React Software Developer 659 Freedom Technology Solutions GroupReact Software Developer 659Laurel, Maryland$150,000–$200,000 / yearAs soon as an employee enters a customer facility, they touch one of these applications which are critical to the daily functions of thousands of users across acquisition, business, finance, HR, training, recruitment, program management, security, logistics and more. Work closely with system engineers, developers, testers, and product stakeholders to evaluate change requests, support releases, and ensure successful deployment of enhancements.
Junior Software Developer T-Rex CorporationJunior Software DeveloperHanover, MD$120,000–$140,000 / yearThe Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Provides specific input to the software components of system design to include hardware/software tradeoffs, 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.
Senior Software Developer Synertex LLCSenior Software DeveloperHerndon, VAFull timeRESPONSIBILITIESDesign, develop, test, and implement secure, distributed microservices using object-oriented programming languagesCollaborate within Agile teams to build scalable, user-centered modules for the MARS program (OB, IMD, S/CS modules)Develop RESTful web services and support implementation/hosting using instancing and throttling modelsEnhance user interfaces using JavaScript, jQuery, Angular 4, Ajax, and HTML5/XMLWrite and optimize SQL queries, T-SQL stored procedures, views, and SSIS packagesCreate technical diagrams, high-quality code, and automated test scripts to support development and integrationPartner with product owners and stakeholders to ensure alignment with mission and technical objectivesParticipate in planning, design, and development discussions to drive continuous improvementEnsure system reliability, uptime, and maintainability through operational excellenceREQUIREMENTSMinimum 5 years of software development experience for consideration at the Journeyman levelMinimum 9 years of software development experience for consideration at the Senior levelBachelor's degree in Computer Science or related disciplineProficiency in object-oriented design, algorithms, and data structuresExperience with:REST-style Web API platformsClient-side development experience using Vue.js, JavaScript, Angular 4, Ajax, jQuery, and HTML5/XMLSQL/T-SQL, stored procedures, and data integration via SSISAsynchronous programming, parallel processing, concurrency, and securitySoftware engineering lifecycle best practicesStrong collaboration and communication skillsAbility to work independently and in Agile environmentsTS/SCI clearance with a PolygraphPREFERRED QUALIFICATIONSExperience supporting DoD or DIA missionsFamiliarity with the MARS, MIDB, or OB intelligence domainsAdditional training or certifications in cybersecurity, cloud platforms, or advanced analyticsExperience developing solutions for Space/Counterspace or Intelligence Mission Data (IMD) systemsJoin a mission-driven team advancing defense intelligence capabilities through scalable data platforms and advanced analytics. Senior Software Developer National Capital Region TS/SCI Polygraph | Hybrid (Remote with Occasional On-Site) | Immediate HireJoin Synertex and bring your expertise to a mission that matters.
Senior Web Application Software Developer One Federal SolutionSenior Web Application Software DeveloperBeltsville, MDThe Application Software Developer/Engineer will provide web application software development, deployment, customization, and Operations & Maintenance (O&M) support for several NAL scientific research data applications and other applications built on Commercial Off-the-Shelf (COTS) and open-source software platforms. Taks and Duties: Provide web application software development, deployment, customization, and Operations & Maintenance (O&M) support for several NAL scientific research data applications and other applications based on Commercial Off-the-Shelf (COTS) and open-source software.
SQL Software Developer 736 Freedom Technology Solutions GroupSQL Software Developer 736Annapolis JunctionAs part of this program, you will work alongside experts in software engineering, cloud computing, DevSecOps, systems engineering, and enterprise platforms to modernize legacy systems, automate business processes, and deliver innovative solutions that improve efficiency, reduce costs, and enhance the user experience. These mission-enabling applications support workforce management, finance, acquisitions, security processing, training, recruitment, logistics, program management, executive decision-making, and other critical business functions across multiple secure environments. .
Software Developer Cognitio CorpSoftware DeveloperMc Lean, Mc LeanThe Developer will work with multiple COTS vendors to integrate products in multiple Linux environments and Windows; develop and maintain a rigorous versioning system that links training and validation for reproducibility; establish a DevOps environment and use DevOps tools such as, Jenkins, Kubernetes, Chef, and Terraform; and test software using automated test products such as Angular and Selenium. They will also adhere to the Sponsor’s security practices and procedures; prepare and deliver program and user level documentation; support the development of security documentation for software environment establishment; and interact with members of the technical team leads; to understand the current system, subsystems, and component specifications and be able to use experience to recommend changes to facilitate efficient and effective development.
Software Developer System OneSoftware DeveloperWashington, District of ColumbiaThis role will work as part of the Sales Engineering team and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer, including the potential for occasional short-term travel to customer locations across the United States. Successful Software Developer's demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software deployments, and working closely with customers.
Senior Software Developer (Applications Architect) N2IA TechnologiesSenior Software Developer (Applications Architect)Washington, DCFull timeEnd-to-End Development: Oversee or co-create modern front-end interfaces (React, Angular, Vue.js) and robust back-end APIs/microservices (Java, Python).Data Modeling & Integration: Design performant relational (SQL) and non-relational (NoSQL) data storage layers alongside event-driven data pipelines. DevSecOps & CI/CD Leadership: Advocate for automated deployment pipelines, infrastructure as code (Terraform, AWS CloudFormation), containerization (Docker, Kubernetes).Technical Governance & Mentorship: Lead code reviews, troubleshoot complex bottlenecks, and mentor full-stack engineering cohorts on best practices.
