WebSocket jobs in DC

React/WebSocket Fullstack Architect/Engineer

Remote

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20d ago

Senior Full-Stack Developer (TypeScript/React) Remote - New York, NY We need someone who can own the development from end to end, so a Hands on Architect comfortable in a smaller environment(Start Up). About Company Company is building a modern automated marketplace for fixed income trading. Our mission is to evolve the standards of fixed income trading through technology and collaboration. Founded in response to the rise of algorithmic liquidity in fixed income, Company launched its marketplace

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Full-time

Depends on Experience

Software Engineer

Lanham, Maryland

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Today

Readiness Delivered. Kratos Defense & Security Solutions develops and fields transformative, affordable technology, platforms, and systems for United States National Security related customers, allies, and commercial enterprises. We proactively build trusted relationships with our peers, partners and customers, and take ownership for our actions-always striving to do the right thing. As part of the OpenSpace development team, the Software Engineer will be a valuable contributor to a web-based fu

Full-time

Full Stack Engineer

Arlington, Virginia

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Today

Job#: 3042158 Job Description: Full Stack Engineer Location: Arlington, Virginia (Onsite) Candidates must be able to obtain and/or maintain a Department of Defense --TS/SCI clearance as a condition and continuation of employment. Role Overview We are seeking a Full Stack Engineer for a front-end focused role that involves building modern user interfaces and component-based applications. The ideal candidate will be a product engineer with experience in real-time applications and an interest

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Full-time

$80 - $120 per hour

Senior Software Engineer - C# / WPF

Arlington, Virginia

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Today

CaseGuard is looking for a senior engineer to help drive the evolution of CaseGuard Studio, a feature-rich .NET desktop application for video, audio, image, and document redaction. You'll own significant areas of a large WPF codebase that spans real-time video playback, AI-powered detection, and media processing pipelines - and help shape how the team builds software. Responsibilities: Lead technical design with product owners and designers, turning ambiguous product goals into architecture, act

Full-time

Senior Software Engineer - Frontend

Arlington, Virginia

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Today

We are looking for a Senior Software Engineer to join our frontend team and play a critical role in building the platform that will define CaseGuard's next chapter. You will design and build a highly performant, sophisticated frontend capable of handling complex media redaction directly in the browser. This role involves more than just building forms; you will be responsible for the architecture that supports real-time collaboration, complex document rendering, and high-stakes video manipulatio

Full-time

USD 120,000.00 - 200,000.00 per year

Senior Full Stack Software Engineer

Arlington, Virginia

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Today

About Us Quartermaster is building the world's most comprehensive maritime intelligence platform. Our SmartMast system transforms commercial and civilian vessels into a persistent, distributed sensing network-combining HD video, AI, radar, RF sensing, and AIS to deliver real-time maritime domain awareness at global scale. With 600+ sensors deployed across 25+ countries and more than 400,000 vessels identified outside of AIS, we are setting a new standard for what ocean surveillance and safety

Full-time

USD 210,000.00 - 260,000.00 per year

Software Engineer (DevOps Focused)

Columbia, Maryland

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Today

Description Active Top Secret (TS/SCI) clearance with polygraph is required. Visionist has an exciting new, fully FUNDED opportunity for a Software Engineer (DevOps Focused). You will be joining a critical mission supporting our customers big data processing platforms. The analytics developed and deployed in these ecosystems are critical to ensuring that the data flowing through the agency can be leveraged by analysts to perform mission critical reporting and decision making. You will be workin

Full-time

USD 135,000.00 - 206,000.00 per year

Senior Software Engineer - Backend

Arlington, Virginia

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Today

We are looking for a Senior Software Engineer to join our backend team and play a critical role in building the platform that will define CaseGuard's next chapter. You will design and build the REST API microservices and cloud infrastructure that power our application, real-time collaboration features, and large-scale processing workers. This role is expected to operate with a high degree of ownership. You will take responsibility for backend domains or major features and drive them end-to-end

Full-time

USD 120,000.00 - 200,000.00 per year

Senior Full-Stack AI Application Engineer - iOS & VisionOS Emphasis

Lanham, Maryland

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Today

AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a

Full-time

Visualization & Simulation Software Engineer (Geospatial/RF Systems)

Chantilly, Virginia

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Today

FTS International, LLC (FTS) is committed to providing the Federal Government with quality consultants and support. To ensure mission success we focus on putting our customers first while minimizing corporate bureaucracy on our staff. We provide Subject Matter Experts (SME) free of Organizational Conflicts of Interest (OCI) focused on independent analysis and mission support services within the disciplines of Engineering, Counter Terrorism Operations, Management, Information Technology, Signals

