VINOD SAGAR
Bengaluru
Summary
Highly motivated and results-oriented Python developer with a strong foundation in building scalable web applications and data pipelines. Proficient in Django, Flask, and data engineering principles, leveraging AWS cloud services for efficient deployment and management. Adept at problem-solving and collaborating in fast-paced environments.
Overview
12
12
years of professional experience
Work History
AI Engineer
Freelance
Bangalore
08.2024 - Current
Practical Applications.
End-to-End AI Solutions.
- Built production RAG systems combining vector databases, embeddings, and LLMs.
- Developed conversational agents using fine-tuned models and prompt engineering.
- Implemented multi-agent workflows for complex task automation.
Model Optimization.
- Fine-tuned, domain-specific models using Hugging Face transformers.
- Optimized embedding strategies for improved retrieval performance.
- Deployed scalable AI systems using Docker and AWS infrastructure.
Production Deployment.
- Containerized AI applications for consistent deployment across environments.
- Implemented cloud-native AI solutions with AWS services.
- Built robust chatbot systems with error handling and fallback mechanisms.
Software Engineer
HCL TECH
Bangalore
08.2013 - 07.2023
- Worked as Python Developer at Google India, January 2023 - July2023.
- Worked as Data Engineer at smith nephew, August 2022 - January2023.
- Worked as Django Developer at Smart DCC, Manchester, UnitedKingdom(onsite) and Bangalore. January 2019 to July 2022.
- Worked as Python Developer for Client CATTERPILLAR, Bangalore.
CAD Customization Engineer
HCL TECH( DAIMLER, VOLVO)
Bangalore
08.2013 - 07.2017
- Worked as CAD Automation Engineer using VB.NET at VOLVO,Bangalore, December 2016 to November 2017. (client location)
- Worked as CAD Automation Engineer for STELIA AEROSPACE,Bangalore, January 2016 to November 2016. (client location)
- Worked as CAD Automation Engineer at DAIMLER (MERCEDESBENZ Research and Development India, Bangalore), November2013 to December 2015 (client location)
- Worked as CAD Engineer at MSM consultancy, Bangalore, HCLTechnologies, Bangalore, November 2011 to May 2012.
- Asst. Design Engineer at BAKA LIFTEC (INDIA) PRIVATELIMITED, BANGALORE | 2010 - 2011
Education
Bachelor of Engineering - Mechanical
BIT
06-2008
Skills
Python programming: advanced proficiency, OOP, async/await, pandas, type hints, pydantic
Web framework: Flask, Django, FastAPI, HTML, CSS
Hugging Face: Transformers, datasets, model hub, PEFT integration, accelerate for distributed training
Large language models (LLM): Anthropic Claude, Llama integration, inference optimization, multi-modal capabilities
Fine-tuning: LoRA/QLoRA, supervised fine-tuning, RLHF, domain adaptation, parameter-efficient training
Vector databases: Pinecone, Chroma, FAISS, similarity search, index optimization, metadata filtering
Embeddings: OpenAI embeddings, Sentence Transformers, semantic search, text chunking, multi-modal embeddings
Prompt Engineering: Few-shot learning, chain-of-thought, prompt optimization, template management, safety techniques
RAG (Retrieval-Augmented Generation): end-to-end pipelines, document processing, hybrid search, context management, evaluation metrics
Chatbot Development: Multi-turn dialogue, session management, personality design, error handling, API integration
Agentic AI: LangChain, LangGraph, multi-agent systems, tool integration, workflow orchestration
MCP (Model Context Protocol): Protocol implementation, context sharing, interoperability, and integration patterns
Docker: container creation, multi-stage builds, AI workload optimization, GPU-enabled containers, Docker Compose
AWS Cloud: Bedrock, Lambda, S3, EC2, boto3, CloudWatch, and serverless AI deployment
Languages
English
First Language
German
Beginner
A1
Kannada
Proficient (C2)
C2
Hindi
Upper Intermediate (B2)
B2
Telugu
Intermediate (B1)
B1
Tamil
Beginner
A1
Affiliations
- Wildlife photography
- Solo bike ride
- Trekking
- cooking
- Farming
<Enter your own>
Education and Training
other
Timeline
AI Engineer
Freelance
08.2024 - Current
Software Engineer
HCL TECH
08.2013 - 07.2023
CAD Customization Engineer
HCL TECH( DAIMLER, VOLVO)
08.2013 - 07.2017
Bachelor of Engineering - Mechanical
BIT
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