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.
Scrum Master/Python Developer Technical Lead Futrend TechnologyScrum Master/Python Developer Technical LeadMcLean, VirginiaThis role is ideal for someone who enjoys working at the intersection of development, lead and coordination; at the intersection of agility and innovation—helping teams move quickly from idea to AI-powered prototype while maintaining clarity, focus, and momentum. This role is focused on enabling a cross-functional team to rapidly design, build, and iterate on AI-driven solutions under tight timelines.
Software Engineer 3 - Linux/Bash/Python/Apache Airflow/SQL/Jupyter Notebook/NumPy/JSON Captivation SoftwareSoftware Engineer 3 - Linux/Bash/Python/Apache Airflow/SQL/Jupyter Notebook/NumPy/JSONAnnapolis JunctionMinimum Qualifications: Master's degree in Computer Science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. Bachelor's degree in Computer Science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
Scientific Software Developer (Dc, Nova) Stellar Science Ltd CoScientific Software Developer (Dc, Nova)Tysons Corner, VASupport software development in the following domains: space domain awareness (SDA), laser source generation and effects modeling, high power microwave systems modeling and simulation, computational electromagnetics (CEM), space systems modeling, atmospheric modeling, high performance computing (HPC), computer aided design (CAD) tools, image simulation, computer vision, image processing, artificial intelligence (AI), machine learning (ML), and more. We hire smart Scientists and Software Engineers who love to create and maintain high quality, extensible scientific codes, and want to learn and adopt modern C++ practices.
Scientific Software Developer (DC, NoVA) Stellar Science Ltd CoScientific Software Developer (DC, NoVA)VASupport software development in the following domains: space domain awareness (SDA), laser source generation and effects modeling, high power microwave systems modeling and simulation, computational electromagnetics (CEM), space systems modeling, atmospheric modeling, high performance computing (HPC), computer aided design (CAD) tools, image simulation, computer vision, image processing, artificial intelligence (AI), machine learning (ML), and more. We hire smart Scientists and Software Engineers who love to create and maintain high quality, extensible scientific codes, and want to learn and adopt modern C++ practices.
Full Stack Python/DevOps Developer Futrend TechnologyFull Stack Python/DevOps DeveloperBethesda, MarylandThis position requires strong full-stack engineering capabilities across Python/Django, Java/Spring Boot, and Node.js, paired with DevOps skills that support automated, secure, AWS-based cloud environments. Futrend is seeking a Mid-Level Full Stack & DevOps Engineer to support the National Library of Medicine (NLM) in developing, modernizing, and securing enterprise web applications.
UI Java/Python Developer, Mid-Level TS/SCI with Poly REQUIRED CGI IncUI Java/Python Developer, Mid-Level TS/SCI with Poly REQUIREDArlington, VANTKN=c&clid=21001&Page=JobDetails&Jobid=J0626-1308&BRID=1308890〈=1 from 43.228.92.154 on June 16 2026, 00:37:03 UTC. If you are attempting to access this site using an anonymous Private/Proxy network, please disable that and try accessing site again.
Software Developer, Python - Security Clearance Required ICFSoftware Developer, Python - Security Clearance RequiredAdelphi, Maryland$81,499–$138,549 / yearPay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. This role will support development and evaluation of machine learning (ML) algorithms for resource constrained devices such as Unmanned Air/Ground Vehicles (UAV/UGV) toward realizing efficient and effective Intelligence, Surveillance, Reconnaissance (ISR) in tactical environments.
Python Integration Developer Polar IT ServicesPython Integration DeveloperHanover, MarylandStrong experience building/consuming REST APIs and Orchestrations working with AWS/Azure services like Amazon API Gateway, Lamda, Step Function, Amazon S3, Amazon SQS, MQ, Event Bridge, MSK (Managed Streaming for Apache Kafka), CloudWatch. This role focuses on API-based integrations , application-to-application orchestration , and event-driven messaging (JMS ) with a strong emphasis on reliability, automated reprocessing, and production support readiness across Dev/SIT/UAT/Prod environments.
