Sumit Raj Singh

About Sumit Raj Singh

Results-oriented Data Analyst with 2+ years of experience in Deloitte India, bridging analytics and data engineering to deliver reliable, scalable business insights. Proficient in advanced SQL, Python (Pandas, NumPy), Power BI, and dimensional data modelling for EDA, KPI analysis, trend forecasting, and dashboard development. Experienced in designing and maintaining automated ETL workflows using Apache Airflow, Databricks, Spark, and AWS, with a strong focus on data quality, query optimisation and pipeline reliability. Adept at transforming raw data into actionable insights that support strategic and operational decision-making.I hold a degree in Electronics and Communication Engineering from the Vellore Institute of Technology (VIT), where I developed a strong foundation in analytical thinking, systems engineering, and the Internet of Things (IoT). My interest in connected systems led me to work on IoT-based projects, where I explored real-time data processing, device integration, and smart automation — all of which naturally sparked my transition into the world of data.I’m passionate about working at the intersection of data engineering and IoT, turning raw data into meaningful insights that drive smarter decisions and real-world impact.My technical toolkit includes:1. SQL & Python for automation and data transformation2. ETL tools & Data Warehousing for structured pipeline design3. Big Data technologies for high-volume processing4. AWS and cloud platforms for scalable deploymentI believe in continuous learning, clean architecture, and creating solutions that matter. Always curious. Always building.Let’s connect and build the future of data together.#Data Analyst #Deloitte #IoT #VIT #SQL #Python #ETL #AWS #BigData #SmartSystems #TechForImpact

Experience

1. Data Analyst

   Deloitte

   Nov 2023 — Present · Gurugram, IN

   At Deloitte, I worked as a Data Analyst supporting business stakeholders by transforming raw data into actionable insights through advanced analytics, automation, and reporting. Key Responsibilities & Achievements:1. Analysed large-scale structured datasets using SQL and Python (Pandas, NumPy) to identify trends, patterns, and performance gaps, enabling data-driven business decisions.2. Designed and maintained ETL pipelines using Apache Airflow and Databricks, ensuring reliable data ingestion, transformation, and scheduling.3. Developed interactive Power BI dashboards and reports to track KPIs, operational metrics, and business performance for senior stakeholders.4. Performed data validation, data quality checks, and reconciliation to ensure accuracy, consistency, and integrity across multiple data sources.5. Collaborated with cross-functional teams (business, engineering, and product) to translate business requirements into analytical solutions.6. Conducted exploratory data analysis (EDA) to uncover insights, anomalies, and improvement opportunities.7. Optimised SQL queries and data models to improve reporting performance and reduce processing time.8. Automated recurring reports and manual processes, improving efficiency and reducing operational effort.9. Supported ad-hoc analysis and root cause investigations to address business and operational challenges. Tech Stack:SQL | Python | Power BI | Apache Airflow | Databricks | ETL | Data Modeling | EDA | KPI Reporting | Data Quality

Education

• Our Lady of Fatima Hr. School

  High School

• St. fidelis Sr. Sec. School

  Intermediate, Physics, Chemistry, Mathematics

• Vellore Institute of Technology

  Bachelor of Technology - BTech, Electronics and Communications Engineering