28 software engineer iii jobs at 20 companies in Fallston, MD
3mo
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Software Engineer III
Annapolis Junction, Maryland, United States
HybridFull Time
Quevera: Software engineering and cloud solutions for government and defense.
20+ YOEBackend software engineer level 3 with 20+ years web/app dev or 24 years without a degree; JS/React/Angular/Vue; Java/C++/VB.NET; HTML/CSS/Python/Perl/Ruby; REST APIs; SDLC; leadership; TS/SCI Poly clearance; Linux scripting; Git/Maven; Jira/Confluence.
React, Angular, Vue, Java, C++, VB.NET, HTML, CSS, Python, Perl, Ruby, REST, Tomcat, NodeJS, Linux scripting, Git, Maven, Jira, Confluence
3w
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Software Engineer III
Fort Meade, Maryland, United States
$190k-$205k/yr OnsiteFull Time
8+ YOE8+ years cloud-native software engineering with Go/Python, Kubernetes and GitOps expertise; experience with Terraform/Ansible, event-driven systems (Kafka); mentorship and architecture leadership; TS/SCI with FSP required.
Go, Python, Kubernetes, Helm, GitOps, Kafka, Terraform, Ansible, ArgoCD, Fleet, TypeScript, OpenShift, Rancher, Istio, Linkerd, Prometheus, Grafana, OpenTelemetry, AWS GovCloud, cloud-init, Git, DISA STIGs
1mo
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Software Engineer III
Annapolis Junction, Maryland, United States
$215k-$291k/yr OnsiteFull Time
10+ YOETop Secret/SCI with polygraph required; US citizenship required; 10+ years related software engineering experience; Bachelor’s in Computer Science (or 4 years additional SWE experience); skills in computer/system security and HTML, CSS, JavaScript.
HTML, CSS, JavaScript, ITOM, ITSM, HRSD, CSM, Service Portal, Free and Open Source Software (FOSS), GOTS, COTS
1mo
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Software Engineer III
Hanover, Maryland, United States
$119k-$178k/yr OnsiteFull Time
5+ YOEBS in CS/CE/Math/EE (or equivalent), 5+ years software engineering, experience with REACT/C/C++/C#, Linux, Jira, Git; ability to obtain DoD security clearance; US citizenship; strong written/oral communication and hardware test proficiency.
REACT, C, C++, C#, Linux OS, Jira, Git, oscilloscopes, multimeters
16h
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Software Engineer (II/III)
Fort Meade, Maryland, United States
OnsiteFull Time
14+ YOEActive TS/SCI clearance with polygraph, bachelor's degree, and 14–20 years of experience. Requires Python, modern programming language, Git, agile methods, and strong software engineering fundamentals.
Python, Java, C#, JavaScript, Git
4w
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Software Engineer III
Baltimore, Maryland, United States
$128k-$173k/yr OnsiteFull Time
7+ YOEBachelor's degree required; 7+ years platform engineering; experience with SQL Server, RedShift, RDS, DynamoDB, Glue, DMS; scripting in PowerShell or Python; AWS cloud architecture; IAM (Okta/OAuth2/JWT); CI/CD practices.
EC2, S3, Lambda, RedShift, SqlServer, RDS, DynamoDB, Glue, DMS, PowerShell, Python, Okta, OAuth2, JWT, CI/CD
1w
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Software Engineer III
Aberdeen, Maryland, United States
$120k-$140k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
4+ YOEProven experience with C#, .NET, VB.NET, ASP.NET, JavaScript, SQL; ECM and large-scale data/document migrations; API integrations; SQL Server/Oracle; Bachelor\u0002s degree; able to obtain DoD clearance; 4+ years experience.
C#, .NET, VB.NET, ASP.NET, JavaScript, PowerShell, SQL, SQL Server, Oracle, Hyland OnBase, Unity API, Brainware, ViewStar (Global360), Xamarin, Git, Enterprise Content Management (ECM)
1mo
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Software Engineer III
Annapolis Junction, Maryland, United States
$215k-$291k/yr OnsiteFull Time
10+ YOETop Secret/SCI clearance with polygraph required, US citizenship required, 10+ years related experience, Bachelor’s in Computer Science (or 4 yrs additional SWE experience), skills in computer/information/system security and web languages; leadership experience preferred.
ITOM, ITSM, HRSD, CSM, Service Portal, HTML, CSS, JavaScript, Free and Open Source Software (FOSS), Government-off-the-shelf (GOTS), Commercial-off-the-shelf (COTS)
1mo
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Radio Frequency Software Engineer III
Hanover, Maryland, United States
$120k-$270k/yr OnsiteFull Time
12+ YOETS/SCI with poly, US citizenship, Bachelors in Engineering/CS or equivalent experience, 12 years DSP algorithm and software development experience, proficiency with C++, Python, and Linux.
