Senior Python Engineer

Citi; Maharashtra; On-site; INR 4,000,000 - 6,000,000; Full time

Job summary

Citi is seeking a Python Developer to design and build Gen AI–driven software solutions. You will work with a Team Lead, contributing code and shaping system architecture for scalable, secure applications.

The role requires hands-on experience with Python frameworks, REST/gRPC APIs, and cloud platforms. Join an Agile team focused on delivering high-quality software while adhering to Citi policies and best practices.

Qualifications

• 8+ years of progressive experience in Applications Development or Systems Analysis with a focus on Java and Python technologies.
• Subject Matter Expert (SME) in Python application development, including Django, Flask, and FastAPI.
• Strong proficiency in software architecture, distributed systems, microservices, and object-oriented design.
• Ability to work under pressure and manage deadlines or changing requirements.

Responsibilities

• Demonstrate technical knowledge across software development, frameworks, and best practices.
• Actively contribute to feature implementation; write clean, efficient, maintainable code.
• Collaborate with Engineers to define and evolve system architecture and design.
• Provide guidance on scalable, robust solutions aligned with business needs and industry standards.
• Code as part of an Agile team to deliver sprint goals.
• Stay updated with emerging technologies and evaluate adoption and innovation.
• Assess risk and ensure compliance with Citi policies and regulatory requirements.

Skills

Python

FastAPI

Django

Flask

REST APIs

JWT OAuth2

Git

Kubernetes

Docker

AWS

Azure

GCP

PostgreSQL

MongoDB

CI/CD

Microservices

React

Angular

Vue.js

Education

Bachelor’s degree

Tools

Docker

Kubernetes

Jenkins

GitLab CI

GitHub Actions

PostgreSQL

Oracle

SQL Server

MongoDB

Cassandra

Redis

React

Angular

Vue.js

Job description

We are looking for a Python Developer with hands-on experience developing Gen AI solutions. As a developer, you will leverage your deep technical knowledge to drive the creation of high-quality software products. You will also be expected to share your technical expertise and promote a culture of technical excellence within the team. The developer will work with a Team Lead and will be a code-contributing member of the team that will deliver solutions against the sprint-level commitments.

Responsibilities

• Demonstrating technical knowledge and expertise in software development, including programming languages, frameworks, and best practices.
• Actively contributes to the implementation of features and technical solutions. Write clean, efficient, and maintainable code that meets the highest standards of quality
• Collaborate with other Engineers to define and evolve the overall system architecture and design.
• Provide guidance on scalable, robust, and efficient solutions that align with business requirements and industry best practices.
• Code contributing member of an Agile team, working to deliver sprint goals.
• Stay up to date with emerging technologies, tools, and industry trends. Evaluate their potential impact on the organization and provide recommendations for technology adoption and innovation.
• 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

Technical Proficiency

• Expert-level Python 3.x proficiency for scalable, resilient, and high-performance applications.
• Advanced knowledge of Python frameworks (FastAPI, Django, Flask), best practices, and design patterns (OOP).
• Experience with various database technologies, including relational databases (e.g., PostgreSQL, Oracle, SQL Server) and NoSQL databases (e.g., MongoDB, Cassandra, Redis).
• Proven expertise in designing, developing, and consuming secure RESTful APIs and other inter-application integration patterns.
• Hands-on experience with CI/CD systems (e.g., Jenkins, GitLab CI, GitHub Actions) and establishing robust automated deployment pipelines.
• Strong background in cloud platforms (e.g., AWS, Azure, GCP), including significant experience with containerization (Docker) and container orchestration (Kubernetes).
• Advanced troubleshooting, debugging, and performance optimization skills for complex, distributed applications and systems.
• Architectural and implementation expertise in designing, securing (OAuth2, JWT), and optimizing RESTful and gRPC APIs, focusing on idempotency, rate limiting, and robust error handling.
• Experience in modern version control systems, particularly Git, including advanced branching strategies and pull request workflows.

Recommended Qualifications

• 8+ years of progressive experience in Applications Development or Systems Analysis, with a substantial and demonstrated focus on Java and Python technologies.
• Proven experience in successfully delivering complex software development projects from inception to production deployment.
• Subject Matter Expert (SME) in Python application development, encompassing advanced knowledge of frameworks (e.g., Django, Flask, FastAPI) best practices, and design patterns.
• Strong proficiency in software architecture principles, distributed system design patterns (e.g., Microservices, Event-Driven Architecture), and object-oriented programming.
• Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements

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.

• Good understanding of agentic AI solutions frameworks like Google ADK, LangChain, and LangGraph
• Good understanding of multi-agent systems, integrating LLMs (OpenAI, Anthropic, Google Gemini) and AI-powered capabilities (Vertex AI, Google A2UI, RAG pipelines, vector databases).
• Java (17+ preferred) programming experience and knowledge of Object Oriented Design principles, Spring ecosystem, Spring Boot, Spring MVC, and Hibernate.
• Knowledge of modern frontend frameworks (e.g., React, Angular, Vue.js) for full-stack development capabilities.

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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