Python Developer

The Applications Development Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.

Responsibilities:

• Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements
• Identify and analyze issues, make recommendations, and implement solutions
• Utilize knowledge of business processes, system processes, and industry standards to solve complex issues
• Analyze information and make evaluative judgements to recommend solutions and improvements
• Conduct testing and debugging, utilize script tools, and write basic code for design specifications
• Assess applicability of similar experiences and evaluate options under circumstances not covered by procedures
• Develop working knowledge of Citi’s information systems, procedures, standards, client server application development, network operations, database administration, systems administration, data center operations, and PC-based applications
• Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Qualifications:

• 3+ years of relevant experience
• Experience in programming/debugging used in business applications
• Working knowledge of industry practice and standards
• Comprehensive knowledge of specific business area for application development
• Working knowledge of program languages
• Consistently demonstrates clear and concise written and verbal communication

Education:

• Bachelor’s degree/University degree or equivalent experience

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

Key Responsibilities

• Design, develop, and maintain ETL pipelines to extract, transform, and load data from multiple sources into RDBMS and noSQL DB.
• Optimize data ingestion, storage, and retrieval for performance and scalability.
• Develop RESTful APIs using FastAPI to serve data and integrate with internal/external systems.
• Collaborate with cross-functional teams (data engineering, DevOps, product) to define requirements and deliver solutions.
• Ensure data integrity, consistency, and security across the pipeline.
• Write clean, maintainable, and well-documented code.
• Monitor, debug, and optimize ETL workflows and APIs in production.
• Stay updated with the latest trends in Python, ETL frameworks, and database technologies.

Required Skills & Experience

• 3+ years of professional experience in Python development.
• Strong experience in building ETL pipelines and data integration workflows.
• Proficiency in schema design, queries.
• Hands-on experience with MongoDB (document design, aggregation pipelines, indexing).
• Experience developing GraphQL ,REST APIs using FastAPI (or Flask/Django REST Framework with willingness to switch to FastAPI).
• Solid understanding of data modeling and database best practices.
• Experience with asynchronous programming in Python.
• Familiarity with Docker and deployment on cloud environments (AWS/Azure/GCP) is a plus.
• Strong problem-solving and debugging skills.
• Good communication skills and ability to work in a collaborative team environment.
• Knowledge on Machine Learning and AI is advantageous.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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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.

 

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