Full-Stack Developer - Python/JavaScript/CSS/REST/Docker Captivation SoftwareFull-Stack Developer - Python/JavaScript/CSS/REST/DockerAnnapolis Junction, MD$130,000–$270,000 / yearSecurity Clearance: Must currently hold a Top Secret/SCI U.S. Government security clearance with a favorable Polygraph, therefore all candidates must be a U.S. citizen. Bachelor's degree in Computer Science or related discipline from an accredited college or university is required.
Java Developer Iconma LLCJava DeveloperMcLean, VAProblem-Solving: Strong analytical skills with proven ability to rapidly assess complex situations, make sound technical decisions, and implement effective solutions under pressure. Collaborative solution delivery: partner with business stakeholders to gather requirements, leverage proof-of-concepts for technical decisions, and implement solutions with crossfunctional teams.
Software Engineer 3- Python/Kotlin/Java/Terraform/ElasticSearch/OpenSearch/AWS Captivation SoftwareSoftware Engineer 3- Python/Kotlin/Java/Terraform/ElasticSearch/OpenSearch/AWSAnnapolis Junction, MD$130,000–$270,000 / yearCaptivation Software is looking for a senior level software engineer with experience in Python, Kotlin/Java, Terraform, Elasticsearch/OpenSearch and AWS. Security Clearance: Must currently hold a Top Secret/SCI U.S. Government security clearance with a favorable Polygraph, therefore all candidates must be a U.S. citizen.
Software Engineer 4 - Linux/Shell/Python/Perl/Splunk/Kafka/IaC/CI/CD/Git Captivation SoftwareSoftware Engineer 4 - Linux/Shell/Python/Perl/Splunk/Kafka/IaC/CI/CD/GitAnnapolis Junction, MD$130,000–$270,000 / yearCaptivation Software is looking for a senior level software engineer who shall be part of a team responsible for designing, developing and maintaining a comprehensive distributed Metrics and Monitoring solution for HPC systems to ensure the reliability, performance, and scalability of HPC infrastructure. Minimum Qualifications: Master's degree in Computer Science or related discipline from an accredited college or university, plus ten (10) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
Systems Engineer 2 (Travel Required) - RF/Python Captivation SoftwareSystems Engineer 2 (Travel Required) - RF/PythonAnnapolis Junction, MD$130,000–$270,000 / yearMinimum Qualifications: A Bachelor's degree in a Qualified Engineering Field or a related discipline from an accredited college or university plus four (4) year of systems engineering experience. Familiar with RF tools (network analyzers, signal generators, spectrum analyzers, oscilloscopes) and components (amplifiers, filters, isolators, attenuators, terminators, etc.).
We're Hiring - Software Engineers (Java/C++/Python) TS/SCI w/Poly Lockheed Martin CorpWe're Hiring - Software Engineers (Java/C++/Python) TS/SCI w/PolyMD$128,200–$225,975 / yearPay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $128,200 - $225,975. Bachelor's degree in Computer Science or a related discipline from an accredited college or university is required or Four (4) years of additional experience on projects with similar software processes may be substituted for a bachelor's degree.
We're Hiring - Software Engineers (Java/C++/Python) Ts/Sci W/Poly Lockheed Martin CorporationWe're Hiring - Software Engineers (Java/C++/Python) Ts/Sci W/PolyAnnapolis Junction, MD$128,200–$225,975 / yearPay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $128,200 - $225,975. Bachelor's degree in Computer Science or a related discipline from an accredited college or university is required or Four (4) years of additional experience on projects with similar software processes may be substituted for a bachelor's degree.
Senior DevOps Engineer (Hybrid) - AWS/Java/Linux/Ansible/Git/Python Captivation SoftwareSenior DevOps Engineer (Hybrid) - AWS/Java/Linux/Ansible/Git/PythonMarylandMinimum Qualifications: 9+ years of experience in DevOps Engineering or Software Development and Bachelors in related field; or 7 years relevant experience with Masters in related field; or High School Diploma or equivalent and 13 years relevant experience. The ideal candidate will have strong working knowledge in Linux systems administration, and a background in Big Data solutions, configuration management, automation, scripting, and AWS.
NewJava Developer Bridge Core (BCore)Java DeveloperMcLean, Virginia$160,000–$200,000 / yearFull timeBcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions. Whether it’s architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and agility of our teams.
