We are seeking a skilled Full Stack Developer to build and enhance our customer-facing portal and backend services. You will work across the stack—from React frontend to FastAPI microservices to PostgreSQL data layer. Additionally, you will contribute to our Windows Chromium extension development, implementing advanced browser fingerprinting capabilities and hardware emulation features.

Key Responsibilities
Develop and maintain the customer portal/dashboard using React.js and Bootstrap CSS
Build and extend backend microservices using FastAPI (Python) with WebSocket support
Design and optimize PostgreSQL schemas; implement caching strategies with Redis
Develop and enhance the Windows Chromium extension for improved browser fingerprinting and GPU/hardware attribute emulation
Implement secure file handling features including metadata stripping and virus scanning integration
Build automated device provisioning workflows accessible from the customer portal
Write clean, testable code with comprehensive unit and integration tests
Participate in code reviews, QA processes, and bug triage
Contribute to knowledge base documentation and customer support as needed

Requirements

Required Qualifications
4+ years of full stack development experience
Strong proficiency in Python and FastAPI
Solid experience with React.js and modern JavaScript/TypeScript
Experience with PostgreSQL database design and optimization
Familiarity with Redis caching and message queuing patterns
Experience with Docker and Kubernetes
Proficiency with Git and CI/CD pipelines
Understanding of RESTful API design and WebSocket implementations

Preferred Qualifications
Experience with Chrome/Chromium extension development
Knowledge of browser fingerprinting techniques and detection evasion
Familiarity with OpenSearch or Elasticsearch
Experience with WebRTC, screen recording, or media streaming
Background in security-focused development or privacy-preserving technologies
C++ experience for low-level Chromium work is a plus