Soumyabrata Banerjee
Soumyabrata Banerjee

AI Backend Engineer / GenAI RAG Engineer

Open to offers · Member since 21 Oct 2026
Location
Hyderabad, India
Desired salary
Unspecified
Work preference
Remote Only / Full Time, Contract, Freelance
Experience level
Senior

About

Professional summary

I am an AI Backend and Generative AI Engineer with over four years of experience building production-grade Python applications, scalable AI APIs, RAG pipelines, and ML inference systems.

I specialize in Python backend development with FastAPI, Flask, Django, asynchronous workflows, REST APIs, and backend architecture. I build reliable services that integrate AI capabilities into practical product systems.

My Generative AI experience includes RAG, multi-agent systems, LangGraph, CrewAI, LangChain, vector search, prompt engineering, grounding, and LLM orchestration. I have delivered educational AI platforms, voice AI systems, document question-answering applications, and healthcare chatbots.

I have hands-on experience in computer vision and deep learning, including deepfake detection, image virtual try-on, segmentation, pose alignment, model evaluation, and inference optimization using PyTorch, OpenCV, NumPy, and transformer-based models.

I work with cloud and deployment technologies including AWS, GCP, Vertex AI, AWS Bedrock, Docker, Kubernetes, PostgreSQL, Redis, RabbitMQ, and vector databases. I focus on scalable deployment, event-driven processing, model serving, and production-ready AI architecture.

I am currently working as an AI/ML Engineer and am open to opportunities where I can build impactful GenAI, RAG, AI agent, and Python backend solutions.

Skills

32 capabilities

Tech stack & tools

Working toolkit

Application Hosting

Data Stores

Languages & Frameworks

Experience

Career history

AI/ML Engineer TechifyApps

Built a production-grade Python image AI virtual try-on and dress-swapping pipeline that transfers garments from source images onto target persons while improving realism, alignment, and identity preservation.

Developed FastAPI backend services for model inference, request validation, asynchronous task handling, structured logging, and client integration. Implemented OpenCV and NumPy preprocessing for human parsing, segmentation, garment masking, pose alignment, normalization, mask refinement, blending, and post-processing.

Deployed scalable AI services with AWS EC2, Lambda, S3, SageMaker, Docker, GCP, and cloud orchestration for model serving and asset management.

AI Engineer – Freelancer Brainium Infotech Pvt. Ltd.

Developed a multi-agent educational AI platform using Python, FastAPI, Redis, and PostgreSQL for assessment generation, feedback analysis, lesson recommendations, and teacher reflection workflows.

Built event-driven orchestration with Redis Streams and implemented collaborative, stateful workflows using CrewAI and LangGraph. Exposed agent capabilities through FastAPI REST APIs for downstream product integration.

Integrated Google Classroom, Canvas, and Microsoft Teams through APIs and LTI to synchronize assignments, grades, submissions, and rosters. Used AWS Bedrock and Claude 3.5 Sonnet for reasoning, lesson generation, contextual assistance, and feedback workflows.

AI/ML Developer CDAC Hyderabad

Developed Python desktop and backend AI applications for deepfake detection, computer vision inference, voice AI, and model evaluation. Created an offline deepfake detection application using OpenCV and reduced inference latency by 40% through preprocessing and model-execution optimization.

Trained and evaluated ViT and MC3-18 models, achieving 98% accuracy for violence detection with cross-dataset validation. Deployed deep learning workflows on Google Vertex AI for automated training, evaluation, experiment tracking, and versioned model pipelines.

Built the DeepfakeCheck.in Django portal, enabling more than 500 testers to upload and analyze deepfake images, videos, and audio. Also implemented voice cloning, synthetic speech, STT/TTS, and LLM-driven conversational voice systems.

AI Full Stack Developer Graylogic Technologies

Developed full-stack AI applications with emphasis on Python backend development and image-processing workflows.

Optimized FastAPI backend services and reduced model inference response time by 45% through API and processing improvements. Built AI-powered classification features and collaborated with cross-functional teams on backend integration and deployment workflows.

Data Science Intern AI Variant

Built real-time machine learning applications in Python and deployed them using Streamlit and cloud services.

Designed reusable ML pipelines and lightweight API-driven workflows to support rapid experimentation, testing, and deployment.

Education

Learning history

Anna University, Chennai

Bachelor of Engineering, Electrical and Electronics Engineering

CGPA: 8.3/10.

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