Software Developer (CNO) System OneSoftware Developer (CNO)Fort Meade, MD$140,000 / hourSystem One, and its subsidiaries including Joulé, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Lead the designing, developing, documenting, testing, debugging, and maintenance of hardware or software based CNO capabilities.
Software Developer Associate General Dynamics Information TechnologySoftware Developer AssociateAnnapolis Junction, MD$66,602–$80,500 / yearA global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development.
Senior Software Developer LeidosSenior Software DeveloperGaithersburg, MD$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . June 8, 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.
NewAppian Software Developer/Integrator LeidosAppian Software Developer/IntegratorBethesda, MD$107,900–$195,050We integrate off the shelf and new development efforts to sustain and enhance existing architecture and by leveraging cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems to provide cutting edge requirements management, task coordination, data exploitation, enrichment, triage, and analytics capabilities to Defense and Intelligence Community members. Leidos is designing, developing, deploying, and operating a DoD-wide Tasking, Collection, Processing, Exploitation, and Dissemination (TCPED) workflow management platform for Open Source Intelligence (OSINT).
Software Developer LeidosSoftware DeveloperGaithersburg, MD$69,550–$125,725If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . June 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 Development Engineer JobotSoftware Development EngineerCape Saint Claire, MD$65–$80 / hourDevelopers at this level are building greater independence, taking ownership of small to medium-sized work items, and strengthening their core engineering skills across multiple application layers, including user interfaces, services, APIs, and data. Our teams include professionals across software engineering, product development, clinical informatics, research, and healthcare technology who share a commitment to reducing complexity and improving outcomes for patients and providers.
Senior Oracle Apex Developer Savantage SolutionsSenior Oracle Apex DeveloperRockville, MDRemote$75,000–$110,000 / yearp>Savantage Solutions is seeking a Oracle APEX Developer to join our core engineering team supporting Altimate, a proprietary Federal Financial Management System deployed for federal agency clients. Factors considered when extending an offer include but are not limited to, job responsibilities, education, experience, knowledge, skills, certifications, seniority, performance, and alignment with market data.
Senior Software Engineer (C++ / Java) JobotSenior Software Engineer (C++ / Java)MONTGOMRY VLG, MD$165,000–$185,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. This role is ideal for a seasoned engineer who enjoys solving complex technical challenges, contributing to system architecture, and partnering closely with Systems Engineering, Development, and Test teams to deliver robust, scalable solutions.
Software Engineer (TS/SCI & full scope Polygraph) JobotSoftware Engineer (TS/SCI & full scope Polygraph)Annapolis Junction, MD$80,000–$220,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
Sr. Software Engineer JobotSr. Software EngineerGaithersburg, MD$140,000–$165,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.
NewJunior NextGen Developer DCS CorporationJunior NextGen DeveloperCalifornia Maryland, MDRemote$73,160–$120,000 / yearDCS is seeking an experienced Junior Developer to join its teams developing exciting and modern Air Force and Navy next-generation mission planning software on an Agile/SAFe team. Contribute to software development as part of a team contributing to a multi-team, multi-organization enterprise using Scaled Agile Framework (SAFe).
NewPrincipal Software Engineer (SWE-4) LeidosPrincipal Software Engineer (SWE-4)Annapolis Junction, MD$131,300–$237,350Our 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. Seeking an experienced and talented software developer to join an existing team that develops and manages software products and tools integral to discovering new mobile data related to the mission.
NewServiceNow Developer System OneServiceNow DeveloperFort Meade, MD$90 / hourIdentify trends and find patterns in unstructured and semi-structured customer data that can be used to create a more positive customer experience and increase overall network performance. Design and build ServiceNow Applications and integrations to other applications and platforms, including architecture, languages, best practices, and methodologies in an Agile Scrum environment.
NewSalesforce Developer (Senior) The Coleman Group, Inc.Salesforce Developer (Senior)Annapolis, MD$125,000–$145,000 / yearSalesforce Developer Schedule: Onsite Annapolis Maryland (Eligible for a Hybrid Schedule - 2 days remote and 3 days onsite per week after a two week fully onsite training period). The wage range for this role factors the wide range of issues that are considered in making compensation decisions including but not limited to training, experience, certifications, licenses, and other organizational and business needs.
NewAI Software Engineer Lead LeidosAI Software Engineer LeadGaithersburg, MD$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . Requires BS degree (Computer Science, Engineering or related field) and 10+ year’s of prior relevant experience OR, MS with 7+ year’s of prior relevant experience; OR 7 years of additional experience in lieu of degree.
