Senior Data Analyst | Business Intelligence | SQL | Python | Power BI | Data Quality | ESG Analytics | Driving Data-Driven Decision Making





Master of Science - MS, Data science
Liverpool John Moores University

PGDM, Data science
International Institute of Information Technology Bangalore
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Download Tal BossSenior Data Analyst | Business Intelligence | SQL | Python | Power BI | Data Quality | ESG Analytics | Driving Data-Driven Decision Making
Senior Data Analyst with 4+ years of experience delivering business intelligence, data analytics, reporting automation, and data quality solutions across global organizations. Currently working with ISS STOXX, where I analyze large-scale ESG and workflow datasets, develop automated validation frameworks, build KPI dashboards, and support data-driven decision-making for business stakeholders. My experience includes SQL-based analytics, Python automation, Power BI reporting, root cause analysis, and data governance initiatives that improve operational efficiency and reporting accuracy. Previously at Cognizant, I developed automation frameworks, optimized reporting processes, and implemented scalable data validation solutions that significantly reduced manual effort and improved business outcomes. Key Areas of Expertise: • Business Intelligence & Reporting • SQL & Data Analytics • Python Automation • Power BI Dashboard Development • Data Quality & Validation • KPI Reporting & Performance Analysis • Root Cause Analysis • ESG Data Analytics • Stakeholder Management I enjoy transforming complex datasets into actionable business insights and building analytical solutions that enable smarter, faster decision-making.
Pune/Pimpri-Chinchwad Area
Associate - Data Analyst at ISS | Institutional Shareholder Services, Jan 2026 - Present · 9 mos, • Built an LLM-powered sentiment analysis pipeline for Jira workflows to analyze issue comments and status transitions and evaluate defect resolution performance. • Developed automated data pipelines using Python and Atlassian APIs to extract Jira issues, transitions, comments, and linked issue data at scale. • Implemented multi-threaded processing to analyze thousands of Jira tickets efficiently and generate structured event timelines for LLM analysis. • Designed custom LLM prompts combining workflow transitions and comment data to generate sentiment scores and explanations for defect handling quality. • Automated data extraction and reporting processes, improving analysis efficiency and reducing manual effort. • Worked extensively with Python, APIs, data processing, and workflow analytics to transform unstructured Jira data into actionable insights.
Analyst at ISS | Institutional Shareholder Services, Jul 2024 - Dec 2025 · 1 yr 6 mos
Software Engineer at Cognizant, Aug 2022 - Mar 2024 · 1 yr 8 mos, • Effectively transitioned Python scripts, upgrading them from Python 2.7 to Python 3.9 • Worked closely with internal teams to create software design and architecture • Accomplished the migration of TWIST Framework test cases to Robot Framework • Formulated and executed specific keywords tailored for diverse purposes • Offered support for the existing system, efficiently addressing and resolving bugs and issues
Programmer Analyst at Cognizant, Dec 2021 - Aug 2022 · 9 mos, • Frontend Development: Utilized React.js, HTML5, and CSS to create an intuitive and responsive user interface. • Backend Development: Employed MySQL for efficient data storage and management. • Integration: Ensured seamless communication between frontend and backend components. • Collaboration: Worked closely with a team of developers to implement features and resolve issues. • Problem-Solving: Applied analytical thinking to troubleshoot and optimize system performance. This experience honed my skills in full stack development and reinforced my ability to build robust, scalable web applications.
Master of Science - MS, Data science, Liverpool John Moores University
PGDM, Data science, International Institute of Information Technology Bangalore