Direlli

Full Stack Developer (Python/React)

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