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[Remote] Senior Data Scientist

Remote · Hong Kong Full-time

Note: The job is a remote job and is open to candidates in USA. Quantiphi is an award-winning, AI-First global digital engineering company that helps the world’s leading Fortune 1000 organizations transform bold ideas into measurable business impact. The Senior Data Scientist will drive predictive analytics and machine learning initiatives, focusing on building scalable, production-ready ML solutions across various domains while ensuring measurable business impact.

Responsibilities

  • Lead end-to-end data science initiatives for predictive analytics use cases such as demand forecasting, churn prediction, and risk modeling
  • Translate business requirements into ML problem statements and define appropriate modeling approaches
  • Design, build, and deploy machine learning models using traditional ML techniques (regression, classification, clustering, time series)
  • Drive feature engineering, data preparation, and exploratory data analysis to improve model performance
  • Develop and manage scalable ML pipelines from data ingestion to model deployment
  • Deploy and manage models on AWS using services such as SageMaker
  • Ensure model performance through validation, monitoring, and periodic retraining
  • Collaborate with data engineering and MLOps teams to productionize ML solutions
  • Apply best practices for model governance, explainability, and responsible AI
  • Mentor junior data scientists and provide technical leadership while remaining hands-on
  • Communicate insights, model outputs, and recommendations effectively to business stakeholders

Skills

  • 8+ years of relevant hands-on technical experience implementing, and developing cloud solutions on AWS
  • Strong experience leading predictive analytics initiatives using traditional ML techniques including regression, classification, clustering, and time series forecasting
  • Hands-on experience with time series forecasting models including SARIMA, Prophet, and other ML-based forecasting approaches
  • Proficiency in Python with experience in libraries such as scikit-learn, XGBoost, Pandas, NumPy
  • Knowledge of a variety of machine learning techniques (Supervised/unsupervised etc.) (clustering, decision tree learning, artificial neural networks, etc.) and their real-world advantages/drawbacks
  • Proven ability to translate complex business problems into scalable ML solutions, driving feature engineering strategies and end-to-end model development
  • Hands-on experience on AWS Machine Learning services. Proven experience using AWS Sagemaker leveraging different types of data sources, Training jobs, real-time and batch Inference, and Processing Jobs
  • Experience leading model deployment on AWS SageMaker with a strong focus on performance optimization, model governance, and measurable business impact
  • Implement and manage MLOps based model lifecycle and best practices for ML architecture in production environments
  • Experience with at least one of the workflow orchestration tools, Airflow, StepFunctions, SageMaker Pipelines, Kubeflow etc
  • Ability to create end to end solution architecture for model training, deployment and retraining using native AWS services such as Sagemaker, Lambda functions, etc
  • Experience in building model monitoring and explainability workflows in production environments
  • Experience defining and driving model governance frameworks and performance monitoring strategies in production environments
  • Ability to collaborate with cross-functional teams such as Developers, QA, Project Managers, and other stakeholders to understand their requirements and implement solutions
  • Experience with Generative AI development
  • Experience working on Infrastructure as Code (IaC) and CI/CD pipelines

Benefits

  • Join one of the world’s fastest-growing AI-first digital engineering companies and make a real impact at scale.
  • Lead and collaborate with a high-energy team of talented, driven individuals solving complex, meaningful challenges.
  • Work with Fortune 500 companies and disruptive innovators in a research-driven environment with 60+ patents.
  • Stay ahead of the curve by gaining hands-on experience with cutting-edge AI, ML, data, and cloud technologies while continuously upskilling.

Company Overview

  • Quantiphi is a digital engineering company that provides data science and machine learning software and services. It was founded in 2013, and is headquartered in Marlborough, Massachusetts, USA, with a workforce of 1001-5000 employees. Its website is http://www.quantiphi.com.
  • Company H1B Sponsorship

  • Quantiphi has a track record of offering H1B sponsorships, with 2 in 2026, 45 in 2025, 65 in 2024, 45 in 2023, 94 in 2022, 71 in 2021, 46 in 2020. Please note that this does not guarantee sponsorship for this specific role.
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