Sr. Java Developer Bigbear.aiSr. Java DeveloperWashington, Washington, DCFull timeThe ideal candidate will have deep expertise in enterprise Java application development and a proven track record of upgrading complex software infrastructures in secure, regulated environments. You will collaborate with cross-functional teams, ncluding security, infrastructure, and business stakeholders, to ensure seamless upgrades with minimal operational disruption.
DevOps Engineer - AWS/Ansible/Linux/Python Captivation SoftwareDevOps Engineer - AWS/Ansible/Linux/PythonColumbia, MD$130,000–$270,000 / yearMinimum Qualifications: 5+ years of experience in DevOps Engineering or Software Development (Java preferred) and Bachelors in related field; or 3 years relevant experience with Masters in related field; or High School Diploma or equivalent and 9 years relevant experience. The ideal candidate will have strong working knowledge in Linux systems administration, and a background in Big Data solutions, configuration management, automation, scripting, and AWS.
Senior CNO Developer SixGenSenior CNO DeveloperAnnapolis Junction, MarylandSIXGEN is actively seeking candidates to provide embedded operational support, develop advanced cyber capabilities, and deliver mission-focused software solutions in support of critical customer operations. This role combines software engineering, rapid prototyping, vulnerability research, and close collaboration with mission partners to develop and integrate cutting-edge cyber capabilities.
AI ML Solution Architect & Developer Manager Protiviti IncAI ML Solution Architect & Developer ManagerVA$145,000–$232,000 / yearImagining our work as a journey, we believe integrity guides our way, inclusion moves us forward together, innovation creates new destinations, and our commitment to success empowers us to deliver on our vision to be the most trusted global consulting firm. Collaborating with internal stakeholders to create AI-enabled solutions for repeatable business problems and develop functional prototypes to validate feasibility and applicability of AI technologies to practical use cases and challenges.
Software Engineer - Python/FASApi/JavaScript/JSON/CSS/MongoDB/Docker Captivation SoftwareSoftware Engineer - Python/FASApi/JavaScript/JSON/CSS/MongoDB/DockerAnnapolis Junction, MD$130,000–$270,000 / yearCaptivation Software is looking for a software engineer to provide customer support and infrastructure services with quick response capabilities for SIGINT and Cyber Solutions. Security Clearance: Must currently hold a Top Secret/SCI U.S. Government security clearance with a favorable Polygraph, therefore all candidates must be a U.S. citizen.
Senior Appian Developer ICFSenior Appian DeveloperReston, VirginiaRemote$119,323–$202,850 / yearPay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. ICF combines public-sector domain expertise with an ecosystem of platform partners and digital practices to rapidly deliver complex, scalable solutions that achieve clients' mission outcomes and a step change in productivity.
Appian Developer ICFAppian DeveloperReston, VirginiaRemote$98,614–$167,644 / yearPay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. ICF combines public-sector domain expertise with an ecosystem of platform partners and digital practices to rapidly deliver complex, scalable solutions that achieve clients' mission outcomes and a step change in productivity.
Senior Salesforce Developer Polar IT ServicesSenior Salesforce DeveloperReston, Virginia2+ experience in the Salesforce platform (development experience must exceed 5 years) • Knowledge in SOAP API, REST API, and Bulk API • Experience integration Salesforce with 3rd party APIs • Strong skills with HTML, CSS, JavaScript and UI frameworks within Visualforce pages or Lightning components • Experience with development tools such as Visual Force, Git • Deep understanding of the limitations on the Salesforce platform, specifically with governor limits and best practices in delivering solutions. Developer IV performs high complexity (i.e. system level applications) analysis, design, development and unit testing of software applications from user requirements and design documents.
Associate Ai/Ml Software Developer (Req-261) CATHEXISAssociate Ai/Ml Software Developer (Req-261)Tysons, VA$98,700–$120,300 / yearOur values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems.
Full Stack Developer Bigbear.aiFull Stack DeveloperWashington, Washington, DCFull timeWhat we'd like you to have: Working knowledge with software platforms and services, such as, Docker, Kubernetes, JMS/SQS/SNS, Kafka, AWS Lambda, NiFi, Working knowledge with public keys and digital certificates. Overview: BigBear.ai is seeking Software Developers to join our team and help accelerate a federal mission client’s discovery and delivery of identity and network-based intelligence insights to counter national security threats and malicious actors.
