JD – Streamlit Developer / Jr. Data Scientist

Experience:
2+ Years Work Mode: On-site

Location:
Bangalore Immediate joiners preferred Job Summary We are looking for a Streamlit Developer / Jr. Data Scientist with solid experience in Python, SQL, Snowflake, and Streamlit to support the development and maintenance of internal business applications. The role will focus on building multi-page Streamlit applications, developing interactive data components, writing and optimizing SQL queries against Snowflake, integrating data science model outputs into user-friendly applications, deploying applications across environments, and troubleshooting production issues. Must-Have Skills
• 2+ years of professional experience building data applications using Python.
• Strong hands-on experience with Streamlit and the ability to independently build and structure Streamlit applications.
• Strong SQL skills, including joins, window functions, and aggregations over large tables.
• Hands-on experience with Snowflake.
• Strong experience with the Python data stack, particularly pandas.
• Experience building multi-page Streamlit applications.
• Experience developing interactive data tables, editable inputs, pivot views, timeframe selectors, and metric cards.
• Understanding of Streamlit session state, caching, layout, and application performance.
• Experience deploying and migrating Streamlit applications across environments.
• Experience debugging production issues related to serialization, caching, session state, and performance.
• Experience with Git and standard code review practices.
• Ability to work independently from written requirements and effectively communicate when requirements need clarification. Good-to-Have Skills
• Experience with PySpark.




• Experience working with Databricks.
• Experience with e-commerce, retail, or CPG data.
• Experience demoing applications to non-technical business stakeholders.
• Experience working closely with Data Scientists to integrate model outputs into business applications.

Key Responsibilities
• Build and maintain multi-page Streamlit applications used by internal business teams.
• Develop application pages, tables, filters, charts, and interactive calculators on top of Snowflake data.
• Write SQL queries against Snowflake to power application views and optimize queries for improved page performance.
• Build interactive components such as filterable data tables, editable inputs that trigger recalculation, pivot views, custom timeframe selectors, and metric cards.
• Work closely with Data Scientists to transform model outputs into intuitive and user-friendly applications for non-technical stakeholders.
• Deploy and migrate Streamlit applications across different environments.
• Debug and resolve production issues, including serialization errors, caching behavior, session state issues, and performance challenges with large result sets.
• Apply appropriate Streamlit session state and caching techniques to ensure reliable application behavior.
• Participate in Git-based development and standard code review processes.
• Work from written requirements with minimal supervision and proactively communicate any gaps or concerns in requirements.
• Support application enhancements and maintenance based on business user needs. Qualification
• Bachelor's degree in Computer Science, Information Technology, Data Science, Engineering, or a related discipline.
• Professional experience in Python-based data application development is required.

📌 Streamlit Developer (Bengaluru)
🏢 D Square Consulting Services
📍 Bengaluru