1,804 mid level software engineer jobs at 512 companies in Greenbelt, MD
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Mid-Level Software Engineer
Fort Meade, Maryland, United States
$70k-$190k/yr OnsiteFull Time
8+ YOEMid-level software engineer with TS/SCI clearance or polygraph; 8 years of experience with B.S. or 4 additional years in lieu of degree; strong JS/TS and Python, AWS, DevOps, and IaC skills.
Node.js, TypeScript, Python, AWS, Infrastructure as Code, DevOps, CI/CD, Git, gdb
3mo
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Mid Level Software Engineer
Baltimore, Maryland, United States
$125k-$150k/yr HybridFull Time
3+ YOE3-7 years software engineering, strong C++, distributed systems, robotics/autonomy, AI-assisted development tools; APIs and networking experience.
C++, MAVLink, Protobuf, DDS, CAN, TCP/IP, serial, OpenAI Codex, Claude Code
3mo
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Mid Level Forward Deployed Software Engineer
Arlington, Virginia, United States
RemoteFull Time
3+ YOEMid-level software engineer with 3+ years of experience; Python/TypeScript/Java; Palantir Foundry experience; government/defense environment familiarity.
Palantir Foundry, Python, TypeScript, Java, Foundry Workshop, Ontology
1mo
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Software Engineer Mid Level
Annapolis Junction, Maryland, United States
$200k-$275k/yr OnsiteFull Time
7+ YOETS/SCI with Full-Scope Polygraph, ~7+ years software engineering experience, bachelor’s in computer science or related (or 4 extra years experience), strong software design and testing skills.
Apache AirFlow, Python, Apache Spark, Trino, Kubernetes
1d
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Software Engineer – Mid-Level & Senior-Level (2 Openings)
Washington or Gaithersburg
$199k/yr OnsiteFull Time
5+ YOETechnical bachelor's degree required. Mid-level requires 5+ years and senior level 7+ years of full-stack software engineering experience with enterprise applications, cloud computing, databases, APIs, security, and lifecycle management.
Java, .NET, Oracle, Microsoft SQL Server, APIs, AWS, Microsoft Azure, Kubernetes
2mo
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Mid-Level Software Engineer
Washington, District Of Columbia, United States
$145k-$190k/yr OnsiteFull Time
10+ YOETop Secret/SCI clearance required; 10 years software development experience; OOP and multi-INT background; strong documentation and collaboration skills.
2mo
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Mid-level Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
6+ YOESix+ years in software development with at least four years in Java; Oracle PL/SQL; experience with Windows, UNIX/Linux; TS/SCI with poly clearance.
Java, Oracle PL/SQL, JDBC, Linux, Camel, JMS, Hadoop, REST, SOAP, ExtJS, OSGi, Aries Blueprint, Tibco, ActiveMQ, Oracle, Accumulo, Eclipse IDE
3mo
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Mid-Level Software Engineer
Fairfax or Lexington
$90k-$180k/yr OnsiteFull Time
8+ YOEU.S. citizenship, current Secret clearance and ability to obtain TS/SCI, Bachelor's degree, 8+ years software engineering experience focusing on ML/AI, proficiency in Python/Java/C++, ML libraries, cloud and version control.
Python, Java, C++, TensorFlow, PyTorch, Scikit-learn, Git, AWS, Azure, LangGraph, OpenAI SDK, HuggingFace, ollama, LM Studio, llama.cpp
1w
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Mid-Level Software Engineer
United States or Westminster or Herndon
$105k-$177k/yr RemoteFull Time
4+ YOEU.S. citizen with active Top Secret (or CBP/DHS suitability) clearance, bachelor\u0002s degree or equivalent, 4+ years software development experience, proficiency in Java/Rust and Python/JavaScript/TypeScript, and experience with agile tools.
Java, Rust, Python, JavaScript, TypeScript, Jira, Confluence, git, Apache Flink, Apache Kafka, React, Next, Leaflet, Map Libre, Redux, AWS, Azure, Google Cloud, OpenStack, Kubernetes, Docker, Jenkins, ArgoCD, Harness, GitLab CI, GitHub Actions, PostgreSQL, Apache Iceberg
2mo
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Software Engineer (Mid-Senior level)
Baltimore, Maryland, United States
OnsiteFull Time
5+ YOE5+ years in software engineering; Java; SQL; REST; AWS/GCP/Azure; Docker; IaC (Terraform/Ansible); React; strong problem-solving and teamwork.
Java, SQL, REST, AWS, Docker, Terraform, Ansible, React
2mo
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Mid-Level Software Developer
Washington, District of Columbia, United States
RemoteFull Time
3+ YOE3+ years software development experience; Java, Spring Boot; REST/SOAP; front-end basics; Elasticsearch/OpenSearch; Oracle SQL; Maven; Git/Bitbucket; AWS/Jenkins/Jira/containers (nice to have).
