Application Developer, Senior Booz Allen Hamilton IncApplication Developer, SeniorWashington, DC$86,800–$198,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Front End Developer Booz Allen Hamilton Inc.Front End DeveloperMclean, VA$86,800–$198,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Mobile Application Developer LeidosMobile Application DeveloperAshburn, VirginiaThe Homeland Sector within Leidos is seeking a Mobile Application Developer to provide technical expertise on a mission-critical program whose purpose is to development, modernize, enhance, operate, and maintain services for DHS/CBP mission critical systems. August 24, 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.
Sr. Application Developer Front-End BigBear.aiSr. Application Developer Front-EndWashington, DCYou will be joining our amazing BigBear.ai team to provide development for legacy and existing systems whether it's building out new features, enhancements, or bug fixes and adding features that will allow our successor system to integrate with older legacy systems so that both systems can co-exist. Please note the targeted compensation range is provided as an estimate, and any actual compensation offer may vary depending on the needs of the company, or an applicant's skillset, competencies, experience, education, certifications, location, or other factors.
Application Developer, Mid Booz Allen Hamilton Inc.Application Developer, MidWashington, DC$69,400–$158,000 / yearKnowledge of developing and maintaining the technology needed to power the components which enable the user-facing side of enterprise applications databases, conceptualize and implement data storage solutions, run performance testing and benchmarking, and optimize data performance. Nice If You Have: Experience with Java, JavaScript, SQL, Python, Server-Side Development, Middleware, Application or Data Integration, API Development, Core Application Systems, Node.js, Groovy, Scala, Spring Cloud, Spring Core, Spring-Boot, or Spring Data.
University, 2027 Summer Games Software Developer Intern Booz Allen Hamilton IncUniversity, 2027 Summer Games Software Developer InternMcLean, VA$53,000–$108,000 / yearTeams have also helped to develop an app that gives military commanders an easy way to track real-time and open-source information about developing situations, including sudden attacks, fighting human trafficking, and even tracking the spread of a disease worldwide. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Software Developer-TS/SCI MetaPhase Consulting LLCSoftware Developer-TS/SCIWashington, DCThis developer will work with users and technical teams to resolve software problems, integrate applications with enterprise services, and automate application and configuration deployments. Hands-on experience with software design, debugging, unit and integration testing, source control, CI/CD pipelines, and automated deployment or configuration-management technologies.
AI Developer Booz Allen Hamilton Inc.AI DeveloperArlington, VA$77,500–$176,000 / yearYou'll be part of a large community of AI professionals across the company and collaborate with data engineers, data scientists, solutions architects, and product owners to deliver world-class solutions to transform how the Air Force manages its day-to-day business. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Software Developer, Senior Booz Allen Hamilton IncSoftware Developer, SeniorHerndon, VA$86,800–$198,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Senior Modeling and Simulations Software Developer BAE Systems PlcSenior Modeling and Simulations Software DeveloperRockville, MD$120,874–$205,486 / yearAbout BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Providing specific input to the software components of system design to include hardware/software trade offs, software reuse, use of Commercial Off-the-shelf (COTS) Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.
API LIFE CYCLE AUTOMATION DEVELOPER Client/Server Software Solutions IncAPI LIFE CYCLE AUTOMATION DEVELOPERWashington, DCQualified incumbent personnel currently supporting this mission will be afforded Right of First Refusal (ROFR) for applicable positions, consistent with contract requirements and contingent upon continued eligibility, performance, and government approval. ABOUT US: Constellation West is an award-winning company that delivers Information Technology (IT) engineering services and solutions and non-IT subject matter expertise worldwide.
Web Developer Security Engineer (SMA 4) E LogicWeb Developer Security Engineer (SMA 4)Washington D.C., DCAutomation: Implement automation scripts for threat intelligence integration to optimize alert accuracy; leverage AI-assisted development tools (e.g., GitHub Copilot, OpenAI API/Codex) and scripting languages (Python, JavaScript/Node.js) to automate security monitoring and compliance audits. Vulnerability Lifecycle: Drive the end-to-end vulnerability lifecycle--integrating proactive threat modeling and advanced security assessments, ensuring remediation integrity through rigorous technical validation.