Full Stack Software Developer 753 Freedom Technology Solutions GroupFull Stack Software Developer 753Annapolis JunctionAs part of this program, you will work alongside experts in software engineering, cloud computing, DevSecOps, systems engineering, and enterprise platforms to modernize legacy systems, automate business processes, and deliver innovative solutions that improve efficiency, reduce costs, and enhance the user experience. Our teams develop, modernize, secure, and operate the applications and services that support workforce management, training, financial operations, acquisitions, security processing, and executive decision-making across multiple secure environments.
Senior Software Developer (Python, React, AI) US News & World Report ,L.P.Senior Software Developer (Python, React, AI)Washington, District of ColumbiaBy leveraging the latest AI-coding tools, React, Python, AWS cloud, Google BigQuery, data science and other latest technologies, you'll be driving a major transformation within U.S. News. Developers typically see applications through from beginning to end, working directly with project owners to create, implement, upgrade, optimize, and test features and projects.
Junior Software Developer (.NET) HarmonyTechJunior Software Developer (.NET)Herndon, VAThe statements herein are intended to describe the general nature and level of work being performed by employees and are not to be construed as an exhaustive list of responsibilities, duties, and skills required of personnel. You will help design, develop, and implement software solutions, applications, and components for our customers, working as part of an Agile SCRUM team.
NewSenior Software Developer- FDA CDER background Preferred OranSenior Software Developer- FDA CDER background PreferredDistrict of ColumbiaThe Software Developer will participate throughout the full software development lifecycle, including requirements analysis, design, development, configuration, testing, deployment, implementation, maintenance, troubleshooting, and enhancement of new and existing applications. The Information Technology Specialist III – Software Developer will provide hands-on application development, operations and maintenance (O&M), and technical support for enterprise applications and supporting systems.
Senior Software Developer Fantom CorporationSenior Software DeveloperTysons, VirginiaEstablished in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services, and Cloud-certified practitioners. This role includes analyzing, designing, developing, deploying, and maintaining interactive applications and platforms that support web-based training, multimedia content, SharePoint solutions, websites, and enterprise applications.
Software Developer HalvikSoftware DeveloperVienna, VAFull timeResponsibilities:Design and develop software architecture for web applications using Oracle ADF, AWS Cloud, Ionic framework, Angular, JavaScript and JIRADevelop software codes for GPO security using JDeveloper, PL SQL, SVN, GitDevelop staging and multiple level system and performance testing using AngularPrepare the test documentation covering unit, system, integration, and performance testing proceduresDevelop RESTful Web Services using Spring Boot and Node.jsIntegrate mission-critical systems to ensure optimal performance, reliability, and scalability. Requirements:Must have a Master's Degree in Computer Science, Computer Engineering, Electronics Engineering, or Information Systems plus skills and knowledge in Oracle ADF, AWS Cloud, Ionic framework, Angular, Javascript, Springboot/Node.js, PL SQL.Job location: Vienna, VA.
Sr. Software Developer HalvikSr. Software DeveloperVienna, VAFull timeSupport production environments and resolve critical issues when necessaryMinimum RequirementsEducation: Bachelor's degree in computer science or related field, 15+ years of experience in lieu of degreeExperience: 10+ yearsTechnical Proficiency: Skilled in Python, Java, Spring Boot, Spring AI Framework in AWS environmentsCompliance: Eligible to Obtain Public Trust clearancePreferred ExpertiseBackend knowledge of Python, Java, Spring Boot, Spring AIExperience implementing highly available and mission-critical systems operating 24x7Knowledge in designing and implementing AI-powered enterprise applications. Position OverviewHalvik is seeking an experienced Senior Software Developer with 10+ years of hands-on experience designing, developing, and operating highly scalable, resilient, and secure enterprise applications across USPTO for Patent Products.
Software Developer 2 T-Rex CorporationSoftware Developer 2Fort Meade, MD$160,000–$190,000 / yearThe candidate will contribute to innovative projects, working with cutting-edge technologies to deliver robust and scalable solutions for ingest, processing, transformation and transport of large volumes of data across a range of data architectures. 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 (C/C++/C#) System OneSoftware Developer (C/C++/C#)Merrifield, VirginiaThe ideal candidate will hold a Bachelor’s or Master’s degree in Software Development (or a related field) from an accredited university and demonstrate proficiency in modern development tools and languages. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Lead Software Engineer/Developer - Contingent AretumLead Software Engineer/Developer - ContingentMcLean, VARemoteImplement API integration and content transfer capabilities, including source and target API connectivity, authentication and authorization, secure transport, retry and error-handling logic, transfer status monitoring, and end-to-end transaction logging and traceability. Integrate existing malware scanning, file integrity validation (checksum comparison), and content routing utility services into exchange workflows through their documented APIs, including quarantine handling and remediation paths.
Software Developer L1-6 Core OneSoftware Developer L1-6Tysons Corner, VAA Bachelor’s degree in Computer Science, Information Systems, Engineering, Business or a scientific or technical discipline related to the specific skill will be considered equivalent to three (3) years specialized experience (total equivalency is not cumulative when combined with an Associate’s degree). A Doctorate in Computer Science, Information Systems, Engineering, Business, or a scientific or technical discipline related to the specific skill will be considered equivalent to two (2) years specialized experience (up to a total of seven (7) years when combined with a Master’s and a Bachelor’s).
Software Developer ATR, LLCSoftware DeveloperSpringfield, Virginia$170,000–$175,000 / yearFull timeExperience developing applications using Generative AI technologies, including Retrieval-Augmented Generation (RAG), Large Language Models (LLMs), and LLM-enabled workflows. Works as a member of an agile scrum team and participates in regular agile ceremonies applying scrum methodologies – daily stand up, planning, sprint reviews, demos, retrospectives.