Java, Spring Boot, REST, SOAP, HTML, JSP, Servlets, Elasticsearch, OpenSearch, Oracle SQL, Maven, Git, Bitbucket, AWS, Jenkins, Jira, Docker, Kubernetes, NIEM XML
6d
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Mid Level Software Developer
Annapolis Junction, Maryland, United States
$170k-$200k/yr HybridFull Time
14+ YOERequires an active security clearance with poly, 14+ years of software engineering experience or equivalent, and a bachelor's degree in computer science or equivalent experience. Skills include Python, Java, Groovy, Bash, AWS, Azure, Kubernetes, and Ansible.
NiFi, AWS, Microsoft Azure, Python, Java, Groovy, Bash, Ansible, Puppet, Bicep, Kubernetes
1mo
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Mid-level Software Engineer
Dahlgren, Virginia, United States
$92k-$135k/yr OnsiteFull Time
5+ YOEUS citizen with active Secret clearance, 5+ years professional software experience, Bachelor's in a STEM field required. Strong Python and C++ skills, Git/GitLab, CI/CD/DevSecOps experience, JIRA/Confluence familiarity.
Python, C++, Git, GitLab, CI/CD, DevSecOps, JIRA, Confluence, Redhat Linux, Docker, Jenkins, Rust
1mo
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Mid-level Software Engineer
Dahlgren, Virginia, United States
$92k-$135k/yr OnsiteFull Time
5+ YOEUS citizen with active Secret clearance or clearance-eligible, Bachelor’s in STEM, minimum 5 years software experience, proficiency in Python and C++, experience with Git/GitLab, CI/CD, Docker, Jenkins, Redhat Linux, JIRA and Confluence.
Python, C++, Git, GitLab, JIRA, Confluence, Redhat Linux, Docker, Jenkins, Rust, CI/CD, DevSecOps
1mo
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Mid-Level Software Developer
Laurel, Maryland, United States
$150k-$200k/yr OnsiteFull Time
6+ YOEActive TS/SCI with Polygraph; bachelor's in a technical discipline (or 10 years' experience); 6+ years software development experience; experience with JavaScript frameworks, RESTful endpoints, Linux, and MongoDB.
JavaScript, Linux, MongoDB, AWS, GitLab, GitLab runners, Docker
3mo
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Software Engineer - Mid Level
Annapolis Junction, Maryland, United States
$105k-$185k/yr OnsiteFull Time
7+ YOEBachelor's in engineering/CS (or 4 yrs experience), 7+ years SWE experience, active TS/SCI with polygraph, Linux development proficiency, coding in Python, C++, Java, or JavaScript required.
Linux, Python, C++, Java, JavaScript, GitLab, GitHub, Jira, Confluence, Software-Defined Radio (SDR)
2mo
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Mid Level Software Engineer
Hanover, Maryland, United States
$160k-$190k/yr OnsiteFull Time
7+ YOESeven+ years Java; Spring/Javascript; JSP/Servlet; JEE; REST; Tomcat; TS/SCI with Poly; BS CS; 7 years experience; leadership not required.
Java, Spring, JavaScript, JSP, Servlet, JEE, REST, Tomcat, Linux, Git, Subversion, SVN, Confluence, UML, Perl, Oracle, MySQL, PL/SQL
12h
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Software Developer - iOS - Mid-Level
Columbia, Maryland, United States
$171k-$176k/yr OnsiteFull Time
5+ YOERequires US citizenship, active TS/SCI clearance, and 5+ years of software engineering experience focused on iOS development; experience with embedded development, vulnerability research, and reverse-engineering tools.
iOS, IDA Pro, Ghidra
1mo
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Mid-Level Software Developer
Springfield or Arlington
$85k-$150k/yr RemoteFull Time
5+ YOEBachelor's in CS or related, 5+ years software development experience, proficiency with Java/C#/C++/Python/JavaScript, Spring preferred, SSO experience, databases, REST/microservices, Docker/Kubernetes, Git/GitHub, Agile; security eligibility.
Java, C#, C++, ASP.NET, Python, JavaScript, Spring MVC, Spring Boot, Scala, Http4s, Node.js, React, Angular, Vue.js, PostgreSQL, MySQL, MongoDB, Docker, Kubernetes, Git, GitHub, JIRA, Jenkins, GitLab CI/CD, GitHub Actions, JUnit, PyTest, Jest, AWS, Azure, Google Cloud Platform, SAFe, Http4s
1mo
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Mid-Level Software Developer
Reston, Virginia, United States
$97k-$165k/yr OnsiteFull Time
8+ YOEBachelor's degree required; 8 years of Agile software development experience integrating front- and back-end systems (portion within last 2 years); Intelligence Community experience; current Top Secret/SCI clearance required; eligible for polygraph; U.S. person/citizenship required.