Senior Data Scientist - AdTech (6-month Contract)

Ovii's Interpretation of the Role

We are looking for a senior data scientist to design, build and ship machine‑learning models at scale for an AdTech environment. The role is fully remote (India) on a 6‑month contract and requires deep expertise in Python, big‑data platforms and AWS cloud services.

Role Snapshot

• Senior Data Scientist (contract)
• Remote – India
• 5+ years data science experience
• End‑to‑end ML model production
• Big data & cloud (Spark, Hadoop, AWS)
• High ownership and delivery

Must-Have Requirements

• Python
• SQL
• ML/DL frameworks (TensorFlow, PyTorch, Scikit‑learn, Pandas)
• Big data platforms (Spark, Hadoop, Databricks)
• Workflow/orchestration (Airflow, AWS EMR)
• AWS cloud services (S3, Lambda, SageMaker, EC2)
• Query optimization & data pipeline design
• Data Science
• Applied Machine Learning
• Model production at scale
• Big data processing

Work Setup

• Location: India
• Work mode: REMOTE
• Remote scope: COUNTRY_RESTRICTED
• Remote countries: India
• Employment type: Contract
• Contract duration: 6 months

Not Specified in JD

• Visa sponsorship
• Salary range
• Relocation
• Notice period
• Security clearance
• Coding test

What You'll Likely Work On

• Design, build and deploy scalable machine‑learning models into production systems
• Develop predictive analytics using Python, SQL and ML/DL libraries
• Process large‑scale data with Spark, Hadoop and Databricks for model training
• Create automated pipelines with Airflow and AWS EMR
• Integrate models into cloud‑based applications on AWS
• Optimize query performance, storage usage and data pipelines
• Run end‑to‑end experiments from data preprocessing to model deployment
• Own initiatives independently and ensure business impact

Good Fit If You Have

• Strong problem‑solving ability
• High ownership and accountability
• Effective communication and cross‑functional collaboration