Loading Experience...

01
■ About MeThe Person Behind The Work

Data Scientist
& AI Engineer

I'm Simarjit — a Data Scientist and AI/ML Engineer who has just completed my MSc in Data Science, AI & Digital Business at GISMA University in Potsdam, Germany (thesis defended October 2026).

I build end-to-end ML pipelines, GenAI applications, and data products — from raw data ingestion through to deployed, hands-on systems. My work sits at the intersection of machine learning, LLMs, and business intelligence.

Before Berlin, I spent ~2 years at AISECT as a Data Analyst and Python Instructor — trained 50+ students in Python and ML. Full story in Experience below.

0+

Students Trained

0

Projects Shipped

~2yrs

Industry Experience

0

Certifications

Tools & Stack

PythonPyTorchTensorFlowHuggingFacescikit-learnSciPyStatsmodelsOpenCVFastAPILangChainDockerAWS EC2SQLPower BIPlotlyPandasNumPySeaborn

Quick Facts

Based InBerlin, Germany
UniversityGISMA — Potsdam
DegreeMSc Data Science & AI
AvailableFull-Time Roles
02
■ Selected Works10 Projects
Adversarial Robustness of Open-Source RAG Pipelines
LLM Security Research
MSc Thesis · 202605/2026 – 10/2026

Controlled benchmark of 3 attacks (indirect prompt injection, PoisonedRAG, Crescendo multi-turn jailbreak) against 4 open-weight LLMs (Llama-3.1-8B, Qwen3-8B, Phi-4-mini, Ministral-3-8B) in a FAISS-backed RAG pipeline, with 3 low-cost defences. Exact paired statistics (McNemar, Fisher, Holm-Bonferroni, bootstrap CIs) on RunPod A100 GPUs, mapped to EU AI Act Article 15. Only spotlighting showed a confirmed defensive effect, at a utility cost of about 0.28 F1.

3
Attacks
4
LLMs
3
Defences
PythonPyTorchHuggingFacevLLMFAISSDocker
View on GitHub ↗
GenAI Application
BookVault
012026

Dual-mode book discovery across a corpus of 10,000+ titles — natural language search via a custom RAG pipeline with semantic embeddings, plus OCR-based cover recognition from photo input.

PythonRAGDockerOCR
View on GitHub ↗
Data Analysis
E-Commerce Customer Behaviour
022026

EDA and hypothesis testing on a 4-table e-commerce dataset (10K customers, 45K transactions, 70K sessions) — 10 statistical tests (t-test, chi-squared, Pearson r), Cohen's d effect sizes, and business insights on discount impact, acquisition channels, and revenue trends.

PythonPandasSciPyPlotlySQLSeaborn
View on GitHub ↗
NLP Classification
Fake News Detection
032026

Three-model NLP comparison on WELFake — 72,134 news articles across 4 benchmark sources. TF-IDF feature extraction with Logistic Regression (96.22%), Random Forest (95.09%), and ANN (96.12%). Live prediction demo flags fabricated content at 99.97% confidence.

PythonTF-IDFscikit-learnTensorFlowNLP
View on GitHub ↗
Statistical Modelling
LCF Household Expenditure
042026

Weighted least squares regression on UK Living Costs & Food Survey 2013 (~4,000 households) — models household expenditure against occupational class, tenure type, and household composition using survey weights and HC3 robust standard errors. Validated across 9 robustness appendices.

PythonWLSStatsmodelsSciPyPandas
View on GitHub ↗
Predictive Modelling
Adani Ports Stock Prediction
052025

Time-series analysis of 5 years of daily ADANIPORTS equity data — built ARIMA and LSTM models, compared forecast accuracy (RMSE), and surfaced 3 actionable market trend signals.

PythonPandasTime-series
View on GitHub ↗
ML Pipeline
Cyber Threat Detection
062025

End-to-end NLP classification pipeline across 15+ threat categories — cut analyst triage time by 40% (~3h/day per analyst). Deployed as a production REST API with FastAPI.

PyTorchNLPFastAPI
View on GitHub ↗
Data Visualization
EU Fossil Fuel Subsidies
072025

Interactive policy dashboard across 27 EU member states — visualising €110B+ in annual fossil fuel subsidies with country-level drill-down. Built for policy researchers and journalists.

PythonPlotlyPandas
View on GitHub ↗
Computer Vision
Tomato Disease Detection
082025

Custom CNN trained on 54,000 images across 38 classes — achieved 98% test accuracy, then pruned and quantised for mobile deployment at <10MB model size.

TensorFlowOpenCVCNN
View on GitHub ↗
Computer Vision
Face Recognition Attendance
092023

Real-time attendance system recognising 50+ registered faces simultaneously from a live camera feed — eliminated 100% of manual roll-call entry for a 200-student cohort.

OpenCVface_recognitionPython
View on GitHub ↗
03
■ Experience2 Roles

01

July 2023 – September 2024

AISECT — Chhattisgarh, India

Junior Data Analyst & Python Instructor

  • Delivered 200+ hours of Python training (Pandas, NumPy, SQL, data visualization) to 50+ students
  • Built Python scripts and Jupyter Notebooks for data cleaning, EDA, and predictive modelling across 5+ ML pilot projects
  • Designed analytics curriculum covering ETL pipelines, feature engineering, statistical analysis, and SQL
  • Built Excel and Google Sheets dashboards to track student performance, generating insights that improved pass rates
  • Managed Git-based curriculum workflows for 50+ students, improving version control and reproducibility

02

July 2022 – December 2022

AISECT — Chhattisgarh, India

Python Intern

  • Assisted in Python lab sessions: debugging scripts and mentoring students
  • Built automated grading scripts and reporting pipelines — saved instructors 10+ hours/week
  • Contributed Python examples, data analysis case studies, and visualization workflows
04
■ EducationAcademic Background

September 2024 – November 2026

Thesis Defended

MSc Data Science, AI & Digital Business

GISMA University of Applied Sciences

Potsdam, Germany

July 2020 – June 2023

Graduated

Bachelor of Computer Applications

Kalinga University

Raipur, India

05
■ Skills & Certifications7 Categories

Technical Stack

Programming
PythonSQLRC++Google BigQueryDAX
AI & Machine Learning
PandasNumPyScikit-learnSciPyStatsmodelsTensorFlowKerasPyTorchHuggingFace TransformersOpenCVXGBoostNLPTF-IDFText ClassificationANNCNNRNN
LLMs & Generative AI
OpenAI APILangChainLlamaIndexRAG ArchitecturevLLMFAISSLLM red-teaming (prompt injectionjailbreaks)StreamlitFastAPI
Cloud & DevOps
AWS EC2Google CloudRunPod (A100 GPU orchestration)DockerLinuxGitCI/CDGitHub ActionsCloudflareNginx
Data Engineering
ETL pipeline designFeature engineeringEDAStatistical Hypothesis TestingTime-series analysisPaired significance testing (McNemarFisherbootstrap CIs)Data validationHyperparameter tuningCross-validationEU AI Act (Art. 15) robustness evaluation
Business Intelligence
Power BITableauMatplotlibSeabornPlotlyExcelGoogle Sheets
Databases
MySQLPostgreSQLSQLiteMongoDBBigQuery

Certifications

Languages

English
C1Professional
German
B1Continuous Learning
Hindi
Native
Punjabi
Native
06
■ Get In TouchOpen To Opportunities
Simarjit Singh

Simarjit Singh

Data Scientist · Berlin

GitHub↗LinkedIn↗Xing↗
Available · Berlin
I Am… *