Role : Senior AI Developer – AI/ML, Python, LangChain, RAG & NLP

Location : Toronto ,ON

Duration : Contract

Role Summary:

We are looking for a Senior AI Engineer to develop, deploy, and optimize AI/ML solutions, including LLM and NLP applications. The role involves model development, RAG pipelines, MLOps, cloud deployment, and production support.

Key Responsibilities:

- Develop and optimize ML/AI models for business use cases.
- Build LLM applications using Python, LangChain, RAG, Hugging Face, and OpenAI APIs.
- Develop NLP solutions for classification, summarization, and entity recognition.
- Build scalable ML/data pipelines and automate model deployment using CI/CD.
- Deploy and monitor AI solutions across AWS, Azure, or GCP.
- Evaluate LLM/model performance, accuracy, fairness, and model drift.




- Implement monitoring, logging, and SRE practices for production applications.
- Collaborate with Data Scientists, Engineers, Product Owners, and QA teams in Agile environments.
- Maintain technical documentation and stay current with emerging AI technologies.

Must-Have Skills:

- 2+ years hands-on AI/ML experience
- Robust Python; Java/C++ is a plus
- Machine Learning & advanced AI techniques
- LLMs, RAG, LangChain, Hugging Face, OpenAI APIs
- NLP
- LLM/model evaluation metrics
- MLOps, CI/CD, ML pipelines
- AWS/Azure/GCP experience
- Production monitoring and troubleshooting

📌 AI Developer (Toronto)
🏢 apptoza
📍 Toronto