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Internship Java Gui Developer Jobs in Washington

Synergy ECP

Software Engineer Level 3

Columbia, MD · On-site

Experience with C, C++, Java, Python * Experience using XML, JSON, MongoDB and Web Services in a ... GUI Programming and familiarity with assistive technologies, Atlassian Confluence, TLS, PKI, Unix ...

Apogee Integration LLC

Software Developer

Chantilly, VA · On-site

$106K - $220K/yr

Python, Java, C#, Go, JavaScript, C/C++); multiple preferred * Must have proficiency with software ... Experience with Graphical User Interface (GUI) Development, and/or experience working with Qt ...

Apogee Integration LLC

Software Developer

Chantilly, VA · On-site

$106K - $220K/yr

Python, Java, C#, Go, JavaScript, C/C++); multiple preferred * Must have proficiency with software ... Experience with Graphical User Interface (GUI) Development, and/or experience working with Qt ...

Apogee Integration LLC

Software Developer

Chantilly, VA · On-site

$106K - $220K/yr

Python, Java, C#, Go, JavaScript, C/C++); multiple preferred * Must have proficiency with software ... Experience with Graphical User Interface (GUI) Development, and/or experience working with Qt ...

Apogee Integration, Llc

Software Developer

Chantilly, VA · On-site

$106K - $220K/yr

Python, Java, C#, Go, JavaScript, C/C++); multiple preferred * Must have proficiency with software ... Experience with Graphical User Interface (GUI) Development, and/or experience working with Qt ...

Govcio LLC

Software Developer- SME

Quantico, VA · On-site

$175K - $185K/yr

... basic, ABAP, JAVA, XTML, etc. Provides patches and upgrades to existing systems. Involved in ... May design graphical user interface (GUI) to meet the specific needs of users. Prepares operating ...

Apogee Integration LLC

Software Developer

Chantilly, VA · On-site

$106K - $220K/yr

Python, Java, C#, Go, JavaScript, C/C++); multiple preferred * Must have proficiency with software ... Experience with Graphical User Interface (GUI) Development, and/or experience working with Qt ...

Govcio LLC

Software Developer- SME

Quantico, VA · On-site

$175K - $185K/yr

... basic, ABAP, JAVA, XTML, etc. Provides patches and upgrades to existing systems. Involved in ... May design graphical user interface (GUI) to meet the specific needs of users. Prepares operating ...

Govcio LLC

Software Developer- SME

Quantico, VA · On-site

$175K - $185K/yr

... basic, ABAP, JAVA, XTML, etc. Provides patches and upgrades to existing systems. Involved in ... May design graphical user interface (GUI) to meet the specific needs of users. Prepares operating ...

GovCIO LLC

Software Developer- SME

Quantico, VA · Hybrid

$175K - $185K/yr

... basic, ABAP, JAVA, XTML, etc. Provides patches and upgrades to existing systems. Involved in ... May design graphical user interface (GUI) to meet the specific needs of users. Prepares operating ...

GovCIO LLC

Software Developer- SME

Quantico, VA · Hybrid

$175K - $185K/yr

... basic, ABAP, JAVA, XTML, etc. Provides patches and upgrades to existing systems. Involved in ... May design graphical user interface (GUI) to meet the specific needs of users. Prepares operating ...

Govcio LLC

Software Developer- SME

Quantico, VA · On-site

$175K - $185K/yr

... basic, ABAP, JAVA, XTML, etc. Provides patches and upgrades to existing systems. Involved in ... May design graphical user interface (GUI) to meet the specific needs of users. Prepares operating ...

Govcio LLC

Software Developer- SME

Quantico, VA · Hybrid

$175K - $185K/yr

... basic, ABAP, JAVA, XTML, etc. Provides patches and upgrades to existing systems. Involved in ... May design graphical user interface (GUI) to meet the specific needs of users. Prepares operating ...

InterImage

Senior Python Developer

Laurel, MD · On-site

$120K - $162K/yr

... proposed GUI designs. Provide subject matter expertise for metric generation, usage, and ... Experience with C, R, or Java Familiarity with GMLearn Familiarity with GitLab, Docker, Kubernetes ...

Peterson Technologies

Software Test Engineer

Hanover, MD · On-site

$145K - $1M/yr

Lead the design and implementation of automated GUI test cases using Selenium and Robot Framework ... Work across a multi-language tech stack involving Java, Python, and C++ , ensuring test coverage ...

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Internship Java Gui Developer information

What is the difference between Internship Java Gui Developer vs Java Software Engineer?

