Python Backend Developer

RemoteSenior

2800$ – 3200$

WebDesignSun.com is looking for a Seniour Python Backend Developer 🚀 to join the Text AI Humanizer/Detector project (North America).

Responsibilities

Deep immersion in code and bugs: Support, heavy bug fixing, optimization, and maintenance of a high-load SaaS platform using Python (Django / DRF / FastAPI)
Deep debugging and resolution of complex technical issues using Django Debugger, Django Shell, and Sentry
Investigate data via dashboards (Grafana, Loki, Prometheus), databases, and Stripe; analyze backend code, SQL queries, and Sentry traces
Gain deep product understanding, accept the project "as is" and find solutions within the current logic (understanding that refactoring to a "perfect state" takes time)
High responsibility role: requires deep context immersion, long hours of focus, and occasional availability on weekends for critical tasks
Support microservice architecture and the project core
Ensure performance, scalability, and reliability

Requirements

5+ years of experience with Python, including 3+ years in high-load SaaS projects
Exceptional problem-solving skills for context-heavy tasks, capable of digging deep into legacy logic by leveraging various debugging tools, monitoring systems, and rigorous data verification
Proficiency with AI coding agents (specifically Cursor): ability to effectively utilize them while understanding their boundaries, limitations, and best practices
Strong experience with Python 3.10+, Django, DRF, FastAPI, Celery, Redis, RabbitMQ / Kafka
Proficiency with monitoring/logging tools: Prometheus, Grafana, Loki, Sentry, ELK/OpenSearch
English B1+, Ukrainian/Russian C1+/Native
Residence outside Russia, Belarus & Ukraine

Our Tech Stack (Experience with these is a plus)