Data Engineer - Python, AI
Citi
- Location
- Hybrid (Pune, Maharashtra)
- Employment
- Full-time
- Level
- Senior Level
About the Role
Citi seeks a Data Engineer to build scalable NLP pipelines and ETL jobs using Python, PySpark, and AI frameworks. The role involves developing APIs, managing model inference, and supporting CI/CD deployments within the Technology Applications Development team.
Skills
Perks
- Hybrid Work
Full job details
Role Summary
We are looking for a mid-level Python Developer 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.
- Build and maintain NLP pipelines using Flair, BERT, and LLM-based models.
- Develop scalable ingestion and data transformation pipelines for AI and analytics use cases.
- Build and maintain Flask-based APIs for model inference and service integrations.
- Use regular expressions for text cleaning, parsing, and NLP preprocessing.
- Integrate caching and fast lookups using Redis.
- Manage and deploy ML models using MLflow for tracking and versioning.
- Support CI/CD workflows using GitHub, LightSpeed Enterprise, and deployment pipelines.
- Create and maintain Autosys JILs for job scheduling and automation.
- Use basic Linux commands for troubleshooting, operations, and deployment tasks.
- Monitor application and system health using ITRS Geneos.
- Write unit tests and improve automation test coverage (PyTest/unittest).
- Work with REST APIs, microservices, and basic shell scripting.
- Work with cloud services (ECS), including boto3.
Required Skills
- 10–12 years of hands-on Python programming experience.
- Strong fundamentals in Python, OOP, and design patterns.
- Experience with NLP libraries such as Flair, BERT, HuggingFace Transformers, or similar.
- Solid experience with PySpark, Pandas, PyArrow, and distributed data pipelines.
- Experience building APIs using Flask (FastAPI is a plus).
- Experience with MLflow for model tracking and deployment.
- Good understanding of CI/CD practices and Git workflows.
- Experience working with Redis or similar in-memory stores.
- Experience with Autosys JILs for job scheduling.
- Comfortable with Linux command line and shell scripting.
- Strong debugging, problem-solving, and teamwork skills.
- Exposure to cloud services; AWS boto3 experience is an asset.
Nice-to-Have
- Experience with Polars or Dask for high-performance data processing.
- Experience with PyTorch or TensorFlow for model training.
- Experience with Docker, Kubernetes, or containerized deployments.
- Experience with monitoring tools such as ITRS Geneos.
- Experience with FastAPI, Airflow, or Prefect.
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Job Family Group:
Technology------------------------------------------------------
Job Family:
Applications Development------------------------------------------------------
Time Type:
Full time------------------------------------------------------
Most Relevant Skills
Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
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