491 sr software engineer jobs at 146 companies in Halfway, MD
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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
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 Engineer
Herndon, Virginia, United States
OnsiteFull Time
Active TS/SCI with polygraph required; strong full‑stack skills with Angular, Spring Boot, Java; experience with APIs, DevOps/CI-CD, microservices, AWS, Python, Kubernetes; bachelor\u0002s degree in CS or related field.
Angular, Spring Boot, Java, GitHub, Jenkins, JIRA, AWS, AWS Lambda, Python, Kubernetes
1mo
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Sr. Software Engineer
Herndon, Virginia, United States
OnsiteFull Time
Must have active TS/SCI with poly on day one; strong full-stack skills with Angular, Spring Boot, Java; experience with APIs, agile, DevOps/CI/CD, microservices, accessibility, test automation, GitHub, Jenkins, JIRA, AWS (Lambda), Python, and Kubernetes. Bachelor’s in CS or related field.
Angular, Spring Boot, Java, GitHub, Jenkins, JIRA, AWS, AWS Lambda, Python, Kubernetes
2w
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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
1mo
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Sr Software Engineer - System (Herndon, VA, US, 20171)
Herndon, Virginia, United States
HybridFull Time
5+ YOEBachelor's in engineering or CS and 5+ years software engineering experience; strong OOP (Java, C#), Linux/Unix, REST services, Spring/Hibernate, SQL databases, IoT protocols (MQTT/CoAP/HTTP), Kafka, and utility domain experience.
Java, C#, Linux, Unix, Spring, Hibernate, SQLServer, MySQL, RESTful APIs, MQTT, CoAP, HTTP, Kafka, JDBC, MVC
2w
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Software Engineer
Gaithersburg, Maryland, United States
$129k-$150k/yr OnsiteFull Time
6+ YOEBachelor’s or Master’s in CS/SE/IS with 6+–8+ years software engineering; experience with Python/Java/JavaScript, Django, REST, PostgreSQL, Windows/Linux; active TS/SCI clearance and able to obtain polygraph.
Python, Java, JavaScript, Django, REST APIs, AJAX, jQuery, PostgreSQL, SQL, Windows, Linux, Git, GitLab, AWS, Microsoft Azure, Google Cloud Platform (GCP), IBM Cloud, Oracle Cloud
1mo
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Sr. AI Software Engineer
Herndon or King of Prussia or Littleton
$105k-$185k/yr OnsiteFull Time
Requires TS/SCI clearance and US citizenship. Demonstrated Python development, cloud platform knowledge (AWS/Azure/GCP), CI/CD experience preferred, familiarity with ML frameworks and RF/SAR/EO processing, strong communication and teamwork skills.
Python, AWS, Azure, GCP, Jenkins, GitLab, JavaScript, TensorFlow, PyTorch, Scikit-learn
1mo
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Software Engineer III
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$108k-$149k/yr HybridFull Time
6+ YOEBachelor's degree in CS/Software Engineering or related,6+ years software development experience,proficiency in C++,Java,Python,experience with RTOS/embedded systems preferred,excellent communication and critical thinking.
C++, Java, Python, C, C#, HTML, Bash
1mo
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Sr Principal Engineer Embedded Software
Sterling, Virginia, United States
$142k-$213k/yr OnsiteFull Time
4+ YOEUS citizen able to obtain/maintain Top Secret/SCI clearance; advanced degree in EE/CE or related STEM with 4–8+ years embedded software experience; proficiency in C/C++, Python, Windows/Linux scripting, and revision control; hardware-in-the-loop simulation experience.
C/C++, Python, Windows, Linux, Subversion, Git, Jenkins, Jira, Bitbucket, National Instruments, SpaceWire, MIL-STD-1553, RS-422, UART
2w
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Sr. Software Development Engineer, S3, S3
Herndon, Virginia, United States
$168k-$227k/yr OnsiteFull Time
5+ YOE5+ years professional software development and programming experience, experience leading design/architecture, Java experience, distributed systems and mentoring experience.
Java
1mo
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Sr Full Stack Software Developer
Denver or Sterling
$82k-$172k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance with polygraph preferred, 5+ years software development, proficiency in Java and JavaScript, Linux experience, willingness to obtain Security+; Bachelor's in CS or accredited bootcamp required.
Java, JavaScript, Linux, Kubernetes, Elasticsearch, Java Spring Boot framework, AWS, WebSocket's, RESTful API
2w
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Software Developer
Sterling, Virginia, United States
OnsiteFull Time
Master's in Computer Science or related required; expertise in software engineering, AI/ML, data science, deep learning, neural networks, and quality assurance testing; ability to travel to local clients.
1mo
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Sr Full Stack Software Developer
Denver or Sterling
$82k-$172k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance (polygraph preferred), 5+ years software development, proficiency in Java and JavaScript, Linux experience, bachelor's in CS or coding bootcamp, Security+ (or willingness), cloud and microservice experience.
Java, JavaScript, Linux, Kubernetes, Elasticsearch, Spring Boot, AWS, WebSocket, RESTful API
2mo
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Expert Software Engineer
Herndon or Columbia
HybridFull Time
5+ YOEFrontend-focused software engineer with Angular, JavaScript/TypeScript, and UI experience; security clearance required; 5+ years of relevant experience or 8+ years with BS; strong collaboration and DevOps mindset.
Angular, JavaScript, TypeScript, CSS, HTML, Node.js, NPM, Linux, Bash, Jasmine, Selenium, Cypress, Python, Flask, Django, Tableau, Pandas, D3.js, PDF.js
2w
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Principal Software Engineer
Germantown, Maryland, United States
$190k-$225k/yr OnsiteFull Time
10+ YOEBachelor's in engineering or CS, 10+ years software experience including embedded systems, image/video processing, real-time/microsecond control, proficiency in C/C++, and strong hardware collaboration and mentoring skills.
C/C++, continuous integration, DevOps
15h
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Software Engineer
Herndon, Virginia, United States
$115k-$170k/yr OnsiteFull Time
5+ YOEAssociate's or bachelor's degree in computer science or related field; 5+ years software development experience across the lifecycle; modern programming, Agile, GEOINT/SIGINT/IMINT, and Top Secret clearance required.
Python, Java, ArcGIS, Ruby, Clojure, JavaScript, Docker, Docker Compose, Kubernetes, Git, GitLab, GitLab CI, Jenkins, JIRA, Confluence, AWS
3w
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Software Developer SME
Winchester, Virginia, United States
$99k-$225k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience, 6+ years with AWS and Python/C#/Java, Top Secret clearance required, HS diploma/GED, SAFe ASE certification preferred.
AWS, Python, C#, Java, JavaScript, Linux, MongoDB, Spring, OSGi, Perl, Lua, NGINX
3w
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Software Developer SME
Winchester, Virginia, United States
$99k-$225k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience, 6+ years with AWS and Python/C#/Java, Top Secret clearance, HS diploma/GED, SAFe ASE preferred, experience with front- and back-end development and Linux.
AWS, Python, C#, Java, JavaScript, Linux, MongoDB, Spring, OSGi, Perl, Lua, NGINX
3mo
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Software Developer
Herndon or Chantilly
$185k-$240k/yr OnsiteFull Time
6+ YOEActive TS/SCI with Full-Scope Polygraph, 6+ years software development, experience with Java/Python/C++/JavaScript, APIs, Git, Agile; cloud, DevOps, containerization preferred.
Java, Python, C++, JavaScript, AWS, Azure, Docker, Kubernetes, Git, REST APIs, CI/CD Tools, DevOps
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