Jobs
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 Py Spark, 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 Py Spark, Pandas, Py Arrow, 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 (Py Test/unittest).
- Work with REST APIs, microservices, and basic shell scripting.
- Work with cloud services (ECS), including boto3.
Required Skills
- 3–5 years of hands-on Python programming experience.
- Strong fundamentals in Python, OOP, and design patterns.
- Experience with NLP libraries such as Flair, BERT, Hugging Face Transformers, or similar.
- Solid experience with Py Spark, Pandas, Py Arrow, 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 Py Torch or Tensor Flow for model training.
- Experience with Docker, Kubernetes, or containerized deployments.
- Experience with monitoring tools such as ITRS Geneos.
- Experience with FastAPI, Airflow, or Prefect.
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.
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi’s EEO Policy Statement and the Know Your Rights poster.
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About Citigroup

Citigroup
PublicCitigroup Inc. or Citi is an American multinational investment bank and financial services company based in New York City. The company was formed in 1998 by the merger of Citicorp, the bank holding company for Citibank, and Travelers; Travelers was spun off from the company in 2002.
10,001+
Employees
New York City
Headquarters
Reviews
3.3
4 reviews
Work Life Balance
3.0
Compensation
3.2
Culture
2.8
Career
2.5
Management
2.7
35%
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Pros
Compensation increases for investment banking roles
Legitimate investment banking employer
Internship opportunities available
Cons
Unclear career progression paths
Limited meaningful experience in internships
Compensation raises lower than competitors
Salary Ranges
28 data points
Mid/L4
Senior/L5
Staff/L6
Mid/L4 · Business Risk Intermediate Analyst
1 reports
$77,165
total / year
Base
$67,100
Stock
-
Bonus
-
$77,165
$77,165
Interview Experience
5 interviews
Difficulty
2.8
/ 5
Duration
14-28 weeks
Experience
Positive 0%
Neutral 40%
Negative 60%
Interview Process
1
Application Review
2
Recruiter Screen
3
Programming Assessment
4
Hiring Manager Interview
5
Panel/Superday Interviews
6
Final Decision
Common Questions
Technical Knowledge
Case Study
Behavioral/STAR
Past Experience
Culture Fit
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