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Mid-Level java developer

  • Job type Posted on: Jul 01, 2026
  • Experience level TryApplyNow
  • Employment type Arlington, Virginia
  • Employment type Onsite
  • Salary Full-time

Job Title :

Mid-Level java developer

Job Type :

Full-time

Job Location :

Arlington Virginia United States

Remote :

No

Jobcon Logo Job Description :

# Mid-Level java developerTwenty First SystemsFull TimemidArlington, Virginia, USPosted 13 days ago## Role OverviewTwenty First Systems is hiring a mid-level Mid-Level java developer. This is a full-time role in Arlington. posted last week. Full responsibilities, required qualifications, and the apply link are listed in the description below.## Resume Keywords to IncludeMake sure these keywords appear in your resume to improve ATS scoringPythonJavaScriptJavaBashShellSQLSpringAWSSign up free to auto-tailor your resume with all these keywords and get a higher ATS score## Job DescriptionJOB TITLE - Mid-Level Java developerLocation: Arlington, VA; Bethesda, MDTravel: < 5%Start Date: ImmediatelyClearance Requirement: Public TrustTAX TERM:- C2C, W2Project Duration:-1 Year+Hourly Rate-70$Visa Status:- Must be a U.S. Citizen or U.S. Legal Permanent Resident(GC/EAD)Job Summary: The Senior Associate, Technology is a member of the project team who takes responsibility that will include coding, unit testing, using design patterns, learning new technologies, and becoming an expert in one part of the system.Qualified applicants must be detail-oriented, result-driven individuals who work well within team environments and have good interpersonal skills, as well as good client interaction skills.### Responsibilities* Design and develop new code and/or support operations, maintenance, and enhancements of existing code.* Develop conceptual and technical design including use of OOA and OOD techniques.* Conduct multiple levels of testing including unit, system, integration and performance.Experience Guidelines:* At least 5+ years of relevant work experience.* Strong problem identification and analytical skills* Ability to plan and manage time and resources, establish priorities and meet goals* Must be detail-oriented and proactive about communicating status and progress.* Possession of excellent oral and written communication skills including the ability to create and deliverclear reports and documentation.* Experience working in small to medium-sized teams* Experience developing software in Java (including JSP and servlets) and JavaScript.* Experience working in a Unix or Linux environment.* Experience developing software involving database queries, e.g. SQL.* Desired but not required experience includes proficiency with Python, Perl, shell scripting (e.g. Bash),distributed computing (e.g., Hadoop), and information retrieval, text mining, or other analytical### Required Skills* Java, J2EE, Maven, Jenkins, SVN, Shell Scripting, POM files, and eclipse with various plug-in required* Proficient in Spring MVC, Spring Core, Hibernate, JSP, JSF, JQuery, Java Script* Experience with Amazon Web Services(AWS)* Implementing Database Change processes* Linux, Jboss, Tomcat, Mark Logic, Oracle### EducationBachelor's Degree required from college or UniversityAbout Our Client:-Our client is a leading provider of consult¬ing, technology, and marketing services to a wide array of U.S. governmental agencies. Focused on driving long-term change and transforming the citizen experience, we use technology to help agencies become more accessible and transparent. With a track record of delivering mission-critical solutions and the ability to leverage commercial best practices, they serve as trusted advisers to government agencies such as the Federal Bureau of Investigation, Library of Congress, National Institutes of Health, United States Department of Health and Human Services, and United States Department of Homeland Security.Sapient is a registered service mark of Sapient Corporation.* Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of this role, which include hearing, speaking, typing, and occasionally moving and/or lifting up to 15 pounds.Our client is an Equal Opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, orientation, national origin, disability, or protected veteran status. #J-18808-Ljbffr

Jobcon Logo Position Details

Posted:

Jul 01, 2026

Reference Number:

14660_23B1F3068B6A864D3EA938587FA7F1FA

Employment:

Full-time

Salary:

Not Available

City:

Arlington

Job Origin:

APPCAST_CPC

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# Mid-Level java developerTwenty First SystemsFull TimemidArlington, Virginia, USPosted 13 days ago## Role OverviewTwenty First Systems is hiring a mid-level Mid-Level java developer. This is a full-time role in Arlington. posted last week. Full responsibilities, required qualifications, and the apply link are listed in the description below.## Resume Keywords to IncludeMake sure these keywords appear in your resume to improve ATS scoringPythonJavaScriptJavaBashShellSQLSpringAWSSign up free to auto-tailor your resume with all these keywords and get a higher ATS score## Job DescriptionJOB TITLE - Mid-Level Java developerLocation: Arlington, VA; Bethesda, MDTravel: < 5%Start Date: ImmediatelyClearance Requirement: Public TrustTAX TERM:- C2C, W2Project Duration:-1 Year+Hourly Rate-70$Visa Status:- Must be a U.S. Citizen or U.S. Legal Permanent Resident(GC/EAD)Job Summary: The Senior Associate, Technology is a member of the project team who takes responsibility that will include coding, unit testing, using design patterns, learning new technologies, and becoming an expert in one part of the system.Qualified applicants must be detail-oriented, result-driven individuals who work well within team environments and have good interpersonal skills, as well as good client interaction skills.### Responsibilities* Design and develop new code and/or support operations, maintenance, and enhancements of existing code.* Develop conceptual and technical design including use of OOA and OOD techniques.* Conduct multiple levels of testing including unit, system, integration and performance.Experience Guidelines:* At least 5+ years of relevant work experience.* Strong problem identification and analytical skills* Ability to plan and manage time and resources, establish priorities and meet goals* Must be detail-oriented and proactive about communicating status and progress.* Possession of excellent oral and written communication skills including the ability to create and deliverclear reports and documentation.* Experience working in small to medium-sized teams* Experience developing software in Java (including JSP and servlets) and JavaScript.* Experience working in a Unix or Linux environment.* Experience developing software involving database queries, e.g. SQL.* Desired but not required experience includes proficiency with Python, Perl, shell scripting (e.g. Bash),distributed computing (e.g., Hadoop), and information retrieval, text mining, or other analytical### Required Skills* Java, J2EE, Maven, Jenkins, SVN, Shell Scripting, POM files, and eclipse with various plug-in required* Proficient in Spring MVC, Spring Core, Hibernate, JSP, JSF, JQuery, Java Script* Experience with Amazon Web Services(AWS)* Implementing Database Change processes* Linux, Jboss, Tomcat, Mark Logic, Oracle### EducationBachelor's Degree required from college or UniversityAbout Our Client:-Our client is a leading provider of consult¬ing, technology, and marketing services to a wide array of U.S. governmental agencies. Focused on driving long-term change and transforming the citizen experience, we use technology to help agencies become more accessible and transparent. With a track record of delivering mission-critical solutions and the ability to leverage commercial best practices, they serve as trusted advisers to government agencies such as the Federal Bureau of Investigation, Library of Congress, National Institutes of Health, United States Department of Health and Human Services, and United States Department of Homeland Security.Sapient is a registered service mark of Sapient Corporation.* Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of this role, which include hearing, speaking, typing, and occasionally moving and/or lifting up to 15 pounds.Our client is an Equal Opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, orientation, national origin, disability, or protected veteran status. #J-18808-Ljbffr

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