VIGNESH MATHIYALAGAN

Data Engineer

Chennai, Tamil Nadu, India5 yrs 5 mos experience

Most Likely To Switch

Key Highlights

40% reduction in manual effort through automation.
15% improvement in processing efficiency achieved.
Developed cloud-based BI services for enhanced data accessibility.

Stackforce AI infers this person is a Data Engineer with expertise in cloud-based solutions and data architecture.

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Skills

Core Skills

Data ArchitectureEtlCloud ServicesData WarehousingBusiness IntelligenceData ModelingData Mining

Other Skills

Data ArchitectsPython (Programming Language)Data AccessibilitydbtPostgreSQLGoogle Cloud Platform (GCP)Extract, Transform, Load (ETL)Microsoft ExcelCustomer Relationship Management (CRM)DashboardData AnalysisMicrosoft Power BIData LoadingAmazon Web Services (AWS)Amazon QuickSight

About

Data engineer with 4+ years of experience delivering end-to-end data solutions across logistics, telecommunications, and manufacturing domains. Skilled in designing data warehouses, building scalable ELT/ETL pipelines, and developing analytical data models that support enterprise reporting and real-time analytics. Experienced in integrating cloud platforms such as Azure, GCP, and Snowflake, and proficient in Python, SQL, PySpark, DBT, and Databricks. Proven track record of improving efficiency and reliability through automation, workflow optimization, and performance tuning—achieving measurable gains including a 40% reduction in manual effort, a 15% improvement in processing efficiency, and a 30% increase in reporting accuracy. Adept at transforming raw data into impactful insights using Power BI, Zoho Analytics, Streamlit, and AWS QuickSight. Focused on building robust, scalable data ecosystems and continuously exploring advancements in automation, cloud engineering, and machine learning to drive data-driven decision-making.

Experience

5 yrs 5 mos

Total Experience

1 yr 4 mos

Average Tenure

2 yrs 5 mos

Current Experience

Wittur group

Data Engineer

Jan 2024 – Present · 2 yrs 5 mos · Sriperumbudur, Tamil Nadu, India · Hybrid

At WITTUR, I designed ETL processes that improved workflow efficiency by 20%. I developed cloud-based BI services, enhancing data accessibility for stakeholders. My work in creating dimensional data models and multi-layer ELT workflows increased processing efficiency by 15%. Automating data tasks with custom scripts reduced manual effort by 40%. Collaborating with the analytics team, I ensured alignment with business objectives, driving better project outcomes and data accessibility.

Data ArchitectsPython (Programming Language)Data ArchitectureETL

Wiz

Data Analyst

Jun 2023 – Jan 2024 · 7 mos · Chennai, Tamil Nadu, India · On-site

I developed a Data Warehouse and BI components at WIZ Freight, enhancing reporting for 80+ users. Optimizing the data architecture improved dataset processing efficiency. Data cleanup efforts boosted report accuracy by 30%. I created models and metrics for actionable insights and developed dashboards in AWS QuickSight, improving visibility into sales, bookings, and employee performance. My contributions supported key business decisions and improved operational efficiency.

dbtPostgreSQLData WarehousingBusiness Intelligence

Wisdom schema analytics

Data Analyst

Apr 2022 – Jun 2023 · 1 yr 2 mos · Chennai, Tamil Nadu, India

I developed data models at Wisdom Schema Analytics, that boosted data mining capabilities by 40%. I improved reporting solutions, enhancing data accessibility for end-users. My work in creating SQL views and stored procedures streamlined data extraction, improving overall team efficiency. By maintaining accurate data mapping and documentation, I ensured clear project requirements and contributed to faster decision-making, optimizing project timelines

Google Cloud Platform (GCP)Extract, Transform, Load (ETL)Data ModelingData Mining

Scotsgrad

Business Intelligence Consultant

Jan 2021 – Apr 2022 · 1 yr 3 mos · Chennai, Tamil Nadu, India

I maintained dashboards to track customer metrics, enabling strategic decision-making. Improved CRM data accuracy at ScotsGrad, resulting in a 20% increase in lead generation. My analysis of website traffic led to targeted marketing strategies that increased engagement. Streamlined data extraction and processing for marketing and sales teams, enhancing reporting efficiency and enabling timely business actions. This led to better resource allocation and more effective business operations.

Microsoft ExcelCustomer Relationship Management (CRM)Business Intelligence

Sightspectrum llc

Data Analyst

Aug 2020 – Dec 2020 · 4 mos · Chennai, Tamil Nadu, India

During my internship at Sight Spectrum, I worked on data processing and ETL projects that enhanced data reporting accuracy. I helped create visualizations that simplified complex data for internal teams. Collaborating with senior analysts, I contributed to process improvements, increasing overall team efficiency. This experience gave me valuable exposure to data engineering practices and laid the foundation for my career in data-driven solutions

Microsoft Power BIMicrosoft Excel