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242 mid level software engineer jobs at 145 companies in Townsend, DE

3mo
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Mid Software Engineer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOEBachelor's in CS or related field with 5 years experience, or 8 years experience; Python, C++, Java, C#; software development lifecycle; US citizenship and SECRET clearance.
Python, C++, Java, C#, Git, CI/CD, Docker
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2mo
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Mid Level Software Engineer
Baltimore, Maryland, United States
$125k-$150k/yr HybridFull Time
BlackSea Technologies
BlackSea Technologies: Designs and manufactures autonomous maritime vessels and defense hardware.
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
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2mo
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Software Engineer (Mid-Senior level)
Baltimore, Maryland, United States
OnsiteFull Time
Davis Unlimited Information Technologies
Davis Unlimited Information Technologies: Provides IT consulting and systems engineering for government agencies.
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
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1mo
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Mid-Level Software Engineer
Laurel or Columbia or Baltimore or Washington
$70k-$190k/yr HybridFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
6+ YOETS/SCI with polygraph required; bachelor’s degree in a technical discipline plus 6 years software engineering experience (10 years may substitute for degree); experience with React/Bootstrap, JavaScript/TypeScript, HTML/CSS, SQL/NoSQL, GitLab; Agile experience; able to work core hours 10AM-2PM Mon-Fri.
React, Bootstrap, JavaScript, TypeScript, HTML, CSS, SQL, NoSQL, GitLab, Node, Angular
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2mo
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Mid Level Software Engineer
Hanover, Maryland, United States
$160k-$190k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
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
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1mo
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Software Quality Engineer (Mid-Level or Senior)
Ridley Park, Pennsylvania, United States
$107k-$177k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
3+ YOEBachelor's degree in engineering/science and 3+ years in software quality; experience with SDLC, QA processes, and audits.
Git, Jira, Collaborator, Bitbucket, Beyond Compare, DevOps, SDLC, Agile, AS9115, DO-178, MIL-STD-882E, QMS
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Software Quality Engineer (Mid-Level or Senior)
Ridley Park, Pennsylvania, United States
$107k-$177k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
3+ YOEBachelor's degree in engineering or CS; 3+ years in software quality; experience with SDLC, QA processes; agile; AS9100/AS9115 knowledge; ability to obtain TS clearance.
Git, Jira, Collaborator, Bitbucket, Beyond Compare
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2w
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Full Stack Mid-level Java Software Engineer
Wilmington, Delaware, United States
$64k-$106k/yr OnsiteFull Time
WSFS Bank
WSFS BankNASDAQ: WSFS: Provides regional banking, wealth management, and cash logistics services.
3+ YOEBachelor's degree in CS or related, 3+ years Java-focused software development, experience with Spring Boot, microservices, Azure, Kubernetes, CI/CD, monitoring tools, testing frameworks, and security best practices.
Java, Python, JavaScript, C#, Spring Boot, RESTful, Azure, Kubernetes, CI/CD, Prometheus, Grafana, Datadog, JUnit, Mocha, Terraform, CloudFormation, SQL, NoSQL
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Software Developer (Mid)
Riverdale or College Park
$110k-$150k/yr HybridFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
5+ YOE5+ years experience; proficiency in TypeScript, C++, Java; React front-end development; API design; CI/CD (GitLab CI, Jenkins, Azure DevOps), Docker, Kubernetes; automated testing (Robot, Selenium, Sikuli); VSCode; Linux/WSL Ubuntu 20.04; AWS Kubernetes; must hold Secret clearance.
TypeScript, C++, Java, React, GitLab CI, Jenkins, Azure DevOps, Docker, Kubernetes, AWS Kubernetes, Robot, Selenium, Sikuli, VSCode, Linux, WSL, Ubuntu 20.04, Cosmos
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Software Engineer - Level III
Aberdeen Proving Grounds, Maryland, United States
$108k-$162k/yr OnsiteFull Time
Augustine Consulting
Augustine Consulting: Provides technical and engineering services to the US Department of Defense.
5+ YOESecurity clearance required; US citizenship; multiple education paths with experience; strong web development skills.
HTML, CSS, JavaScript, Python, PHP, SQL, Photoshop, Dreamweaver
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CNO Software Engineer Level 1
Annapolis Junction, Maryland, United States
OnsiteFull Time
Adaptic
Adaptic: Defense contractor providing software, engineering, and cybersecurity mission support.
7+ YOESeven years SWE experience; BS in CS; strong programming in C/C++/Java/Python; DevOps & CI/CD; TS/SCI with polygraph.