Lead Security Engineer with TS/SCI Poly LeidosLead Security Engineer with TS/SCI PolyAnnapolis Junction, MD$154,050–$278,475The selected individual will lead all security engineering efforts for a large, complex network environment with geographically distributed systems; and will manage a team of Information Systems Security Officers (ISSOs) and Information Systems Security Engineers (ISSEs), providing technical leadership and direction to meet program requirements. At least twelve years of experience with defense-in-depth principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.
Junior Software Developer Nightwing Intelligence SolutionsJunior Software DeveloperAnnapolis Junction, MarylandOur capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges.
Principal Software Engineer (AI - Assisted Developer Tooling) GliaCell TechnologiesPrincipal Software Engineer (AI - Assisted Developer Tooling)Laurel, 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. The role emphasizes AI-assisted IDE capabilities, automated code quality workflows, and experimentation with agentic and autonomous systems to support software development tasks.
Senior Software Developer VidooriSenior Software DeveloperHyattsville, MarylandThis role focuses on delivering high‑quality software, contributing technical leadership within squads, and collaborating closely with product and design in an inclusive environment that values continuous learning and pragmatic innovation. Strong hands‑on experience with modern web and cloud‑native stacks, microservices or service‑oriented architectures, and RESTful or event‑driven APIs.
Mid-Level Software Developer Omniscius ConsultingMid-Level Software DeveloperLaurel, MDFull timeThe ideal candidate is a motivated software developer who enjoys solving technical challenges, supporting production applications, and continuously learning new technologies in a fast-paced mission environment. We are seeking a Mid-Level Software Developer to join a collaborative engineering team supporting mission-critical Human Resources applications for a national security customer.
Embedded Software Developer StratAcuity Staffing Partners IncEmbedded Software DeveloperAberdeen Proving Ground, MD$60–$75 / hourIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. As an Embedded Software Developer, you will support a team in engineering solutions for complex challenges by designing, developing, and testing embedded software for RF capabilities.
C++ Software Developers SURVICE Engineering CompanyC++ Software DevelopersLexington Park, MD$100,000–$130,000 / yearDevelop new code, update existing code, or convert older code using current programming languages and techniques (e.g., C/C++ in a Windows and/or Linux environment using open source libraries like Qt and Boost; Java, Python, C#, etc.). They have also contributed their expertise to other vital national defense programs and technologies that involve survivability, cybersecurity, information technology/ management, software engineering, unmanned aerial systems (UASs), and metrology/reverse engineering.
CNO Software Developer REDLatticeCNO Software DeveloperMaryland, MDWith offices in Northern Virginia, Melbourne, Florida, Tel Aviv, Israel, and other strategic locations, REDLattice continues to grow while maintaining a culture focused on innovation, technical excellence, and mission impact. Our teams conduct cutting-edge vulnerability research, reverse engineering, exploit development, and cyber capability development to solve complex challenges across the evolving cyber landscape.
Senior CNO Software Developer REDLatticeSenior CNO Software DeveloperMaryland, MDIn lieu of a degree, 11+ years of directly related experience may be substituted• Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Cybersecurity, or a related technical discipline. With offices in Northern Virginia, Melbourne, Florida, Tel Aviv, Israel, and other strategic locations, REDLattice continues to grow while maintaining a culture focused on innovation, technical excellence, and mission impact.
Senior Software Developer CACISenior Software DeveloperBethesda, MarylandPay 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. CACI is seeking a highly motivated Senior Software Developer to support an Intelligence Community (IC) customer focused on improving cross IC code sharing and enterprise software efficiency.
React Software Developer Omniscius ConsultingReact Software DeveloperLaurel, MDFull timeAs a React Software Developer, you will be responsible for maintaining, enhancing, and supporting production web applications that facilitate collaboration and business processes between the Department of Defense and industry partners. We are seeking a talented React Software Developer to support mission-critical enterprise applications used across acquisition, finance, human resources, logistics, security, program management, and other corporate services.
Software Developer Leidos Holdings IncSoftware DeveloperBethesda, MD$69,550–$125,725 / yearFor 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. You'll be at the cutting edge, working with state-of-the-art tech to shape naval training systems like CIAT - Combined Integrated Air and Missile Defense (IAMD) and Anti-Submarine Warfare (ASW) Trainer.
Senior Software Developer VTGSenior Software DeveloperHanover, MarylandFull timeOverview: As a Senior Software Engineer supporting mission-essential national security initiatives, you will design, develop, integrate, and maintain secure, high-performance software solutions that enable critical intelligence, defense, and operational missions. Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design.
