Java Jobs in District Of Columbia

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921 - 940 of 2,213 Jobs

Ruby on Rails Developer

kjohn@samrusystems.com

•

Remote

Contract, Third Party

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
Easy Apply
Posted 44 days ago | Updated 14 days ago

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
Posted 60+ days ago | Updated 8 hours ago

Software Engineer with Poly Mid to SR

Lockheed Martin Corporation

•

Annapolis, Maryland, USA

Full-time

Job Description THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data analytics and agile development projects, as well as collaborating with cross-functional teams to drive mission objectives. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company th
Posted 49 days ago | Updated 8 hours ago

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
Posted 33 days ago | Updated 8 hours ago

Engineering Technician (Secret Clearance)

Harris Corporation

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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
Posted 21 days ago | Updated 8 hours ago

Senior Software Engineer

Booz Allen Hamilton

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Chantilly, Virginia, USA

Full-time

Job Number: R0219794 Software Engineer, Senior The Opportunity: As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof tware, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop sof tware and systems from vision to production-ready. This role is more than just coding
Posted 60+ days ago | Updated 8 hours ago

Cloud Engineer, TS/SCI with Polygraph

General Dynamics Information Technology

•

Herndon, 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: Software Development Job Qualifications: Skills: Amazon Web Services (AWS), Cloud Engineering, DevOps, Python (Programming Language) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: This is a unique opportunity for an experienced
Posted 58 days ago | Updated 17 hours ago

Senior Software Developer

Oracle Corporation

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Reston, Virginia, USA

Full-time

Job Description We are seeking a Senior Software Engineer to join our dynamic analytics team within Oracle Cloud Infrastructure (OCI). Our team is focused on building robust microservices and managing distributed systems to handle large-scale data flows across multiple realms. You will play a key role in developing scalable, high-performance services that process and transfer data egresses from several realms into a unified platform for advanced data analytics and visualizations. As a Software
Posted 19 hours ago | Updated 8 hours ago

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
Posted 3 days ago | Updated 1 hour ago

FICO Blaze Developer

Concent Software Solution LLC

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Remote

Contract, Third Party

FICO Blaze Developer Remote Experience in Fico Blaze Advisor BRE (Business Rule Engine) development Experience in Fico Blaze Advisor Rule Maintenance Application (RMA) setup, administration, and development Knowledge in Guiding Care environment is highly desirable Experience in exposing BRE rules to JAVA Web Services Rules Harvesting & Designing, Rules Authoring, Rule Orchestration Configuring the templates in Fico Blaze application Handle deployments in Fico Rules environment Meet business rul
Easy Apply
Posted 3 days ago | Updated 16 hours ago

Full Stack Developer

Kforce Technology Staffing

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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
Posted 4 days ago | Updated 1 hour ago

DevOps Engineer

Leidos

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Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a DevOps 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 vesting, Flexi
Posted 60+ days ago | Updated 8 hours ago

Identity and Access Management Engineer - Managing Consultant

Navigant Consulting

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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
Posted 60+ days ago | Updated 8 hours ago

Lead Engineer

Showman Staffing

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Remote

Full-time

Job Title: Lead Engineer Experience: 10+yrs Location: 100%-Remote-USA Job: Permanent Full Time Requirement Lead Engineer or Architect Primarily individual will lead the e-commerce to erp world for a digital e-commerce portal built on magento acquia stack. Key Responsibilities Lead the design, development, and delivery of scalable, secure, and high-performance eCommerce and web solutions.Oversee daily operations for eCommerce platforms (Magento, Drupal, Acquia), ensuring site uptime, performance
Easy Apply
Posted 15 hours ago

Jr. Full Stack Engineer

Leidos

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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
Posted 15 hours ago | Updated 15 hours ago

Software Engineer

Nightwing

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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
Posted 19 days ago | Updated 8 hours ago

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,
Posted 12 days ago | Updated 8 hours ago

Lead Software Engineer - Intelligence Community Applications

General Dynamics

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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
Posted 7 days ago | Updated 8 hours ago

Information Technology - Solution Architect Specialist

Apex Systems

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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
Easy Apply
Posted 60+ days ago | Updated 8 hours ago

Specialized Modernization Software Engineer - SWE2

Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description Who You Are: Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel the customer into the next phase of product suite modernization by
Posted 19 hours ago | Updated 8 hours ago