Sr. Software Engineer ConsultNetSr. Software EngineerRockville, MDFor over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact. This role works independently to deliver scalable, high-quality applications while contributing to architectural decisions, software quality improvements, DevOps practices, and mentoring junior engineers throughout the software development lifecycle.
Senior Software Engineer - Reporting And Billing ID.meSenior Software Engineer - Reporting And BillingMclean, VA3+ years of experience with TypeScript, React, and modern frontend architecture, including production experience with Next.js or similar frameworks and operating backend services using modern web frameworks such as Ruby on Rails, Node.js, Java, or similar. 3+ years of experience building developer-facing platforms such as developer portals, API platforms, authentication platforms, cloud platforms, payments platforms, or other self-service developer experiences.
Lead Senior Software Engineer - Full Stack (Library of Congress) Ad HocLead Senior Software Engineer - Full Stack (Library of Congress)Mc Lean, VARemote$130,000–$142,000 / yearWe partner with these agencies to build new capabilities, deliver products, establish data as a strategic asset for informed decision-making, modernize legacy systems, and build the digital service infrastructure necessary to scale their mission impact. To be considered for this Key Personnel position, candidates must meet all of the following requirements: Experience: Minimum 5 years of hands-on experience in information system design, complex software development, and application programming on large-scale database management systems.
Senior Software Engineer - Reporting and Billing ID.meSenior Software Engineer - Reporting and BillingMclean, VA3+ years of experience with TypeScript, React, and modern frontend architecture, including production experience with Next.js or similar frameworks and operating backend services using modern web frameworks such as Ruby on Rails, Node.js, Java, or similar. 3+ years of experience building developer-facing platforms such as developer portals, API platforms, authentication platforms, cloud platforms, payments platforms, or other self-service developer experiences.
Senior Software Engineer – Java / AWS / Metadata & Document Systems ConsultNetSenior Software Engineer – Java / AWS / Metadata & Document SystemsRockville, MDFor over 25 years, we have connected thousands of consultants with meaningful roles through a personal, communication-driven approach, partnering with a diverse client base to build high-performing teams and create lasting impact. The ideal candidate brings strong system design capabilities, experience managing unstructured data repositories at massive scale, and the ability to mentor engineers while contributing hands-on across the full software development lifecycle.
Senior Software Engineer - Blockchain Mastercard IncSenior Software Engineer - BlockchainArlington, VA$132,000–$212,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. You will work alongside talented engineers to design, develop, and deliver high-performance Ethereum/EVM and Web3 solutions, with a strong focus on enterprise-grade architecture, scalability, security, and reliability.
Senior Software Engineer Mastercard IncSenior Software EngineerArlington, VA$132,000–$212,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. Overview: Mastercard's Corporate Solutions organization is seeking a Senior Software Engineer with strong expertise in Java, Spring Boot, microservices, and AI-assisted software development to help build and evolve a global business-to-business (B2B) technology platform.
Senior Software Engineer, Autonomy Capabilities - Space Shield AI IncSenior Software Engineer, Autonomy Capabilities - SpaceWashington, DC$160,000–$240,000 / yearThis team operates at all levels of the command-and-control hierarchy (from advanced control laws, through motion planning, and up to advanced tactical behaviors and multi-agent coordination) and across a multitude of mission sets, platform types, and operational domains (e.g., air, sea, space). The Autonomy Capabilities Team develops functionality to automate single- and multi-agent teams of platforms in pursuit of mission objectives and acts as a central discipline-aligned focal-point for encouraging consistent usage of technical approaches across business portfolios.
Senior Software Engineer - Underwriting Engineering (Hybrid) GEICO GENERAL INSURANCE COMPANYSenior Software Engineer - Underwriting Engineering (Hybrid)Bethesda, MD$100,000–$215,000 / yearUtilize programming languages like C#, Java or other object-oriented languages, SQL, and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of Azure tools and services. You will help drive our insurance business transformation as we transition from a traditional IT model to a tech organization by designing, developing, and deploying core consumer experiences that leverage AI, ensuring they are robust, scalable and production ready.
Senior Software Engineer Axient LLCSenior Software EngineerColumbia, MD$150,000–$190,000 / yearAssist in the design, development, test, and verification of SEG's missile trajectory and RF signature prediction simulations; The position covers the whole of the software development process, from design and implementation to testing, documentation and delivery; Lead team(s) on individual projects and provide assistance to junior level engineers; Provide C++ software development and maintenance with software integration testing; Participate in Agile style development ceremonies such as Daily Standups, Sprint Planning and Sprint Reviews. SEG has developed and implemented a large number of solutions, which are crucial and critical to the warfighter with the mission of improving essential, and time-sensitive decision-making capabilities while protecting and defending our country.
