Software Engineer - TS/SCI Poly required EmtakSoftware Engineer - TS/SCI Poly requiredAnnapolis Junction, Maryland$160,000–$272,000 / yearSalary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. In this role, you’ll design, develop, and enhance advanced software systems—from real‑time processing tools to large‑scale data solutions.
NewSenior Wireless Software Engineer - MAC Control Plane - TeraWave Blue OriginSenior Wireless Software Engineer - MAC Control Plane - TeraWaveBay Area, Washingtonand/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.
Senior Software Engineer (C#/.NET) CoStar Group IncSenior Software Engineer (C#/.NET)Arlington, VA$143,000–$187,000 / yearCoStar is investing heavily in artificial intelligence to accelerate software delivery, improve platform observability, automate research and business workflows, enhance product experiences through intelligent agents and skills, and improve data quality across enterprise systems. As a Senior Software Engineer on the Platform Development team, you will play a key role in expanding the data platform that supports all of CoStar Group's largest brands including CoStar Suite, LoopNet, Homes.com and Apartments.com.
Expert CNO Software Engineer ManTech International CorpExpert CNO Software EngineerHanover, MD$141,500–$236,000 / yearThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
Senior CNO Software Engineer ManTech International CorpSenior CNO Software EngineerHanover, MD$141,500–$236,000 / yearThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
NewPrincipal Software Engineer – Supply Chain Technology Blue OriginPrincipal Software Engineer – Supply Chain TechnologySpace Coast, Washington$230,773–$323,081.85 / 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. 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.
Software Systems Integration Engineer III (Top Secret / Sensitive Compartmented Information Clearance Required) Blue OriginSoftware Systems Integration Engineer III (Top Secret / Sensitive Compartmented Information Clearance Required)Washingtonand/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. 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.
Software Engineer L3 Jovian ConceptsSoftware Engineer L3Annapolis Junction, Annapolis JunctionIn a recent employee survey, Jovian Concepts earned a 92% Overall Workplace Experience Score and 100% of employees agreed that they would highly recommend working at Jovian Concepts to others. The successful candidate will be responsible for ensuring the smooth operation of sensitive communication systems, from development to deployment, and will work closely with cross-functional teams to ensure software meets user requirements.
Software and Systems Development Engineer – Test Framework MarkonSoftware and Systems Development Engineer – Test FrameworkArlington, Virginia$120,000–$200,000 / yearFull timeDescription: PLEX Solutions, A Part of Markon is looking for experienced Software and Systems Development Engineers to support the design, development, deployment, and ongoing maintenance of a new Test Framework - a purpose-built test orchestration and asset management platform. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.
Software & Platform Engineer IT Concepts IncSoftware & Platform EngineerMcLean, VA$165,000–$185,000 / yearThis role is ideal for engineers who thrive in writing code, designing, architecting, and building technical solutions, and experimenting with new technologies - while also understanding how applications operate on modern cloud platforms. Evaluate, champion, and define adoption strategies for emerging techno.logies that align innovation with enterprise architecture, security, and compliance frameworks that offer genuine competitive advantage and organizational efficiency, and drive value.
NewPrincipal Software Engineer - Dataplane & Edge Infrastructure Blue OriginPrincipal Software Engineer - Dataplane & Edge InfrastructureBay Area, Washington$290,709–$406,991.55 / 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. 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.
Software Engineer III - Applied AI Blue OriginSoftware Engineer III - Applied AIWashingtonand/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'll take meaningful ownership over the architecture and delivery of agentic, workflow-driven search and discovery platforms - powering enterprise knowledge graphs and AI-assisted retrieval systems that help Blue Origin teams find critical data in seconds.
Senior Software Engineer (Sweep) IntraFiSenior Software Engineer (Sweep)Arlington, VirginiaYou will be working on a team of engineers with a broad range of skills to develop new products, modernize existing systems, and support our customers using new and traditional technologies, such as MS SQL, SQL Server, AWS/cloud, and related technologies. As the nation’s largest deposit allocation service provider and the inventor of reciprocal deposits, IntraFi has spent over two decades creating dynamic solutions that help financial institutions grow, manage liquidity, and serve their communities.
Software Engineer L0 Jovian ConceptsSoftware Engineer L0Annapolis Junction, Annapolis JunctionThe successful candidate will be responsible for ensuring the smooth operation of sensitive communication systems, from development to deployment, and will work closely with cross-functional teams to ensure software meets user requirements. In a recent employee survey, Jovian Concepts earned a 92% Overall Workplace Experience Score and 100% of employees agreed that they would highly recommend working at Jovian Concepts to others.
Software Development Engineer MarkonSoftware Development EngineerArlington, Virginia$120,000–$200,000 / yearFull timeDemonstrate advanced networking expertise including TCP/IP protocols, routing, subnetting, VPN architectures, load balancing strategies, DNS management, and network security controls such as firewalls, security groups, and network segmentation for secure cloud and on-premises environments. Design and develop backend services and APIs in Rust for a cloud-based platform that manages fleet lifecycle operations including provisioning, configuration, monitoring, firmware updates, and policy enforcement across multiple high assurance devices.
Cloud Software Engineer-TS/SCI with poly PeratonCloud Software Engineer-TS/SCI with polyAnnapolis Junction, Maryland$104,000–$166,000 / yearFull timePeraton offers enhanced benefits to employees supporting 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 eligibility to participate in an attractive bonus plan. A Bachelor's Degree in Computer Science or in a related technical field from an accredited college or university is highly desired which will be considered equivalent to two (2) years of experience.
Junior Level/ Entry Level Software Engineer (Remote) SynergisticITJunior Level/ Entry Level Software Engineer (Remote)Dupont Circle, DCRemote$95,000–$154,000 / yearSynergisticIT 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, Client, Walmart Labs, Client, Banking, Client, Wayfair , and many more—often in the $95k to $154k offer range depending on role, location, and skillset.
Software Engineer, Level 1 BitwiseSoftware Engineer, Level 1Columbia, MarylandYou'll leverage AI tools and techniques to accelerate analysis and rapidly prototype new solutions, and you'll collaborate closely with full-stack engineers to make sure your results surface in ways that are clear, useful, and impactful. You'll be part of a group building mission-critical infrastructure cognizance tooling: systems that aggregate data sources to paint a clear picture of what infrastructure was requested, what was actually deployed, and where the two don't match.
Software Engineer – Inference BitwiseSoftware Engineer – InferenceLaurel, MarylandMission needs shift fast, new technologies emerge constantly, and you'll be expected to turn loosely defined problems into working solutions. We're looking for a Software Engineer to join our AI infrastructure team and help build the next generation of capabilities powering our customer's most critical missions.
Software Engineer BitwiseSoftware EngineerColumbia, MarylandWe're looking for a Software Engineer to join a team working at the cutting edge of agentic AI, developing a production-grade platform that powers intelligent, autonomous workflows in a real operational environment. You'll integrate diverse data sources and external APIs, design real-time analytics pipelines, and help shape how agents operate and deliver results in demanding, complex environments.