React.js Jobs in Washington

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Modernization Software Engineer - SWE1

Lockheed Martin

Maryland, USA

Full-time

Job ID: 693331BR Date posted: May. 23, 2025 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 nex

Software Engineer (Java Full-Stack)

Computershare

Columbia, Maryland, USA

Full-time

Locations: Charlotte, NC; Columbia, MD or St. Paul, MN (Hybrid) In this position, you'll be based in any of the above noted offices for a minimum of three days a week, with the flexibility to work from home for some of your working week. Find out more about our flexible work culture at computershare.com/flex. We give you a world of potential Computershare has an exciting opportunity for a permanent full-time Software Engineer (Java) to join our Computershare Corporate Trust (CCT) Technology t

Test Engineer, Intelligence Systems

Aduril Industries

Reston, Virginia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

.Net Developer

Innova Solutions, Inc

Remote

Contract

A client of Innova Solutions is immediately hiring for a .Net Developer. Position type: Full-time Contract Duration: 6 months Location: Lakeland FL 33801 (Remote) Responsibilities Minimum of 5 years of full-stack web development experience with the ASP.NET Web API & MVC development.Minimum 2 years of experience developing with .NET 5 or higher.Minimum 2 years of development experience with Oracle PL/SQL.Minimum 2 years of experience implementing design patterns, including dependency injection.M

Software Engineer

Parsons Services Company

Annapolis, Maryland, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Software Engineer to join our team! Wh

Senior Engineer

Kforce Technology Staffing

Remote or Johnston, Rhode Island, USA

Contract

RESPONSIBILITIES: Kforce has a client in need of a Senior Engineer. Key Responsibilities: * Utilize expertise in C# .Net and functional Reactjs to develop and maintain both front-end and back-end components of our applications * The Senior Engineer will create and use REST webservices to ensure seamless communication between the front-end and back-end systems * Leverage Azure technologies to enhance the scalability and performance of our applications * Utilize Docker and Kubernetes for containe

Senior Software Developer

QinetiQ US

Herndon, 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

.Net Full Stack Developer

Celer Systems, Inc

Remote

Full-time

Mandatory QualificationsFive (5) years of FTE experience in electronic data processing systems study, design, and programming. At least three (3) years of that experience must have been in a lead capacity.Possess a bachelor s degree in an IT- related or Engineering field. Additional qualifying experience may be substituted for the required education on a year-for-year basis.Five (5) years of FTE experience in designing, developing, implementing .Net applications and maintaining the existing .Net

Jr. Full Stack Engineer

Leidos

Gaithersburg, Maryland, USA

Full-time

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 critical assets.

Senior Software Engineer in Messaging (W2 Only)

SSI People

Remote

Contract

Full Stack Engineer Are you passionate about building meaningful user experiences that connect people to the content they love? Join our client's team as a Full Stack Engineer and help shape how millions of members engage with Live and On-Demand content. What You ll Do: Build and maintain engaging messaging experiences including email, push notifications, and in-app messages using HTML, React, TypeScript, and Java. Collaborate with cross-functional teams including Product, Design, Data Science,

Enterprise Data Architect (Hybrid Work Schedule)

ICF

Remote or Reston, Virginia, USA

Full-time

ICF is actively recruiting for an Enterprise Data Architect who is customer-focused and passionate about helping the business modernize and transform their systems through pragmatic enterprise strategies. Utilizing the combined knowledge of technology and business, the candidate will become a trusted advisor to business partners and provide leadership to plan, acquire/develop, implement, and ultimately operate enterprise-wide solutions. You will work with a team of talented professionals, contri

Mobile Application Developer

Leidos

Ashburn, Virginia, USA

Full-time

The National Security Sector within Leidos is seeking a Mobile Application Developer to provide technical expertise on a mission-critical program whose purpose is to development, modernize, enhance, operate, and maintain services for DHS/CBP mission critical systems. Mobile App Developers requires a strong mix of communications skills and hands on technical trouble shooting to support application issues and application of preventative measures. In this hands-on position, you will work collabora

Full Stack Software Engineer

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Full Stack Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a highly skilled Full Stack Software Engineer to join our team and contribute to the development of cutting-edge applications. In this role, you will work across the entire software development lifecycle, from designing user interfaces to implementing back-end functionality. You will collaborate with cross-functional teams t

Modernization Software Engineer - SWE0

Lockheed Martin

Maryland, USA

Full-time

Job ID: 693329BR Date posted: May. 23, 2025 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 nex

Modernization Software Engineer - SWE0

Lockheed Martin

Maryland, USA

Full-time

Job ID: 693329BR Date posted: May. 23, 2025 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 nex

Modernization Software Engineer - SWE3

Lockheed Martin

Maryland, USA

Full-time

Job ID: 693716BR Date posted: May. 23, 2025 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 nex

Modernization Software Engineer - SWE1

Lockheed Martin

Maryland, USA

Full-time

Job ID: 693673BR Date posted: May. 23, 2025 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 nex

Modernization Software Engineer - SWE3

Lockheed Martin

Maryland, USA

Full-time

Job ID: 693717BR Date posted: May. 23, 2025 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 nex

Modernization Software Engineer - SWE3

Lockheed Martin

Maryland, USA

Full-time

Job ID: 693716BR Date posted: May. 23, 2025 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 nex

Modernization Software Engineer - SWE1

Lockheed Martin

Maryland, USA

Full-time

Job ID: 693673BR Date posted: May. 23, 2025 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 nex