Application Developer Bigbear.aiApplication DeveloperAnnapolis Junction, MarylandFull timeYou will bridge the gap between cutting edge research and real-world application, working alongside elite analysts, operators, and data scientists to deliver high-impact, scalable solutions. Collaborate Across Disciplines: Partner closely with cross-functional teams including operators, analysts, and external development shops to translate mission needs into robust software requirements.
Application Developer 3 Bigbear.aiApplication Developer 3Columbia, MarylandFull timeOverview: BigBear.ai is seeking a Application Developer to join exciting, up-and-coming projects where you will design, develop, prototype, modify, and integrate solutions to deliver mission-centric results. This fast-paced and dynamic environment demands a flexible, highly motivated engineer with a strong desire to learn new skills and tackle evolving challenges that are critical to national security.
Senior Developer / Solution Architect (AI/ML & Data Platforms) KEARNEY & COMPANY, P.C.Senior Developer / Solution Architect (AI/ML & Data Platforms)Alexandria, VA$103,000–$180,000 / yearThis role requires deep technical ownership, autonomy, and the ability to independently deliver complex solutions within Palantir Foundry, including ontology modeling, pipelines, transformations, and operational applications. Kearney & Company is seeking a Senior Application Developer with experince of software and data engineering experience to lead advanced, end‑to‑end application development for the U.S. Navy's War Data Platform.
NGTS Software Engineer/Developer American Systems CorpNGTS Software Engineer/DeveloperMDAMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.
Senior Developer/ Leads PeopleNTech LLCSenior Developer/ LeadsAlexandria, VACreate and orchestrate agents using Google ADK: define agents, attach tools/functions, manage sessions and memory, and implement multi-step workflows (sequential/parallel/routed). Role Summary Design and build secure, scalable backend services in Java (Spring Boot) and Python, and deliver production-grade AI agent capabilities using Google Agent Development Kit (ADK).
Full Stack Developer Quadrant IncFull Stack DeveloperBethesda, MD2 years of experience with AWS services and cloud-native architecture patterns, including ECS, Lambda, SQS, SNS, EC2, RDS, DynamoDB, IAM policies, security groups, and network security. 3 years of experience with back-end development, including with back-end languages such as Java, Python, GO, SQL, or C++, and front-end languages such as JavaScript, TypeScript, HTML, or CSS.
Data Integration Software Developer Marathon TSData Integration Software DeveloperReston, VAIntegration Solutions: Develop and implement integration solutions for the GAINS project using Kafka and Elastic as the primary data architecture platforms, with expanded integration to other technologies, including but not limited to Databricks. Education: Bachelor's degree in Computer Science, Mathematics, Physics, Electrical Engineering, Computer Engineering, or related discipline, with 4 years of prior relevant experience; or master's with 2 years with prior relevant experience.
Full-Stack Developer Marathon TSFull-Stack DeveloperAnnapolis Junction, MDMinimum Years of Experience: Fourteen (14) years' experience as a SWE in programs and contracts of similar scope, type, and complexity is required. Collaborate with team of software and systems engineers in an agile environment to analyze requirements and derive user stories and issues for development planning.
Senior Embedded Developer Visionist IncSenior Embedded DeveloperMD$190,000–$240,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. Visionist's software developers perform reverse engineering and low-level development to identify vulnerabilities and develop migrations/solutions across a wide range of devices and software.
Embedded Capabilities Developer Visionist IncEmbedded Capabilities DeveloperMD$135,000–$195,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. This premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support.
Python Developer (AI and/or GIS Specialist) Black CapePython Developer (AI and/or GIS Specialist)Bethesda, MDWe support many programs and agencies as both a prime and a subcontractor and created a strong reputation working with top tier partners doing work for all major Intelligence Community agencies, DoW, and Special Operations customers. Black Cape’s approach to solution development combines lessons learned from developing and deploying applications to customer cloud environments with industry best practices in Agile development and DevOps.
