React.js Jobs in District of Columbia

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341 - 360 of 784 Jobs

Lead Frontend Engineer (Web)

eBay Inc.

•

Remote or Portland, Oregon, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur
Posted 13 days ago | Updated 7 hours ago

Sr. Java Developer (REMOTE)

RedRiver Systems L.L.C.

•

Remote

Contract

Join this growing team developing software supporting new software development and integrations of acquired organization(s). This is an opportunity to grow within the organization and provide mentorship and development of other team members while creating elegant scalable solutions. You will develop one or more large complex web applications and create enhancements to existing applications to meet business requirements. Work with management and collaborate across teams to develop application req
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Posted 7 hours ago | Updated 7 hours ago

Full Stack Software Engineer

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

Full Stack Software Engineer LOCATION Chantilly, VA 20151 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 team
Posted 60+ days ago | Updated 7 hours ago

Sr. Software Engineer- UI (Hybrid MSP)

Cargill

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Remote or Wayzata, Minnesota, USA

Full-time

Cargill's size and scale allows us to make a positive impact in the world. Our purpose is to nourish the world in a safe, responsible and sustainable way. We are a family company providing food, ingredients, agricultural solutions and industrial products that are vital for living. We connect farmers with markets so they can prosper. We connect customers with ingredients so they can make meals people love. And we connect families with daily essentials - from eggs to edible oils, salt to skincare,
Posted 4 days ago | Updated 7 hours ago

Full Stack Developer Senior

Apex Systems

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Tysons, Virginia, USA

Full-time

Job#: 2065139 Job Description: Job Description: o Design, develop, and maintain full-stack applications to support the clients business operations. o Collaborate with product managers, designers, and other stakeholders to understand user requirements and translate them into technical specifications. o Ensure the performance, quality, and responsiveness of applications. o Enhance the client's risk management technology by configuring and integrating various systems. o Participate in code revi
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Posted 60+ days ago | Updated 7 hours ago

Front End GUI Developer / Software Engineer

Cymertek Corporation

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Chantilly, Virginia, USA

Full-time

Front End GUI Developer / Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a creative and detail-oriented Front End GUI Developer / Software Engineer to join our innovative team. In this role, you will design and develop intuitive, responsive user interfaces that deliver seamless user experiences. Collaborating closely with designers, backend developers, and stakeholders, you will tra
Posted 60+ days ago | Updated 7 hours ago

Software Engineering Senior Advisors- Hybrid

Cigna

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Remote or Miramar, Florida, USA

Full-time

The job profile for this position is Software Engineering Senior Advisor, which is a Band 4 Contributor Career Track Role with MD Live, Inc. Responsibilities- Develop software project solutions on the server or client side.Write new features with high quality tests.Review legacy code and refactor it as necessary.Conduct regular code reviews to improve code quality, design, and tests.Complete application development by coordinating requirements, schedules, and activities.Troubleshoot development
Posted 14 days ago | Updated 7 hours ago

Software Engineer

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and motivated Software Engineer to join our team and contribute to the development of cutting-edge software solutions. In this role, you will be responsible for designing, coding, testing, and deploying applications that meet high standards of performance, security, and scalability. The ideal candidate is a problem-solver with a
Posted 60+ days ago | Updated 7 hours ago

UI Developer

Cymertek Corporation

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Annapolis, Maryland, USA

Full-time

UI Developer LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a creative and detail-oriented **UI Developer** to join our team and contribute to the development of intuitive, visually appealing user interfaces for our web applications. In this role, you will collaborate with designers and developers to bring user-centric designs to life, ensuring a seamless and responsive experience across
Posted 60+ days ago | Updated 7 hours ago

Staff Software Engineer - UI and Interactions (Full-Stack)

Discord Inc.

