Senior Application Developer / Reverse Engineer Staffed4USenior Application Developer / Reverse EngineerMarylandThis position requires the ability to operate independently, pursue technical research opportunities, and translate evolving requirements into deployable solutions on accelerated timelines. The selected candidate will serve as an Application Developer and Reverse Engineer supporting the development of advanced security and analysis tools within a mission-focused environment.
Application Developer (SWE-2) LeidosApplication Developer (SWE-2)MarylandMission Focus : By working within the cloud environment and customer specific data repositories, create user-facing applications, develop and maintain RESTful APIs, incorporate data visualizations, and establish CI/CD pipelines for secure deployment. The Developer will collaborate directly with mission stakeholders, data scientists, and analysts to capture requirements then design, develop and deploy end-to-end technical solutions that deliver immediate operational impact to mission workflows.
Front End Application Developer LeidosFront End Application DeveloperSuitland, MarylandYou will provide support to help our Navy customer with a new enterprise Production and Dissemination system, which includes the migration of backend systems into a new modern environment as well as the development/customization of a new enterprise-wide web interface/application. August 14, 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.
NewApplication Developer 3 - (C/C++, Python, Assembly) AkinaApplication Developer 3 - (C/C++, Python, Assembly)MarylandShall have a minimum of a Bachelor of Computer Science or Computer Engineering and a minimum of twelve (12) years of software/system development work experience or a Masters of Computer Science or Computer Engineering with a minimum often (10) years of experience. You will act as a general-purpose Software Engineer and CNO Reverse Engineer for up-and-coming projects where you will design, develop, prototype, modify, and integrate solutions to provide mission-centric results.
NewApplication Developer 3 - (Reverse Engineering, C/C++, Python) AkinaApplication Developer 3 - (Reverse Engineering, C/C++, Python)MarylandShall have a minimum of a Bachelor of Computer Science or Computer Engineering and a minimum of twelve (12) years of software/system development work experience or a Masters of Computer Science or Computer Engineering with a minimum often (10) years of experience. You will act as a reverse engineer/general-purpose CNO software engineer for up-and-coming projects where you will design, develop, prototype, modify, and integrate solutions to provide mission-centric results.
NewApplication Developer 2 - (CNO, Reverse Engineering, Ghidra) AkinaApplication Developer 2 - (CNO, Reverse Engineering, Ghidra)MarylandShall have a minimum of a Bachelor of Computer Science or Computer Engineering and a minimum of six (6) years of software/system development work experience or a Masters of Computer Science or Computer Engineering with a minimum of four (4) years of experience. The candidate will have the opportunity to work closely with analysts, operators, data scientists and other software engineers to provide mission tactical support.
NewApplications Developer II Solutions³ LLCApplications Developer IIArlington, VAFull timeDesired Skills : Experience with two or more of the following: Python, JSON, Data Analytics, MongoDB, MinIO, Ansible, Vue.js, React, HTML, Kubernetes, Docker, Podman, OpenShift, AWS, View Jazz Framework, Process Automation, Terraform, CI/CD knowledge. Solutions 3 LLC is supporting a U.S. Government Prime Contractor and its customer on a large mission critical development and sustainment program to design, build, deliver, and operate a network operations environment, including introducing new cyber capabilities to address emerging threats.
Web Application Developer CACIWeb Application 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.
Web Application Developer CACI International Inc.Web Application 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. The Opportunity: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.
Senior Application Developer Essnova Solutions, Inc.Senior Application DeveloperWashington, DCDesign, develop, test, and deploy functional enhancements and backlog items (e.g., Space Management, Lease Management, Self-Certification, Asset Tracking, Reporting modules) in accordance with IRS prioritization. Develop and maintain system integrations and ETL processes with IRS systems (e.g., CADS, IFS, PeopleTrak, TAPS, SIMS), including creation and upkeep of Interface Control Documents (ICDs).
Senior .NET Application Developer Amatriot Group, LLCSenior .NET Application DeveloperArlington, VA$140,000–$150,000 / yearThe position works within an Agile environment to deliver high-quality software solutions, support legacy applications as needed, and contribute to application development across Classified, Unclassified, and Sensitive but Unclassified environments. Experience developing software in environments supporting more than 10,000 users and relational database management systems (RDBMS) containing more than 250 tables and over 1 million rows.
Application Developer TrackOFFApplication DeveloperBaltimore, MarylandPerform research and development with the objective of enhancing user interface and user experience, while implementing design updates in TrackOFF’s application HTML frontend. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information.
Software Developer (Java Application) Sky SolutionsSoftware Developer (Java Application)Tysons Corner, VA$90,000–$140,000 / yearOur expertise spans AI-first enablement, delivering innovative solutions and advanced cybersecurity, fortifying digital ecosystems against emerging threats and digital transformation through low-code/no-code development, cloud solutions, and agile methodologies. Compensation is determined in good faith and may vary based on job-related factors, including relevant experience, skills, education, certifications, clearance level, labor category alignment, contract requirements, work location, internal equity, and business needs.
Sr. Application Developer Bigbear.aiSr. Application DeveloperWashington, Washington, DCFull timeYou 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. Master’s degree and 8+ years of experience with application or software development with least a portion of the experience within the last 2 years or Bachelor’s degree and 10+ years of experience with application or software development as a substitute to a Master’s degree.
Applications Developer II ARSIEMApplications Developer IIArlington, VAExperience with two or more of the following: Python, JSON, Data Analytics, MongoDB, MinIO, Ansible, Vue.js, React, HTML, Kubernetes, Docker, Podman, Openshift, AWS, View Jazz Framework, Process Automation, Terraform, CI/CD knowledge. If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects.
Applications Developer III ARSIEMApplications Developer IIIArlington, VAExperience with two or more of the following: Python, Silk, JSON, Data Analytics, MongoDB, Elastic Search, Postgress, Ansible, Vue.js, React, HTML, Kubernetes, Docker, Podman, AWS, View Jazz Framework, Process Automation, UI Development, CI/CD knowledge. If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects.
Applications Developer NewGen TechnologiesApplications DeveloperArlington, VirginiaDesired Skills Experience with two or more of the following: Python, Silk, JSON, Data Analytics, MongoDB, Elastic Search, Postgress, Ansible, Vue.js, React, HTML, Kubernetes, Docker, Podman, AWS, View Jazz Framework, Process Automation, UI Development, CI/CD knowledge. Our Partner is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution.
Application Developer - JavaScript EsriApplication Developer - JavaScriptVienna, VirginiaThis role focuses on hands-on application development using JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, and modern web application frameworks to test ideas, visualize complex spatial data, and support early-stage innovation. We are seeking an Application Developer to join Esri’s Geo Experience Center team, where you will contribute to building prototype applications that explore digital cartography, advanced map visualizations, and web-based GIS experiences.
Applications Developer Dunhill Professional Search of Wilmington, Inc.Applications DeveloperGermantown, MD$100,000–$127,000 / yearFull timeApplications Developer/Engineer, highly proficient in leading and independently maintaining, developing, testing and delivering high quality, enterprise-wide solutions. Strong, independent application development skills that contribute significantly to analysis, prototype and design and troubleshooting activities.
Sr. Sharepoint Application Developer RIVA SolutionsSr. Sharepoint Application DeveloperWashington, District of ColumbiaAnalyzes business requirements, designs enterprise applications, develops SharePoint solutions, and provides technical leadership throughout the software development lifecycle. By investing in our people and fostering a flexible, supportive environment, you will have the opportunity to grow your skills, contribute ideas, and make an impact from day one—all while supporting missions that matter.