JavaScript jobs in Seattle, WA

Remote_W2 Contract_Sr. JavaScript Front-End Developer/ ReactJS (19), Three.js_Hoboken, NJ(Remote)

Remote

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Today

Job Title: Sr. JavaScript Front-End Developer/ ReactJS (19), Three.js Location: Hoboken, NJ (remote ok, but local profiles are highly preferred as candidate need to go to office on need basis) Duration: 6+ Month Contract Position Type: W2 contract only Job Description: Front-end engineering (the foundation - non-negotiable): Deep, senior-level React (React 19 / modern React): the render model, hooks discipline, memorization, effect timing, and a real feel for where re-renders and s

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Contract, Third Party

$45 - $50

Test Automation Architect (JavaScript / Python)

Remote

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Today

Join our Testing Competency Center as a Test Automation Architect and drive modern automation strategies with a strong focus on JavaScript or Python ecosystems . You will play a key role in shaping scalable automation solutions and integrating AI into the SDLC. Responsibilities Design and implement end-to-end test automation architectures using JavaScript and Python Define automation strategies, including framework selection, tooling, and infrastructure setup Build and scale automation from scra

Full-time

Actimize IFM (Integrated Fraud Management) Developer / JavaScript Developer

Remote

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4d ago

Job Title - Actimize IFM (Integrated Fraud Management) Developer / JavaScript Developer Job Location - San Antonio, Texas,78249 Location: Remote Duration: 11 months Job Summary We are seeking an experienced Actimize IFM Developer with strong JavaScript development skills to design, develop, enhance, and support fraud detection and anti-financial crime solutions. The ideal candidate will have hands-on experience in NICE Actimize IFM platform, rule development, alert generation, case management,

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Contract

42 - 45

Remote Senior JavaScript/React Engineer

Remote

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Today

AboutUs: BasedinSanFrancisco,California,TuringistheworldsleadingresearchacceleratorforfrontierAIlabsandatrustedpartnerforglobalenterprisesdeployingadvancedAIsystems.Turingsupportscustomersintwoways:first,byacceleratingfrontierresearchwithhigh-qualitydata,advancedtrainingpipelines,plustopAIresearcherswhospecializeinsoftwareengineering,logicalreasoning,STEM,multilinguality,multimodality,andagents;andsecond,byapplyingthatexpertisetohelpenterprisestransformAIfromproofofconceptintoproprietaryintellig

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Contract

200 - 300

Enterprise Application Engineer/ Fullstack JavaScript Engineer (Nashville,TN Residents Only - Require or USC)

Remote or Nashville, Tennessee

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Yesterday

Position SummaryThe Enterprise Application Engineer will design, build, test, release, and support enterprise applications and automation solutions. The role focuses on hands-on UI and application development, API integration, Git-based software development, code review, troubleshooting, and continuous improvement. Initial assignments will include solutions connected to the ServiceNow AI BPO program, but prior ServiceNow experience is not required. The successful candidate will apply broadly tra

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Full-time, Third Party

70 - 80

Senior JavaScript Test Automation Engineer

Remote

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Today

We are looking for a Senior Test Automation Engineer with strong experience in JavaScript- or TypeScript-based automation frameworks. The ideal candidate should have hands-on experience building and maintaining automated tests for modern web applications and APIs, with a strong focus on quality, reliability, and maintainability. This role requires solid automation experience, strong testing fundamentals, and the ability to collaborate effectively with development, product, and QA teams. Responsi

Full-time

Senior Performance Engineer- JMeter, JavaScript - Remote

Remote

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Today

Maximus is currently seeking a Senior Performance Engineer.The Senior Performance Engineer leads performance engineering activities across large-scale healthcare technology programs. This role defines performance test strategies, develops and maintains performance testing frameworks, creates realistic workload models, and evaluates application scalability, reliability, stability, and capacity. The engineer partners with Development, Architecture, DevOps, Cloud Engineering, Database Administratio

Full-time

Depends on Experience

*Senior Full Stack Engineer (Backend focused - Nodejs, Javascript, AWS exp.) - W2 role

Remote

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3d ago

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details Posi

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Contract, Third Party

Depends on Experience

Senior Staff Software Engineer, JavaScript Runtime & Compilers

Remote or San Diego, California

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Today

Company Description It all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build a company that could do that for everyone-freeing people from busywork so they could focus on meaningful work. Today, ServiceNow is the AI control tower for business reinvention. Our ServiceNow AI platform brings together any AI, any data, and any workflow- helping 85% of the Fortune 500 work smarter, faster,

Full-time

USD 171,900.00 - 300,800.00 per year

Technical Architect

Hybrid in Bellevue, Washington

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2d ago

JD: The Group Technical Architect is responsible for overseeing the technical architecture, design, and development of spring boot, DevOps Solutions, and full stack java solutions. This role involves leading a team of developers to ensure the successful implementation of architecture best practices and delivering high-quality technical solutions. Key Responsibilities Develop and maintain technical architecture blueprints for spring boot, devops solutions, and full stack java projects. Provide te

