146 senior software development engineer jobs at 53 companies in Smyrna, DE
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Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
7+ YOESenior software engineer with DoD experience, specializes in biometric systems, secure coding, and Agile/DevSecOps.
Android, CI/CD, DevOps, DevSecOps, Security, Encryption
2mo
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Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
Systems Products and Solutions: Provides logistics and technical services to defense agencies.
7+ YOESenior software engineer with DoD biometric systems experience; security clearance required; Agile/DevSecOps; Android apps; cybersecurity.
Android, DevOps, DevSecOps, CI/CD, Security testing, Encryption
1d
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Senior Software Engineer
Aberdeen Proving Ground, Maryland, United States
$160k-$200k/yr OnsiteFull Time
8+ YOEBachelor's degree and 8+ years of software engineering experience, including 3+ years supporting defense programs. Requires Secret clearance and experience with scalable software, programming languages, cloud, tactical edge, agile, and DevSecOps.
Python, Java, C++, Go, Docker, Kubernetes, SAFe, Scrum, Kanban, DevSecOps, CI/CD, Zero Trust
1mo
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Nuuly Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience with ~2 years senior-level responsibilities; strong JVM (Java/Kotlin/Scala) or backend skills, microservices, cloud (GCP/AWS/Azure), Docker/Kubernetes, Postgres/AlloyDB, and practical LLM/AI tool use.
Java, Kotlin, Scala, Python, Go, Node, TypeScript, JVM, Spring, Google Cloud Platform (GCP), AWS, Azure, Docker, Kubernetes, Postgres, AlloyDB, Kafka, Spark, Storm, RESTful APIs, ChatGPT, Claude, Cursor, Windsurf, Copilot, MCP
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Senior Software Engineer
Aberdeen, Maryland, United States
$90k-$198k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience in Defense, BA/BS or equivalent experience, proficiency with C++, Java, Python, C#, secure coding and Defense standards, DoD cybersecurity certification preferred.
C++, Java, Python, C#, Git, SVN, CI/CD, automated testing tools
1d
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Senior Software Engineer
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
8+ YOEBachelor's degree in a technical field, 8+ years of software engineering experience, 3+ years supporting defense or interagency programs, Secret clearance, programming, cloud, agile, DevSecOps, and tactical-edge experience.
Python, Java, C++, Go, Docker, Kubernetes, SAFe, Scrum, Kanban, DevSecOps, CI/CD, Zero Trust
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Senior Software Engineer
Aberdeen Proving Ground, Maryland, United States
$150k-$180k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience; bachelor’s in CS/SE/EE or equivalent experience; active TS/SCI clearance; US citizenship; experience with full-lifecycle development, hardware-software integration, modeling, and testing.
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SENIOR SOFTWARE DEVELOPER/ENGINEER (CLOUD/CYBER)
Huntsville or Aberdeen or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
7+ YOEBS in CS/Software Eng or equivalent, 7+ years software development experience, DoD Top Secret/SCI eligibility, experience with Python, containers, AI/LLMs, databases, Linux, AWS, and Agile/Scrum.
LLMs, Ollama, LM Studio, Python, C#, Go Lang, React, JavaScript, HTML, CSS, Git, Docker, Bash, TensorFlow, PyTorch, SQL, MongoDB, PostgreSQL, Redis, Linux, AWS, RESTful API, Agile/Scrum
2w
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Senior Software Developer (NLP)
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
5+ YOEUS citizen with Secret clearance; bachelor’s degree with 5 years relevant software development experience (or 8 years experience); experience integrating NLP into production, proficiency in modern programming languages and mission-critical systems.
Python, C++, Java, C#, Go, Docker, Kubernetes, transformer-based frameworks, vector databases, LLM APIs
1w
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Senior Lead Software Engineer - Database Engineer
Plano or Columbus or Wilmington
OnsiteFull Time
5+ YOE5+ years software engineering experience with database design, modernization, performance tuning, migrations; proficiency with SQL and NoSQL databases, DevOps/automation, and AI-assisted development practices.
