NewSenior Application Developer Govcio LLCSenior Application DeveloperFairfax, VA$135,000–$165,000Overview: GovCIO is currently hiring a highly skilled Senior Application Developer with an active Secret clearance to design, build, and modify application software using programming languages such as Java, ColdFusion, JavaScript, and C#. Qualifications: Bachelor's degree in Computer Science, Engineering, or related field with 12+ years of experience with large integrated projects and 5+ years of professional experience in Java development, preferably in federal or defense contracting environments.
Software Developer (Full Stack/Backend) Intern TeleWorld SolutionsSoftware Developer (Full Stack/Backend) InternChantilly, VAInternWith the experience of hundreds of thousands of successful implementations, including macro, DAS, Small Cells, and Wi-Fi, the world’s leading network operators and OEMs trust our knowledge and experience to plan, perform, troubleshoot, and implement an array of technologies and solutions. This is a unique opportunity for a college student to gain hands-on experience working on an established, high-scale project, where you will contribute to real-world features that power global wireless networks.
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.
NewFull Stack Software Developer Systems Plus, Inc.Full Stack Software DeveloperWashington, DCFull timeWork includes containerizing services with Docker and deploying to AWS (ECS/EKS, plus supporting services like RDS, S3, and CloudWatch), alongside ongoing bug fixes, performance tuning, and technical debt reduction. This role is a full-stack developer position building and maintaining Agency applications end to end, ReactJS front-end and Python/FastAPI back-end, with PostgreSQL for data.
Senior Full Stack Developer NuAxis InnovationsSenior Full Stack DeveloperWashington DC, DCThis role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Solution Architects, UX/UI Designers, QA Engineers, and DevSecOps teams to deliver end-to-end solutions across the full software development lifecycle. The Senior Full Stack Developer is responsible for designing, developing, integrating, and supporting secure, scalable, and high-performing enterprise web applications using modern cloud-native technologies.
Senior AI Developer NuAxis InnovationsSenior AI DeveloperWashington DC, DCThe Senior AI Developer serves as the lead technical resource responsible for designing, developing, integrating, and supporting enterprise Artificial Intelligence (AI) and Machine Learning (ML) solutions that enhance business applications, automate processes, and improve operational efficiency. This role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Subject Matter Experts (SMEs), Solution Architects, developers, and stakeholders to deliver secure, scalable, and responsible AI solutions that align with business and mission objectives.
Front-End Developer NuAxis InnovationsFront-End DeveloperWashington DC, DCThis role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, UX/UI Designers, Solution Architects, Back-End Developers, and QA Engineers to deliver secure, scalable, and intuitive user interfaces that meet business, technical, and accessibility requirements. · Participate in Agile development activities including backlog refinement, sprint planning, code reviews, sprint demonstrations, and continuous integration.
SharePoint Developer Calibre SystemsSharePoint DeveloperSpringfield, VAResponsibilities include: Custom Solution Development: Design and build custom SharePoint components like web parts, extensions, and site templates using the SharePoint Framework (SPFx). Certifications: Highly valued credentials include the Microsoft 365 Certified: Developer Associate (MS-600) and the Power Platform App Maker Associate (PL-100).
NewMid-Level Qlik Developer CredenceMid-Level Qlik DeveloperMcLean, VAThe Qlik Developer will collaborate with government stakeholders, functional analysts, data engineers, and development teams to design and implement data visualization solutions that improve operational visibility, reporting accuracy, and decision-making across the enterprise. This role requires experience developing scalable Qlik applications, integrating multiple data sources, and supporting Agile software development initiatives in a secure DoD environment.
Senior ServiceNow Developer CredenceSenior ServiceNow DeveloperTysons, VA$150,000–$175,000You will also manage and participate in designing and developing solutions using various ServiceNow modules and features including CSM, S2P, APO, Integration Hub, Flows, Business Rules, Script Includes, Service Catalog, Service Portal, Asset Management, CMDB, AI Agents, and other ServiceNow modules, as required. Credence has an immediate need for a Senior ServiceNow Developer who will assist in solutioning and development of applications leveraging ServiceNow OOTB modules and customization as necessary to ensure the required business outcomes are delivered.