AspectInternship Java Gui DeveloperJava Software Engineer
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldBachelor's or higher in Computer Science or related field, with professional experience
Work EnvironmentInternship setting, often in a team supporting GUI applicationsFull-time, professional environment developing Java applications
Employer & Industry UsageTech companies, startups, or software firms offering internship programsEstablished companies, software firms, and tech organizations
Search & Comparison IntentLooking for entry-level or internship opportunities in Java GUI developmentSeeking full-time Java development roles with GUI focus

The main difference is that an Internship Java Gui Developer is an entry-level, temporary position aimed at gaining experience, while a Java Software Engineer is a full-time professional role requiring more experience and responsibilities in Java application development.

What are the most commonly searched types of Java Gui Developer jobs in Washington?

The most popular types of Java Gui Developer jobs in Washington are:

Internship Java Gui Developer jobs near you
Infographic showing various Internship Java Gui Developer job openings in Washington as of August 2026, with employment types broken down into 10% Internship, 68% Full Time, 18% Part Time, 1% Temporary, and 3% Contract. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution.

Software Engineer Level 3

Columbia, MD • On-site

Synergy ECP
IT Services • 51 - 200 employees
Learn more about Synergy ECPexternal

Full-time

Re-posted 20 days ago

Job description

Company Description
Synergy ECP is a Service Disabled Veteran-Owned Small Business SD(VOSB) that was formed in July 2007 with Headquarters in Columbia, MD and is made up of talented, dedicated staff to provide a broad range of services to the defense, intelligence and health care industries.
In an ultra-competitive environment, Synergy ECP has thrived by adhering to our name, making sure excellence is displayed by our Employees, to our Customers and by Improving Performance (ECP).
It's what sets us apart, enabling us to be an autonomous yet agile business that delivers huge results - showing we're ready to meet our customers' evolving demands.
Synergy ECP has earned a client list that includes numerous Fortune 100 companies, in addition to multiple branches of the US government and military services.
Synergy ECP is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, age, disability, veteran status, or any other protected class.
Clearance Required: TS/SCI
Other Requirements: U.S. Citizenship
1 Fulltime Software Engineer Level 3-
  • Create, draft, modify, and issue final documents to support office policies, procedures, mission capabilities, security, training, and visual displays
  • Complete tasking through ticketing systems or direct communication with team/government leads

Examples of work activities:
  • Architecture diagrams
  • Compliance documents
  • CONOPs
  • Coordinate meeting calendars
  • Deployment documentation
  • Data management requests
  • Evacuation diagrams
  • Enhance mission metrics tools
  • System diagrams
  • Network data flows
  • Org charts
  • Operational needs statements
  • Process flowcharts
  • Program milestone activities
  • Rack elevations
  • Seating charts and signout logs
  • Security documentation to include graphs/charts for status meetings
  • Special processing forms (SPFs)
  • Standard operating procedures
  • Support office configuration management documents
  • Web pages and Wikis content changes
  • Write mission highlights and update operational deployment pages/documents
  • Working aids

Other Qualifications:
  • Experience with Microsoft/Adobe and other software to enhance office visualization and documentation needs
In addition to the minimum required experience specified in the SOW for the selected labor category, the following special technical skills are also required:
  • 10+ years of experience with C++ and multi-threaded programming
  • 6+years experience in Network Information Service and UNIX/LINUX operating systems (RedHat, CentOs, etc)
  • 6+ years of experience with one or more database languages, including: MySQL, MongoDB, Redis
  • 6+ years of experience with developing and implementing system configuration scripts in Python, Perl, Java, ksh, csh, Bourne, and Bash.
  • 6+ years of experience of modern communications technology applications and advancements
  • Experience with modern SIGINT data formats
  • Experience with and programming knowledge of XML, JSON
  • Experience with development, integration, system, and unit testing
  • Strong understanding of Object Oriented methodologies
  • Experience related to PROFORMA signals or design

In addition to the minimum required experience specified in the SOW for the selected labor category, the following special technical skills are also desired:
  • Experience with software engineering methods, real-time systems, and signals analysis
  • Experience with C, C++, Java, Python
  • Experience using XML, JSON, MongoDB and Web Services in a LINUX environment.
  • Knowledge of telecommunications signals
  • Experience working with legacy SIGINT data formats
  • Experience working with event driven procession and data streaming
  • General understanding of SIGINT data flows and related mission systems
  • GUI Programming and familiarity with assistive technologies, Atlassian Confluence, TLS, PKI, Unix administration
  • Working knowledge of CMMI
  • Experience using Subversion or similar software configuration management tools
  • Experience in applying robust software configuration management procedures within software development lifecycle

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