Python Developer

Must-Have Experience

3.5+ years backend development in Python.

FastAPI (preferred) or Flask with Pydantic models; OpenAPI/Swagger API design.

Async programming (async/await), concurrency patterns, connection pooling, and

backpressure management.

Database expertise with Amazon RDS (SQL Server/PostgreSQL) and Redis;

schema design, indexing, query optimization; migrations with Alembic.

Event-driven architecture experience using Amazon SQS and Amazon SNS.

API security and integration design with OAuth2/OIDC, JWT, and rate limiting.

Containerized application development with Docker (deployment managed by

platform team on Amazon EKS).

Testing: pytest, fixtures, mocks/stubs, contract tests, and load testing (k6/JMeter).

Observability: OpenTelemetry, Datadog, structured logging, and actionable alerts.

Solid understanding of secrets and identity management with AWS Secrets

Manager and Okta.

Nice to Have

Built streaming chat endpoints (SSE/WebSockets) and function/tool-calling

adapters for AI services.

Worked with OpenSearch Serverless, Bedrock Knowledge Base, or other vector

databases for RAG workflows.

Experience integrating backend systems with AWS Bedrock models and NeMo

Guardrails for runtime safety.

Exposure to Kong API Gateway, feature flags (LaunchDarkly/Flipt), or policy-as-

code (OPA).

Multi-tenant controls (RBAC, quotas, usage metering) and enterprise-grade

integration patterns.

Familiarity with enterprise APIs (SAP OData/BAPI, Salesforce REST/Graph,

ServiceNow).

Tech Stack (our core; equivalents welcome)

Python 3.11+, FastAPI, Pydantic v2, SQLAlchemy 2.x, Alembic, pytest.

Amazon SQS/SNS for messaging and events.

Amazon RDS (SQL Server/PostgreSQL) for relational data, ElastiCache (Redis) for

caching.

AWS Bedrock for model hosting and RAG services.

Amazon S3 for data storage, Amazon ECR for container images.

OpenSearch Serverless for vector storage and search.

AWS Secrets Manager, Okta IAM for authentication and secrets.

NeMo Guardrails on Amazon EKS for runtime safety.

Datadog + OpenTelemetry for observability and monitoring.

Kong API Gateway for service routing and access control.

Custom RAG Service and LLM evaluation using Phoenix/Arize/Promptfoo.