Senior Full-Stack Python Developer Offline

SYTOSS is looking for an experienced Senior Full-Stack Python Developer with a strong security background to perform a structured code review of our SecOps platform built with FastAPI, React, and MongoDB.

Requirements:

— 5+ years of software development experience
— Strong experience with Python 3.10+ and FastAPI
— Experience with MongoDB (aggregation pipelines, indexing, multi-tenant isolation)
— Experience with Redis, especially Redis Streams with consumer groups
— Experience with async Python (asyncio, httpx, motor)
— Experience with APScheduler or similar schedulers
— Experience with React 18/19 (hooks, context, React Router v6)
— Experience with Tailwind CSS
— Understanding of JWT authentication, RBAC, and multi-tenant SaaS security
— Basic knowledge of Linux, Nginx, TLS, Docker
— Experience with Git
— English: Upper-Intermediate+

Nice to have:

— Experience with WebSockets / real-time architectures
— Experience performing security-focused code reviews

Responsibilities:

— Conduct a structured code review of the platform (FastAPI + React + MongoDB)
— Evaluate system architecture and code quality
— Review authentication, RBAC, and tenant isolation logic
— Analyze event bus (Redis Streams) and scheduler implementation
— Identify potential security risks or logic flaws
— Prepare a written report with findings and recommendations

What we offer:

🌍 Work from Anywhere: The flexibility to work remotely or from our office, depending on what suits you best.

🌱 Work-Life Balance: We support your well-being with paid vacation and sick leave to ensure you have the time you need to recharge. Enjoy a flexible schedule that fits your lifestyle.

📊 Full Accounting Support: We handle all administrative details, including tax coverage and comprehensive accounting support.

💰 Competitive Compensation: Competitive compensation that reflects your experience and skills.

👥 Friendly Team & Cozy Environment: Join a supportive, collaborative team. We also offer thoughtful gifts and organize engaging corporate events.

🚀 No Bureaucracy, No Micromanagement: A workplace with minimal bureaucracy and no micromanagement. Embrace the freedom to innovate and excel in an environment where everyone feels valued and heard.