Senior Researcher

7 days ago

Tel Aviv, Tel Aviv, Israel Nimble Full time ₪90,000 - ₪120,000 per year

About the Role:

As a Senior Web Security Researcher at Nimble, you will spearhead our efforts in the research domain, driving our cutting-edge data gathering solutions. You will work on complex technical challenges at the intersection of browser internals, reverse engineering, and large-scale data gathering. You will analyze and break down advanced client-side protection mechanisms, dive into large and complex codebases such as Chromium, and develop high-performance, cross-platform capabilities that power our products. This role is both hands-on and research-driven: you'll be expected to investigate hard problems, turn insights into solutions, and help push the boundaries of what's possible in web data gathering.

What You'll be Doing:

  • Reverse-engineer and analyze advanced bot-detection systems, including JavaScript based mechanisms and API interaction flows.
  • Analyze and modify large-scale browser codebases that empower our products.
  • Apply a deep understanding of browser internals and architecture to improve stability, performance, and resistance to anti-automation measures.
  • Collaborate with researchers and developers to integrate findings into production solutions.
  • Provide technical guidance and mentorship within the research team.

What You Should Have for the Role:

  • At least 3 years of experience in working within research teams, with a focus on at least one of the following: web data extraction, reverse engineering, browser technologies.
  • Strong JavaScript skills with hands-on reverse-engineering experience in web contexts.
  • Solid C++ development skills in large, multi-platform codebases.
  • Strong analytical and problem-solving skills, with a keen attention to detail and a passion for pushing the boundaries of what's possible in web data gathering.
  • Experience with browser automation frameworks (Puppeteer, Playwright, CDP), and/or Anti-scraping mechanisms (advantage)
  • Prior work with Chromium or firefox source code (advantage)

About Nimble:

Nimble is building the knowledge layer for the modern web. As the internet becomes the world's largest, most dynamic dataset, companies need a reliable way to extract, structure, and act on public web data in real time. That's where we come in.

We've reimagined web data infrastructure from the ground up, combining an intelligent browser, AI-powered data structuring, and dynamic delivery into a unified platform. Whether fueling AI agents, powering LLMs, or uncovering market trends, Nimble helps the world's most ambitious companies turn the web into a trusted source of knowledge.

We're backed by top-tier investors and trusted by industry leaders like Home Depot, Uber, and Coca-Cola. As demand surges across AI, analytics, and automation, we're scaling fast—and looking for Product Marketing leadership to help define the category.

Why Nimble

  • Help define a new category at the intersection of AI, data, and infrastructure
  • Collaborate with a mission-driven team that moves fast, ships often, and thinks big
  • Work on a differentiated, deeply technical product with massive market potential
  • Opportunity to progress and develop in the company

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