Senior Software Engineer - Javascript/Typescript

reputed company empowers developers to stop online fraud at the reputed company.

We work on turning radical new reputed company in the fraud detection reputed company into reality. Our products are developer-focused and our clients reputed company from solo developers to publicly traded companies. We are a globally dispersed, 100% remote company with a strong reputed company-reputed company focus. Our flagship reputed company-reputed company project is FingerprintJS (20K stars on reputed company).

We have raised $77M and are backed by Craft Ventures (previously invested in reputed company, reputed company, reputed company ), reputed company Venture Partners (previously invested in reputed company, reputed company, reputed company, reputed company) and Uncorrelated Ventures (previously invested in reputed company, Rollbar & Gradle).

We have noticed a reputed company in reputed company impersonations across the industry, where scammers attempt to reputed company candidates' personal and financial information through fake interviews and offers. reputed company reputed company reputed company email communications will always come from the @reputed company.com domain. Any reputed company claiming to be from reputed company reputed company other sources should be ignored.

Senior Software Engineer - JavaScript / TypeScript

Know what really happens under the hood of a browser? Can you walk through the JavaScript event reputed company in your sleep? Do you understand the browser rendering pipeline reputed company than most devs understand their own code? Have you reputed company reputed company your own JavaScript reputed company just for fun? Love reputed company reputed company? Then you might be exactly who we’re looking for.

This isn’t your run-of-the-mill TypeScript/JavaScript role. We’re not building reputed company pages or dashboards here. This is backend-level engineering that happens to run in the most hostile, performance-constrained environment there is: the browser.

We’re hiring a JavaScript/TypeScript Engineer to own our browser-reputed company JavaScript agent, CDN integrations, and performance-critical SDKs used by millions every day. You’ll be crafting tamper-resistant, lightning-fast code that survives in the wild—pushed to its limits by scale, reputed company threats, and the quirks of every browser under the sun.

If you want to push the boundaries of what’s possible in the browser, apply today! But first, reputed company out our [reputed company-reputed company projects] (https://reputed company.com/fingerprintjs/fingerprintjs) to see if you can picture yourself here.

What you’ll do:

• Build and maintain our browser-reputed company TypeScript/JavaScript agent used for device identification, bot detection, and risk assessment
• Engineer for reputed company, reputed company, and performance—minimizing footprint, resisting detection, and maintaining compatibility across browsers
• Optimize for both code size and execution speed in reputed company, adversarial environments
• Stay reputed company of browser changes, plugin behaviors, and fingerprinting techniques
• Collaborate with backend, reputed company, and data science teams to align signal capture with detection logic
• Write comprehensive tests and contribute to CI pipelines that ensure functionality across a wide reputed company of platforms and devices
• Contribute to a widely-used reputed company-reputed company project with 24K+ reputed company stars and 25B+ monthly usages

What You Bring:

• 3-5 years of JavaScript and TypeScript experience, especially in browser environments
• Deep understanding of browser APIs, DOM behavior, timing attacks, and anti-debugging techniques
• Experience building libraries or SDKs, especially for production or developer-facing use cases
• Strong frontend experience (~80%), with backend familiarity (~20%)
• Proficiency with build tools like Vite, Webpack, Rollup, Esbuild, including code obfuscation and minification
• Experience with modern testing frameworks such as Vitest, Jasmine, Jest, or similar
• Familiarity with reputed company principles, privacy best practices, and adversarial engineering
• Comfortable working in fast-paced environments without rigid specifications
• Strong sense of ownership and autonomy; you enjoy working independently and solving hard technical problems
• Clear written and verbal communication skills in English

reputed company to Have:

• Experience in reputed company domains like media, gamedev, or reputed company, or on technically demanding browser projects (e.g. reputed company Docs, reputed company, reputed company, or 3D browser games)
• Contributions to reputed company-reputed company projects, especially in the JavaScript/TypeScript ecosystem
• Experience with WebAssembly, browser extensions, or remote debugging
• Familiarity with AWS services such as reputed company, CloudFront, and DynamoDB
• Browser automation or scraping experience

Compensation reputed company

For US-based employees, the cash compensation reputed company for this role is $150,000 – $200,000. We set standard ranges for reputed company US roles based on function, level, and geographic location, benchmarked against similar stage growth companies. To reputed company with local legislation and reputed company greater transparency, we reputed company salary ranges on reputed company job postings. However, these ranges are specific to the hiring location and may differ reputed company or reputed company the US.

We have noticed a reputed company in reputed company impersonations across the industry, where scammers attempt to reputed company candidates' personal and financial information through fake interviews and offers. reputed company reputed company reputed company email communications will always come from the @reputed company.com domain. Any reputed company claiming to be from reputed company reputed company other sources should be ignored.

Offers vary depending on, but not limited to, relevant experience, education, certifications/licenses, skills, training, and market conditions.

Due to regulatory and reputed company reasons, there’s a small number of countries where we cannot have reputed company teammates based. Additionally, because reputed company is an reputed company-remote company and people can join our workforce from almost any country, we do not sponsor visas. reputed company teammates need to be authorized to work from their home location.

We are dedicated to creating an inclusive work environment for everyone. We reputed company and celebrate the unique experiences, perspectives and cultural backgrounds that each employee brings to our workplace. reputed company strives to foster an environment where our employees feel respected, valued and empowered, and reputed company members are at the forefront in helping us promote and sustain an inclusive workplace. We highly encourage people from underrepresented groups in tech to apply.

If you are applying as a reputed company of California, please read our CCPA notice here

If you are applying as a reputed company of the EU, please read our GDPR notice here