NewSoftware Developer- SME Govcio LLCSoftware Developer- SMEQuantico, VA$165,000–$175,000Prepares operating instructions, compiles documentation of program development, and analyzes system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls. Overview: GovCIO is currently hiring for a Software Developer-SME to design, code, test, and maintain software applications and systems in support of the Naval Criminal Investigative Service.
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.
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.
Senior ServiceNow Developer Capgemini Government Solutions LLCSenior ServiceNow DeveloperMcLean, VAHowever, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs.
ServiceNow Developer Capgemini Government Solutions LLCServiceNow DeveloperMcLean, VAHowever, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs.
Appian 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).
AI-Enabled Cyber Capabilities Developer Johns Hopkins Applied Physics Laboratory (APL)AI-Enabled Cyber Capabilities DeveloperLaurel, MD$105,000–$290,000It requires designing AI-native architectures, orchestrating tool-using agents, and rapidly iterating on prototypes that demonstrate functional, outcome-driven impact. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
Reverse Engineer and Offensive Cyber Developer Johns Hopkins Applied Physics Laboratory (APL)Reverse Engineer and Offensive Cyber DeveloperLaurel, MD$100,000–$245,000The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. We seek experienced reverse engineers and developers who will build inventive cyber capabilities leveraging novel reverse engineering and exploitation techniques.
NewSoftware Engineer JobotSoftware EngineerArlington, VA$120,000–$150,000 / 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. If you have a solid grounding in software engineering, continuous delivery, and computer science, and are looking for a career opportunity to grow and leverage those skills to the fullest while working on cutting edge technologies – Here is the place to be!
NewSenior Software Engineer JobotSenior Software EngineerTysons, VA$140,000–$215,000 / 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.
NewSenior 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 Test Lead NuAxis InnovationsSoftware Test LeadWashington DC, DCThis role develops and executes test strategies, manages testing activities, and collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Developers, UX/UI Designers, and stakeholders to deliver secure, reliable, accessible, and high-performing applications. The Software Test Lead is responsible for leading the Quality Assurance (QA) and testing efforts for enterprise web applications, ensuring software quality through comprehensive manual and automated testing.
NewLead Security Engineer Dev Technology GroupLead Security EngineerSuitland, MD$120,000–$190,000 / yearAs a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy. Collaborate with application developers, data engineers, systems engineers, and OIS to identify and mitigate vulnerabilities, and provide expert security consultation to development teams.
NewRadar System Engineer - Maritime and Next-Generation Radars Johns Hopkins Applied Physics Laboratory (APL)Radar System Engineer - Maritime and Next-Generation RadarsLaurel, MD$85,000–$195,000The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
ServiceNow Architect Capgemini Government Solutions LLCServiceNow ArchitectMcLean, VAThe disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.
Cloud Architect / Engineer LeidosCloud Architect / EngineerWashington, DC$131,300–$237,350Proven expertise with Generative AI infrastructure, including: Production-ready Retrieval-Augmented Generation (RAG) pipelines, Scalable vector databases (e.g., Pinecone, Weaviate, Milvus, FAISS, or managed services) with indexing, clustering, and optimized retrieval, GPU/TPU compute clusters, managed container orchestration (Kubernetes/EKS/AKS/GKE), and auto-scaling for large language model (LLM) workloads. Demonstrated experience implementing enterprise security and compliance frameworks (SOC 2, ISO 27001, HIPAA, PCI-DSS, CMMC, FedRAMP, etc.), including encryption, threat monitoring, and zero-trust architectures.
Junior java microservices developer/Jr data analyst-Remote SynergisticITJunior java microservices developer/Jr data analyst-RemoteWashington, DCRemote$79,000–$142,000 / yearFull timeSince 2010, Synergisticit has helped thousands of candidates land full-time jobs at tech leaders like Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Intel, Paypal, JPMC, Wayfair, BOA, CITI and hundreds more with Job offers of $95k to $154k. SynergisticIT JOPP is good for entry-level software engineering candidates because it helps address the key areas where applicants often fall short: current skills, hands-on projects, resume alignment, interview confidence, and job-search execution.
SME Oracle APEX Developer The Computer Merchant, LtdSME Oracle APEX DeveloperWashington, DC$90–$95 / hourContractorWhile an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. - Work at the direction of the program manager to support the full lifecycle development of custom Oracle Applications, primarily using the Oracle APEX toolset.
