3,202 sr software engineer jobs at 780 companies in Round Hill, VA
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Sr. Software Engineer
Tucson or Centennial or Chantilly
$190k-$260k/yr OnsiteFull Time
15+ YOEProficient in modern software engineering, C++ and Python, 15+ years experience, TS/SCI clearance, US citizenship.
C++, Python, Linux, Gitlab, CI/CD, Docker, Kubernetes, PIP
3mo
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Software Engineer Sr. Consultant , Fullstack/GenAI Engineering
Ashburn, Virginia, United States
$152k-$244k/yr HybridFull Time
8+ YOE2+ Mgmt8+ years software engineering; 2+ years leading engineers; strong GenAI, backend/frontend, AWS, and distributed systems experience.
Python, FastAPI, Flask, Node.js, React, TypeScript, AWS Bedrock, SageMaker, LangGraph, LangChain, Haystack, RAG, Jenkins, GitHub Actions, Terraform, CloudFormation, CodePipeline, Pinecone, FAISS, OpenSearch, Weaviate, Kafka, Kinesis, Databricks, MLFlow
5h
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Software Engineer Sr
Ashburn, Virginia, United States
$140k-$160k/yr HybridFull Time
7+ YOEBachelor's degree or equivalent and 7+ years of professional software engineering experience. Requires TypeScript, JavaScript, Vue 3, Node.js, AWS, automated testing, CI/CD, and security-sensitive environment experience.
TypeScript, Vue 3, Quasar, Pinia, Electron, Node.js, Fastify, AWS, Vitest, Jest, Playwright, GitLab CI/CD, Kubernetes, Pulumi, Terraform, CDK, CloudFormation, Docker, OpenTelemetry, Prometheus, Grafana, Node-API, C/C++, SWIG
1mo
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Sr. Software Development Engineer
Frederick, Maryland, United States
$110k-$135k/yr OnsiteFull Time
12+ YOEBachelor's or Master's in CS/Engineering, 12+ years software engineering experience with leadership across large programs, expertise in software architecture, systems integration, regulatory/cybersecurity knowledge, and strong communication and mentoring skills.
1mo
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Sr. Software Developer
McLean, Virginia, United States
OnsiteFull Time
10+ YOE10+ years software development experience; expertise with Linux, AWS, Java/PHP/JavaScript, web servers, IAM, scripting, and software best practices; active TS/SCI with polygraph required.
Linux, AWS, S3, EC2, Apache Webserver, Apache Tomcat, Java, PHP, HTML, CSS, MySQL, Javascript, VS Code, Bash, GitHub
1mo
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Sr. Software Engineer
Washington, District of Columbia, United States
$155k-$200k/yr RemoteFull Time
5+ YOE5+ years backend engineering experience, strong Go proficiency, experience with distributed systems, Docker/Kubernetes, Terraform, CI/CD/GitOps, and building production-grade services.
Go, OpenTDF, gRPC, REST, Docker, Kubernetes, Helm, ArgoCD, Terraform, GitOps, Java, JavaScript, ConnectRPC, Open Container Initiative (OCI), Python, Rust
1mo
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Sr Lead Software Engineer
McLean, Virginia, United States
$230k-$262k/yr OnsiteFull Time
6+ YOEBachelor's degree, 6+ years professional software engineering experience, 1+ year cloud experience (AWS/Azure/Google Cloud). Proficiency in Java, Python, Go, Scala, Node/Node.js, SQL, Docker, Kubernetes; strong communication and leadership.
Java, Python, SQL, Node, Node.js, Go, Scala, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud, GCP, Azure
1mo
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Sr. AI Software Engineer
Washington, District Of Columbia, United States
$121k-$258k/yr HybridFull Time
5+ YOE5+ years software engineering experience; proficiency with Python and AI/ML frameworks; experience with cloud-native, containerized microservices, and integrating AI into enterprise apps; strong software design and collaboration skills.
Python, Java, JavaScript, React, Angular
3w
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Sr. Software Developer
Gaithersburg, Maryland, United States
$125k-$187k/yr OnsiteFull Time
3+ YOEBachelor's degree in computer science, engineering, or related discipline; 3+ years in cloud services, systems analysis, integration, and software development; Unix/Linux, Shell, Perl, Expect, protocols, AI, and technical leadership experience.
Unix/Linux, Shell, Perl, Expect, FTP, SFTP, HTTPS, Web Services, AS2, APIs, AI, JIRA
1mo
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Sr. AI Software Engineer
Washington, D.C., District of Columbia, United States
$133k-$227k/yr HybridFull Time
5+ YOEBachelor's or Master's in CS or equivalent; 5+ years software engineering experience; proficiency with Python and OOP languages; hands-on AI/ML production experience; cloud-native and containerized microservices experience.
