Backend Engineer
CriticalRiver Inc.
2 - 5 years
Hyderabad
Posted: 05/02/2026
Job Description
Required Expertise:
Backend: Python 3.11+, FastAPI, async/await, Pydantic
Database: PostgreSQL, SQLAlchemy 2.0, Alembic, complex SQL
API: RESTful API design, OpenAPI/Swagger, API versioning
Testing: pytest, pytest-asyncio, test fixtures, mocking
Caching: Redis for caching and session management
Tools: Git, Docker, VS Code/PyCharm
Nice to Have:
AI/LLM: LangChain, LangGraph, OpenAI API, prompt engineering
Cloud: AWS (EKS, RDS, S3, ElastiCache, Secrets Manager)
Auth: Auth0, OAuth2, JWT, SSO, SAML
Monitoring: Datadog, CloudWatch, structured logging
Message Queues: Celery, Redis Queue, SQS
DevOps: Kubernetes, Docker Compose, CI/CD pipelines
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