Senior Full Stack Python Developer (On -Site) Lion FederalSenior Full Stack Python Developer (On -Site)Falls Church, Falls ChurchYou will collaborate with cross-functional teams, including front-end developers, AI/ML experts, and DevOps, to ensure the seamless execution of our productâs architecture and functionality. Lion Federal is a dynamic and rapidly expanding tech company dedicated to delivering cutting-edge AI-powered solutions tailored for enterprise-level clients, including the U.S. Federal government.
NewSenior Python Developer Federal Agency Background Macpower Digital Assets Edge Private LimitedSenior Python Developer Federal Agency BackgroundWashington, DC$110,000–$125,000 / yearPython Developer and their ideal candidate is a DMV resident with a minimum of 5 years of related experience, a Bachelor's degree in Computer Science, Information Systems, Engineering, Business, or a technical discipline related to the specific skill or the equivalent combination of education, technical certifications or training, or work experience. You should be able to demonstrate strong experience with preparing strategic plans and conducting strategic assessments for the Federal Government and/or large enterprise-wide organizations and/or experience with policymaking and planning involving strategic planning and analysis in complex organizations.
Senior Python Developer eSolutionsFirstSenior Python DeveloperMcLean, VAThe selected candidate will collaborate with engineering teams to design, develop, enhance, and maintain both customer-facing and internal applications/services. We are seeking a Senior Python Developer to support the development of mission-critical applications built on modern software development frameworks.
CNO Developer T-Rex Solutions LLCCNO DeveloperHanover, MD$120,000–$150,000 / yearT-Rex Overview Established in 1999, T-Rex Solutions, LLC is a proven mid-tier business providing data-centric mission services to the Federal government as it increasingly tries to secure and leverage the power of data. T-Rex offers both IT and professional services to numerous Federal agencies and is a leader in providing high quality and innovative solutions in the areas of Cloud and Infrastructure Services, Cyber Security, and Big Data Engineering.
Software Developer GRVTYSoftware DeveloperMclean, VA$150,000–$250,000 / yearWe'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. Pay Range: At GRVTY, we understand that compensation is influenced by many factors—such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications.
Training Content Developer-Instructor- TechFISINT GRVTYTraining Content Developer-Instructor- TechFISINTFort Meade, MD$150,000–$170,000 / yearAdditional qualifications include: Bachelor's Degree (or higher) in a technical science major (Engineering, Mathematics, Computer Science, Physical Sciences, or comparable area), 4 or more years of TechSIGINT collection, processing, and analysis experience (within the past 10 years). If the candidate does not have a Bachelor's Degree (or higher) in a technical science major (Engineering, Mathematics, Computer Science, Physical Sciences, or comparable area), 6 or more years of TechSIGINT experience (within the past 10 years).
Embedded Developer Visionist, Inc.Embedded DeveloperFort Meade, MD$125,000–$180,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. Visionist software developers perform reverse engineering and low-level development to identify vulnerabilities and develop mitigations/solutions across a wide range of devices and software.
Senior Network Engineer/Developer TekSynapSenior Network Engineer/DeveloperMaryland$130,000–$160,000 / yearFull timeOverview: We are seeking a Senior Network Engineer/ Developer to join our Task Order proposal on the Defense Intelligenc e Agency’s Solutions for the Information Technology Enterprise III (SITE III). The Senior Network Engineer/Developer will design, plan, develop, test, secure, and optimize enterprise ‑ level network solutions in support of mission-critical operations.
NetDev Developer Visionist IncNetDev DeveloperMD$160,000–$240,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. This premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support.
NewAgile Developer L3 - Knowledge UnisityAgile Developer L3 - KnowledgeAnnapolis Junction, MarylandCompensation will vary dependent upon factors including but not limited to: Government contract rates; education; relevant prior work experience, knowledge, skills, and competencies; certifications, and geographic location. The Microservices Developer will be responsible for: Writing java spring boot based micro service applications utilizing AWS native technologies.
Agile Developer L3 - Systems Automation Power3 SolutionsAgile Developer L3 - Systems AutomationAnnapolis Junction, MarylandThere 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, education and certifications as well as Federal Government Contract Labor categories. Desired Skills : (1 of the below): Playwright, Cucumber, JMeter, Swagger (or similar API tool), Selenium Tools: Cypress, 508 testing tools (JAWS or NVDA).