Antiban Engineer - Remote

About Us

At Zyte, we eat data for breakfast and you can eat your breakfast anywhere and work for Zyte. Founded in 2010, we are a globally distributed team of over 270 Zytans working from over 28 countries who are on a mission to enable our customers to extract the data they need to continue to innovate and grow their businesses. We believe that all businesses deserve a smooth pathway to data

For more than a decade, Zyte has led the way in building powerful, easy-to-use tools to collect, format, and deliver web data, quickly, dependably, and at scale. And today, the data we extract helps thousands of organizations make smarter business decisions, secure competitive advantage, and drive sustainable growth. Today, over 3,000 companies and 1 million developers rely on our tools and services to get the data they need from the web.

About The Job

As an Antiban Reverse Engineer at Zyte, your primary goal will be to develop sustainable and scalable solutions that enhance Zyte's product offerings. You will employ reverse engineering techniques, including static, dynamic, and concolic analysis, alongside Zyte’s industry-leading tools such as Crawlera.

You'll have significant autonomy in this role. Your responsibilities will include setting and upholding technical and quality standards, as well as collaborating closely with various Zyte teams to maximize the impact of your work.

Roles & Responsibilities:

• Reverse engineer obfuscated JavaScript to uncover browser fingerprinting techniques.
• Conduct static, dynamic, or concolic analysis and fuzz testing to identify tracking mechanisms.
• Design and execute structured tests (repeatable, multiple treatments, testable variables, controls, replication).
• Develop best-practice product usage guides and comprehensive reports based on your research.
• Lead the development of tools and workflows for prototyping robust, scalable antiban solutions.
• Influence product and infrastructure improvements informed by your research findings.

• Excitement about tackling uncertainty and defining your own research path.
• Effective spoken and written communication skills in English.
• A hacker mindset, capable of quickly developing proof-of-concept solutions.
• Logical, metrics-driven approach to prioritizing projects, with strong collaborative skills.
• Familiarity with web crawling, data extraction and processing, asynchronous communication, and distributed systems.
• Extensive knowledge of JavaScript/NodeJS, Python, and a solid general programming foundation.
• Familiarity with JavaScript frameworks such as Angular and React, and tools like Webpack.
• Strong skills in research, debugging, fuzz testing, reverse engineering, and various analysis techniques (static, dynamic, concolic).
• Deep understanding of operating systems and computer networking concepts.
• Expertise in browser engines, browser fingerprinting, and ad-blocker mechanisms.
• Good understanding of polymorphic obfuscation and other static approaches, as well as dynamic approaches such as RASP.

By joining the Zyte team, you will:

• As a new Zytan, you will:
• Become part of a self-motivated, progressive, multi-cultural team.
• Have the freedom and flexibility to work from where you do your best work.
• Attend conferences and meet with team members from across the globe.
• Work with cutting-edge open source technologies and tools.