Software Engineer (Backend Focus) Set of XSoftware Engineer (Backend Focus)Annapolis Junction, MDFull timeYou will act as backend developer supporting a large-scale innovative project that involves the design, implementation, deployment, and high-performance tuning of large datasets in graph databases to provide unique and powerful visualizations for customer mission impact. With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership.
DevOps Engineer, Senior CACIDevOps Engineer, SeniorChantilly, Virginia7+ years’ background in Computer Science, Information Technology, Cyber Security, Cyber Forensics, Engineering, or other related discipline, or equivalent combination of education, technical certifications, training and work/military experience. Pay 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.
Senior Data Engineer IQUASAR LLCSenior Data EngineerWashington, DCFull timeMakpar has an exciting opportunity for a Senior Data Engineer to join our growing team.his role requires expertise in Databricks, SQL, and ETL pipelines, with strong experience building scalable data frameworks to support enterprise decision-making. Plan, design, build, test, deploy, and maintain highly scalable web-based services utilizing modern.
Full Stack Software Engineer Set of XFull Stack Software EngineerFt Meade, MD$120,000–$245,000 / yearRequired Skills: Teams are small and cross-functional, so ideal candidates bring some combination of UI/UX, middleware/API, back-end, DevOps, CNO, or data science experience with a heavier interest/experience in UI and frontend. You will be working on a mixed skillset team consisting of frontend, backend, and full stack developers as well as data scientists and a UX designer in close collaboration with the mission customer.
Quantum Software Engineer ANDURIL INDUSTRIESQuantum Software EngineerWashington, DC$132,000–$198,000 / yearYou will work closely with delivery leads, application developers, and other solutions architects, as well as internal and external partners to design, implement, and deliver bleeding edge quantum solutions on state-of-the-art quantum-inspired, quantum annealing, and quantum gate platforms for real-world defense and national security challenges. Demonstrable hands-on experience using GenAI tools (e.g., OpenAI Codex, Claude Code, Gemini Code Assist, GitHub Copilot, Amazon CodeWhisperer, or similar) for software development, code generation, debugging, and algorithmic exploration.
Data Engineer GuidehouseData EngineerArlington, VA$89,000–$148,000 / yearThe ideal candidate will have hands-on experience with modern data engineering tools, AI solutions, CI/CD, and version control, and will collaborate with cross-functional teams to deliver high-quality, scalable data solutions. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.
Senior Data Engineer (5307) SmartronixSenior Data Engineer (5307)Arlington, VA$125,000–$180,000 / yearThe ideal candidate will bring strong hands-on experience developing production data pipelines, data models, and analytics solutions using Palantir Foundry, Databricks, or similar modern data platforms. The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications.
Machine Learning Engineer CACIMachine Learning EngineerChantilly, VirginiaKnowledge of LLM technologies including exposure to Large Language Models, orchestration frameworks (LangChain, LangGraph), • Understanding of RAG architectures and vector databases (ChromaDB, Pinecone, Weaviate, or similar) for building intelligent retrieval systems. Pay 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.
Senior Full Stack Java Engineer (AWS & Angular) ICONMA, LLCSenior Full Stack Java Engineer (AWS & Angular)McLean, VA$41.43–$46.43 / hourDesign, develop, and maintain robust, scalable, and high-performance enterprise Java applications using Java 17+, J2EE, Spring Boot 3.0+, Spring MVC, and related frameworks. Beyond technical expertise, the successful candidate will demonstrate the following professional attributes: Self-starter with the initiative to drive work forward independently and proactively identify solutions.
Senior Full Stack Engineer Revolutional, LLCSenior Full Stack EngineerMclean, VARemote$130,000–$185,000 / yearBuilt and enhanced Java/Spring Boot applications integrated with Palantir Foundry , leveraging REST APIs, microservices, and cloud-native technologies to support enterprise data management and operational workflows. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.
NewSoftware Engineer -- Expert CACISoftware Engineer -- ExpertChantilly, VirginiaPay 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 candidate will collaborate with the user interface designer(s) to ensure seamless integration and will focus on innovating new and better ways to create solutions that add value.