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.
Applications Developer - Level 3 CACIApplications Developer - Level 3Suitland, 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. The Applications Developer will be responsible for developing complex software solutions, ensuring code quality, and performing thorough debugging and testing.
Senior Applications Developer (Government) AT&T IncSenior Applications Developer (Government)Columbia, MD$98,100–$180,000 / yearBachelor's degree in System Engineering, Computer Science, Applied Science, Electrical Engineering, Math, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university, a developer nanodegree, or equivalent work experience, is required. They perform technical aspects of the ServiceNow implementation including: ServiceNow solution architecture, install, application UI, process automation, external integrations, access control, security hardening, workflow design/configuration, reporting, upgrades, and patching.
Applications Developer Senior (.NET) AHU TechnologiesApplications Developer Senior (.NET)Washington, District of ColumbiaClients OIS/Application Support Division I is looking for a Senior Application Developers whose primary responsibilities include design, development, delivery and enhancement of Client-Server/Web-Based/Cloud-Based/Mobile Software Applications using application software development languages/environments with. The successful candidates will demonstrate the following knowledge, skills, characteristics, experiences and/or abilities: • Capable of design, develop and deploy applications that support users on the case and program management especially with ERAP application.
Applications Developer - Expert Nightwing Intelligence SolutionsApplications Developer - ExpertSterling, VirginiaThe candidate will be part of a team of Software Developers, ETL Developers, and Data Scientists to enhance existing production applications and build out new web services on a routinized production cadence to meet the evolving needs of users. Nightwing is currently seeking a Full Stack Web Application Developer - Expert in Herndon VA to work on a suite of services that will supply users with tools to automate a wide range of enterprise-wide applications and data centric mission management applications.
Applications Developer - Level 3 CACI International IncApplications Developer - Level 3Suitland, 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 Applications Developer will be responsible for developing complex software solutions, ensuring code quality, and performing thorough debugging and testing.
.Net Applications Developer AVER LLC.Net Applications DeveloperDCWe provide customers with specialized technical skills and deep subject matter expertise focused on Homeland Security, Biometrics, Law Enforcement, and Healthcare domains to meet the complex mission challenges today and tomorrow. Join a collaborative team who values AVERs mission focus and culture of delivering exceptional client service with great people and transformative technology solutions that ensure Government mission success.
NewSenior Applications Developer Fox Rothschild LLPSenior Applications DeveloperWashington, DC$115,000–$125,000 / yearThis position is responsible for designing and developing scalable, secure applications using modern technologies, troubleshooting server-side issues, and collaborating closely with stakeholders to deliver efficient and high-quality solutions. The salary range reflects a variety of factors that are considered in making compensation decisions, including but not limited to experience, education, licensure and/or certifications, geographic location, market demands and other business and organizational needs.
Senior Applications Developer Bowhead / UIC Technical ServicesSenior Applications DeveloperArlington, VADesired: Multiple cloud platform certifications at professional level (AWS Solutions Architect Professional, Azure Solutions Architect Expert, or Google Cloud Professional Cloud Architect), Kubernetes CKA/CKAD, Docker Certified Associate, specialized security certifications. Bachelor's degree in Computer Science, Software Engineering, Information Technology, Cybersecurity, Data Science, Information Systems, or related technical field from an ABET accredited or CAE designated institution; Master's degree preferred.
.Net Applications Developer AVER.Net Applications DeveloperWashington, District of ColumbiaExperience with cloud and DevOps using Microsoft Azure DevOps or GitHub Actions, Azure App Services, Azure Functions, Azure API Management, Familiarity with Azure Storage (Blob, Queue, Table), Azure Key Vault. We provide customers with specialized technical skills and deep subject matter expertise focused on Homeland Security, Biometrics, Law Enforcement and Healthcare domains to meet the complex mission challenges today and tomorrow.
Principal .Net Applications Developer AVERPrincipal .Net Applications DeveloperWashington, District of ColumbiaExperience with cloud and DevOps using Microsoft Azure DevOps or GitHub Actions, Azure App Services, Azure Functions, Azure API Management, Familiarity with Azure Storage (Blob, Queue, Table), Azure Key Vault. We provide customers with specialized technical skills and deep subject matter expertise focused on Homeland Security, Biometrics, Law Enforcement and Healthcare domains to meet the complex mission challenges today and tomorrow.