Cloud Developer/Software Engineer (Expert) BAE Systems PlcCloud Developer/Software Engineer (Expert)Herndon, VA$149,603–$254,317 / yearAbout BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. BAE Systems, a top-ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms and systems.
Application Developer (Foundational Services SME) - Sr Nalley ConsultingApplication Developer (Foundational Services SME) - SrWashington, DCFull timeTypeScript, Angular, Node, NestJS, Express Servers, Jest, MongoDB, PostgreSQL, Redis, ElasticSearch, GitLab CI Pipelines, Docker, OpenShift. Nalley Consulting is a Service Disabled Veteran Owned Small Business working with prime partners to staff Department of Defense and Intelligence Community positions.
Application Developer (SOURCE) - Sr Nalley ConsultingApplication Developer (SOURCE) - SrWashington, DCFull timeNalley Consulting is a Service Disabled Veteran Owned Small Business working with prime partners to staff Department of Defense and Intelligence Community positions. Highly Desired: JSON, Java, Java Script, SharePoint, XML, VBAs, Oracle, MongoDB, Solr, SQL, Open AI, other AI technologies.
PowerBuilder Developer MondoPowerBuilder DeveloperCenterville, Virginia$50–$60 / hourSupport and enhance a legacy PowerBuilder application by resolving bugs, improving performance, and maintaining critical functionality in a live customer-facing environment. Partner with business analysts, QA, product owners, and end users to gather requirements and deliver solutions.
Developer SiloSmashersDeveloperArlington, VAThe Developer will support DHS CISA by designing, building, and maintaining secure applications that enable mission-critical operations and modernization efforts. Clearance: Must be a U.S. citizen and able to obtain and maintain DHS suitability clearance, as required by federal contract.
Software/Applications Architect/Developer/Engineer CSISoftware/Applications Architect/Developer/EngineerReston, VirginiaCloud: Amazon Web Services (e.g., Commercial and Government Cloud Services for DoD and IC, EMR w/Spark and RDS, EC2, EBS, S3, Route 53, RDS, VPC, ELB, CloudWatch, CloudFormation, CloudTrail, Blue Green deployment, Auto scaling, Trusted Advisor, Identity & Access Management, Simple Notation Service, Billing Console), Microsoft Azure. Depending on current team needs, responsibilities may include: identify and document system scope and objectives; design, code, test, debug, and document new programs; prepare detailed specifications; contribute to development of security authorization documentation; represent program in design reviews and demonstrations; and mentor junior developers.
Dev(Sec)Ops Developer/Engineer CSIDev(Sec)Ops Developer/EngineerReston, VirginiaCloud: Amazon Web Services (e.g., Commercial and Government Cloud Services for DoD and IC, EMR w/Spark and RDS, EC2, EBS, S3, Route 53, RDS, VPC, ELB, CloudWatch, CloudFormation, CloudTrail, Blue Green deployment, Auto scaling, Trusted Advisor, Identity & Access Management, Simple Notation Service, Billing Console), Microsoft Azure. Certifications: We prefer one or more of the following certifications: AWS Cloud certifications (e.g., AWS Certified Cloud Practitioner, AWS Certified SysOps Administrator, AWS Certified DevOps Engineer, AWS Certified Big Data, AWS Solutions Architect); Microsoft Azure certifications; Professional Cloud Solutions Architect.
Mobile Application Developer Leidos Holdings IncMobile Application DeveloperAshburn, VA$107,900–$195,050 / yearThe Homeland Sector within Leidos is seeking a Mobile Application Developer to provide technical expertise on a mission-critical program whose purpose is to development, modernize, enhance, operate, and maintain services for DHS/CBP mission critical systems. Mobile App Developers requires a strong mix of communications skills and hands on technical trouble shooting to support application issues and application of preventative measures.