Dev for Proxy Rotation/Anti-Detection System

**Title:** Build Advanced Proxy Rotator + Multi-Session Anti-Detection Automation System

**Description:**

I am looking for an experienced developer to build a **high-performance proxy rotator and multi-session browser automation system** designed for stability, scalability, and anti-detection.

This is **not a beginner project** — only apply if you have real experience working with proxy networks, browser automation, and bot-detection evasion.

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**Scope of Work:**

**1. Proxy Rotation Engine**

* Support for ISP and Residential proxies
* Sticky sessions + timed rotation + per-request rotation
* Intelligent retry logic on bans/timeouts
* Proxy pool management (health checks, scoring, auto-replacement)
* Format support: host:port:user:pass

**2. Multi-Session Browser Automation**

* Use Playwright / Puppeteer (Playwright preferred)
* Ability to run 20–100 concurrent sessions
* Assign 1 proxy per session
* Efficient resource usage (low CPU/RAM overhead)

**3. Session Isolation**

* Separate cookies, localStorage, indexedDB per session
* Unique browser profiles per instance
* Consistent fingerprint per session

**4. Fingerprint & Anti-Detection**

* Canvas, WebGL, Audio fingerprint spoofing
* User-Agent, timezone, locale, viewport alignment
* WebRTC leak prevention
* Navigator/window object patching
* Human-like interaction patterns (delays, randomness)

**5. Network Layer Control**

* Intercept and modify requests (headers, cookies, payloads)
* Optimize request flow (remove unnecessary calls)
* Ability to analyze XHR/fetch traffic

**6. Anti-Bot Handling**

* Experience handling Cloudflare/Akamai-style protections
* Detect soft vs hard blocks
* Smart retry/backoff strategies

**7. Optional (Preferred)**

* CAPTCHA solving integration (manual or assisted)
* Basic dashboard/UI for monitoring sessions and proxies

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**Deliverables:**

* Fully working system (not just scripts)
* Clean, modular, maintainable code
* Configurable proxy/session settings
* Documentation for setup and usage

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**Requirements:**

* Proven experience with similar systems
* Strong knowledge of browser internals, networking, and automation
* Ability to write efficient, scalable code

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**To Apply, Include:**

* Your tech stack
* Relevant past work (GitHub, demos, case studies)
* Brief explanation of how you would approach this project

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Only serious developers with real-world experience should apply.