Applications Developer J5 ConsultingApplications DeveloperChantilly, VirginiaDemonstrated experience developing JavaScript web services using Node.js, to include ExpressJS applications and Micro Services. Demonstrated experience with Representational State Transfer (REST) APIs, Spring Model View Controller (MVC), and Spring Boot.
Senior Software Developer (Specializing Financial Analysis Applications) CW ICONMA, LLCSenior Software Developer (Specializing Financial Analysis Applications) CWMcLean, VA$80.39 / hourCode Quality & Testing: Write clean, maintainable code backed by comprehensive automated tests using JUnit and React Testing Library / Jest, with strong unit and integration coverage. Responsibilities: Frontend Development: Design and build responsive, performant UIs in React (with TypeScript preferred) that allow users to configure, run, and visualize results across multiple security.
Senior Applications Developer w/Secret Clearance TekSynap CorpSenior Applications Developer w/Secret ClearanceDCRemoteUtilizes web-based software such as Java, HTML, NET, AngularJS, Javascript, SOAP, REST API, mobile development, and Web Based API in the building of software applications. "Technology moving at the speed of thought" embodies these principles - the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers.
NewSenior Full-Stack Applications Developer (Angular/React, AWS) Ardent PrinciplesSenior Full-Stack Applications Developer (Angular/React, AWS)Herndon, VAThe candidate will work onsite and must have hands-on experience with Angular, React, Linux, and AWS.The role involves Agile development practices and collaboration using tools like Jira and GitHub. Ardent Principles, Inc. is seeking a Senior Applications Developer in Herndon, VA, with 8-10 years of experience in building web applications.
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. Minimum QualificationsBachelor’s Degree in Computer Science, Information Systems or a related field or equivalent relevant experience.3-5 years of experience as a Java and.
Senior Applications Developer Ukpeagvik Inupiat CorpSenior Applications DeveloperArlington, VACERTIFICATION REQUIREMENTS: Required: IAT Level III certification (one of the following): CISSP, CASP+, CCNP Security, CISA, CISSP (or Associate), GCIH, GCFA, or CSSLPDesired: Multiple cloud platform certifications at professional level (AWS Solutions Architect Professional, Azure Solutions Architect Expert, or Google Cloud Professional Cloud Architect), Kubernetes CKA/CKAD, Docker Certified Associate, specialized security certifications. Bachelor''s degree in Computer Science, Software Engineering, Information Technology, Cybersecurity, Data Science, Information Systems, or related technical field from an ABET accredited or CAE designated institution; Master''s degree preferred.
Software Applications Developer Lawelawe Technology ServicesSoftware Applications DeveloperWashington, DCFull timeYou’re comfortable working independently in high-demand environments, guiding development teams, and delivering scalable, secure applications that improve user experience and organizational performance. You bring expertise in Appian application development, integrations, and customization, paired with a strong ability to engage stakeholders and translate requirements into effective solutions.
Senior Applications Developer Dunhill Professional Search of Wilmington, Inc.Senior Applications DeveloperGermantown, MD$130,000–$160,000 / yearFull timeAbility to analyze existing architectures in variety of platforms Project leadership roles, project management, mentors team members Special Skills/Knowledge Identity and Access Management expert. Senior Applications Developer/Engineer, highly proficient in leading and independently maintaining, developing, testing and delivering high quality, enterprise-wide solutions.
Senior Applications Developer PeratonSenior Applications DeveloperGermantown, Maryland$135,000–$216,000 / yearFull timeAs the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Diagnose, troubleshoot, and resolve complex technical issues across existing application environments, including response to Cyber security alerts affecting IIS and web servers.
Senior Applications Developer Peraton IncSenior Applications DeveloperGermantown, MD$135,000–$216,000 / yearAs the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Diagnose, troubleshoot, and resolve complex technical issues across existing application environments, including response to Cyber security alerts affecting IIS and web servers.
Software Developer II - Web Applications GAMA-1 Technologies, LLCSoftware Developer II - Web ApplicationsGreenbelt, MDFull timepointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\">. In this role, you will lead the development and implementation of web-based applications in AWS, applying advanced technical expertise to design and build sophisticated meteorological visualization tools that transform critical forecasting applications.