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Remote

Full-time

Discord is used by over 200 million people every month for many different reasons, but there's one thing that nearly everyone does on our platform: play video games. Over 90% of our users play games, spending a combined 1.5 billion hours playing thousands of unique titles on Discord each month. Discord plays a uniquely important role in the future of gaming. We are focused on making it easier and more fun for people to talk and hang out before, during, and after playing games. Join our team as
Posted 5 days ago | Updated 7 hours ago

Full Stack Developer

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

Full Stack Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY Are you a versatile and innovative developer with a passion for both front-end and back-end development? We are seeking a skilled Full Stack Developer to join our team and contribute to the creation of dynamic, user-centric web applications. In this role, you'll work on a variety of exciting projects, utilizing your expertise to design and implemen
Posted 60+ days ago | Updated 7 hours ago

Associate Software Engineer, Scrum Master

Boeing Company

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Fairfax, Virginia, USA

Full-time

Associate Software Engineer, Scrum Master Company: Argon ST The Boeing Company is seeking a highly skilled and motivated Associate Software Engineer, Scrum Master to join our team in Fairfax, VA. This dynamic team is focused on developing cutting-edge software solutions for SIGINT (Signals Intelligence) products for the Department of Defense, the Intelligence Community, and allied customers. Our products intercept Radio Frequency (RF) signals, apply signal processing algorithms, distribute the
Posted 60+ days ago | Updated 7 hours ago

Lead AI Data Scientist

Arch Systems, LLC

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Remote

Full-time

Role: Lead AI Data Scientist Company: Arch Systems Client: Federal Engineering Agentic Intelligence Across Federal Missions Location: Remote / Hybrid Type: Full-time | Contract | W2 or 1099 Level: Senior / Principal Note: Prior experience working with a U.S. Federal agency is mandatory. Candidates without this experience will not be considered. About the Role Arch Systems is seeking a Lead AI Data Scientist to serve as both a technical architect and delivery leader across its growing po
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Posted 28 days ago | Updated 28 days ago

Frontend Software Engineer - SE3

eBay Inc.

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Remote or Portland, Oregon, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur
Posted 13 days ago | Updated 7 hours ago

Java / Spring Developer

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

Java / Spring Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a talented and driven Java / Spring Developer to join our team and contribute to the development of robust and scalable enterprise applications. In this role, you will design, implement, and maintain Java-based solutions using the Spring framework, ensuring high performance, security, and reliability. You will collaborate with cro
Posted 60+ days ago | Updated 7 hours ago

Software Engineer, Principal

Parsons Services Company

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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: At Parsons, we're building the next generation of secure, mission-critical systems t
Posted 60+ days ago | Updated 7 hours ago

Senior Signals Software Engineer - 25k Sign on Bonus

Leidos

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Columbia, Maryland, USA

Full-time

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 vesting, Fle
Posted 60+ days ago | Updated 7 hours ago

Senior Software Engineer // Remote // Node.js // 7+ years

Motion Recruitment Partners, LLC

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Remote or New York, New York, USA

Full-time

Senior Software Engineer (Remote - Canada) ? Compensation: $170k-$210k USD / $160k-$180k CAD + Equity ? Location: Remote (Canada only) A mission-driven team is seeking a Senior Software Engineer to help scale the core infrastructure of a fast-growing visual collaboration platform used by scientists and researchers. This is a full-time role focused on backend-heavy full-stack development, reliability, and scalability. You'll work cross-functionally with product, design, and data to ship high-im
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Posted 56 days ago | Updated 3 hours ago

Full Stack Developer (C# / .Net / JS / SQL / AWS)

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

Full Stack Developer (C# / .Net / JS / SQL / AWS) LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a skilled and versatile Full Stack Developer to join our team, specializing in C#, .NET, JavaScript, SQL, and AWS. In this role, you will be responsible for building and maintaining robust, scalable applications across both the front-end and back-end. You will collaborate closely with cross-functional
Posted 60+ days ago | Updated 7 hours ago

SAP FPSL (Financial Products Sub-Ledger) consulting positions (Functional/Technical)

Innovative Consulting Solutions, LLC

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Remote

Contract

Position: SAP FPSL (Financial Products Sub-Ledger) consulting positions (Functional/Technical) Location: Remote Duration: Long Term This position is required to work on a critical Upgrade project. Experience with SAP FPSL configuration, customization, and standardization: Gather business requirements, assist in design and development efforts. Advanced understanding of SAP Financial modules: FPSL or Bank Analyzer, Group Reporting, BPC, etc. Must have developer experience in SAP BW (experience in
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Posted 23 days ago