Senior Software Engineer

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August 8

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ZenRows

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API • eCommerce • Data for AI

ZenRows is a web scraping tool designed to facilitate data extraction from websites while overcoming various anti-bot measures. It provides a universal scraper API, residential proxies, and a scraping browser that allows users to access structured data from protected sites without getting blocked. Ideal for developers and businesses, ZenRows supports applications such as e-commerce price monitoring, lead generation, sentiment analysis, and market research, ensuring reliable and efficient data collection.

2 - 10 employees

Founded 2021

🔌 API

🛍️ eCommerce

💰 Pre Seed Round on 2022-06

📋 Description

• We’re looking for a Senior Software Engineer to join our Stealth & Reverse Engineering team—the elite force responsible for making our headless browsers and traffic completely undetectable by modern anti-bot systems. • You will own and evolve our custom fork of Chromium, continuously identifying and patching all behavioral and fingerprinting vectors that reveal automation. • You’ll also build internal tools that detect, analyze, and resolve JavaScript-based bot challenges (like fingerprinting, integrity checks, proof-of-work, and obfuscation traps), and help automate evasions across our infrastructure. • This is a deeply technical, adversarial, and high-leverage role at the heart of what makes our scraping infrastructure world-class. • In this role, you’ll work closely with our CEO, Aurken, and our Director of Engineering. And as a business with two technical founders who have strong engineering backgrounds—you must be comfortable engaging in technical discussions while balancing business needs.

🎯 Requirements

• 5+ years of software engineering with a focus on browsers, reverse engineering, or automation in adversarial environments. • Fluency in C++ and JavaScript (Node or browser), with ability to write clean, testable low-level code. • Deep understanding of Chromium internals: Blink, V8, DevTools Protocol, browser architecture, etc. • Proven experience patching Chromium or building hardened browser automation setups (e.g., stealth plugins, puppeteer-core forks). • Advanced knowledge of JavaScript fingerprinting, detection vectors, and browser inconsistencies. • Familiarity with anti-bot vendors like PerimeterX, Datadome, Kasada, Akamai Bot Manager, and FingerprintJS. • Strong debugging and tooling skills: Chrome DevTools, Wireshark, mitmproxy, Frida, Objection, or similar. • Experience automating evasion workflows and detection pipelines is a major plus. • Communicate clearly, document thoroughly, and guide complex decisions across teams.

🏖️ Benefits

• 100% remote work: We are a company that offers true freedom. Work wherever life takes you. • The salary you are worth: We never ask people what they are earning, but instead what they are looking for. If your ability and experience justifies it and we think you will help us succeed, then we will match your expectations. • The equipment you want: We believe in giving our people the tools they need to succeed and don’t have a default machine to give you. • Generous Learning & Development budget: We believe in always adding value to our top performers and helping them grow their skills in a direction that is beneficial both to them and the business • All-Star Awards: We recognize achievements in many ways within the business, but the bi-annual All-Star Awards allow the CEO to tailor reward packages to the person. Whether this is a holiday destination of choice, a learning course that adds value or something else.. We believe in getting to know every employee personally. • BitWarden Account: With employees working remotely worldwide, we are keen to ensure we empower them with tools to keep passwords as secure as possible. • Charity Initiatives: We are a business that believes in giving back to the community, and every year, we allow our employees the opportunity to give back. • Annual Kick-Off: We want our employees to see where ZenRows was born and enjoy all the Pintxos they can handle. • Share in Our Success: We want our top performers to be part of the company's success and offer opportunities for stock option allocation when people show their value. • Deel Benefits: As a fully remote organization, we employ our people via Deel. This brings freedom of location and many other benefits, including discounts on VPNs, memberships and services.