Full Stack Software Developer Omniscius ConsultingFull Stack Software DeveloperLaurel, MDFull timeThis role offers the opportunity to develop, enhance, and sustain enterprise applications that support critical business operations while working with modern development tools, cloud technologies, and Agile methodologies. The ideal candidate is a well-rounded software engineer who enjoys solving complex technical challenges, developing scalable applications, and supporting production systems in a fast-paced environment.
Software Developer, Lead - .NET / React / Cloud LCGSoftware Developer, Lead - .NET / React / CloudBethesda, MarylandThe Technical Lead will provide hands-on technical leadership across multiple enterprise application initiatives and collaborate closely with Project Managers, Architects, Developers, QA Engineers, DevOps teams, and Government stakeholders to deliver scalable, secure, and high-performing software solutions. Job Overview: We are seeking a highly skilled Software Developer, Lead to support the design, development, modernization, and maintenance of enterprise web and mobile applications supporting NIH mission-critical systems.
Senior Software Developer VTG.Senior Software DeveloperHanover, MDThe software engineer should have experience with enterprise backend development (preferably, with Java), interfacing with a database, and some experience passing objects between programming layers using Google Protocol Buffers, RPC, or a variant thereof. This position will support a mission-focused customer developing, deploying, and maintaining user-facing Command and Control Systems for embedded devices.
Software Developer CACISoftware DeveloperBethesda, MarylandPay 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. CACI is seeking a highly motivated and independent Software Developer to support an Intelligence Community (IC) customer focused on improving cross IC code sharing and enterprise software efficiency.
Sr. Software Developer Leidos Holdings IncSr. Software DeveloperMD$154,050–$278,475 / yearYou will be responsible for analyzing and resolving highly complex software issues related to multiple aspects and components of the system; collaborate with other experts within the program and in the user community to design, develop, and debug existing software, and to design and develop enhancements that incorporate new capabilities into various components of the existing systems; provide technical leadership for software development activities as a member of an agile team and will actively participate in program increment planning and related team activities. Preferred Qualifications: Experience with the following: JEE, SQL, application servers (Tomcat, WebLogic, JBoss), scripting; experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration.
NewSoftware Developer (JAMMEX) Virtual Technologies GroupSoftware Developer (JAMMEX)Fort Meade, MarylandRemoteAs a leading managed services, cybersecurity, and IT consulting firm, we support a diverse range of customers, giving you the opportunity to tackle unique challenges and stay ahead in a rapidly evolving industry. Relevant computing environment (CE) or developer certification from a nationally recognized technical authority (e.g., Microsoft Certified: Azure Developer, AWS Certified Developer, or equivalent).
Software Developer (.NET) (Sign-on Bonus Eligible) Amentum Services IncSoftware Developer (.NET) (Sign-on Bonus Eligible)MD$140,000–$147,000 / yearWe are seeking Software Developers and Data Analysts with at least two years of experience in website coding, basic graphics techniques, Structured Query Language (SQL), Hypertext Markup Language (HTML), and Extensible Markup Language (XML). Data Management: o Utilize Entity Framework (EF) Core, Code First, Migrations, and LINQ syntax to manage data interactions with SQL Server, including data insertion, querying, updating, and deletion.
Appian Software Developer/Integrator - TS/SCI VMD CorpAppian Software Developer/Integrator - TS/SCIBethesda, MDWe integrate off the shelf and new development efforts to sustain and enhance existing architecture and by leveraging cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems to provide cutting edge requirements management, task coordination, data exploitation, enrichment, triage, and analytics capabilities to Defense and Intelligence Community members. 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.
2026 Graduate - Software Developer - Tactical System Prototyping and Deployment Johns Hopkins University Applied Physics Laboratory LLC2026 Graduate - Software Developer - Tactical System Prototyping and DeploymentLaurel, MDSubject areas differ widely over time, but our current projects focus on improving the exploitation of airborne and ground based sensor data through object tracking, multi-sensor correlation, data management, and operational data display as well as on intelligent networks, resilient autonomy, and non-kinetic warfare integration. • Completed coursework or internships involving complex software development, particularly in the areas of object oriented programming, database design, signal processing, artificial intelligence, machine learning, data visualization, and user interfaces.
Senior Software Developer CACI International IncSenior Software DeveloperBethesda, MD$103,800–$218,100 / 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. CACI is seeking a highly motivated Senior Software Developer to support an Intelligence Community (IC) customer focused on improving cross IC code sharing and enterprise software efficiency.
