WebSocket jobs in Chantilly, VA

React/WebSocket Fullstack Architect/Engineer

Remote

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21d 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

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

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

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

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

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 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 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

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

Complex Ui React Developer (USC)

Remote

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5d ago

Position: Complex UI React Developer Location: Remote Job Overview We are seeking an experienced React Developer with strong expertise in building complex, scalable, and highly interactive user interfaces. The ideal candidate should have hands-on experience with React, Redux, WebSockets, and AI-powered applications, along with a strong portfolio demonstrating modern UI development. Key Responsibilities Design and develop complex, responsive, and reusable UI components using React.js.Build scalab

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Contract, Third Party

$60 - $70

Senior Network Engineer/Finance/NYC Local Remote

Remote or Weehawken Township, New Jersey

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Today

Our client is a fast-growing data company specializing in low-latency APIs that deliver high-speed options and stocks data to financial markets. Their platform handles billions of database requests daily, tackling some of the most complex tick-level options data challenges in the industry. They are looking for a hands-on, senior Network Engineer to join their team on a full-time basis. This is a senior individual contributor role with direct impact: you'll own the design, deployment, and day-to-

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Full-time

$150000 - $180000

Software Engineer

Remote or Aurora, Colorado

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Today

Job Title Software Engineer Overview EverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our country's most critical missions. We are a full-service government solutions company. Harnessing the most advanced technology and solutions, we strengthen defenses and control environments to preserve continuity and ensure mission success. EverWatch employees are focused on tackling the most difficult challenges of the US Government. We offer

Full-time

USD 72.12 - 84.14 per hour

Sr. Software Engineer I, Evaluation Services

Remote or Chicago, Illinois

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Today

Disclaimer: Please be advised that the most accurate and up-to-date information about our open roles-including job descriptions, compensation, and benefits-can only be guaranteed on our official job board. For the latest listings and details, please visit: ;br> JOIN US ON OUR MISSION TO BECOME THE #1 RETAIL TRADING PLATFORM IN THE WORLD Welcome to the dynamic world of NinjaTrader! As an industry-leading trading platform and futures broker, we're empowering traders to take control of their finan

Full-time

USD 125,000.00 - 175,000.00 per year

Sr. Mobile Engineer I

Remote or Chicago, Illinois

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Today

Full-time

USD 125,000.00 - 175,000.00 per year

Senior Software Engineer iOS

Remote or Texas

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Today

We're building a world of health around every individual - shaping a more connected, convenient and compassionate health experience. At CVS Health , you'll be surrounded by passionate colleagues who care deeply, innovate with purpose, hold ourselves accountable and prioritize safety and quality in everything we do. Join us and be part of something bigger - helping to simplify health care one person, one family and one community at a time. Position Summary We are seeking a Senior Software Engin

Full-time

USD 92,700.00 - 185,400.00 per year

Sr. Machine Learning Engineer

Remote or Santa Barbara, California

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Today

Description Hi, We're AppFolio We're innovators, changemakers, and collaborators. We're more than just a software company - we're building the AI-native platform where the real estate industry comes to do business. We're transforming Property Management; how property managers operate, how residents live, and how intelligence flows across an entire industry. Realm-X is AppFolio's AI-native platform powering this transformation. It enables a new generation of intelligent capabilities across our

Full-time

USD 167,200.00 - 209,000.00 per year

Software Engineer - Market Data

Remote

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Today

Who We Are: Alpaca is a US-headquartered, global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, 24/5 trading, and more. Amongst our subsidiaries, Alpaca is a licensed financial services company, serving hundreds of financial institutions across 40 countries with our institutional-grade APIs. This includes broker-dealers, investment advisors, wealth managers, hedge funds, and crypto exchanges, totalling over 10 million brokerage accounts. Our gl

Full-time

Backend AI Engineer - Remote

Remote or San Diego, California

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Today

Genesis10 is currently seeking a Backend AI Engineer - Remote for a contract position with a Global Medical Technology Company located in San Diego, CA. This is a 12+ month contract opportunity. This position is 100% remote. Compensation: $43.00 - $53.00 per hour, W2, based on qualifications Position Overview: This role focuses on developing and implementing generative AI solutions, including building robust RAG pipelines, fine-tuning LLMs, and creating high-performance APIs. The ideal candidat

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Full-time

Compensation information provided in the description

WebSocket jobs in Chantilly, VA, USA