java Jobs in District of Columbia

381 - 400 of 2,057 Jobs

InfoSec EngineerJob Title - InfoSec Engineer

Compsciprep LLCCompany Name - Compsciprep LLC

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Reston, Virginia, USA

Contract

We are seeking a highly skilled Application Security Engineer/DevOps Specialist to join our dynamic team. The ideal candidate will have extensive knowledge in AWS, application security, coupled with proficiency in Python programming language. Responsibilities: Ensure robust and secure software development lifecycle (SDLC) practices.Design, implement, and maintain secure applications using Java or Python.Collaborate with DevOps teams to integrate security into CI/CD pipelines using tools such as

Application Developer / Cloud DeveloperJob Title - Application Developer / Cloud Developer

CMCICompany Name - CMCI

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Ashburn, Virginia, USA

Full-time

Applications Developer Location: **This position REQUIRES onsite support in Ashburn, VA, 2 times a week** Why CMCI? CMCI provides management consulting and IT services that empower enterprises to achieve their business goals in today's highly competitive market. Our goal is to seamlessly integrate into each customer's organization to fully understand their business and technological needs. This approach allows us to quickly deliver high quality solutions while achieving the highest level of cu

SDETJob Title - SDET

Hexaware Technologies, IncCompany Name - Hexaware Technologies, Inc

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McLean, Virginia, USA

Full-time

Role : SDET with Cypress experience Job Location McLean VA ( 3 Days Onsite & 2 Days Remote) Hire type : Fulltime only Mandatory Requirement: 8+ years of proven experience and well versed in Java, Selenium, BDD & TDD, Cucumber, Gherkin and CI/CD toolsStrong knowledge and proven experience in API automation, experience with REST assured or Karate; front-end and backend automation as wellStrong knowledge in Databases like (DB2, Mongo DB or Snowflake) and experience in writing SQL queries Must hav

Senior Software EngineerJob Title - Senior Software Engineer

Credence Management SolutionsCompany Name - Credence Management Solutions

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McLean, Virginia, USA

Full-time

Overview At Credence, we support our clients' mission-critical needs, powered by technology. We provide cutting-edge solutions, including AI/ML, enterprise modernization, and advanced intelligence capabilities, to the largest defense and health federal organizations. Through partnership and trust, we increase mission success for war-fighters and secure our nation for a better future. We are privately held, are repeatedly recognized as a top place to work, and have been on the Inc. 5000 Fastest G

Software EngineerJob Title - Software Engineer

Cornerstone DefenseCompany Name - Cornerstone Defense

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Chantilly, Virginia, USA

Full-time

Location: Chantilly, Virginia Type: Contract Job #3688 Title: Software Engineer Location: Chantilly, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is

Senior Systems EngineerJob Title - Senior Systems Engineer

LeidosCompany Name - Leidos

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Odenton, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Systems Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vestin

Software EngineerJob Title - Software Engineer

LeidosCompany Name - Leidos

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Ashburn, Virginia, USA

Full-time

Leidos is looking for a qualified Software Engineer to support the Custom Border Patrol TVPS program that handles all the travelers coming into the country via Airports, Seaports, Pedestrian, and Vehicle lanes. This position is focused on the support other teams within the contract and client applications. Leidos is looking for a software engineer that can develop code and help troubleshoot issues arising from working with the different teams. Ideally, this individual will work independently and

Application Security EngineerJob Title - Application Security Engineer

Kforce Technology StaffingCompany Name - Kforce Technology Staffing

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McLean, Virginia, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking an Application Security Engineer in McLean, VA. REQUIREMENTS: * High School diploma or GED * 6+ years of Information Technology experience * 3+ years of experience with supporting Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), and IDE Plug-in environments using Veracode and Burp Suite * 2+ years of experience with Java, Python, .NET, or C# * 3+ years of experience using the design and implementation

Middleware Administrator (IBM MQ)Job Title - Middleware Administrator (IBM MQ)

SAICCompany Name - SAIC

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Ashburn, Virginia, USA

Full-time

Job ID: 2507462 Location: ASHBURN, VA, US Date Posted: 2025-07-10 Category: Information Technology Subcategory: Database Admin Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description Position Summary: We are currently seeking a motivated, career and customer oriented mid-level MQ Administrator to join our team in Ashburn, VA to begin an exciting and challenging career