Senior Software Engineer in Test, Federal Classified Okta IncSenior Software Engineer in Test, Federal ClassifiedWashington, DC4 years of experience setting up and maintaining test configurations and lab environments Additional requirements: U.S. soil status - the employee must be on U.S. soil, which means the 50 states, the District of Columbia, or outlying areas of the United States, as defined in Federal Acquisition Regulation (FAR) 2.101 U.S. Security Clearance status - the employee must be able to obtain and maintain a U.S. security clearance (Secret or Top Secret) to the extent required by U.S. Government contracts. Classification of protected categories is as follows: A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.
Senior Software Engineer(Oracle HCM) Expert In Recruitment SolutionsSenior Software Engineer(Oracle HCM)Arlington, VAOwn and update problem tickets for their functional area including creating CIC deck when needed Document, communicate and facilitate permanent resolution for recurring non-critical incidents Establish and facilitate recurring touchpoint for functional area with business users. IT SME during projects – provide input to RFPs, development and/or design responsibilities as assigned, help locate documents, describe as-is state, review, approve documents & transfer documents to operations folder etc.
Senior Software Engineer (MERN) Expert In Recruitment SolutionsSenior Software Engineer (MERN)Herndon, VATitle: Senior Software Engineer (MERN) Location: Hybrid- 3 times a week - Herndon, Virginia. I will be evaluating past projects, explanations of project, and fit for the deliverables.
Sr Information Systems Security Engineer (ISSE) SCA, Advisor TS/SCI w/poly Peraton IncSr Information Systems Security Engineer (ISSE) SCA, Advisor TS/SCI w/polyVA$146,000–$234,000 / yearServe as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts. As 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.
Principal Sales Account Executive, Enterprise Behavox Ltd.Principal Sales Account Executive, EnterpriseTysons Corner, VAStrategic account ownership and influence - Retains long-term commercial ownership of global strategic accounts while setting the bar for enterprise sales execution through influence on vertical sales strategy, value frameworks, and executive messaging without people management or formal authority. Global strategic outbound and pipeline ownership - Owns outbound pipeline creation for top-tier global strategic accounts, with heavy reliance on direct AE-led prospecting and partnership with SDR and Marketing to engage senior executives across business units and geographies.
Principal Information Security Consultant Peraton IncPrincipal Information Security ConsultantDC$135,000–$216,000 / yearSupport investigation, evidence handling, escalation, reporting, and post-incident analysis; support threat detection, log monitoring, third-party risk assessment, data protection, and security control automation; participate in the on-call incident response rotation. Design and review secure architectures, technical designs, security patterns, and proposed solutions across cloud and on-premises environments; identify risks and recommend proportionate controls.
Sr. Principal Information Security Engineer Clarity Innovations LLCSr. Principal Information Security EngineerSpringfield, VA$139,000–$314,000 / yearClarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. We are committed to delivering cutting-edge tools and capabilities that address the most complex national security challenges, empowering our partners to stay ahead of emerging threats and ensuring the success of their critical missions.
Research Scientist - Software Defined Radio PeratonResearch Scientist - Software Defined RadioCollege Park, Maryland$135,000–$216,000 / yearFull timeYou will collaborate with multidisciplinary teams of researchers, engineers, and customer stakeholders to solve complex problems involving wireless systems, signal processing, protocol analysis, networked communications, and secure communications environments. This role will focus on designing, developing, prototyping, and evaluating SDR-based capabilities for advanced wireless communications, networking, cyber operations, and experimentation platforms.
Principal Sales Account Executive, Enterprise BehavoxPrincipal Sales Account Executive, EnterpriseTysons Corner, VAStrategic account ownership and influence- Retains long-term commercial ownership of global strategic accounts while setting the bar for enterprise sales execution through influence on vertical sales strategy, value frameworks, and executive messaging without people management or formal authority. Global strategic outbound and pipeline ownership- Owns outbound pipeline creation for top-tier global strategic accounts, with heavy reliance on direct AE-led prospecting and partnership with SDR and Marketing to engage senior executives across business units and geographies.
Principal Software Engineer – (Secret Clearance Preferred – On-site Required) GD Information TechnologyPrincipal Software Engineer – (Secret Clearance Preferred – On-site Required)Oakton, VirginiaThis challenging and interesting software engineering and development position is a chance to participate in the development and operation of a high-performance big data system, and join a longstanding, stable program consisting of a team of individuals using defined Agile software principles and practices. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.