Java Software Engineer (Top Secret) System OneJava Software Engineer (Top Secret)Herndon, VARemote$175,000–$200,000 / yearThe ideal candidate has an engineering temperament: the ability to understand complex systems, reduce complexity through thoughtful design, and express that clarity through well-crafted code and architecture. • Finally, candidates who bring unexpected strengths—whether in systems engineering, performance optimization, security, infrastructure, automation, or another technical discipline—are especially attractive.
Senior Python Software Engineer Expert In Recruitment SolutionsSenior Python Software EngineerTysons, VAThe developer will be involved in developing and enhancing core features of the forecasting engines to improve model accuracy, performance, and scalability, as well as providing support for critical quarterly/yearly production runs used in financial reporting to ensure the integrity, accuracy, and timeliness of outputs. · At least 5 years' of hands-on Python software development experience with Bachelor's degree or 3 years' of hands-on Python software development experience with advanced degree in production-grade coding (not scripting).
React Software Developer SITEC ConsultingReact Software DeveloperLaurel, MDFull timeReact Software DeveloperLocation: Laurel, MDSchedule: Full-Time, Primarily On-SiteTelework: Up to One Day Per WeekClearance Required: TS/SCI with PolygraphSITEC Consulting is seeking a React Software Developer to support the sustainment, modernization, and enhancement of enterprise business applications in a secure mission environment. The ideal candidate is a front-end developer with strong React experience, solid JavaScript or TypeScript skills, and the ability to work independently while collaborating with engineers, testers, product stakeholders, and end users.
NewSecurity Software Engineer/Developer SGA Inc.Security Software Engineer/DeveloperRockville, MD$64–$67 / hourPreferred Skills: Experience with AWS services such as Lambda, Step Functions, CloudFormation, SNS, SQS, ECS, EC2 and Infrastructure-as-Code tools. Evaluate AWS services, open-source tools, and commercial security products through technical testing and proof-of-concept development.
Software Developer Open Systems Technologies CorporationSoftware DeveloperChantilly, VAThey must have strong, firsthand technical expertise in a variety of configuration automation, deployment, and continuous integration technologies and the proven ability to fashion robust solutions that can keep pace with software development. The Elasticsearch Engineer/Developer will develop, deploy, administer, upgrade, and monitor the ElasticStack cluster within cloud and on-prem infrastructure, designed to deliver complex software products into a production environment.
Software Developer (TS/SCI) Judge GroupSoftware Developer (TS/SCI)Washington, DC$120,000–$130,000 / yearThis role involves recommending software upgrades for current and future systems, translating User Interface (UI)/User Experience (UX) design wireframes, ensuring software continues to function normally through software maintenance and testing, and documenting every aspect of the application, service, or environment as a reference for future maintenance and upgrades. The Software Engineer is responsible for designing, testing, and developing well-designed web-based software code that is testable and efficient, using best software development practices to meet user needs.
Senior Python Software Engineer 1 of 2 V-Soft Consulting Group, IncSenior Python Software Engineer 1 of 2Tysons, VAThe developer will be involved in developing and enhancing core features of the forecasting engines to improve model accuracy, performance, and scalability, as well as providing support for critical quarterly/yearly production runs used in financial reporting to ensure the integrity, accuracy, and timeliness of outputs. Must Have Qualifications: At least 5 years of hands-on Python software development experience with bachelor’s degree or 3 years of hands-on Python software development experience with advanced degree in production-grade coding (not scripting).
Senior Manager, Software Engineering HITT ContractingSenior Manager, Software EngineeringFalls Church, VA$120,000–$175,000 / yearFull timeReporting to the Head of Software Engineering, the Principal Software Engineer sets the technical direction for how software gets built at HITT — architecting the practice’s first AI-native applications, establishing the platform and paved-road tooling every team will use, and writing production code every day alongside AI coding agents. The Principal Software Engineer will help recruit engineers into a lean, agile, AI-augmented team and will train HITT’s existing developers in AI-enabled methods — through pairing, code review, workshops, and reference implementations — raising the technical bar for the entire practice.