Software Engineer 3 (AI Assisted Developer Tooling) Bigbear.aiSoftware Engineer 3 (AI Assisted Developer Tooling)Columbia, MarylandFull timeThis role emphasizes AI-assisted IDE capabilities, automated code quality workflows, and experimentation with agentic and autonomous systems to support software development tasks. Overview: BigBear.ai is seeking a Software Engineer 3 to focus on improving the productivity and experience of software developers by building and integrating advanced development tooling.
OCO Software Developer/Engineer GD Information TechnologyOCO Software Developer/EngineerAnnapolis JunctionTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
Junior Software Developer (Active TS/SCI with Poly Required) GD Information TechnologyJunior Software Developer (Active TS/SCI with Poly Required)Annapolis JunctionTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. At General Dynamics Information Technology (GDIT) you'll be part of a team that makes a true impact by building cutting-edge mission-critical applications that help the end user accomplish their mission and keep people safe.
Software Developer Space Ground System SolutionsSoftware DeveloperWelcome, MDFull timeSpace Ground Systems Solutions (SGSS), a wholly owned subsidiary under the Parsons Corporation, is passionate about making our nation the undisputed leader in Space because we understand that ensuring our security for future generations depends on it. Required Education: Bachelor of Science degree in Computer Science/Engineering or other relevant Engineering field from an accredited university or equivalent combination of formal education and experience.
Software Developer Sabre Systems LLCSoftware DeveloperPatuxent River, MarylandBachelor's Degree in a Computer Science, Computer Systems Information Management, IT, Electrical Engineering or Mathematics with 3-5 years of experience in Java software development. Overview: Sabre Systems, LLC, has been providing innovative technological solutions and services for Department of Defense, Federal Civilian, and commercial customers for more than 35 years.
Software Developer PeratonSoftware DeveloperLinthicum, Maryland$135,000–$216,000 / yearFull timeResponsibilities: Peraton is seeking a Software Developer in our Linthicum, MD office in support of our Department of Defense (DoD) customer as part of a highly talented, highly motivated, and high-performing team. The successful candidate will contribute to protecting national security interests by leveraging technical expertise, analytical skills, and innovative problem-solving to address complex cyber challenges.
AI Software Developer Leidos Holdings IncAI Software DeveloperGaithersburg, MD$69,550–$125,725 / yearAs a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities. 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.
Lead AI Software Developer Leidos Holdings IncLead AI Software DeveloperGaithersburg, MD$87,100–$157,450 / yearWhat You'll Do Design, develop, and maintain microservices-based applications using modern software engineering best practices Collaborate with product owners, architects, and engineers in an Agile/SAFe environment Participate in sprint planning, daily standups, reviews, and retrospectives Collaborate with systems engineering and program teams to translate requirements into working software solutions Develop clean, maintainable, and testable code following CI/CD and DevSecOps practices Contribute to system design discussions and technical decision-making Integrate services with databases, messaging systems, and external APIs Support troubleshooting, performance tuning, and continuous improvement Work closely with QA, DevOps, and platform teams to ensure reliable delivery Implement modern automated testing strategies, including unit, integration, contract, and end-to-end testing Use AI-assisted development tools to accelerate coding, refactoring, debugging, and test creation Core Technical Qualifications: Bachelor's degree in Computer Science, Engineering, or a related technical field (or equivalent experience) 4+ years of relevant experience or a Master's Degree and 2+ years of relevant experience Hands-on experience building and supporting microservices-based systems Proficiency in at least one modern programming language (e.g., Java, Python, C++, or similar on a Linux-based system) Experience or exposure to AI/ML-enabled systems (Claude-Code), automation, or intelligent platforms. Experience working in Agile environments Understanding of APIs and distributed system concepts Ability to obtain and maintain a Public Trust U.S. citizenship required Successful completion of background investigations as required by the government customer Preferred / Desired Qualifications Experience with Git-based version control and CI/CD pipelines Familiarity with Scaled Agile Framework (SAFe) Experience working with relational and/or NoSQL databases Hands-on experience with Kafka or other event-streaming technologies Cloud experience (AWS, Azure, or GCP) Containerization and orchestration experience (Docker, Kubernetes) Experience working in DevSecOps environments * Experience with test automation frameworks and integration of automated test suites into CI/CD pipelines Why Leidos?
In Office Software Developer and Microsoft Power Platform Engineer Ghanem Forwarding LLCIn Office Software Developer and Microsoft Power Platform Engineer68 Alco Place, MDWe want someone who will sit in the office, learn our business end‑to‑end, understand how our systems are actually used by real people, and help us build, fix, and improve internal platforms that drive operations. -You’ll work hands‑on with leadership, operations, and technical systems—and you’ll be expected to suggest better solutions, not just follow tickets.