Sr. Data Scientist

Charger Logistics Inc

$110K — $130K *
Transportation
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree or equivalent in Data Analytics, Statistics, Mathematics, or Computer Science.
  • 6+ years of hands-on experience in data science and ML/AI, especially in production environments.
  • Strong proficiency in Python and relevant libraries such as Pandas, NumPy, Scikit-learn, and PyTorch.
  • Advanced SQL skills, including CTEs and window functions, with a focus on query optimization.
  • Experience with Google Cloud tools, especially Vertex AI and BigQuery, for model deployment and data modeling.
  • Knowledge of anomaly detection and time-series forecasting is essential.
  • Familiarity with streaming data platforms like Kafka and RisingWave.

Responsibilities

  • Design and deploy ML models for fleet optimization focusing on areas like route optimization and predictive maintenance.
  • Build models for anomaly detection and demand forecasting to enhance operational efficiency.
  • Develop low-latency ML pipelines using Kafka and cloud services for real-time analytics.
  • Integrate advanced LLMs for conversational analytics and automated insights deployment.
  • Manage MLOps workflows on Google Cloud for model training, monitoring, and performance assessments.
  • Create and optimize robust data pipelines for ML and analytics initiatives with various Google Cloud services.
  • Conduct exploratory data analysis to identify trends and business insights.

Benefits

  • Competitive Salary
  • Healthcare Benefit Package
  • Career Growth
Full Job Description
We are looking for a Sr. Data Scientist to develop, deploy, and scale machine learning (ML) and AI solutions for fleet analytics, logistics optimization, and operational decision-making. This is a hands-on role focusing on production-grade ML, real-time and streaming analytics, and AI-driven decision systems built on cloud platforms, including Google Cloud, Kafka, and RisingWave.

Responsibilities:
  • Design, develop, and deploy production-grade ML models for fleet optimization, including route optimization, ETA prediction, fuel efficiency, capacity planning, predictive maintenance, and driver behavior analysis.
  • Build anomaly detection, forecasting, and time-series models to monitor vehicle health, trip deviations, fuel theft, and demand fluctuations.
  • Develop batch and real-time ML pipelines with low-latency inference using Kafka, RisingWave, and cloud services.
  • Integrate large language models (OpenAI, Google MCP, Ollama, Hugging Face) for conversational analytics, automated insights, and retrieval-augmented generation (RAG) systems.
  • Operate MLOps workflows on Google Cloud using Vertex AI Pipelines, Feature Store, and Model Registry, supporting model training, deployment, monitoring, and drift detection.
  • Build and optimize end-to-end data pipelines for analytics and ML using BigQuery, Dataflow, Dataproc, Vertex AI, Cloud Functions, Pub/Sub, and Cloud Composer (Airflow).
  • Design scalable analytical data models in BigQuery, AlloyDB PostgreSQL, and Snowflake; optimize SQL-based feature engineering, data partitioning, and clustering.
  • Perform exploratory data analysis (EDA) to uncover trends, anomalies, and business insights.
  • Build dashboards and visualizations for stakeholders.
  • Collaborate with cross-functional teams to translate business problems into robust data science solutions.
  • Support best practices in model development, experimentation, documentation, and data governance.

Requirements
  • Bachelor's degree or equivalent in Data Analytics, Statistics, Mathematics, or Computer Science.
  • 6+ years of hands-on experience in data science and machine learning/AI, delivering production-grade ML solutions.
  • Strong experience in Python, including libraries such as Pandas, NumPy, Scikit-learn, PyTorch, TensorFlow, XGBoost, and LightGBM.
  • Advanced SQL skills, including CTEs, window functions, and query optimization.
  • Hands-on experience with Google Cloud, including Vertex AI (training, pipelines, deployment, feature store) and BigQuery (data modeling, performance tuning).
  • Experience with streaming platforms (Kafka, RisingWave) and Snowflake.
  • Knowledge of anomaly detection, time-series forecasting, optimization, and applied statistical modeling.
  • Experience deploying and monitoring ML models in production, including testing, and working with ETL/orchestration tools like Matillion, Airflow, and Cloud Composer.
  • Familiarity with advanced ML and AI techniques, including LLMs, geospatial or graph ML, computer vision, and GPS data analysis.
  • Solid understanding of knowledge retrieval patterns including RAG (Retrieval-Augmented Generation), with familiarity of emerging approaches like KAG (Knowledge-Augmented Generation) and CAG (Cache-Augmented Generation).
  • Experience with Azure, AWS, GCP, Databricks, or multi-cloud deployments is a plus.
  • Excellent communication and problem-solving skills, with the ability to thrive in fast-paced environments.
  • Certifications: Google Cloud Professional Data Engineer or Machine Learning Engineer is an asset; SnowPro® Advanced: Data Scientist certification preferred.

Benefits
  • Competitive Salary
  • Healthcare Benefit Package
  • Career Growth

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