Gmail Productivity Tool Development -- 2

Please only bid if you have verifiable low-level experience with custom Chromium builds and hardware fingerprinting.

We are developing a standalone Windows automation utility that interacts with complex web platforms protected by modern behavioral analysis and device-reputation systems.

We need an engineer who understands low-level browser internals, hardware consistency, and human-like interaction physics.

Required Technical Skills:
Chromium & Hardware Fingerprinting:
In-depth knowledge of browser identity vectors: Canvas noise, WebGL renderer/vendor emulation, AudioContext consistency, Client Hints, and TLS JA3/JA4 profiles.
Experience with custom/patched Chromium binaries or driver-level modifications.
Low-Level Protocol Automation:
Direct communication via Chrome DevTools Protocol (CDP) without leaking debugger hooks or execution context traces.
Experience with isolated automation architectures (avoiding default automation flags).
Human Interaction Modeling:
Mouse trajectories using Cubic Bézier curves / Fitts’s Law (smooth acceleration, deceleration, and micro-movements).
Natural keyboard typing cadence with realistic physical key-to-key latency.
Strict Exclusions:
❌ No basic Selenium or standard Puppeteer scripts using surface-level JavaScript overrides (Object.defineProperty).
❌ No third-party paid browser services or commercial subscription APIs.
❌ Must be completely self-contained and run on local hardware without leaving permanent device flags.
Deliverables:
Standalone Windows automation script (Python or C#).
Clean browser runtime setup with full source code and documentation.
Proof of clean multi-step flow execution past device-reputation checks without triggering security blocks.