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Contract, Third Party

Depends on Experience

Junior Front-End Engineer (React UI Developer)

Hybrid in Seattle, Washington

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17d ago

< data-path-to-node="2">Job Title: Junior Front-End Engineer (React UI Developer)Location: Seattle, WA (98011) Industry: Retail Point of Sale (POS) Technology Job Type: Contract About the RoleWe are looking for a motivated and driven Junior Front-End Engineer (React UI Developer) to join our dynamic engineering team in Seattle, WA. In this role, you will help build and scale intuitive, high-performance user interfaces for next-generation retail point-of-sale (POS) systems that power seamless in-

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Contract

Depends on Experience

Fullstack.net Lead

Redmond, Washington

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30+d ago

Job Description Full Stack LeadLocation: Redmond, WA Work Arrangement: Hybrid Job Summary We are seeking an experienced Full Stack Lead with strong hands-on expertise in C#, .NET Core, React, SQL Server, and Microsoft Azure. The ideal candidate will have extensive experience designing and developing scalable web applications, backend services, RESTful APIs, and modern user interfaces. This role requires strong knowledge of object-oriented design, unit testing, Azure services, and DevOps practi

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Contract

Depends on Experience

Principal Engineering Manager

Redmond, Washington

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Today

Overview As AI reshapes how software is built and defended, Microsoft Security is standing up a new Engineering Excellence organization that will define what world-class security engineering looks like in the agentic AI era. Engineering teams that lead in the AI era are organized around outcomes, built on shared platforms any team can draw from, and augmented by agents that are part of the daily workflow. Governance runs at the speed of development. This organization will build that foundation

Full-time

USD 142,800.00 - 274,800.00 per year

Engineering Manager - AI Experiences, Copilot Engineering

Redmond, Washington

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Today

Overview As Microsoft continues to push the boundaries of AI, we are on the lookout for passionate individuals to work with us on the most interesting and challenging AI questions of our time. Our vision is bold and broad - to build systems that have true artificial intelligence across agents, applications, services, and infrastructure. It's also inclusive: we aim to make AI accessible to all - consumers, businesses, developers - so that everyone can realize its benefits. About the Team Build t

Full-time

USD 165,600.00 - 296,400.00 per year

Product Security Engineer

Remote or Seattle, Washington

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Today

Superhuman offers a dynamic hybrid model, and candidates in this role can be based remotely. You may be expected to travel to meet in person during your team's scheduled collaboration weeks. Managers will determine in-person time according to business needs. About Superhuman Grammarly is now part of Superhuman, the AI productivity platform on a mission to unlock the superhuman potential in everyone. The Superhuman suite of apps and agents brings AI wherever people work, integrating with over 1

Full-time

USD 227,000.00 - 310,000.00 per year

Principal Software Engineer Lead, Gameplay Systems - Minecraft

Redmond, Washington

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Today

Overview At Mojang Studios, the creators of Minecraft, we are on a mission to build a better world through the power of play. Why play? Well, play is at the heart of everything we do. It's the blocky backbone of our games, the core of our development philosophy, and even the origin of our name. From the relentless experimentation of our endlessly inspiring community to the classrooms where Minecraft has become an essential teaching tool, play is the bedrock of our existence. We enable millions

Full-time

USD 142,800.00 - 274,800.00 per year

Software Engineer, Full Stack

Seattle, Washington

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Today

We believe that the way people interact with their finances will drastically improve in the next few years. We're dedicated to empowering this transformation by building the tools and experiences that thousands of developers use to create their own products. Plaid powers the tools millions of people rely on to live a healthier financial life. We work with thousands of companies like Venmo, SoFi, several of the Fortune 500, and many of the largest banks to make it easy for people to connect their

Full-time

USD 176,400.00 - 243,600.00 per year

Engineer 1 Front End React

Seattle, Washington

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Today

Location: Seattle, WA Salary: $50.00 USD Hourly - $55.00 USD Hourly Description: Position: Engineer 1 - Front End React Location: Seattle, WA (Hybrid - 4 Days Onsite) Duration: 6+ Month Contract (Potential Extension or Conversion) **W2 Contract**No C2C** Required Qualifications 2-3 years of professional front-end development experience 2+ years of hands-on experience developing applications with React.js Strong proficiency in JavaScript (ES6+), HTML5, and CSS3 Experience with modern React

Contract

USD 50.00 - 55.00 per hour

Senior Software Engineer - Azure Bot Service Team

Redmond, Washington

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Today

Overview Microsoft is a company where passionate innovators come to collaborate, envision what can be and take their careers to levels they cannot achieve anywhere else. This is a world of more possibilities, more innovation, more openness in a cloud-enabled world. The Managed Apps & Agents group is a rapidly growing organization that is responsible for Azure Bot Service and more. Microsoft is considered one of the leaders in Software as a Service in the world of business applications and this

Full-time

USD 119,800.00 - 234,700.00 per year

Technical Support Engineer

Remote or Seattle, Washington

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Today

Full-time

USD 73,872.00 - 110,000.00 per year

JavaScript jobs in Seattle, WA, USA