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SujithKumar01/README.md

Sujith Kumar Thangella

Machine Learning Engineer · Data Scientist · AI Engineer
Building intelligent systems from data to deployment — Berlin, Germany 🇩🇪

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👨‍💻 About

Results-driven ML Engineer with 1.5+ years of industry experience — a 7-month internship followed by a full-time role at Pinaca Technologies — building and shipping machine learning models for real-world audio intelligence systems. Proficient in statistical analysis, data visualization, predictive modeling and Python-based ML workflows.

Currently pursuing advanced studies in Data Science in Germany, and seeking a Werkstudent position to apply and expand that ML expertise in a real engineering environment.

🧠 Machine Learning & AI

Speaker diarization, neural noise suppression (GAN, DeepFilterNet, DTLN) and classification models — built, evaluated and run in production.

📊 Data & Analytics

Cleaning, feature engineering and statistical analysis in Python, communicated through Power BI dashboards non-technical stakeholders can read.

☁️ Cloud & Deployment

Containerised services with Docker on Linux, orchestrated with Kubernetes (K3s) on AWS EC2, shipped by a GitHub Actions pipeline that builds, publishes and rolls out on every push.


💼 Experience

Junior Machine Learning Engineer — Pinaca Technologies · Aug 2024 – Jul 2025 · Vijayawada, India

  • Engineered an end-to-end speaker diarization module for VIGOR, a production audio intelligence platform — designing a pipeline with precision labeling across dynamic audio streams and delivering consistent segmentation accuracy on large-scale real-world audio.
  • Architected and deployed multi-stage noise suppression using DeepFilterNet and a Deep Temporal Linear Network (DTLN), measurably improving audio clarity and production system performance.
  • Implemented precise speaker identification integrated with vector embedding databases, reducing false positives and increasing detection reliability in live audio streams.
  • Deployed and monitored containerised ML services with Docker on Linux, ensuring stable production operations.

Machine Learning Intern — Pinaca Technologies · Jan 2024 – Jul 2024 · Vijayawada, India

  • Researched GAN-based audio enhancement models, improving noise elimination and output quality — impact sufficient to earn promotion to a full-time engineering role.
  • Developed a binary audio classification model (clean vs. noisy) on open datasets from the University of Edinburgh repository, strengthening the quality assessment pipeline.
Earlier roles

Data Science Intern — Unified Mentor · Sep 2023 – Dec 2023 · Remote, India

  • Cleaned, preprocessed and feature-engineered large datasets with Python (Pandas, NumPy) for actionable business insights.
  • Built and evaluated classification and regression models (Scikit-learn) with measurable accuracy improvements over baseline.
  • Designed interactive dashboards in Matplotlib, Seaborn and Power BI for non-technical audiences.

ML & AI Intern — ExpertsHub · Jan 2021 · Bangalore, India

  • Designed and trained MLP models for handwritten digit image compression and decompression, achieving significant storage reduction while preserving visual fidelity.

🚀 Featured Projects

Project What it does Stack
CloudNotes
DevOps
Full-stack notes app deployed end to end on AWS: multi-arch Docker build, published to Docker Hub by GitHub Actions, rolled out to a K3s cluster on EC2 via kubectl set image. Flask · MySQL · Docker · GitHub Actions · Kubernetes (K3s) · AWS EC2
Local RAG Chatbot
AI
Ask questions of your own PDFs. Chunking → HuggingFace embeddings → ChromaDB retrieval → Llama 3 under Ollama, so answers stay grounded in the document. Runs fully locally. LangChain · ChromaDB · HuggingFace · Ollama · Llama 3
AI Assistant with Web Search
AI
Gives a local LLM live information: a question triggers a DuckDuckGo search, results flow through a LangChain prompt template, Llama 3 returns a concise grounded answer. LangChain · Ollama · Llama 3 · Streamlit · DuckDuckGo
Audio Classification
ML
Binary clean vs. noisy classifier — the quality gate ahead of the audio processing pipeline at Pinaca. Trained on open University of Edinburgh datasets. TensorFlow · Signal Processing · Jupyter
H1N1 Vaccine Prediction
ML
Heavily imbalanced survey data — SMOTE oversampling plus Precision/Recall/F1 evaluation instead of accuracy, improving minority-class prediction over the baseline. Scikit-learn · SMOTE · Pandas
HR Analytics
Data
Predicts employee promotion from HR data, paired with a Power BI layer that puts the drivers in front of non-technical stakeholders. Scikit-learn · Pandas · Power BI
Medicare Data Analysis
Data
TF-IDF vectorisation over free-text fields combined with EDA, correlation analysis and inferential statistics to surface actionable insights. NLTK · TF-IDF · SciPy
Also on GitHub
Project About Stack
Superstore Sales Dashboard Total sales, profit and quantity across the Superstore dataset. Power BI
HR Analytics — Attrition Attrition, job role and employee detail reporting. Power BI
Los Angeles Airbnb EDA Exploratory analysis of the LA Airbnb listings dataset. Python · Pandas
Telecom Churn Prediction Predicting churn from telecom customer data. Python · Scikit-learn
Movie Recommendation System A recommender built over a movie dataset. Python · Pandas
House Price Prediction Regression modelling over housing data. Python · Scikit-learn

