# Skills and tooling

## Skills and tooling

### Languages

* Python
* JavaScript
* TypeScript
* SQL
* Bash

### AWS

* SageMaker
* EC2
* Lambda
* S3
* EMR
* Glue
* Batch
* CloudWatch
* EKS

### Machine learning

* Deep Learning
* NLP and LLMs
* Multi-agent systems
* Fine-tuning: LoRA, QLoRA, QDoRA
* RAG pipelines
* Quantization: NF4, INT8
* Distributed training
* Model optimization

### Frameworks and libraries

* PyTorch
* Hugging Face Transformers
* TensorFlow
* PEFT
* bitsandbytes
* Scikit-Learn
* LangChain
* CrewAI
* ONNX Runtime
* TensorRT
* vLLM
* NumPy
* Pandas

### Data and databases

* Databricks
* PostgreSQL
* MySQL
* MongoDB
* DynamoDB
* Spark

### Serving and APIs

* FastAPI
* Express.js
* Node.js
* LLM APIs: OpenRouter, Claude, Gemini, OpenAI
* REST API design

### MLOps and DevOps

* Docker
* Kubernetes
* CI/CD: GitHub Actions, AWS CodePipeline
* IaC: Terraform, CloudFormation
* MLflow
* Model registry
* A/B testing
* Observability: OpenTelemetry