Python Backend Developer

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)

• Next.js, ML/NLP/LLM (scikit-learn, TensorFlow/Keras), OpenAI API, Kubernetes, AWS

We offer

• Fully remote, full-time position

• $2800–3200 USD, depending on experience

• 20 paid vacation days + 5 sick days + additional days off

Send your resume and we replies within 1–3 days.