Java, Python, JavaScript, React, Angular, HireVue
3w
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Sr. Software Engineer (Contract)
Arlington or Denver or Houston or Merritt Island or United States
RemoteContract
8+ YOEBachelor's in STEM (Masters preferred). 8 years' experience (6 with Masters) designing and developing embedded/aerospace software. Proficiency in C/C++. US citizenship and ability to obtain government security clearance required.
C, C++
1d
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Sr. Software Engineer
Redmond or Atlanta or Reston
$120k-$235k/yr HybridFull Time
4+ YOEBachelor's degree in computer science or related technical field and 4+ years of coding experience; equivalent experience accepted. Requires citizenship verification and background checks.
C, C++, C#, Java, JavaScript, Python
2mo
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Sr Software Engineer
Annapolis Junction or Columbia
$179k-$225k/yr OnsiteFull Time
12+ YOETwelve years of SWE experience; poly clearance; BS CS; Angular/RxJS; Spring Boot; Java; Kafka; Docker; Kubernetes; Oracle; Elasticsearch; CI/CD; strong problem-solving.
Angular, RxJS, Spring Boot, Spring MVC, Spring Data, Spring Security, JMS, Kafka, Java, Oracle, Elasticsearch, Docker, Kubernetes, Maven, Gradle, GitLab, CI/CD
3w
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Sr. Software Developer
Vienna, Virginia, United States
$150k-$165k/yr RemoteFull Time
10+ YOEBachelor's degree, 10+ years experience, strong Java and Python skills, Spring Boot/Spring AI, AWS cloud (ECS Fargate, Aurora MySQL Serverless, SQS, SNS), eligible for Public Trust clearance.
Java, Python, Spring Boot, Spring AI Framework, XML, Large Language Models (LLMs), ECS Fargate, Aurora MySQL Serverless, SQS, SNS
2w
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Sr. Software Engineer II, AI Platform
United States or San Francisco or New York City or Washington
$131k-$198k/yr RemoteFull Time
6+ YOE6+ years software engineering experience building and operating large-scale backend/platform systems; hands-on GenAI and LLM integration; experience with Python/Java/Go; distributed systems and workflow design expertise.
Python, Java, Go, LangChain, OpenAI SDK, MCP, LLMs, Salesforce, Gong, Outreach, Tofu
2mo
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Sr. CNO Software Engineer
Herndon, Virginia, United States
OnsiteFull Time
5+ YOETS/SCI clearance, 5+ years software in cyber ops, Bachelors in CS/CE/SE or 4 years of equivalent exp, proficiency in C/C++, Python, Go, or Rust, knowledge of network programming and embedded build systems.
C, C++, Python, Go, Rust, CMake, Make
3w
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Principal / Sr. Principal AI Software Engineer
Dulles or Colorado Springs or El Segundo
$138k-$258k/yr OnsiteFull Time
5+ YOEU.S. citizen with active DoD Top-Secret clearance (ability to obtain SCI/SAP), 5+ years AI engineering experience (level dependent), expertise in ML/RL/SL, strong software engineering and simulation experience.
Python, JAX, PyTorch, C++, CUDA, MATLAB/Simulink, Windows, Linux
3mo
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Sr. Forward Deployed Software Engineer
Arlington, Virginia, United States
RemoteFull Time
8+ YOE8+ years in software engineering or systems integration; Palantir Foundry experience; CI/CD pipelines; Python/TypeScript/Java; DoD/government domain familiarity.
Palantir Foundry, Python, TypeScript, Java
1mo
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Software Engineer
Fort Belvoir, Virginia, United States
OnsiteFull Time
7+ YOEActive Secret clearance, Bachelor's in engineering, 7+ years software engineering experience, experience with biometric systems, information assurance/encryption knowledge, Android experience, Agile/DevOps/DevSecOps, software testing and troubleshooting skills.
BAT-A, NRTIO, NXGBCC, Android, Agile, DevOps, DevSecOps
1w
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Sr Software Engineer - Columbia, MD
Columbia, Maryland, United States
$129k-$229k/yr HybridFull Time
SME-level full-stack engineer with expertise in React, Python (FastAPI/Django), AWS, containerization, Kubernetes, secure development, and technical leadership for DoD/IC programs.
React, JavaScript, TypeScript, Python, FastAPI, Django, AWS, Docker, Kubernetes, Terraform, Ansible, GitOps
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