Mid-Level Software Developer Fusion TechnologyMid-Level Software DeveloperWashington, DCRemoteFull timeExperience is important to us: You have a Bachelor's degree with 3 years of experienceExperienced Software Developer:At least 3 years in Java or similar object-oriented programming languageExperience working with Spring Boot REST APIs and SOAP web servicesExperience with HTML front-end development and building dynamic web applications using JSP and ServletsExperience with Elasticsearch or OpensearchExperience with Oracle SQLExperience with Maven for managing code librariesFamiliarity with GIT, Bitbucket, or a similar version control systemBonus points if you have:Familiarity with AWS or similar cloud servicesFamiliarity with Jenkins and writing Jenkins pipelinesFamiliarity with Jira and working in AgileFamiliarity with containers (Docker/Kubernetes)Familiarity with NIEM XMLWhat you'll do: The software developer will be responsible for developing and maintaining Jaa Spring Boot REST services, SOAP services, web applications, as well as custom libraries. Fusion Technology is a performance-driven HUBZone Small Business concern residing in the heart of the beautiful mountainsides of West Virginia, steps away from the Federal Bureau of Investigation's Criminal Justice Information Services Division's Headquarters.
Sr. Front-End Software Developer Expert In Recruitment SolutionsSr. Front-End Software DeveloperSterling, VAThe successful candidate will have deep expertise in JavaScript and TypeScript development, experience building sophisticated front-end applications, and a strong understanding of how front-end systems interact with microservices, streaming platforms, and cloud-native architectures. We are seeking an experienced Senior Front-End Software Developer who will be supporting the development of highly visible, mission-critical cloud-native applications that provide advanced Situational Awareness and Collaboration capabilities.
Senior Software Engineer Fusion TechnologySenior Software EngineerQuantico, VAFull timeWhat you'll do:The Senior Software Engineer will contribute to system level design in order to optimize overall system performance and reliability; translate design into computer software; test, debug, and refine computer software to produce the required product; prepare both program level and user-level documentation; enhance software to reduce operating times or improve efficiency; and provide full lifecycle support for software including user interaction. Fusion Technology is a performance-driven HUBZone Small Business concern residing in the heart of the beautiful mountainsides of West Virginia, steps away from the Federal Bureau of Investigation's Criminal Justice Information Services Division's Headquarters.
NewSoftware Developer - Active Security Clearance CadreSoftware Developer - Active Security ClearanceReston, VAFull timeCommunicate with team members to clarify requirements and overcome obstacles to meet the team goalsDevelop cutting edge solutions to maximize the performance, scalability, and distributed processing capabilities of the systemWork with development teams using agile software development methodologiesPerforms other duties as assigned at the direction of Project Management Required Qualifications:Ability to obtain and maintain a TS/SCI with polyBachelor's degree in a closely related field or four (4) years relevant experience. AWS, Azure, VMware, Docker, K8S) Desired Qualifications:Active TS/SCI with poly with most recent BI/Poly dates within the last five yearsStrong understanding of internet protocols and networking technologies using by Internet Service Providers to provision their networks, including MPLS and Ethernet VLAN.Understanding of JavaScript Frameworks (e.g.
Associate AI/ML Software Developer (req-261) CATHEXISAssociate AI/ML Software Developer (req-261)Tysons, VA$98,700–$120,300Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems.
AI/ML Software Developer CATHEXISAI/ML Software DeveloperTysons, VA$123,100–$149,800Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems.
AI/ML Software Developer (req-281) CATHEXISAI/ML Software Developer (req-281)Tysons, VA$137,448–$167,256Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems.
Senior AI/ML Software Developer (req-283) CATHEXISSenior AI/ML Software Developer (req-283)Tysons, VA$148,000–$179,000Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems.
AI/ML Software Developer - Top Secret CATHEXISAI/ML Software Developer - Top SecretTysons, VA$90,000–$135,000Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems.
Senior AI/ML Software Developer - TS/SCI with Poly (req-243) CATHEXISSenior AI/ML Software Developer - TS/SCI with Poly (req-243)Tysons, VA$148,000–$179,000Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems.
Mid-Level Software Developer SITEC ConsultingMid-Level Software DeveloperLaurel, MDFull timeMid-Level Software DeveloperLocation: Laurel, MDSchedule: Full-Time, On-SiteClearance Required: TS/SCI with PolygraphSITEC Consulting is seeking a Mid-Level Software Developer to support the sustainment, enhancement, and production support of enterprise business applications in a secure mission environment. The selected candidate will join a collaborative team of developers and systems engineers responsible for ensuring enterprise applications remain reliable, effective, and responsive to operational needs.
Full Stack Software Developer UnissantFull Stack Software DeveloperAshburn, VAFull timeBuild and enhance web applications using modern front-end technologies such as Angular, React, HTML, JavaScript, and CSS.Develop application components that communicate effectively with backend microservices and enterprise data sources. Communication Skills:Excellent verbal and written communication skills, including the ability to communicate effectively with technical and non-technical audiences.