Shyam Sundar Rampalli - GenAI Engineer for Semantic Search

Q: Where is Shyam Sundar based?

Shyam Sundar is based in Berlin, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Shyam Sundar speak?

Shyam Sundar speaks the following languages: Telugu (Native), English (Advanced), German (Intermediate), Hindi (Intermediate) .

Q: How many years of experience does Shyam Sundar have?

Shyam Sundar has at least 7 years of experience. During this time, Shyam Sundar has worked in at least 4 different roles and for 5 different companies . The average length of individual experience is 1 year and 2 months . Note that Shyam Sundar may not have shared all experience and actually has more experience.

Q: What is Shyam Sundar's latest experience?

Shyam Sundar's most recent position is GenAI Engineer at Freelance .

Q: What companies has Shyam Sundar worked for in recent years?

In recent years, Shyam Sundar has worked for Freelance , LICIT Lab at Université Gustave Eiffel , Bosch Limited , TUM Asia , and Nanyang Technological University .

Q: Which industries is Shyam Sundar most experienced in?

Shyam Sundar is most experienced in industries like Education , Government and Administration , and Retail . Shyam Sundar also has some experience in Automotive .

Q: Which business areas is Shyam Sundar most experienced in?

Shyam Sundar is most experienced in business areas like Research and Development , Information Technology , and Business Intelligence . Shyam Sundar also has some experience in Product Development .

Q: Which industries has Shyam Sundar worked in recently?

Shyam Sundar has recently worked in industries like Education , Government and Administration , and Retail .

Q: Which business areas has Shyam Sundar worked in recently?

Shyam Sundar has recently worked in business areas like Research and Development , Information Technology , and Business Intelligence .

Recommended expert

Berlin, Germany

Check rate

Experience

Aug 2025 - Present

1 year 1 month

Berlin, Germany

Hybrid

GenAI Engineer

Freelance

Built a hybrid semantic and keyword search and LLM-based requirement extraction from conversational queries, boosting search accuracy by 85%, cutting zero-result searches by 70%, and reducing search time by 60%.
Deployed a production-ready API with monitoring dashboards over 100K+ products, keeping response times under 2s and reducing customer search-to-purchase time by 40%.
Technologies: Python, BGE-M3, Qwen2.5, FastAPI, Qdrant, Meilisearch, Docker, Prometheus, vLLM.

Jun 2024 - Jul 2025

1 year 2 months

Lyon, France

Data Scientist

LICIT Lab at Université Gustave Eiffel

Built an NLP pipeline using BERT and Llama 2 to extract and summarize critical information from disaster reports.
Applied LoRA fine-tuning and prompt engineering to adapt models for structured summarization and entity extraction.
Produced concise, real-time summaries, improving incident-processing speed by 40%, reducing manual analysis effort by 55%, and accelerating decision-making latency by 30% across disaster-response workflows.
Technologies: BERT, Llama 2, LoRA, PyTorch, Transformers, AWS, MLflow, FastAPI, Docker, GitHub Actions, CI/CD Pipelines, S3.

Jan 2024 - May 2024

5 months

Bengaluru, India

Data Scientist

Freelance

Built an end-to-end ETL and clickstream A/B testing framework to optimize checkout flows, reducing analysis time by 30%.
Processed ~200k–300k events for funnel and drop-off analysis and trained Random Forest and XGBoost models, achieving a ROC-AUC of 0.82 and 15% higher precision in conversion prediction.
Technologies: Python, Pandas, scikit-learn, XGBoost, Git, AWS Lambda, S3, FastAPI, GitHub Actions, PostgreSQL, Docker.

Nov 2022 - Jan 2024

1 year 3 months

Bengaluru, India

Data Scientist

Bosch Limited

Built a cloud-based AI pipeline using YOLOv6 on SageMaker to automatically detect traffic violations from city video feeds, improving detection accuracy by 30% and vehicle identification by 21%.
Automated video processing with Lambda triggers for inference on new S3 uploads and real-time aggregation of results.
Added a GDPR-compliant anonymization plugin that masks faces and license plates using YOLOv6 and OpenCV, ensuring privacy while maintaining analytics accuracy.
Streamlined model updates and deployment with CI/CD, ensuring consistent and scalable operations.
Technologies: Python, YOLOv6, PyTorch, OpenCV, AWS Lambda, S3, SageMaker, CI/CD, GitHub Actions, Docker, FastAPI.

