WitnessAI Logo

WitnessAI

Javascript Engineer

Reposted 24 Days Ago
Remote
Hiring Remotely in USA
115K-130K
Mid level
Remote
Hiring Remotely in USA
115K-130K
Mid level
As a Javascript Engineer, you will develop scalable code, debug interactions, and write documentation for AI web applications.
The summary above was generated by AI

Job Title: Javascript Engineer

Location: Hybrid

About Us:
At WitnessAI, we're at the intersection of innovation and security in AI. We're looking for a talented Javascript Engineer to help build and maintain support for AI web apps. If you’re passionate about development and enjoy working on high-performance, scalable systems, we’d love to have you on our team.

Responsibilities

  • Implement TypeScript/JavaScript solutions for interacting with web application data.

  • Create maintainable and scalable code that can adapt to website changes.

  • Debug DOM interactions.

  • Write comprehensive documentation.

  • Develop tests for existing code to catch bugs and ensure the software is secure and stable.

Requirements

  • Familiarity with NodeJS and JavaScript (TypeScript experience a plus).

  • Familiarity with version control systems such as Git.

  • Understanding of HTML and CSS Selectors.

  • Experience with Chrome DevTools.

  • Basic understanding of DOM internals.

  • Ability to learn and implement browser inspection techniques.

Nice to Have

  • Experience with modern web frameworks (React/Vue/Preact etc).

  • Reverse engineering experience.

  • Familiarity with browser automation tools such as Playwright, Puppeteer, Selenium, etc.

  • Basic knowledge of web scraping concepts.

Benefits:

  • Hybrid work environment

  • Competitive salary.

  • Health, dental, and vision insurance.

  • 401(k) plan.

  • Opportunities for professional development and growth.

  • Generous vacation policy.

Salary range: $115,000-$130,000

Top Skills

Chrome Devtools
CSS
Git
HTML
JavaScript
Node.js
Playwright
Preact
Puppeteer
React
Selenium
Typescript
Vue

Similar Jobs

3 Days Ago
In-Office or Remote
Berkshire, OH, USA
Mid level
Mid level
eCommerce • Fintech • Payments • Software • Financial Services
The role involves full-stack development using JavaScript technologies, designing and deploying web and mobile applications, and participating in code reviews and testing.
Top Skills: BootstrapCSSHTMLJavaScriptNext.JsReact NativeSQLTailwindTypescript
8 Days Ago
Remote
United States
Senior level
Senior level
Artificial Intelligence • Fintech • Software • Financial Services
As a Staff JavaScript Developer, you will lead the design and development of a Web SDK, focusing on performance optimization, security, and collaboration across teams to enhance fraud detection capabilities.
Top Skills: BabelGitJavaScriptRest ApisRollupTypescriptWebpack
8 Days Ago
Remote
2 Locations
Senior level
Senior level
Artificial Intelligence • Fintech • Software • Financial Services
The role involves leading the development of a high-performance Web SDK for fraud detection and risk management, implementing algorithms for device fingerprinting, and ensuring security and performance optimization.
Top Skills: BabelGitJavascript (Es6+)Rest ApisRollupTypescriptWebpack

What you need to know about the Colorado Tech Scene

With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.

Key Facts About Colorado Tech

  • Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3
  • Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech
  • Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook)
  • Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures
  • Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account