Apoorv Singh-AI Interviewer
Check rate
Experience
AI Interviewer
- Built an AI Research Assistant with RAG, LangChain, LangGraph, and OpenAI LLMs integrated with vector search.
AI Engineer
Thoughtspot
- Engineered a Python/FastAPI framework to benchmark LLM NLP-to-TML accuracy.
- Built RAG benchmarks (LangChain, FAISS) to test TML document retrieval versus the base model.
- Deployed Langfuse tracing and Grafana monitoring; reduced failure analysis time by 40%.
- Classified TML query error patterns, identifying key weaknesses in model generation.
- Used failure analysis data to drive prompt engineering, increasing accuracy by 15%.
- Built a LangChain agent (Docker/FastAPI) to automate error log classification.
Data Engineer
SagasIT Analytics
- Architected AWS Redshift and PySpark/Glue ETL for 10 million+ records; cut query latency by 60%.
- Engineered 80+ n8n/Make/Zapier/Power Automate workflows for GenAI & Agents across more than 5 social APIs; slashed lead processing time by 99%.
- Deployed a Dockerized PyTorch recommender system (FastAPI) on Kubernetes (EKS); boosted CTR by 25%.
- Built an Airflow batch-inference K-Means pipeline with auto-retraining; improved conversion by 20%.
- Delivered a Power BI dashboard and PowerApps HITL system for on-demand triggers; sped up decision-making by 30%.
Data Analyst
SkillCat Ltd
- Developed a sales forecasting model and executive GDS dashboards; identified key market drivers that informed a 28% revenue growth strategy.
- Built a Selenium/BS4 scraper for US government sites for regulatory and job trends; automated Python reports to drive course updates.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology and Education.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Business Intelligence, Research and Development, and Product Development.
Summary
Hands-on AI Engineer (Master's Student) with experience in building, prototyping, and deploying intelligent systems for the startup ecosystem. My primary focus is engineering autonomous AI agents and advanced RAG pipelines using LangChain and LLMs to solve complex automation challenges. I back this with 3.5 years of experience in production-ready data engineering, building robust ETL pipelines and managing the end-to-end model lifecycle to scale solutions with Docker, Python, SQL, and cloud platforms (AWS/Azure).
Skills
- Genai & Agents: Ai Agents, Rag, Llm Validation, Prompt Engineering, Langchain, Llamaindex, Langfuse, Vectordbs (Pinecone, Chromadb, Faiss)
- Mlops & Data Engineering: Python, Pytorch, Tensorflow, Docker, Kubernetes (Eks), Fastapi, Airflow, Pyspark, Sql
- Cloud & Platforms: Aws, Azure, Gcp, Vertex Ai, Git, Jira, Confluence, Figma
- Professional Competencies: Proactive, Hands-On Prototyping, Collaboration, Client-Facing Communication & Automation
Languages
Education
IU International University of Applied Sciences
Master of Science · Data Science · Berlin, Germany
RV College of Engineering
Bachelor of Engineering · Bengaluru, India
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Apoorv is based in Berlin, Germany.
Apoorv speaks the following languages: English (Elementary).
Apoorv has at least 5 years of experience. During this time, Apoorv has worked in at least 4 different roles and for 3 different companies. The average length of individual experience is 1 year and 3 months. Note that Apoorv may not have shared all experience and actually has more experience.
Based on recent experience, Apoorv would be well-suited for roles such as: AI Interviewer, AI Engineer, Data Engineer.
Apoorv's most recent position is AI Interviewer.
In recent years, Apoorv has worked for Thoughtspot, SagasIT Analytics, and SkillCat Ltd.
Apoorv is most experienced in industries like Information Technology and Education.
Apoorv is most experienced in business areas like Information Technology, Business Intelligence, and Product Development. Apoorv also has some experience in Research and Development.
Apoorv holds a Master in Data Science from IU International University of Applied Sciences and a Bachelor from RV College of Engineering.
The availability of Apoorv needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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