C, C++, C#, Java, Python, Docker, Terraform, Ansible, Packer, Artifactory, Jenkins, Bamboo
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Mid-Tier Application and Database Developer
Philadelphia, Pennsylvania, United States
$115k/yr HybridFull Time
AGE Solutions
AGE Solutions: Technology consulting and IT services for government agencies.
10+ YOE10 years in middle-tier and database development; strong C#, .NET, REST APIs; Oracle/SQL Server/PostgreSQL; SOLID; DoD Secret clearance or ability to obtain T3 investigation.
C#, dotnet, ASP.NET Web API, Oracle, SQL Server, PostgreSQL, Entity Framework, Dapper, TFVC, Git, Docker, Kubernetes
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Software Engineer
Chicago or St. Louis or Philadelphia
$75k-$95k/yr HybridFull Time
ProSight Financial Association
ProSight Financial Association: Professional association for financial services research and training.
3+ YOE3+ years software engineering experience with .NET/C#, SQL, Microsoft Azure (Functions, App Services, DevOps), front-end skills (HTML, CSS, JavaScript, React.JS/Angular JS), containerization (Docker, Kubernetes), and CI/CD practices.
.NET, C#, SQL, Microsoft Azure, Azure Functions, Azure App Services, Azure DevOps, HTML, CSS, JavaScript, React.JS, Angular JS, Docker, Kubernetes, Microsoft SQL Server, MySQL, PostgreSQL, Terraform, ARM templates, PHP, CI/CD, RESTful APIs
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Software Developer
Philadelphia, Pennsylvania, United States
$92k-$154k/yr HybridFull Time
AVEVA
AVEVA: Industrial software for engineering and operational performance management.
3+ YOE3+ years software/product development; degree in engineering, computer science, math, or physics; experience with C#/.NET, C++, JavaScript; strong debugging, communication, and design skills.
C#/.NET, C++, JavaScript
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Software Engineer
Aberdeen Proving Ground, Maryland, United States
$76k-$156k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
3+ YOEBachelor's in CS/Software/Electrical, 3+ years software development, U.S. citizenship, TS/SCI clearance (CI Poly ability), strong C++ and Python, Linux, geospatial and DSP familiarity, UI and API development experience.
C++, Python, Linux, React, Angular, VUE, HTML, CSS, TypeScript, REST APIs, PostgreSQL, PostGIS, SQLite, Git, CI/CD, Docker, Ansible, Cobbler
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1w
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Software Engineer III
Mt. Laurel or Bala Cynwyd or Philadelphia or United States
$100k-$115k/yr HybridFull Time
Philadelphia Insurance Companies
Philadelphia Insurance Companies: Specialty commercial property and casualty insurance provider.
Hands-on software engineering across the SDLC including development, testing, deployment, production support, APIs, integrations, databases, CI, and collaboration with architects and stakeholders.
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Software Engineer III
Mount Laurel or Bala Cynwyd or United States
$100k-$115k/yr HybridFull Time
Philadelphia Insurance Companies
Philadelphia Insurance Companies: Commercial property and casualty insurance underwriting and services provider.
Hands-on software engineering across SDLC; experience with application development, APIs, integrations, databases, CI/CD, troubleshooting, and collaborating with technical and business stakeholders.
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Nuuly Services Software Engineer - Level III
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Urban Outfitters
Urban OutfittersNASDAQ: URBN: Multi-brand retail operator of lifestyle apparel and home goods.
4+ YOE4+ years backend development; JVM languages; streaming data; cloud providers; distributed systems; testing; ability to lead feature design.
Kotlin, Java, Scala, Spring, Micronaut, Kubernetes, Cloud (GCP AWS Azure), Kafka, Spark, Storm, Cassandra, HTTP, JSON, REST, JUnit, Test-Driven Development
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Software Systems Engineer
Auburn or Aberdeen
$65k-$175k/yr OnsiteFull Time
Integrated Solutions for Systems
Integrated Solutions for Systems: Provides engineering, systems integration, and research for defense.
Bachelor's in engineering/computer science, US citizenship, ability to architect software, produce system engineering artifacts, develop test plans, perform integration, and travel for customer support.
C++, cmake, Docker, Kubernetes, Helm, git, CI/CD
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Software Engineer
Aberdeen Proving Ground, Maryland, United States
$76k-$156k/yr HybridFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
3+ YOEBachelor's in CS/SE/EE, 3+ years software development, U.S. citizenship, TS/SCI clearance (CI Poly preferred), strong C++ and Python skills, Linux experience, UI framework and API development experience.
C++, Python, Linux, React, Angular, Vue, Git, CI/CD, Docker, Ansible, Cobbler, HTML/CSS, TypeScript, REST APIs, PostgreSQL, PostGIS, SQLite, Automated testing
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