Python Developer - NLP, ML, Gen AI - Assistant Vice President

Citigroup
📍 Mississauga, ON, Canada 💼 Full-time 🕒 Posted June 06, 2026

Job Description

**Role Summary**

We are looking for a mid-level Python Developer - NLP, ML, Gen AI with combined experience in **Data Engineering** **and** **AI/NLP engineering** . The candidate will build NLP pipelines using libraries such as **Flair** , **BERT** , and LLM frameworks, and will also work on large-scale data processing using **PySpark** , **Pandas** , and related data tools. The role includes developing APIs, integrating with platform services, and supporting CI/CD deployments using GitHub and LightSpeed Enterprise.

**Key Responsibilities**

+ Develop and optimize ETL/data processing jobs using **PySpark** , **Pandas** , **PyArrow** , and related libraries.
+ Work with Parquet files using **FastParquet** or **pyarrow.parquet** for efficient data processing.
+ Implement data parsing and serialization using **json** , **ujson** , or **orjson** for high-performance JSON handling.
+ Build and maintain NLP pipelines using **Flair, BERT...

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Job Details

  • Location Mississauga, ON
  • Job Type Full-time
  • Category other-general
  • Posted Date June 06, 2026
  • Application Deadline June 11, 2026