851 sr software engineer jobs at 258 companies in Smithsburg, MD
3mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
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
5d
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Sr. Software Engineer -CTJ- Poly
Reston or Redmond
$120k-$235k/yr HybridFull Time
2+ YOE2+ years technical experience in software or systems engineering, experience with large distributed or air-gapped environments, Azure experience, ability to meet security screening and U.S. citizenship requirements.
Azure, Microsoft Cloud, AI
2mo
Save
Mark Applied
Hide
Software Engineer
Potomac, Maryland, United States
OnsiteFull Time
12+ YOE12+ years of software engineering experience; Bachelor's in Computer Science or related field; leadership experience; strong design, debugging, documentation, and algorithm skills; ability to lead teams and develop complex software.
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Software Engineer
Chantilly or Herndon or McLean
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
10+ YOE10+ years in software engineering; strong Java and Node.js; Python/Bash scripting; AWS; Linux; relational databases; Git; CICD; TS/SCI with Polygraph clearance.
Java, JavaScript, Node.js, Python, Bash, Linux, PostgreSQL, MySQL, MariaDB, AWS, Terraform, Terragrunt, Ansible, CloudFormation, Git, Jenkins
1w
Save
Mark Applied
Hide
Software Engineer
Hunt Valley, Maryland, United States
$86k-$115k/yr HybridFull Time
5+ YOEBachelor's degree in computer science or related field, 5+ years software engineering experience, API and full-stack development experience, familiarity with Agile, testing, and cloud paradigms.
.NET (C#), SQL, HTML, CSS, JavaScript, NodeJS, Angular, React, Vue, Azure DevOps, Git, MS SQL Server, Typescript, REST API, HTTP, Java
1w
Save
Mark Applied
Hide
Software Engineer
Annapolis Junction or Columbia
$142k-$236k/yr OnsiteFull Time
14+ YOEActive TS/SCI with Poly required. Bachelor's in technical discipline or equivalent experience; 14+ years software engineering experience; Java experience; EMR not mentioned. BLS/CPR not applicable.
Java, AWS
2w
Save
Mark Applied
Hide
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
4d
Save
Mark Applied
Hide
Sr. Software Engineer (AI) - Hybrid - Reston, Va - Freewheel
Reston, Virginia, United States
$142k-$213k/yr HybridFull Time
7+ YOE7–10 years of software engineering experience, including AI applications; strong Python skills; production AI, LLM, or agent systems experience; cloud-native and distributed systems expertise; bachelor's degree preferred.
Python, AI Agents, LLM
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Explore Jobs