Experience

Alignerr – Machine Learning Engineer (Freelance)

January 2025 – May 2025

  • Engineered constraint-based scheduling systems in Python, leveraging OR-Tools and Z3 for NP-hard problems.
  • Developed hybrid decision systems by integrating symbolic reasoning with machine learning.
  • Built validation and data curation scripts to test solver outputs across edge cases.

Outlier AI – Machine Learning Expert

August 2024 – December 2024

  • Improved predictive model accuracy by 20% through advanced ML optimization and feature engineering.
  • Automated image processing pipelines using OpenCV and deep learning for computer vision tasks.
  • Designed and optimized SQL queries for data extraction, transformation, and ML reporting.
  • Deployed scalable ML APIs (FastAPI, Flask); collaborated with data labelling teams for annotation management.

Technical Skills

Programming
  • Python (expert)
  • SQL
  • C/C++
  • Java
  • JavaScript
ML Frameworks
  • PyTorch
  • TensorFlow
  • Scikit-learn
  • Keras
  • OpenCV
  • NLTK, SpaCy
Computer Vision
  • CNNs, Transformers
  • YOLO architectures
  • Image processing
  • Data augmentation
  • t-SNE, embeddings
Data Engineering
  • Data wrangling, EDA
  • SQL querying
  • PostgreSQL
  • MongoDB
API Development
  • FastAPI
  • Flask
  • RESTful APIs
Cloud & DevOps
  • AWS, GCP
  • Docker
  • Kubernetes
  • Jenkins
  • Git, GitHub

Publications

  • SmartShop: Personalized Grocery Item Recommendation System ICONIC2023
    Yash Kumar, Hasib Ahmed, Himanshu Kumar Sinha
  • Prediction Model for Flight Fare: A Generic Review ETEMPS 2024
    Yash Kumar, Hasib Ahmed, Venkata Subhash

Education

Bachelor of Science in Information Technology
Lovely Professional University, Punjab
June 2021 – July 2024