Tigergraph, Oracle, Sql Server, Aurora Postgres, CockroachDB, Mongo DB, CI/CD
3mo
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Software Engineer Senior
Aberdeen Proving Ground, Maryland, United States
$95k-$150k/yr OnsitePart Time
8+ YOEActive Top Secret clearance; Master’s in engineering or computer science; 8+ years related experience; part-time, salary-exempt; Aberdeen Proving Ground, MD.
2mo
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Lead Software Engineer
Newark, Delaware, United States
$128k-$201k/yr OnsiteFull Time
6+ YOE6+ years software engineering experience building cloud and edge systems; experience in regulated environments, secure development practices, QMS familiarity, AI integration, Agile and version control proficiency; degree in CS/SE/STEM.
Microsoft Azure, Google Cloud Platform (GCP), Agile
2w
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Software Engineer (Engineer Software 3) - 29586
Aberdeen Proving Ground or United States
$97k-$104k/yr HybridFull Time
5+ YOE5+ years experience (Bachelors) developing C++ simulation software; ability to obtain TS/SCI clearance; experience with agent-based modeling, space domain concepts, and code review practices.
Confluence, Discourse, GitLab, Jira, C++, Python
3mo
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Sr Software Developer
Annapolis Junction or Columbia
$174k-$220k/yr OnsiteFull Time
20+ YOEActive security clearance with FS Poly; 20+ years as a software engineer in similar scope, or 4+ years of experience
Java, PostgreSQL, Database design, RESTful API, Docker, Power BI, Python, Power Query M, MariaDB, Elasticsearch
2mo
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Software Engineer 2
Annapolis Junction, Maryland, United States
HybridFull Time
14+ YOESenior backend developer with TS/SCI CI Poly clearance; Java/Spring/Maven; 14+ years experience; BS in CS or related field; NoSQL/Big Data and CI tools
Java, Spring Framework, Maven, MongoDB, ElasticSearch, Jenkins, Git, PostgreSQL, Python, Hadoop, Hive, Pig, MapReduce, NoSQL
1w
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Senior Software Engineer, Test Automation
Downingtown, Pennsylvania, United States
$110k-$125k/yr OnsiteFull Time
5+ YOEBachelor's in CS or related and 5+ years software development/test automation experience; expertise with Cypress and JavaScript/TypeScript; CI/CD, Git, npm experience; strong problem solving and cross-team collaboration.
Cypress, JavaScript, TypeScript, Git, npm, Angular, Windows
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Distinguished Software Engineer
McLean or New York or Wilmington or Philadelphia
$269k-$307k/yr OnsiteFull Time
7+ YOEBachelor's degree and 7+ years software engineering experience, 7+ years cloud (AWS), 5+ years across multiple domains or professional services; strong architecture, mentoring, and stakeholder communication skills.
AWS, Java, Python, Go, JavaScript, TypeScript, Fargate, Lambda
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Experienced Software Engineer
Hazelwood or Plano or Oklahoma City or Ridley Park
$127k-$171k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years full-stack software development, 1+ year cloud experience (AWS/Azure/GCP), experience with SDLC and architecture frameworks, and ability to obtain U.S. security clearance (U.S. citizenship required).
AWS, Azure, GCP, CodeVue
3mo
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Software/Data Engineer
Laurel, Maryland, United States
$176k-$282k/yr OnsiteFull Time
19+ YOEBachelor's degree in Engineering, Computer Science, Mathematics, or related field with extensive software engineering experience; cloud, Linux, Python; active TS/SCI with poly; ability to work at a customer site.
OpenStack, Linux, Python, PowerShell, Cloud Security
1mo
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Senior Lead Software Engineer, Full Stack (Bank Tech)
McLean or Wilmington or Philadelphia
$209k-$262k/yr OnsiteFull Time
6+ YOEBachelor's degree, 6+ years software engineering experience, and 1+ year cloud computing experience required. Preferred: 9+ years in named languages, AWS expertise, frameworks, Agile, and rapid delivery across domains.
AWS, Microsoft Azure, Google Cloud, JavaScript, Java, TypeScript, Python, Go, Fargate, Lambda, Agile
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