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.
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.
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).
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.
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.
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.
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.
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.
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).
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.
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.
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.
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.
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.
Software Developer, Lead - .NET / React / Cloud LCG, Inc.Software Developer, Lead - .NET / React / CloudMaryland, MD$100,000–$150,000The 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.
Software Developer - Senior Amentum Services IncSoftware Developer - SeniorMD$140,000–$147,000 / yearSkilled in data visualization and use of graphical applications, including Microsoft Office (Power BI) and Tableau; major data science languages, such as R and Python; managing and merging of disparate data sources, preferably through R, Python, or SQL; statistical analysis; and data mining algorithms. Data Management: 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.
Software Developer - Expert Amentum Services IncSoftware Developer - ExpertMD$165,000–$173,000 / yearSkilled in data visualization and use of graphical applications, including Microsoft Office (Power BI) and Tableau; major data science languages, such as R and Python; managing and merging of disparate data sources, preferably through R, Python, or SQL; statistical analysis; and data mining algorithms. Data Management: 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.
Enterprise Software Developer Brown Advisory IncEnterprise Software DeveloperBaltimore, MD$110,000–$130,000 / yearAbu Dhabi | Austin | Baltimore | Boston | Delaware | Frankfurt | London | Nashville | New York | North Carolina | San Francisco | Singapore | Southern California | Tokyo | Virginia | Washington, D.C. Brown Advisory seeks to hire an enterprise software developer to join a team focused on improving efficiencies and delivering technology capabilities for the firm. • Experience using leading cloud providers and cloud native software architectures (AWS, Azure) Experience using leading cloud providers and cloud native software architectures (AWS, Azure).
Full Stack Software Developer EvapcoFull Stack Software DeveloperMarylandThis role is ideal for an engineer who enjoys solving complex integration problems, building intuitive user experiences, and delivering reliable systems that operate in high-availability manufacturing environments (production lines, inventory movement, quality workflows, equipment data, etc.). You will develop solutions across web, desktop, and mobile using Microsoft technologies including ASP.NET Core MVC, Blazor, WPF, and .NET MAUI , enabling real-time visibility and streamlined workflows from the shop floor to the back office.
Software Developer (TS/SCI w/Poly) Parsons CorpSoftware Developer (TS/SCI w/Poly)Columbia, MD$103,500–$181,100 / yearContributing to a culture of technical excellence by sharing knowledge, mentoring teammates, conducting design/code reviews, and continually sharpening your own skills in programming, Windows internals, Linux internals, and low‑level engineering. Working with the vulnerability research team to gather relevant information on proof-of-concept exploits they generate and engaging with the customer to ensure the product meets operational needs.
CNO Software Developer Accenture Federal ServicesCNO Software DeveloperFort Meade, MDThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $116,900—$243,100 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
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.
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.
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.
Entry Level Software Developer SkillStormEntry Level Software DeveloperBaltimore, MDVeterans and transitioning service members: this model - structured training, a clear mission, clearance-eligible work, relocation handled - is built for the way you already operate. You''ll spend 12 weeks in paid, hands-on training working real, team-based projects - then deploy directly to an enterprise or government client, effective day one.
NewSoftware Developer in Test - Software Test Engineering Becton Dickinson and CoSoftware Developer in Test - Software Test EngineeringSparks, MD$95,900–$153,400 / yearWaters collaborates with analytical laboratories around the world to advance the release of effective, high-quality medicines, assure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combatting growing antibiotic resistance. This role involves designing, developing, and executing comprehensive test plans and cases for complex software systems, ensuring high-quality product releases and contributing to the overall success of Augusta Life Sciences US OpCo I LLC.
Software Developer, Systems Software MATRIX SYSTEMS & TECHNOLOGIES INCSoftware Developer, Systems SoftwareBowie, MDRemoteProven experience in building fault-tolerant systems for high availability. **Candidate must hold MBI Clearance with IRS experience**.
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.
NewData Scientist - AI/ML (Senior Software Developer; Systems Software) Avid Technology Professionals LLCData Scientist - AI/ML (Senior Software Developer; Systems Software)Columbia, MDExposure to AWS (Amazon Web Services), Cisco (CCNA), and/or STIGs/IAVA, Big Data Platform (BDP). Bachelor's degree in relevant field and 8 years of experience; an advanced degree will be considered in lieu of years of experience.