🛠️ Tech Stack

Programming & Data

Python SQL Pandas NumPy Excel

Machine Learning & AI

TensorFlow Keras scikit-learn PyTorch Deep Learning NLP Computer Vision Audio Processing

Generative AI

LangChain RAG ChromaDB Ollama Llama 3 Hugging Face Streamlit

Data & Visualization

Power BI Tableau Matplotlib Seaborn

Cloud & DevOps

Docker Kubernetes GitHub Actions AWS EC2 Linux Bash Git

Databases

MySQL MongoDB Vector Embeddings


🔁 How I Ship — the CloudNotes pipeline

flowchart LR
    A[Developer<br/>local Flask] --> B[GitHub<br/>push to main]
    B --> C[GitHub Actions<br/>automated build]
    C --> D[Docker<br/>multi-arch image]
    D --> E[Docker Hub<br/>versioned artifacts]
    E --> F[Kubernetes<br/>K3s rolling update]
    F --> G[AWS EC2<br/>cluster compute]
    G --> H[(MySQL<br/>application data)]
Loading

🎓 Education & Certifications

B.Tech, Electronics & Communication Engineering — UCE Narasaraopet, JNTUK · 2018 – 2022
IEEE Member · Organiser of College Technical Fest · NSS Volunteer

PG Certificate, Data Analytics & Machine Learning — Imarticus Learning, Hyderabad · Nov 2022 – Aug 2023
Top 10 finish in the Imarticus Learning Hackathon (2023)

Certifications & languages

Certifications

  • PG Certificate in Data Analytics & Machine Learning — Imarticus Learning
  • Machine Learning using Python — Certified
  • Python Core — Sololearn
  • Robotics & Embedded Systems Workshop — IIT Hyderabad
  • Top 10, Imarticus Learning Hackathon (2023)

Languages

Language Level
Telugu Native · C2
Hindi C1
English B2–C1
German A1 · actively learning

🌱 Currently

  • Studying Data Science in Germany, and open to Werkstudent roles.
  • Going deeper on Generative AI, Agentic AI and LLM agent architectures.
  • Happy to collaborate on Data Science / AI projects and Cloud & DevOps automation.

📊 GitHub Stats

GitHub Stats Top Languages


Portfolio · LinkedIn · Email

Popular repositories Loading

  1. Telecom-Churn-data-Machine-learning Telecom-Churn-data-Machine-learning Public

    Jupyter Notebook

  2. HR-Analytics-POWERBI HR-Analytics-POWERBI Public

    This visualization file showcases the attrition, job role and employees details

  3. Superstore-Sales-Power-BI Superstore-Sales-Power-BI Public

    This visualization file showcases the Total sales, profit, quantity etc.,

  4. HR-Analytics-Is_promoted-Machine-Learning-and-PowerBI HR-Analytics-Is_promoted-Machine-Learning-and-PowerBI Public

    This visualization file showcases the employee promotion as an HR.

    Jupyter Notebook

  5. LosAngeles-AirBnb-EDA LosAngeles-AirBnb-EDA Public

    Jupyter Notebook

  6. Flu-Vaccine-Prediction-Machine-Learning Flu-Vaccine-Prediction-Machine-Learning Public

    Jupyter Notebook