JavaScript Jobs in Seattle, WA

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QA Tester (Playwright, Automation, TypeScript/JavaScript)

Talent Glide

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Remote

Contract

Role- QA Tester (Playwright, Automation, TypeScript/JavaScript) Location - Minneapolis, MN (Remote) Duration -- 07-28-2025 to 01-30-2026 Job Description Must have -- Playwright, Automation, TypeScript/JavaScript)| 100% TELECOMMUTE. Responsibilities: Test Strategy & Execution: Develop comprehensive Test Plans covering Functional, Regression, Mobile, Database, and API testing across browsers and mobile devices/emulators/simulatorsTest Automation Development: Create, optimize and maintain scalab
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Posted 6 hours ago

Lead JavaScript Developer

Tradeweb Markets LLC

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Remote or Jersey City, New Jersey, USA

Full-time

Company Description Tradeweb Markets is a world leader in the evolution of electronic trading. A fintech company serving approximately 2,500 clients ? including the world?s largest banks, asset managers, hedge funds, insurance companies, wealth managers and retail clients -- in more than 65 countries across the globe. Since our first trade in 1998, we have helped transform and electronify the fixed income markets. Tradeweb is a culture built on innovation, creativity and collaboration. Through a
Posted 60+ days ago | Updated moments ago

W2 Position: Software Developer (VSCode, Python/JavaScript) - 100% Remote

Floga technologies

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Remote

Contract

Role: Software Developer (VSCode, Python/JavaScript & Document Automation) Location: 100% Remote, USA Duration: Long Term Key Responsibilities Web App Development: Write clean, maintainable backend code (Python Flask/Django/FastAPI) and dynamic front-end logic (JavaScript/Node.js, React/Angular/Vue optional).PDF & Document Generation: Build or enhance PDF workflows using ReportLab, WeasyPrint, PDFKit, FPDF, InDesign scripting, IBM SmartIQ, or WeazyPrint.Integration Tasks: Consume APIs, database
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Posted 1 day ago

Front-End Engineer

Up2date Technologies

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Redmond, Washington, USA

Contract

RE::Front-End Engineer Location::Onsite in Redmond/Bellevue, WA (Locals Only) Duration::3 Months (likely to be extended) Visa::USC&GC Job Description: Design and implement native apps for Communications and Services. Partner with stakeholder engineering teams for cross-team projects. Drive web and app development best practices within the team. Qualifications: 4+ years of non-internship professional front end, web using React. JS, JavaScript, HTML and CSS experience. 5+ years of front-end develo
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Posted 1 day ago

SOFTWARE ENGINEER- JAVASCRIPT

Recruitment.ai

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Remote

Full-time

Kindly review the Job requirement and let me know your interest. Software Engineer - Front End Platform Location Remote (as per EST ) Minimum Qualifications BS Degree in Computer Science, Computer Engineering or similar technical field of study, or equivalent practical experienceprofessional software development experience and testing usingJavascript, TypeScript, and a 3d engine such as BabylonJS, ThreeJS, Unity, or Unreal EngineExperience developing responsive web UI for mobile devices using C
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Posted 18 days ago | Updated 7 days ago

Software Engineer II - InsuraMatch (OpenAI, Javascript, Python, SQL)

Travelers

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Remote or Hartford, Connecticut, USA

Full-time

Who Are We? Taking care of our customers, our communities and each other. That's the Travelers Promise. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for over 160 years. Join us to discover a culture that is rooted in innovation and thrives on collaboration. Imagine loving what you do and where you do it. Compensation Overview The annual base salary range provided for this position is a nationwide market range and re
Posted 14 days ago | Updated 4 hours ago

JavaScript/Ruby On Rails Developer (FULL STACK - REMOTE)

TEKsystems c/o Allegis Group

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Remote or Cupertino, California, USA

Full-time

**THIS IS A CONTRACT ROLE** Description Build out new capabilities in an existing Ruby on Rails web application. Write consistent well thought out unit and system tests for all new features. Build out features that enhance existing CRUD operations of the existing evaluation data model and framework. Deliver consistent simple solutions that correspond to the existing css and JS conventions in the platform. Enhance the web UI with new user interfaces that make the collection of data intuitive for
Posted 13 days ago | Updated 4 hours ago

Senior DynamoDB /Javascript Engineer

QsrSoft Inc.

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Remote

Full-time

Senior DynamoDB /Javascript Engineer Remote, U.S. Only Please read carefully before applying. This is the only role we re hiring for. We re seeking a DynamoDB Rock Star someone who literally lives, eats, and breathes DynamoDB to join our remote team as a Senior Full Stack Engineer. If you ve mastered single-table design patterns, global secondary indexes, and know the ins and outs of high-performance, large-scale DynamoDB deployments, we want to hear from you. About the Role You ll thrive in our
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Posted 60+ days ago | Updated 21 days ago

UI Automation Engineer (JavaScript)

Xoriant Corporation

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Remote

Contract

Extensive expertise with test management, collaboration, and reporting tools such as Jira, Confluence, Spira, Grafana, or equivalent platformsSolid experience with both cloud-native and traditional test automation tools for web applications, including Mabl and TestCompleteStrong programming background in JavaScript and VBScriptComprehensive hands-on experience in developing test automation frameworks and automating test cases for unit, functional, performance, and API testingProven experience in
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Posted 60+ days ago | Updated 9 hours ago

