Sahishnuta Tosh
I am Sahishnuta Tosh, a data professional with a strong foundation in data science and engineering, supported by an active work permit until 2027.
About
I am Sahishnuta Tosh, a data professional with a strong foundation in data science and engineering, supported by an active work permit until 2027. I specialize in building rigorous ML/AI solutions and scalable data pipelines, and I thrive in collaborative teams, turning complex data into actionable insights that improve client experiences and product outcomes.
My experience spans multinational tech and consulting firms across France, India, and beyond — from developing end-to-end GenAI chatbots to deploying ETL pipelines, Delta Lake architectures, and forecasting models. I am proficient in Python, PySpark, TensorFlow, PyTorch, SQL, and cloud-based data platforms (Azure, Snowflake) along with visualization tools (Tableau, Power BI). I am passionate about innovation, problem solving, and clear communication, with a track record of enabling data-driven decisions.
- 7 years' experience
- Joined June 2024
Languages
- EnglishFluent
- FrenchAdvanced
Industry experience
- Media & Entertainment
- Financial Services
- Travel & Hospitality
- Healthcare
Work experience· 5 roles
Developed an end-to-end GenAI chatbot solution addressing mental health challenges (depression, anxiety). Implemented prompt strategies, integration with retrieval-augmented generation, and deployed the model via a scalable API, achieving approximately 30% efficiency gains for the client.
Enhanced passenger traffic forecasting by refining data workflows, performing EDA, data cleaning, transformation, and validation; built scalable ML workflows with PySpark (SparkML) to improve explainability and forecast accuracy; conducted A/B testing.
Created a data collection framework using Python and SQL; developed an ETL pipeline to analyze claims data and segment customers; designed Delta Lake architecture on ADLS Gen 2 with bronze, silver, and gold layers; transformed raw data with Databricks and Synapse Analytics and integrated the Gold layer with Power BI; automated data workflows with Azure tools; built a Customer Lifetime Value model for marketing and CRM.
Education
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