Senior Backend Engineer (Python)

Technical Requirements

Core Stack

• Python 3.11+ and Django 4.2+ with Django REST Framework

• PostgreSQL with multi-tenant architecture (schema-per-tenant isolation)

• Celery + Redis for asynchronous task processing and caching

• Django Channels for WebSocket/real-time features

• JWT authentication and role-based access control (RBAC)

• Apache Airflow (DAGs, scheduling, workflow automation)

Key Skills

• Building RESTful APIs with DRF (serializers, viewsets, authentication)

• Complex database design and ORM optimization

• Workflow orchestration using Apache Airflow

• Distributed task queues and background job processing

• WebSocket consumers for real-time updates

• Multi-tenant SaaS architecture patterns

• Git version control and Linux/Unix environments

Highly Desired

• AI/ML API integration (Google Gemini, OpenAI)

• ITSM platform experience (ServiceNow, Jira Service Management)

• Hands-on experience with Apache Airflow in production environments

• Service Layer and Repository design patterns

• OAuth 2.0 and third-party integrations (Slack, PagerDuty)

Requirements

• 8+ years Python development, 5+ years production Django experience

• Strong PostgreSQL skills (schema design, complex queries, optimization)

• Hands-on experience with Apache Airflow for workflow orchestration, DAG development, and scheduling of data pipelines

• Experience with Celery task queues and Redis in production

• Proven track record building scalable REST APIs

• Understanding of multi-tenant architecture and data isolation

• Excellent problem-solving and code organization skills

Originally posted on Himalayas