Python, C++, Linux
1mo
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Software Engineer III - Quality & Test
Greenbelt or United States
RemoteFull Time
6+ YOEBachelor's degree in a technical field, 6+ years experience, expertise in software QA, automated testing, V&V, test strategy development, ISTQB CTAL or equivalent, experience with Jira, and ability to obtain a security clearance.
Jira
1mo
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Radio Frequency Software Engineer III
Hanover, Maryland, United States
OnsiteFull Time
12+ YOETS/SCI with Poly and US citizenship required. 12 years DSP/software experience; strong C++, Python, Linux skills; B.S. in engineering or CS preferred (experience may substitute); IAT II/Security+ preferred.
Python, C++, Linux
2w
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Software Engineer III (ETL/DataStage)
Addison or Newark
OnsiteFull Time
3+ YOE3+ years experience developing ETL/DataStage, real-time replication, and large-scale data integration; strong automation, testing, and data validation skills.
ETL, DataStage, Mainframe, IIDR/CDC, Kafka, CI/CD
2mo
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Software Engineer III, Forward Deployed
Rockville or Rockville
$120k-$145k/yr OnsiteFull Time
5+ YOE5+ years of relevant experience; 3+ years in customer-facing technical roles; strong React, TypeScript, AWS; ability to translate stakeholder needs into technical solutions; hybrid schedule in Rockville, MD.
React, TypeScript, Tailwind CSS, Vite, AWS, Lambda, ECS, DynamoDB, Claude Code, Git, GitLab, CI/CD
3w
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Software Engineer III - Embedded Systems
Jessup, Maryland, United States
$99k-$130k/yr OnsiteFull Time
7+ YOE7+ years firmware/software development for instrumentation; BS required (MS preferred); expertise in C/C++ for embedded real-time systems, RTOS, GUI development, Python, GIT, and Linux; strong debugging and electronics skills.
C, C++, C#, Qt, Python, GIT, Azure DevOps, Linux, FreeRTOS, STM32, Linux Bash, oscilloscope, logic analyzer, multimeter
1mo
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AI Engineer - Software Engineer III
Jersey City or Wilmington
$133k-$185k/yr OnsiteFull Time
3+ YOE3+ years software engineering experience; hands-on building and operating production LLM/agent applications, AWS cloud-native services, retrieval-augmented generation, API integrations, evaluation/observability, and responsible AI practices.
AWS, Kubernetes
1mo
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Software Engineer - AI (Top Secret Clearance Required)
Alexandria or Chantilly or Gaithersburg or Saint Louis
OnsiteFull Time
Active Top Secret clearance (TS) required, bachelor’s in CS/Engineering, DoD 8570 IAT Level II/III (e.g., Security+), proficiency in Python, cloud (AWS) architecture, CI/CD, CloudFormation/Terraform, and database development.
Python, GitLab, Jenkins, AWS CloudFormation, Terraform, PostgreSQL, Zabbix, ACAS, Jira, Confluence, RocketChat, AWS, Windows, Linux
2mo
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Bridge Engineer III
Arlington or Baltimore
$83k-$163k/yr OnsiteFull Time
2+ YOEBachelor's+4 yrs or Master's+3 yrs or PhD+2 yrs in Engineering; experience with bridge design, calculations, reports, and engineering software; may mentor junior staff.
Microsoft Office Suite, OpenBridge Designer, Leap Bridge Concrete/Steel, CSiBridge, MicroStation, AutoCad
3mo
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Electrical Engineer III
Towson, Maryland, United States
$120k-$150k/yr HybridFull Time
5+ YOEBachelor's in electrical engineering, 5+ years design experience, EIT and LEED preferred, PE strongly preferred, proficiency with AutoCAD/Revit/SKM/lighting software, ability to perform field visits and construction administration.
AutoCAD, Revit, SKM, AGI, Visual
2mo
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Senior Systems Engineer (Engineer III)
Rockville, Maryland, United States
$140k-$180k/yr OnsiteFull Time
8+ YOEBachelor's degree in a technical discipline, 8+ years engineering experience in aerospace/spacecraft systems, experience with flight and ground software, systems engineering, interface management, and strong communication skills; US person/authorization required.
C, C++, Python
2mo
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Systems Test Engineer III
Hunt Valley, Maryland, United States
$111k-$168k/yr OnsiteFull Time
2+ YOEBachelor's in engineering (or related) with 5+ yrs experience (or MS with 3+ yrs, PhD with up to 2 yrs). Experience with hardware/software integration, requirements management, test planning/execution; DOORS, JIRA, MagicDraw preferred; Secret clearance eligibility required.
DOORS, JIRA, MagicDraw, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft PowerPoint, Microsoft Project, Microsoft Visio
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