Junior Java Developer Jobs in Bear, DE, US

Save

Mark Applied

Hide

Software Engineer - Junior Level

Annapolis Junction, Maryland, United States

$98k-$123k/yr HybridFull Time

Boeing Intelligence & AnalyticsNYSE: BA: Provides intelligence analytics and cyber solutions for national security.

0+ YOEBachelor's in CS or related field or 4 years of software engineering experience; TS/SCI with poly; Agile, Jira/Confluence; experience with Java/C++/Python, Git, Postgres; AWS preferred.

Git, Java, C++, Python, PostgreSQL, Jira, Confluence, AWS, Docker, Kubernetes, HAProxy, Nginx, Elastic Stack

Save

Mark Applied

Hide

Drexel Co-Op: Software Engineer (Java)

Philadelphia, Pennsylvania, United States

RemoteTemporary

NBME: Develops and manages medical licensing and healthcare professional assessments.

Entry-level software engineer coop; learning mindset; experience with Java/Python/AWS; good communication; SDLC knowledge; automated testing a plus.

Java, Python, AWS, Appium, Cucumber, Angular, Spring Boot, SQL, JUnit

2mo

Save

Mark Applied

Hide

2mo

Full Stack Developer (Java, Spring, MongoDB, Elasticsearch) - Top Secret/SCI/FSP Required - Onsite

Annapolis Junction, Maryland, United States

OnsiteFull Time

Booker DiMaio: Software engineering and IT modernization for government agencies.

Top Secret/SCI clearance required; onsite in Annapolis Junction, MD; Java 8+; Elasticsearch; MongoDB; Oracle; Spring Boot; Angular; RESTful services; Solr; strong interfaces between applications.

Java, Elasticsearch, MongoDB, Oracle, Spring Boot, Angular, RESTful web services, Solr

Save

Mark Applied

Hide

Software Engineer Sr

Boulder or King of Prussia

OnsiteFull Time

Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.

3+ YOE3+ years software development experience in Agile; proficiency in Java, C++, or C#; experience with Docker/Kubernetes; ability to obtain/hold a Secret security clearance.

Docker, Kubernetes, Java, C#, C++, Agile, CI/CD

Save

Mark Applied

Hide

Associate Database Platform Developer

Wilmington, Delaware, United States

$90k-$110k/yr HybridFull Time

BlackRockNYSE: BLK: Provides investment management and financial technology services globally.

Experience with Python, Perl, or Java; basic SQL and relational databases; software development basics; strong problem solving; team collaboration.

Python, Perl, Java, SQL

3mo

Save

Mark Applied

Hide

3mo

Software Developer

Philadelphia, Pennsylvania, United States

HybridFull Time

TransamericaNYSE: AEG: Provides life insurance, retirement solutions, and investment services.

Bachelor’s degree or equivalent in a technical field; experience with Core Java or .NET; knowledge of frameworks and cloud services; strong problem solving and collaboration skills.

Java, C#/.NET, Spring Framework, J2EE, REST, API, Jenkins, Docker, Kubernetes, AWS, Azure, SQL, NoSQL, Cosmos DB, Data Factory, Event Hubs, Git, Maven, NUnit, SageMaker, Spark, Swagger, OData, EJB, Angular, React, Vue.js, HTML, CSS, JavaScript

Save

Mark Applied

Hide

Software Engineer I (Onsite)

Fulton, Maryland, United States

$63k-$120k/yr OnsiteFull Time

RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.

Bachelor's degree in STEM; Java and C++ experience; multithreaded software development; willingness to work onsite in Fulton, MD; ability to obtain/maintain DoD Secret clearance; U.S. citizenship.

Java, C++, Maven, Apache Ant, Jenkins

Save

Mark Applied

Hide

Associate Software Engineer

Moorestown, New Jersey, United States

OnsiteFull Time

ASRC Federal: Provides engineering and IT services to federal government agencies.

2+ YOEBachelor’s degree or equivalent; ability to obtain security clearance; 0-2 years in real-time mission-critical development; Java, C++, Python; Linux/UNIX; UML; design patterns; Open/Layered architecture.

