Position Description:

Job Title: Senior Python Engineer – AI & AWS
Experience: 5 to 7 Years
Location: Hyderabad / Chennai / Bangalore
Position ID : J0126-1609

Position Description: We are looking for an experienced Senior Python Engineer with strong expertise in backend development, data processing, cloud services, and AI/LLM integrations. The ideal candidate will have hands-on experience in building scalable APIs, working with AWS services, and developing AI-driven applications using modern frameworks and large language models.

Your future duties and responsibilities:

Key Responsibilities
Design, develop, and maintain Python-based applications using object-oriented programming principles and best practices.
Build and optimize RESTful APIs using FastAPI for high-performance backend services.
Work extensively with data structures (lists, tuples, dictionaries, sets) for efficient data processing.
Perform data analysis and manipulation using Pandas, NumPy, and DataFrames.
Implement file handling solutions for PDF, CSV, Excel, Word, and other structured/unstructured formats.
Develop data visualization components using Matplotlib for reporting and insights.
Integrate AWS services such as S3, Aurora PostgreSQL, and Lambda to build scalable and serverless solutions.
Use Boto3 for AWS service automation and cloud resource management.
Design and implement AI-powered features leveraging OpenAI APIs and large language models.
Build intelligent workflows using LangChain, LangGraph, and Pydantic AI.
Integrate and fine-tune LLMs such as ChatGPT-5, Claude Sonnet 4.5, and AWS Nova for enterprise use cases.
Ensure application security, performance optimization, logging, and monitoring.
Collaborate with cross-functional teams including product, data, and cloud architects.
Participate in code reviews, mentoring junior engineers, and enforcing coding standards.

Required qualifications to be successful in this role:

Required Skills & Qualifications:

Technical Skills
Strong proficiency in Python with deep understanding of OOP concepts.
Hands-on experience with FastAPI for backend/API development.
Solid knowledge of Pandas, NumPy, and DataFrames.
Experience in file processing (PDF, CSV, Excel, Word).
Working knowledge of Matplotlib for data visualization.
Experience with AWS services:
Amazon S3
Aurora PostgreSQL
AWS Lambda
Proficiency in Boto3 for AWS automation.
Hands-on experience with AI/LLM frameworks:
LangChain
LangGraph
Pydantic AI
Practical experience working with LLMs such as:
ChatGPT-5
Claude Sonnet 4.5
AWS Nova

Good to Have
Experience in serverless architectures.
Knowledge of prompt engineering and LLM orchestration.
Familiarity with CI/CD pipelines and DevOps practices.
Experience in productionizing AI solutions.
Exposure to microservices architecture.

Soft Skills
Strong problem-solving and analytical skills.
Excellent communication and collaboration abilities.
Ability to work independently and mentor junior team members.
Adaptability to fast-changing AI and cloud technologies.

Skills: Python What you can expect from us:

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team—one of the largest IT and business consulting services firms in the world.