NewSenior Data Scientist (Senior Software Developer; Systems Software) Avid Technology Professionals LLCSenior Data Scientist (Senior Software Developer; Systems Software)Columbia, MDExtensive experience with various database technologies including graph databases (e.g., Neo4j), SQL databases (e.g., PostgreSQL, MySQL), NoSQL databases (e.g., MongoDB, Cassandra), and vector databases. Qualifications - Degree from an accredited college or university in System Engineering or related discipline and one of the following: - 10+ years of experience with a Master's degree - 12+ years of experience with a Bachelor's degree - 16+ years of experience with Associate's Degree or HS Diploma.
NewData Scientist, Principal (Senior Software Developer; Systems Software) Avid Technology Professionals LLCData Scientist, Principal (Senior Software Developer; Systems Software)Columbia, MDExposure to AWS (Amazon Web Services), Cisco (CCNA), and/or STIGs/IAVA, Big Data Platform (BDP). Bachelor's degree in relevant field and 8 years of experience; an advanced degree will be considered in lieu of years of experience.
NewData Scientist (Senior Software Developer; Systems Software) Avid Technology Professionals LLCData Scientist (Senior Software Developer; Systems Software)Columbia, MDExposure to AWS (Amazon Web Services), Cisco (CCNA), and/or STIGs/IAVA, Big Data Platform (BDP). Bachelor's degree in relevant field and 8 years of experience; an advanced degree will be considered in lieu of years of experience.
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.
Software Developer Nightwing Intelligence SolutionsSoftware DeveloperAnnapolis Junction, Maryland$64,000–$128,000 / yearOur 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.
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.
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.
Mid-Level Software Developer Omniscius ConsultingMid-Level Software DeveloperLaurel, MarylandThe 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.
Software Developer Web Applications IV (Applications Developer) GAMA-1 TechnologiesSoftware Developer Web Applications IV (Applications Developer)Greenbelt, MDFull timeGAMA-1 is seeking a remote Software Developer Web Applications IV (Applications Developer) with experience in the research, design, and development of computer and network software or specialized utility programs. The Software Developer Web Applications IV (Applications Developer r) will analyze user needs, develop software solutions, update software, or enhance existing software capabilities.
Full Stack Software Developer - TS/SCI with Polygraph GD Information TechnologyFull Stack Software Developer - TS/SCI with PolygraphBethesda, MarylandTo 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. Education : Bachelor's Degree (Computer Engineering, Computer Science, Electrical Engineering, Information Systems, Information Technology, Cybersecurity, or a closely related discipline).
NLM Sr. Software Developer Ripple EffectNLM Sr. Software DeveloperRockville, MD$118,168–$135,894The Software Developer will play a key role in supporting the National Library of Medicine (NLM)—a global leader in biomedical research and data science—in its efforts to accelerate biomedical discovery and improve public health through data-powered research. We deliver multi-disciplinary solutions across Communications & Outreach , Research & Evaluation , Program Management & Policy , Digital Transformation , and Technical & Scientific Support solutions with a focus on science, research, and healthcare domains.
NLM Software Developer Ripple EffectNLM Software DeveloperRockville, MD$98,474–$113,245The Software Developer will play a key role in supporting the National Library of Medicine (NLM)—a global leader in biomedical research and data science—in its efforts to accelerate biomedical discovery and improve public health through data-powered research. We deliver multi-disciplinary solutions across Communications & Outreach , Research & Evaluation , Program Management & Policy , Digital Transformation , and Technical & Scientific Support solutions with a focus on science, research, and healthcare domains.
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.
NewSoftware Developer (JAMMEX) Virtual Technologies GroupSoftware Developer (JAMMEX)Fort Meade, MDRemoteFull timeAs 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 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.
Lead Software Developer Leidos Holdings IncLead Software DeveloperGaithersburg, MD$87,100–$157,450 / yearAAC is part of the FAA's broader initiative to modernize legacy flight service systems, replacing aging infrastructure with a scalable, cloud-based platform designed to improve safety and operational efficiency-particularly in remote and high-dependency aviation environments like Alaska. Leidos is seeking Lead Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Alaska Automation Capability (AAC).
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?