Nonrepudiation, and Availability); Basic Information Assurance Mechanisms (e.g., Identification, Authentication, Access Control, Accountability); and Security Mechanism Technology (Passwords, cryptography, discretionary access control, access control, hashing, key management, etc.). Required : Bachelor’s (BS) degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university.
Sr. Software Development Manager Blue OriginSr. Software Development ManagerWashingtonand/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.
Simulation Software Engineer Johns Hopkins University Applied Physics Laboratory LLCSimulation Software EngineerLaurel, MDHave experience in one or more of the following areas: high performance computing (HPC); Nvidia CUDA or other GPU programming; FPGA programming; highly concurrent systems; signal processing; writing software that interfaces with embedded systems hardware or other hardware-in-the-loop (HIL) simulations. The Strike Guidance, Navigation, Control, and Seekers group is looking for a Simulation Software Engineer to help us architect, develop, and modernize physics-based simulations across a wide-ranging set of programs.
Senior Software Engineer - TS/SCI Xcelerate Solutions LLCSenior Software Engineer - TS/SCIBethesda, MDYou will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Manager on a broad scope of activities extending across the development of systems to include middle-tier and backend engineering tasks. This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal's "50 Best Places to Work" list as well as being a "Great Place to Work" certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating.
Web-based User Interface Software Engineer Johns Hopkins University Applied Physics Laboratory LLCWeb-based User Interface Software EngineerLaurel, MDWe apply expertise and use sophisticated tools to lead the design, prototyping, development, analysis, evaluation, and transition of advanced mission planning systems for multiple sponsors to support multiple warfighter missions and multi-echelon planning needs in support of revolutionizing the art of defense. This is a unique opportunity to dive deep into both software engineering and mission planning while using your skills to design, develop, and test User Interfaces for military planning tools associated with air and missile defense (AMD).
Xcelerate Solutions Careers - Senior Software Engineer - Ts/Sci Xcelerate SolutionsXcelerate Solutions Careers - Senior Software Engineer - Ts/SciBethesda, MDYou will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Manager on a broad scope of activities extending across the development of systems to include middle-tier and backend engineering tasks. This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal's "50 Best Places to Work" list as well as being a "Great Place to Work" certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating.
Software Developer (Systems Software) Cognitio CorpSoftware Developer (Systems Software)Chantilly, VirginiaExperience developing testing programs that address areas such as database impacts, software scenarios, regression testing, negative testing, error or bug retests, or usability. Bachelor’s Degree in Computer Science, Information Technology, or other related technical discipline, or the equivalent combination of education, technical training, or work/military experience.
Cloud Software Engineer, TS\/SCI with Polygraph Rivermatrix TechnologiesCloud Software Engineer, TS\/SCI with PolygraphAnnapolis Junction, Annapolis JunctionAs a Senior Cloud Software Engineer, you will operate with a high degree of independence across the full software development lifecycle, including requirements analysis, design, development, integration, testing, deployment, and maintenance. This role focuses on supporting all aspects of agile software design and development for products deployed across large-scale compute clusters.
Sr. Staff Software Engineer (Resilience Engineering) Capital One Financial CorpSr. Staff Software Engineer (Resilience Engineering)McLean, VA$314,800–$359,300 / yearYou will operate as a trusted advisor for our key technologies, platforms and capability domains, creating clear and concise communications, code samples, blog posts and other material to share knowledge both inside and outside the organization. This is a highly visible, strategic leadership role where your expertise will mentor engineering teams and directly shape the long-term reliability and operational maturity of our entire organization.
NewSpace Segment Software Systems Engineer - Senior Blue OriginSpace Segment Software Systems Engineer - SeniorReston, Virginiaand/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. You will be responsible for ensuring efficient integration of flight software into test environments, and with the spacecraft, which includes spacecraft bus software systems, and software products across the entire life cycle (such as architecture definition, requirements formulation, software development plans and processes, and verification processes).
Space Segment Software Systems Engineer - Senior Blue Origin Enterprises LPSpace Segment Software Systems Engineer - SeniorReston, VA$145,188–$203,263.20 / yearand/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 (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. You will be responsible for ensuring efficient integration of flight software into test environments, and with the spacecraft, which includes spacecraft bus software systems, and software products across the entire life cycle (such as architecture definition, requirements formulation, software development plans and processes, and verification processes).
Lead Software Developers Guidehouse IncLead Software DevelopersMcLean, VAThe Lead will guide a development team in enhancing and refactoring legacy applications, building cloud-hosted services with modern languages and frameworks, and delivering production-ready AI capabilities that improve information access, automate workflows, and augment user decision-making. Enhance and refactor legacy applications and databases while developing new APIs, services, automation, and cloud-native components using appropriate modern languages and frameworks, including Python, Java, JavaScript/TypeScript, C#/.NET, Go, or comparable technologies.
Software Developer Verite Group, Inc.Software DeveloperChantilly, VADemonstrated experience using content creation and management tools for web design, web development, programming, graphic design, animation, videography, photography and audio recording, editing and distribution. We've grown on this effort by providing the customer with Engineers who have done exceptional work, and we've retained our staff by paying very strong salaries, and working hard to ensure each Engineer is doing work that aligns with their career interest.
Senior Software/Fullstack Engineer Zp Group LlcSenior Software/Fullstack EngineerWashington, DCRemote$170,000–$180,000 / yearKeywords: Senior Software Engineer, Full Stack Engineer, Full Stack Developer, Software Engineer (Full Stack), JavaScript, React, Node.js, PostgreSQL, Postgres SQL, AWS, Amazon Web Services, REST APIs, API Development, AI-native development, Claude AI, Generative AI, AI integration, Machine Learning, full stack development, scalable applications, backend architecture, frontend UI/UX development, data analytics, predictive analytics, workflow automation, internal tools development, platform development, healthcare technology, Medicaid, care coordination, social services tech, healthtech, community-based platforms, mission-driven, community impact, social good. This role plays a critical part in modernizing care delivery by replacing manual processes with intelligent, data-driven systems that support housing, food access, childcare, and healthcare coordination.
Software Engineer- Developer Tools Tiber TechnologiesSoftware Engineer- Developer ToolsAnnapolis Junction, MarylandThe role emphasizes AI-assisted IDE capabilities, automated code quality workflows, and experimentation with agentic and autonomous systems to support software development tasks. Our collaborative work environment encourages cross functional teamwork, idea sharing, and a collective pursuit of excellence.