Java, C++, Python, Linux, UNIX, Eclipse, UML, Clearcase, JIRA, xUnit, CPPUnitLite

Save

Mark Applied

Hide

Summer 2026 Software Developer Internship

Annapolis Junction, Maryland, United States

$26-$35/hr OnsiteFull Time

GDITNYSE: GD: Delivers IT and mission services to government agencies.

0+ YOE0+ years of related experience; proficiency in Python, Java, C/C++, Rust, JavaScript/TypeScript; US citizenship required; software development best practices; teamwork.

Python, Java, C/C++, Rust, JavaScript/TypeScript

2mo

Save

Mark Applied

Hide

2mo

Associate Software Engineer

Arlington or Mount Laurel

$72k-$114k/yr OnsiteFull Time

Innovative Defense Technologies: Develops automated software integration and testing solutions for defense.

0+ YOE0–2+ years backend development; BS in a related field; proficient in Python/Java/C++/C#; ability to travel; knowledge of SDLC; APIs and databases; distributed systems; security practices.

Python, Java, C++, C#

Save

Mark Applied

Hide

Software Engineer - Early Career

King of Prussia, Pennsylvania, United States

OnsiteFull Time

Lockheed MartinNYSE: LMT: Designs and builds aerospace and defense technology systems.

0+ YOEBachelor’s degree in computer science or related field; Java development experience; experience with COTS/FOSS integration; ability to navigate Linux/Windows; U.S. citizenship and ability to obtain government security clearance (TS/SCI).

Java, Linux, Windows, COTS, FOSS, Agile, Angular, Oracle, Docker, SQL, Git, DevSecOps, Elasticsearch, Kubernetes, Kinetica, Python, AI/Machine Learning

1mo

Save

Mark Applied

Hide

1mo

Data Developer Intern

Exton, Pennsylvania, United States

$52k-$78k/yr HybridInternship

GuidewireNYSE: GWRE: Provides a software platform for property and casualty insurers.

Pursuing a Master’s in CS/Software Eng; strong Java or Python; SQL; cloud basics; Agile; data/ETL interest.

Java, Python, SQL, AWS, Azure, GCP

Save

Mark Applied

Hide

Software Engineer - 90402844 - Washington DC, Philadelphia PA or Wilmington DE (US)

Washington or Wilmington or Philadelphia

$72k-$93k/yr OnsiteFull Time

Amtrak: Operates America's national intercity passenger railroad system.

1+ YOEBachelor’s degree or equivalent; 1+ year software engineering; Java, Python, SQL; frontend/backend development; CI/CD and cloud; onsite in DC/DE/PA.

Angular, React, Java, Python, SQL, NoSQL, AWS, Azure, CI/CD

Save

Mark Applied

Hide

CyberTron Contract: Software Engineer I

Aberdeen, Maryland, United States

$85k-$110k/yr OnsiteFull Time

Techximius: Provides specialized IT and engineering services for defense missions.

1+ YOEEntry-level software engineer with skills in Java/C/C++, Python, or JavaScript; knowledge of backend, web apps, and microservices; DoD environment familiarity preferred.

Java, C/C++, Python, JavaScript, Backend development, Web technologies, Microservices, SQL

Save

Mark Applied

Hide

QA Engineer Intern

Philadelphia, Pennsylvania, United States

$20-$25/hr OnsiteInternship

Cadent: Provides an advertising technology platform for cross-platform TV media.

0+ YOEPursuing a bachelor’s in computer science or mathematics (or related field); full-time summer internship; strong analytical/problem-solving skills; excellent communication; basic programming in Java or Python; familiarity with SQL, Git, and VS Code; cloud knowledge.

Java, Python, VS Code, Git, SQL, Cloud (GCP/AWS)

Save

Mark Applied

Hide

Associate Software Development Engineer (SDET), IT Software Engineers

Dresher or Baxter or Newton

RemoteFull Time

Ascensus: Administers tax-advantaged retirement and education savings plans.

0+ YOEBachelor’s degree in CS/Engineering or related field; basic programming in C#, Python or Java; desire to learn in Agile environment; knowledge of testing concepts.

C#, Python, Java, PowerShell, Bash