Sep 2021 - Oct 2022

1 year 2 months

Singapore

Data Scientist / Analyst

TUM Asia

Developed real-time traffic dashboards using city-wide camera feeds, enabling planners to monitor traffic flow and congestion effectively.
Processed data from 11 urban locations and generated actionable insights for traffic management.
Applied unsupervised clustering on GPS data to identify travel patterns, contributing to 15% cost savings in public transit planning.
Technologies: Python, Matplotlib, Plotly, PostgreSQL.

Oct 2019 - Sep 2021

2 years

Singapore

Research Associate / Data Analyst

Nanyang Technological University

Analyzed GPS data from a bike-sharing service to improve user satisfaction and operational efficiency.
Increased bike-sharing usage time by 18% through pattern recognition and optimized service allocations.
Designed interactive dashboards using Plotly for real-time performance tracking.
Technologies: Python, SQL, Plotly, Data Analysis.

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Education, Government and Administration, Retail, and Automotive.

Education

Government and Administration

Retail

Automotive

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Research and Development, Business Intelligence, and Product Development.

Information Technology

Research and Development

Business Intelligence

Product Development

Skills

Data Science (5 Years Of Project Experience)
Machine Learning (5)
Python (5)
Nlp (2)
Pytorch (3)
A/B Testing (2)
Causal Inference (2)
Statistical Analysis (3)
Computer Vision (2)
Sci-Kit Learn (5)
Seaborn (4)
Pandas (5)
Numpy (5)
Flask (2)
Sql (5)
Aws (3)
Postgresql (4)
Opencv (2)
Yolo (2)
Plotly (3)
Matplotlib (4)
Docker (3)
Sagemaker (3)
Ci/Cd Pipelines (3)
Deep Learning (3)
Data Visualization (4)
Random Forest (2)
Xgboost (3)
Agile (4)
Git (5)
Mlflow (3)
Fastapi (3)
Etl Pipelines (5)
Dynamodb (2)
Llm (2)

Languages

Telugu

Native

English

Advanced

German

Intermediate

Hindi

Intermediate

Education

Jul 2017 - Jun 2019

Technical University of Munich

Master of Science · Munich, Germany

Certifications & licenses

IBM Certified Data Scientist

IBM

Statistics

Experience

Total positions 6

Experience in Education 3 y

Avg length 1 y 1 m

Longest experience 1 y 11 m

Global Experience

Countries worked in 4 (India, Singapore, Germany, France)

Primary country India

Expertise

Recent roles GenAI Engineer, Data Scientist, Data Scientist / Analyst

Main industries Education, Government and Administration, Retail

Main business areas Information Technology, Research and Development, Business Intelligence

Qualifications

Highest degree Master

Certifications earned 1

Profile

Created

November 2025

Last Update

December 2025

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Frequently asked questions

Have questions? Find more information here.

Shyam Sundar is based in Berlin, Germany and can operate in on-site, hybrid, and remote work models.

Shyam Sundar speaks the following languages: Telugu (Native), English (Advanced), German (Intermediate), Hindi (Intermediate).

Shyam Sundar has at least 7 years of experience. During this time, Shyam Sundar has worked in at least 4 different roles and for 5 different companies. The average length of individual experience is 1 year and 2 months. Note that Shyam Sundar may not have shared all experience and actually has more experience.

Based on recent experience, Shyam Sundar would be well-suited for roles such as: GenAI Engineer, Data Scientist, Data Scientist / Analyst.

Shyam Sundar's most recent position is GenAI Engineer at Freelance.

In recent years, Shyam Sundar has worked for Freelance, LICIT Lab at Université Gustave Eiffel, Bosch Limited, TUM Asia, and Nanyang Technological University.

Shyam Sundar is most experienced in industries like Education, Government and Administration, and Retail. Shyam Sundar also has some experience in Automotive.

Shyam Sundar is most experienced in business areas like Research and Development, Information Technology, and Business Intelligence. Shyam Sundar also has some experience in Product Development.

Shyam Sundar has recently worked in industries like Education, Government and Administration, and Retail.

Shyam Sundar has recently worked in business areas like Research and Development, Information Technology, and Business Intelligence.

Shyam Sundar holds a Master from Technical University of Munich.

Shyam Sundar has 1 certificate: IBM Certified Data Scientist.

Shyam Sundar is immediately available full-time for suitable projects.

Shyam Sundar's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

To hire Shyam Sundar, click the Meet button on the profile to request a meeting and discuss your project needs.

Daily Rate Distribution

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Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for similar positions

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1200

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Daily rate avg. 940 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1200

900

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Median rate 1000 €

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.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.