Full-time

USD 90,000.00 - 120,000.00 per year

Software Engineer

Maryland

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Today

Overview VTG is looking for an experienced and adaptive Software Engineer to join our team. This position will support a mission-focused customer during the full life-cycle development of a Radio Frequency Processing System. Eligible candidates may receive a sign-on bonus of up to $10,000, making this an exceptional opportunity to join a mission-critical team supporting national security initiatives. #Triaplex #VTG What will you do? Analyze user requirements to derive software design and pe

Full-time

USD 140,000.00 - 160,000.00 per year

Full Stack Software Engineer (Full Stack Developer All levels)

Chantilly, Virginia

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Today

Redwire is an innovative space and defense technology company driving advanced capabilities across the aerospace sector. We are looking for a leader who can contribute to concept of operations development, mission solution design, and strategic analysis for spacecraft programs supporting National Security Space. This includes work spanning space domain awareness, space resiliency, mission autonomy, structures, sensors, and next-generation space systems. The Full Stack Software Engineer is respo

Full-time

USD 102,000.00 - 161,000.00 per year

Signals Software Engineer

Columbia, Maryland

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Today

Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade of experience in computer network operations and staffed with talent who have built, overseen, and enhanced capabilities throughout the entire USG arsenal. Our team of hackers and engineers have experience spanning centuries of research, development, and operations missions - across desktop, mobile, IoT, and embedded platforms. Kudu Dynamics, a Leidos company is uniquely qualified to anticipate tomorrow's threats and buil

Full-time

USD 87,100.00 - 157,450.00 per year

Software Engineer 1 - (Python, C++, RF)

Annapolis, Maryland

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Today

Software Engineer 1 - (Python, C++, RF) Clearance: TS/SCI - Polygraph required Position ID: 11-8840-SWE1 Location: Annapolis Junction, Maryland Description: The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a

Full-time

USD 147,000.00 - 180,000.00 per year

Senior Staff Software Engineer

Tysons, Virginia

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Today

Senior Staff Software Engineer, Protocols Team We are seeking a Senior Staff Software Engineer to lead the architecture and delivery of IoT and smart automation protocols with a focus on Z-Wave, Matter, PowerG, and ZigBee. You will own initiatives from design through deployment, mentor engineers, and clearly communicate an architectural vision that aligns devices, gateways, mobile apps, and cloud services. You will collaborate across Product, Firmware, Panels, and Operations to deliver secure, r

Full-time

USD 167,500.00 - 199,500.00 per year

Senior Signals Software Engineer

Annapolis, Maryland

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Today

Full-time

USD 131,300.00 - 237,350.00 per year

ME00668-Software Engineer 3

Annapolis, Maryland

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Today

Momentum Engineering, Inc. fosters an employee-centric culture. Our strength lies in our people. With a high percentage of employees holding advanced degrees in engineering, computer science, and related disciplines, we bring deep technical expertise to every mission. Our team includes professionals with security clearances and full-scope polygraphs, ensuring trusted, secure support for the most sensitive national security initiatives. Additionally, our workforce is equipped with industry-leadin

Full-time

USD 180,000.00 - 240,000.00 per year

Senior Full-Stack Engineer

Remote

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Today

We are embarking on an exciting initiative to redefine how our enterprise visualizes, understands, and discovers its internal platform capabilities. We are evolving our existing platform from a static, generated catalog into a live, AI-enriched capability map. This dynamic ecosystem will power interactive chatbot experiences, provide strategic roadmap insights, perform automated gap analyses, and generate graph-oriented knowledge outputs. As a Software Engineer on this team, you will work at the

Full-time

Front End Developer

Maryland

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Today

MANTECH seeks a motivated, career and customer-oriented Front End Developer to join our team in Annapolis Junction, MD. Responsibilities include but are not limited to: Design and develop web-based user interfaces for operational tools and capability management systemsCreate visualization dashboards that present complex technical data in operator-friendly formatsConduct user research with operators to understand workflow pain points and interface requirementsBuild responsive, accessible web appl

Full-time

Remote Frontend Engineer / React / WebGL / 3D

Remote

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Today

A growing sports technology company is seeking a full-time WebGL Front End Developer to help build next-generation race tracking and analytics products. This position focuses on creating highly interactive visualization experiences using TypeScript, modern frontend frameworks, and advanced browser rendering technologies. Engineers will work on applications that process real-time telemetry and geospatial data, transforming complex information into intuitive user experiences for athletes and coach

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Contract

$60 - $70

WebSocket jobs in Washington, DC, USA