React.js Jobs in District of Columbia

Refine Results
101 - 120 of 755 Jobs

Data Scientist, Full-Scope Poly

Motion Recruitment Partners, LLC

•

Washington, District of Columbia, USA

Full-time

Motion Recruitment delivers IT Talent Solutions across North America. Our specialized team-based recruitment model's success is proven through our track record in filling the most challenging IT positions for startup and enterprise clients. Areas of expertise range across Software, Mobile, Data, Infrastructure, Cybersecurity, Product, and UX. We're also the proud creators of Tech in Motion and the Timmy Awards, our community event series and award program connecting tech enthusiasts to meet, lea
Easy Apply
Posted 51 days ago | Updated 10 hours ago

Software & Data/AI Engineer

Accenture LLP

•

Tysons, Virginia, USA

Full-time

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 20 days ago | Updated 1 hour ago

Senior Software Engineer (Onsite)

RTX Corporation

•

Maryland, USA

Full-time

Date Posted: 2025-03-31 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: Security Clearance: DoD Clearance: Secret Solipsys, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has
Posted 7 days ago | Updated 1 hour ago

Software Engineer

Booz Allen Hamilton

•

Arlington, Virginia, USA

Full-time

Job Number: R0220900 Software Engineer 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 software, 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 software and systems from vision to production-ready. This role is more than just coding. As a seni
Posted 24 days ago | Updated 3 hours ago

Software Engineer - 25k Sign on Bonus

Leidos

•

Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Software 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
Posted 6 days ago | Updated 9 hours ago

Software Developer (Senior)

American Systems Corporation

•

Springfield, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities Conducts research in design, development, testing and utilization of electronic data processing software.Designs, develops, documents, tests and debugs applications software and systems that contain logical and
Posted 53 days ago | Updated 1 hour ago

"Senior Quality Engineer"

Sriven Systems Inc.

•

Arlington, Virginia, USA

Contract

4+ years of experience as a QA Engineer, Software Engineer in Test, Test Automation Engineer or Developer, leveraging software QA tools and processes 4+ years of experience with a variety of different testing techniques such as test planning, UI testing, automated testing, analytic testing, or test-driven development strategies. 4+ years of experience with C#, React/Redux, Selenium, Cypress, SQL Server, Git, Jenkins, and/or Splunk Experience in designing and implementing automated testing infras
Easy Apply
Posted 3 days ago

Software Engineer V

Aditi Consulting

•

Remote or Arkansas City, Arkansas, USA

Contract

Payrate: $77.00 - $78.40/hr. Summary: As a Software Developer, you will play a key role in building robust and scalable software applications and services. You will work closely with our Technology and Products Teams to improve services and system architecture. Responsibilities: Application Development: Develop high-quality software solutions using Java, Spring Boot and React, ensuring scalability and robustness. Collaborative Innovation: Participate in brainstorming sessions and contribute idea
Easy Apply
Posted 9 days ago | Updated 9 hours ago

Senior Software Engineer

RTX Corporation

•

Sterling, Virginia, USA

Full-time

Date Posted: 2025-06-25 Country: United States of America Location: VA542: 22260 Pacific Blvd, Dulles 22260 Pacific Boulevard Building CC4, Sterling, VA, 20166-6916 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 Raytheon Company Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technolo
Posted 1 day ago | Updated 1 hour ago

Software Developer Subject Matter Expert (SME) - SME

Jacobs

•

Washington, District of Columbia, USA

Full-time

As a Top-Secret Software Developer for this program, you will be working in an organization that's mission is to develop and operate the best possible software for critical national security enterprise applications. This organization leverages SCRUM and SAFE Agile software development methodology and strong Dev Ops practices. You will be responsible for developing code, testing and debugging new software or enhancements to existing software. You will have a good understanding of business applic
Posted 49 days ago | Updated 2 hours ago

Lead Software Engineer, Full Stack (Go/Golang, AWS) (Cloud Operations Resilience Engineering)

Capital One

•

McLean, Virginia, USA

Full-time

Lead Software Engineer, Full Stack (Go/Golang, AWS) (Cloud Operations Resilience Engineering) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marry
Posted 60+ days ago | Updated 2 hours ago

Software Engineer - 25k Sign on Bonus

Leidos

•

Columbia, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Software 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
Posted 6 days ago | Updated 5 hours ago

Senior Software Developer/Engineer

Maxar Technologies Holdings Inc

•

Herndon, Virginia, USA

Full-time

Please review the job details below. Maxar has an immediate opening for a Software Developer/Engineer to join our team supporting a mission to solve unique and challenging problems for national security. We are seeking an engineer who embraces technology and thrives on the art of the possible. The ideal candidate will be part of a small multi-disciplinary software team and will have the unique opportunity to interact directly with users and other technologists to ensure solutions, development a
Posted 37 days ago | Updated 2 hours ago

Lead Software Engineer

Costar Group

•

Arlington, Virginia, USA

Full-time

Lead Software Engineer Job Description Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information an
Posted 60+ days ago | Updated 2 hours ago

Full Stack Software Engineer

Booz Allen Hamilton

•

Chantilly, Virginia, USA

Full-time

Job Number: R0220390 Full Stack Software Engineer 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 software, 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 software and systems from vision to production-ready. This role is more than just coding
Posted 36 days ago | Updated 3 hours ago

FLEX Senior Python Developer

Marriott International

•

Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. If you're looking to build leading technology that enables the future of global travel while transforming your career - step out of the status quo and join Global Technology at Marriott International. THE OPPORTUNITY We're seeking an exceptional Senior Python Developer to join our innovative 6-person team building Marriott's next-generation Internal Developer Portal. This greenfield project serves as the single pane of glass for application teams
Posted 13 days ago | Updated 1 hour ago

Senior.Net Developer

Cayuse Shared Services

•

Arlington, Virginia, USA

Full-time

Overview The .Net Developer is responsible for full stack development on the Windows platform with experience in Project Management and Agile methodologies. This position involves interacting with project stakeholders and designing solutions to meet their needs. All duties and responsibilities performed in accordance with the Core Values of Cayuse. Responsibilities Interacting with project stakeholders and designing solutions to meet their needs.Ability to Manage and Facilitate the Agile proc
Posted 59 days ago | Updated 11 hours ago

Front End Software Engineer

Booz Allen Hamilton

•

Chantilly, Virginia, USA

Full-time

Job Number: R0220446 Front End Software Engineer The Opportunity: The right interface can make a tool easy to use, encourage early adoption, and save time and resources. We're looking for you, a web developer who will use equal parts skill and vision to create an experience that delivers functionality and efficiency. This is an opportunity to meet challenges in mission critical operations by collaborating with a development team to develop web applications and tools with user-centric design. You
Posted 35 days ago | Updated 3 hours ago

Software Engineer TS/SCI FSP

Mission Box Solutions

•

Fort Meade, Maryland, USA

Full-time

Our client is seeking a Software Engineer! The ideal candidate will develop scripts and analytics to provide novel insights into complex questions while aggregating data from various sources and integrating it into both new and existing tools. This role involves developing user interfaces and visualizations to enhance customer toolsets, eliciting requirements and feedback directly from end-users and stakeholders, and collaborating with other teams to provide expertise and leverage collective exp
Posted 60+ days ago | Updated 11 hours ago

Workflow UI/UX Developer 3

Lockheed Martin Corporation

•

Annapolis, Maryland, USA

Full-time

Job Description This position may be eligible for a $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materia
Posted 6 days ago | Updated 1 hour ago