Testimonials
He’s really humble and kind, gave me a great insight on my resume review process.
The Information That I got from this session was so helpful and it cleared my all doubt about the job Hunting. It gave me a clearer perspective on the path ahead. Thank you again for your time Harbhajan Bhai Looking forward to staying in touch with you.
I had a mentorship session with Harbhajan, and their concise, resourceful advice for my job search was extremely valuable.
Had a great session with Harbhajan Singh! His hacks were truly insightful and unique gave me a fresh perspective on navigating my career path. The resume recommendations were especially helpful and actionable. Highly recommend connecting with him!
Services
Video meeting . 20 mins
5
1:1 Mentorship
Kickstart your career in data related field!
Video meeting . 15 mins
5
Career guidance
Start your careers in data related field!
Video meeting . 15 mins
5
Resume review
Get expert feedback on your resume to stand out!
Video meeting . 20 mins
5
Quick chat about Startup and Entrepreneurship
Ask me anything about data related startups and ideas!
About me
I am a Senior Data Scientist & AI Engineer with over 6 years of experience building end-to-end Machine Learning architectures, production LLM systems, and data-driven solutions. Certified by Microsoft and Databricks, I specialize in taking AI systems from research and prototyping straight into scalable, real-world deployment.
Whether you're looking to break into Data Science & AI, master Generative AI and agentic frameworks, optimize your MLOps pipeline, or build AI-driven products, I’m here to help you navigate the evolving tech landscape.
🎯 Core Technical Expertise
Generative AI & LLMs: Agentic AI Systems, RAG Architecture, Prompt Engineering, Fine-Tuning, Fine-Tuned Local Models (Llama, Qwen, Mistral)
Machine Learning & NLP: Computer Vision, Predictive Modeling, Time Series Forecasting, Deep Learning (PyTorch, TensorFlow)
MLOps & Infrastructure: LLMOps, Vector DBs (ChromaDB, Pinecone, Qdrant), Databricks, MLflow, Docker, FastAPI, Cloud (Azure & GCP)
Data Analytics & Visualization: SQL, PySpark, Power BI, Tableau, Advanced Analytics
💡 How I Can Help You on Topmate
1:1 Career Guidance & Transition: Step-by-step roadmaps to transition into Data Science, Machine Learning, or AI Engineering.
Resume & Portfolio Reviews: Make your profile stand out to recruiters with project positioning that highlights real business impact.
AI Project & Architecture Strategy: Technical consulting on building LLM agents, RAG applications, vector search, and scalable ML pipelines.
Mock Interviews: Technical and behavioral interview preparation tailored to modern AI/ML roles.
📫 Let’s Connect & Elevate Your AI Journey!
🌐 Portfolio: harbhajan21.github.io/portfolio/
📧 Email: harbhajan2105@gmail.com
- https://topmate.io/topusers/skilled-analystshttps://topmate.io/topusers/skilled-analysts
