Python AI, AWS Professional

Job Title: Senior Python Engineer AI AWS

Location: Hyderabad / Chennai / Bangalore

Experience: 5 to 7 Years

Position Description
CGI is seeking an experienced Senior Python Engineer with 5+ years of experience in backend application development, cloud technologies, and AI-driven solutions. The ideal candidate will possess strong expertise in Python, FastAPI, AWS, data processing, and Large Language Models (LLMs), with proven experience building scalable, secure, and production-grade applications.

Your future duties and responsibilities:

• Design, develop, and maintain scalable Python applications following object-oriented programming (OOP) principles and software engineering best practices.
• Develop and optimize high-performance RESTful APIs using FastAPI.
• Design robust backend services with a focus on scalability, security, and maintainability.
• Develop efficient data processing pipelines using Python data structures and algorithms.
• Perform data analysis and transformation using Pandas, NumPy, and DataFrames.
• Build file processing solutions for PDF, CSV, Excel, Word, and other structured and unstructured document formats.
• Develop data visualization and reporting capabilities using Matplotlib.
• Design and implement cloud-native solutions leveraging AWS services.
• Integrate and manage Amazon S3, Amazon Aurora PostgreSQL, and AWS Lambda for scalable application development.
• Automate AWS services using Boto3.
• Design and implement AI-powered features using OpenAI APIs and enterprise-grade Large Language Models (LLMs).
• Build intelligent workflows using LangChain, LangGraph, and Pydantic AI.
• Develop AI solutions utilizing modern LLMs such as ChatGPT-5, Claude Sonnet 4.5, and AWS Nova.
• Optimize prompt engineering strategies and LLM orchestration for enterprise applications.
• Implement application security, logging, monitoring, and performance optimization best practices.
• Collaborate with product owners, architects, cloud engineers, and cross-functional teams throughout the software development lifecycle.
• Participate in technical design discussions, code reviews, mentoring, and continuous improvement initiatives.

Required qualifications to be successful in this role:

Must-Have Skills:

• 57 years of experience in software development with strong expertise in Python.
• Hands-on experience in Machine Learning and Generative AI application development.
• Experience building applications using Large Language Models (LLMs).
• Strong understanding of:
• Prompt Engineering
• Retrieval-Augmented Generation (RAG)
• Embeddings and Vector Search
• Natural Language Processing (NLP)
• Experience with Machine Learning frameworks such as:
• PyTorch
• TensorFlow
• Scikit-learn
• Experience with LLM orchestration frameworks such as LangChain or LlamaIndex.
• Experience developing RESTful APIs using FastAPI or Flask.
• Strong knowledge of SQL and NoSQL databases.
• AWS Cloud
• Hands-on experience with AWS cloud services including:
• Amazon Bedrock
• Amazon SageMaker
• AWS Lambda
• Amazon S3
• Amazon EC2
• Amazon RDS
• API Gateway
• Experience deploying cloud-native AI applications.
• Knowledge of cloud security, monitoring, and cost optimization.

Preferred Skills

• Experience with vector databases such as Pinecone, FAISS, OpenSearch, ChromaDB, or Weaviate.
• Experience fine-tuning foundation models using PEFT or LoRA.
• Knowledge of Responsible AI, AI governance, and model explainability.
• Experience building enterprise-scale AI solutions in cloud environments.

Required Competencies

• Strong analytical and problem-solving skills.
• Excellent verbal and written communication skills.
• Ability to work effectively in Agile development environments.
• Strong collaboration and stakeholder management skills.
• Self-driven with the ability to lead technical initiatives.
• Passion for learning emerging AI technologies and applying innovative solutions.

Skills:

• Agile
• AI Data Modeling
• AWS Glue
• Communication
• Python