Full-Stack Developer - Java - JavaScript - Vue

Trident Solutions

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Remote

Contract

We have a remote full-stack developer opportunity based on the east coast, working east coast hours. This requires U.S Citizenship! Must Have at least 4 years development experience with a related technical degree. If no technical degree, then must have 8 years experience. Required Technologies: JavaScript Framework (VueJs)Java Application DevelopmentContainer Application DevelopmentWeb deployment technologies.Nice To Have: WebSphere LibertyNodeJSExperience with developing micro services Day to
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Posted 4 days ago

Javascript Developer

Randstad - Torc

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Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. What you'll do: Design, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,
Posted 60+ days ago | Updated 7 days ago

Senior JavaScript Developer

Randstad - Torc

•

Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. ResponsibilitiesDesign, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,
Posted 60+ days ago | Updated 7 days ago

Front-End Developer (TypeScript/JavaScript)

OSI Engineering, Inc.

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Remote or Cupertino, California, USA

Contract

Job Title: Front-End Developer (TypeScript/JavaScript) Job Summary: We are seeking a skilled Front-End Developer with strong expertise in JavaScript and TypeScript to join our engineering team. You will be responsible for developing responsive, high-performance user interfaces that provide seamless experiences across devices and browsers. Responsibilities: Develop and maintain scalable front-end applications using JavaScript and TypeScriptOptimize application performance for speed and scalabil
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Posted 53 days ago | Updated 11 days ago

JavaScript Virtual Machine Compiler Engineer

Apple, Inc.

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Remote

Full-time

Do you have a passion for crafting fast software, or squeezing out every last bit of performance that hardware can afford? Are you energized by competition in industry to deliver the best product possible? Are you undaunted by challenges that others claim to be impossible only because they failed at it? Do you have an itch to mix your creativity with your engineering and logic skills to solve difficult problems and deliver innovative features? If so, this role may be for you. In the JavaScriptCo
Posted 60+ days ago | Updated 7 hours ago

Associate Software Engineer (SQL/Javascript/Python), Lab Information Systems

Quest Diagnostics Inc.

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Remote or Secaucus, New Jersey, USA

Full-time

Overview Pay Range: $100,00.00 - $120,000.00 / year Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications obtained. Market and organizational factors are also considered. Successful candidates may be eligible to receive annual performance bonus compensation. Benefits Information: We are proud to offer best-in-class benefits and programs to support employees and their families in living healthy, hap
Posted 60+ days ago | Updated 7 hours ago

UI Developer (Angular)

CoreStack

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Seattle, Washington, USA

Full-time, Third Party

Role Description We are looking for a passionate UI Developer to join our growing team at CoreStack. In this role, you will focus on developing and enhancing dynamic, responsive user interfaces that power our cloud governance platform. You ll collaborate closely with product managers, designers, and backend engineers to bring intuitive and high-performing UI solutions to life. Responsibilities Develop and maintain scalable UI components using modern front-end frameworks (Angular preferred)Transl
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Posted 7 days ago

Azure Full Stack

Avance Consulting

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Redmond, Washington, USA

Full-time

ob Description: Full Stack Developer Digital Workspace Solutions (DWS) Position Overview: We are seeking a highly skilled and experienced Full Stack Developer to join our Digital Workspace Solutions (DWS) team. The primary focus of this role is to develop a robust and user-centric UI for the Space Management Application while enhancing the overall user experience in the Digital Workspace. The ideal candidate will possess a strong understanding of front-end and back-end technologies, with a passi
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Posted 14 days ago

.Net Developer with React

VDart, Inc.

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Bellevue, Washington, USA

Third Party, Contract

Title: .Net Developer with React Location: Bellevue, WA (Hybrid) Duration: Long Term Mandatory Skills : HTML/HTML5,MS SQL , React, Typescript, JSON, Javascript / Jquery , Bootstrap / CSS / CSS3 , .NET Core Webapi (Using MVC Core), .Net Framework, Entity Framework (EF/EF Core), ASP.NET MVC, ASP.NET MVC Core Job Description: The candidate should have experience in both frontend and backend development with a strong understanding of modern web technologies frameworks and best practices Key Responsi
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Posted 9 hours ago

Backend Developer

Jobot

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Medina, Washington, USA

Contract

Our clien is looking for a Backend Engineer who is strong with Python - remote! This Jobot Consulting Job is hosted by: Nick Frei Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $70 - $85 per hour A bit about us: We are seeking a dynamic and passionate Consulting Backend Developer to join our fast-paced Tech Services team. This is an exciting opportunity for an experienced developer to work on cutting-edge technologies and contribute to tra
Posted 16 hours ago | Updated 4 hours ago

Full Stack Developer

Shimento, Inc.

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Seattle, Washington, USA

Contract, Third Party

Title: Full Stack Developer Location - Seattle Duration: 18 months (Potential for extension) Job Description: Job Description: Full Stack Developer with a minimum of 5 years of experience to join our team. The ideal candidate will have expertise in developing both front-end and back-end components of web-hosted audio tuning tools. Proficiency in React.js, Node.js and Python is required, along with the ability to implement user-friendly interfaces that allow easy manipulation of audio settings an
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Posted 35 days ago | Updated 13 hours ago