Lead Software Engineer Leidos Holdings IncLead Software EngineerArlington, VA$87,100–$157,450 / yearThe candidate will help to lead projects of significant national importance, guiding the transformation of existing vessels into autonomous platforms and supporting the development of new ships from concept through deployment. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Senior Quality Assurance & Test Engineer The Informatics Applications Group IncSenior Quality Assurance & Test EngineerReston, VAIn support of our partnership with CoachMePlus, TIAG is searching for a skilled and experienced Senior Quality Assurance & Test Engineer to lead our blended team of software developers. Senior QA and Test Engineer Position Summary: CoachMePlus is now hiring a Senior Test Engineer to join our team in support of an exciting DoW human performance platform product support initiative.
Senior DevSecOps Engineer The Informatics Applications Group IncSenior DevSecOps EngineerReston, VAJob Summary: CoachMePlus is now hiring a Senior SysDevOps Engineer to join our team in support of an exciting DoW human performance platform product support initiative. In support of our partnership, TIAG is searching for a Senior DevSecOps Engineer to support the Lead Architect and blended software development team.
Software Engineer II (Marketplace) Immuta IncSoftware Engineer II (Marketplace)College Park, MDAs a Software Engineer II on the Request App Team, you'll independently deliver well-scoped, moderately complex features and project work that improves the ability to curate complex approval workflows that enable data consumers to discover and request access to the data they need. Lead investors include NightDragon, Snowflake, and Databricks, along with additional funding from ServiceNow, Citi Ventures, Dell Technologies Capital, DFJ Growth, IAG, Intel Capital, March Capital, Okta Ventures, StepStone, Ten Eleven Ventures, and Wipro Ventures.
Senior AI-ML Integration Software Engineer The Informatics Applications Group IncSenior AI-ML Integration Software EngineerReston, VAIn this role, the Senior Engineer will leverage expertise in cloud-native solutions and modern web architectures to lead the integration of cutting-edge Artificial Intelligence (AI) and Machine Learning (ML) capabilities into our product suite. Key Responsibilities: AI/ML & Cloud Integration: Architect and deploy intelligent features using Cloud AI services, with a strong focus on building generative AI workflows, retrieval-augmented generation (RAG), and agentic pipelines.
Senior Software Engineer - Java, Microservices, MuleSoft & API Development (Remote) Blue Cross and Blue Shield AssociationSenior Software Engineer - Java, Microservices, MuleSoft & API Development (Remote)DCRemote$98,784–$196,196 / yearPURPOSE: Performs complex analysis, design, development, automated unit and integration testing, and debugging of computer software ranging from operating system architecture integration and software design to selection of computer systems, language, and/or equipment. QUALIFICATIONS: Education Level: Bachelor''s Degree in Information Technology or Computer Science OR in lieu of a Bachelor''s degree, an additional 4 years of relevant work experience is required in addition to the required work experience.
Software Engineer - CTJ - Poly Microsoft CorpSoftware Engineer - CTJ - PolyReston, VA$100,600–$199,000 / yearWith minimal supervision, works with relevant security partners to define security promises and security invariants while factoring in attacker/investigator personas for security monitoring and telemetry needs, ensure threat models and premortems validate upstream and downstream assumptions and security invariants, establish security breach drills and security incident response processes (e.g., impact analysis, containment), and ensure that artificial intelligence (AI) safety features are implemented for the AI production systems tied to a set of product features. Masters Degree in Computer Science or related technical field AND 3+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
Lead Software Engineer - FACETS Remote) Blue Cross and Blue Shield AssociationLead Software Engineer - FACETS Remote)DCRemote$115,128–$228,657 / yearPURPOSE: Performs complex analysis, design, development, automated unit and integration testing, and debugging of computer software ranging from operating system architecture integration and software design to selection of computer systems, language, and/or equipment. QUALIFICATIONS: Education Level: Bachelor''s Degree in Information Technology or Computer Science OR in lieu of a Bachelor''s degree, an additional 4 years of relevant work experience is required in addition to the required work experience.