Java Jobs in District Of Columbia

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Software Engineer-Mid Level

QinetiQ US

Fort Belvoir, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a

Manager, Software Engineering (Onsite)

RTX Corporation

Maryland, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: MD440: 8170 Maple Lawn Blvd Fulton MD 8170 Maple Lawn Boulevard , Fulton, MD, 20759 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Solipsys, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and

Engineering Technician (Secret Clearance)

Harris Corporation

Ashburn, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Fircosoft Developers

TQUAL SOLUTIONS

Remote

Contract

JD for the Fircosoft Developers: Opportunity for a Fircosoft developer in the OFAC compliance space. The candidate will be a significant contributor to a globally diverse team which is responsible for enhancing and maintaining our sanction screening platform. Challenges will include the deployment of a new Fircosoft Continuity V6 platform, back-end rule writing, OFAC screening of real-time financial messages, configuring, testing, and deploying product enhancements, building new utilities and

Vulnerability Research Engineer and Developer

Booz Allen Hamilton

Quantico, Virginia, USA

Full-time

Job Number: R0219125 Vulnerability Research Engineer and Developer Key Role: Conduct research and analysis to identify vulnerabilities and potential threat vectors into systems and networks, develop CNO and CNE exploits, enable capabilities, and engineer attack methodologies. Apply leading-edge principles, theories, and technologies and contribute to the development of new cyber operations concepts and tradecraft. Work on unusually complex national security problems and provide highly innovativ

Developer IV

Kforce Technology Staffing

Reston, Virginia, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Developer IV in Reston, VA. Key Tasks: * Performs high complexity (i.e., system level applications) analysis, design, development and unit testing of software applications from user requirements/stories and design documents * Resolves defects encountered during various testing cycles REQUIREMENTS: * Strong fundamentals of Object-Oriented Concepts * Solid Core Java expertise * Solid Spring/Spring-Boot expertise * Solid understanding of Rel

Ruby on Rails Developer

kjohn@samrusystems.com

Remote

Third Party, Contract

Ruby On Rails Developer (Need to have experience Leading team and working on Complex Projects) Minneapolis, MN - 3 Roles Remote Required Qualifications: Ruby on Rails or similar MVC framework knowledge (Django, Spring, etc.) Ruby experience or similar dynamic language (Javascript, Python) MongoDB or similar NoSql database. Front end skills (HTML, CSS, Vue.js or similar). Strong communication and problem solving skills. Attention to detail and clean coding skills. Preferred Qualifications: Expe

PSA Engineer - Network/Transmission

Centraprise Corp

Remote or Melbourne, Florida, USA

Full-time

Position: PSA Engineer - Network/Transmission Location: Melbourne, FL Duration: Fulltime Permanent Completely Remote Position Description Years of exp Required: 07-16 years Job Description: Must Have Technical/Functional Skills 5+ years of work experience in customizing and delivering Energy Management Systems preferbly e-tea AEMS - Reliance 5 + years of experience with C++, Java or other related language. 5+ years of experience with GE s AEMS Reliance source design and development. 5+ years

Jr. Full Stack Engineer

Leidos

Gaithersburg, Maryland, USA

Full-time

Description Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers' mission to defend against evolving threats around the world. Our team's focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and criti

Identity and Access Management Engineer - Managing Consultant

Navigant Consulting

Arlington, Virginia, USA

Full-time

Job Family: Management Consulting Travel Required: Up to 10% Clearance Required: Ability to Obtain Secret What You Will Do: Our Cybersecurity Consultants are a team of business integrators with extensive consulting and industry experience who help our clients solve their complex business issues from strategy through execution. The Identity and Access Management Engineer - Managing Consultant will support the implementation of multiple cybersecurity systems including but not limited to: Publi

Lead Software Engineer - Intelligence Community Applications

General Dynamics

Fairfax, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Agile Methodology, Application Development, Software Solutions, Structured Query Language (SQL), Technical Leadership Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Software Engineer Sr Advisor Deliver simpl

Software Engineer

Nightwing

Remote or Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Software Engineer 3

Jacobs

Annapolis, Maryland, USA

Full-time

Your Impact: Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Software Engineer to join our team of passionate individuals in Annapolis Junction, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. Responsibilities: On the Data Storage/Retrieval teams, the candidate will be responsible for designing, developing,

Information Technology - Solution Architect Specialist

Apex Systems

McLean, Virginia, USA

Full-time

Job#: 2075703 Job Description: We are hiring Solution Architect Specialist! Role: Solution Architect Specialist Supporting: Large Financial Services Client Location: McLean, VA Position Description: We have an exciting opportunity for a Senior Solution Architect Specialist to join our team. If you have a passion for modernizing legacy systems and working with cutting-edge technologies like microservice architecture and cloud platforms, this role is perfect for you! Youll leverage your expertis

Lead CNO Software Engineer

ManTech

Maryland, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Lead CNO Software Engineer to join our team in the Hanover, Maryland. Responsibilities include, but are not limited to: Coding and development with Python, Java and Groovy.Performing data analytics on logs, images, and other formats.Working with Databases and General Troubleshooting (tuning and optimization, deadlocks, keys, normalization) in any Relational Database Engines (MySQL, PostgreSQL, Oracle, SQL Server).Using streaming technologie

Senior Software Engineer - Test Automation

General Dynamics

Fairfax, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Agile Scrum Development, Automated Testing, DevOps, Octopus Deploy, Test Automation Framework Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Software Engineer Senior Deliver simple solutions to complex problems as a Softw

Full Stack Developer

Kforce Technology Staffing

Remote or Atlanta, Georgia, USA

Contract

RESPONSIBILITIES: Kforce has a client seeking a remote Full Stack Developer to join their team in Atlanta, GA. The client is looking for a strong mid-level engineer who can hit the ground running in modularizing the backend of the product landing page search application. The backend is a little old and they want to decouple it and make it much more efficient. The Full Stack Developer will be using the latest versions of Java (21), Springboot and Google Cloud Platform. There will also be some UI

ICAM Engineer (DIAS) - TS/SCI

General Dynamics

Annapolis, Maryland, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Identity Access Management (IAM), Systems Development, Systems Engineering Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: GDIT is your place. Make it your own by bringing your ideas and uniqu

Software Engineer 3

Nightwing

Remote or Annapolis, Maryland, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Senior Platform Engineer - Oracle Cloud

Navy Federal Credit Union

Vienna, Virginia, USA

Full-time

Overview Navy Federal's Microsoft Infrastructure Engineering Team fosters a collaborative environment and is building a best-in-class team that manages, enhances, and protects Navy Federal information and its Oracle Cloud and Microsoft Windows server environments. #dice As a Platform Engineer, you are expected to be a subject matter expert with hands-on experience with Oracle Cloud, tools and methodologies, preferably with a focus on automation. This role is suited for an experienced Engineer wi