Atlassian DeveloperJob Title - Atlassian Developer

System OneCompany Name - System One

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Arlington, Virginia, USA

Full-time

Atlassian Developer TS/SCI Clearance is required Hybrid 2-3 days a week in Arlington or Alexandria Salary: $140,000-$180,000/year We are seeking a highly skilled Atlassian JIRA & Confluence Specialist to design, administer, and optimize our Atlassian platforms. The ideal candidate will have a strong technical background and proven experience in workflow design, automation, and integration, leveraging a broad toolkit to enable team success. Key Responsibilities Configure and administer user direc

Atlassian DeveloperJob Title - Atlassian Developer

ALTA IT ServicesCompany Name - ALTA IT Services

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Arlington, Virginia, USA

Full-time

Software DeveloperJob Title - Software Developer

KMM Technologies, IncCompany Name - KMM Technologies, Inc

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Rockville, Maryland, USA

Full-time, Third Party, Contract

KMM an ISO 9001:2015, CMMI Level 2 certified company provides high-quality IT consulting services and innovative solutions by using the most effective and modern technologies. We have a core group of Subject Matter Experts with certifications and immense experience in successfully delivering mission-critical solutions. We have extensive industry experience in the financial, insurance, Health IT, media, marketing, retail, and government markets. We have a proven track record in understanding clie

Mid Back End DeveloperJob Title - Mid Back End Developer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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McLean, Virginia, USA

Full-time

Job Number: R0222654 Back End Developer, Mid The Opportunity: As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for a back-end developer with the software engineering skills it takes to help identify potential risks, contribute to solution development, and create efficient and effective systems for our clients. As a back-end developer at Booz Allen, you'll u

Consulting Technical Manager - Applications Developer (Clearance Required)Job Title - Consulting Technical Manager - Applications Developer (Clearance Required)

Oracle CorporationCompany Name - Oracle Corporation

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Reston, Virginia, USA

Full-time

Job Description Must currently hold and have the ability to maintain a TS/SCI with Poly Clearance We are seeking a highly experienced and motivated Sr Applications Developer to join our Consulting Services organization on an exciting new contract supporting a Modern Data Platform (MDP) transformation. The ideal candidate will play a critical role supporting the implementation of new and existing tools to bring together big-data integration and operational capabilities that address our customer

Senior Systems Engineer, TS/SCI with PolygraphJob Title - Senior Systems Engineer, TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: DevOps, Java, Linux, Microsoft Windows, Scripting Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as a Sr. Systems Engineer analyzi

PL/SQL DeveloperJob Title - PL/SQL Developer

ALTA IT ServicesCompany Name - ALTA IT Services

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Arlington, Virginia, USA

Full-time

PL/SQL Developer Arlington, VA - hybrid (1-2 days a week onsite) Secret Clearance is required Job Description: Perform logical database (re)design, develop within-database code (e.g., PLSQL), and develop web app UI and services within MS SQLServer, Oracle databases and their associated stack (e.g., OS, Web and App Servers). Member of a team that maintains existing applications, refactors existing applications, and architects / designs new applications with user interfaces or applications that

Backend Software Developer (Clearance Required)Job Title - Backend Software Developer (Clearance Required)

LMI Government Consulting (Logistics Management InCompany Name - LMI Government Consulting (Logistics Management In

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Washington, District of Columbia, USA

Full-time

Overview LMI is seeking a skilled mid to senior level Backend Software Developer to support a client in the Washington, DC metro area. LMI is a consultancy dedicated to powering a future-ready, high-performing government, drawing from expertise in digital and analytic solutions, logistics, and management advisory services. We deliver integrated capabilities that incorporate emerging technologies and are tailored to customers' unique mission needs, backed by objective research and data analysis.

Senior Systems Engineer, TS/SCI with PolygraphJob Title - Senior Systems Engineer, TS/SCI with Polygraph

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Chantilly, Virginia, USA

Full-time

SDETJob Title - SDET

KMM Technologies, IncCompany Name - KMM Technologies, Inc

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Reston, Virginia, USA

Contract

Oracle APEX DeveloperJob Title - Oracle APEX Developer

Protos ITCompany Name - Protos IT

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Washington, District of Columbia, USA

Contract

title: SME Oracle APEX Developer Location: Washington, DC (100% on-site) duration: 6 months Security clearance: Public Trust hiring a SME Oracle APEX Developer . The ideal candidate will be personable and articulate and will focus on making sure that the customer s needs are met quickly and effectively. The successful candidate will be a self-starter who can work with limited supervision. Excellent communication skills are required to effectively interface with customers to understand requiremen