Denis Mezin

About Denis Mezin

Results-driven professional with 13+ years of experience in Data Engineering, Software Development, Business Systems Analysis, and Data Analytics across all phases of the Software Development Life Cycle (SDLC). Experienced with a wide range of technologies and able to quickly adapt to new ones.Areas of expertise include:Data Engineering: ETL, data pipelines, APIs, big data analysis, data visualization, and reportingBusiness & Systems Analysis: Requirement gathering, use case/test case development, business process modeling, and automation.Software Development & Optimization: Managing change requests, issue resolution, system enhancement, and process automation.Tools & Technologies: SQL, JavaScript, React, Node.js, Python, Tableau, MS Office, SharePoint, Amazon Web Services (AWS), SAP IBP, TM1, O9, Airflow, Spark, AutosysDatabase Management Systems: Teradata, MySQL, MS SQL Server, Snowflake, HiveProject Management Tools: Confluence, ServiceNow, VersionOne, MS Project, Jira, SharePointSDLC Methodologies: Agile, SAFe, WaterfallLanguages: English, Russian, French

Experience

1. Senior Data Engineer

   Cognizant

   May 2022 — Present · Portland, OR, US

   Nike Technology / Demand & Supply Management (DSM)/ Inventory Management - Design and development of data pipelines for critical reports (migration to different systems)- Was involved in the design and implementation phase of building E2E Inventory Management and Forecasting solution- Deployment activities coordination, regression, and performance testing- DAGs/Processes/Batch jobs performance monitoring, analysis, and tuning- Design, development, and testing of various ETL processes using Pyspark, SQL, AWS, Hive, and other tools- Worked with TPM and business users on identifying areas of improvement, and design sessions.

Education

• University of California, Berkeley

  Certificate Program in Software Development and Programming

  2018 — 2020

• National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)

  BS and MS Degree in Engineering (WES Evaluated and Approved), Experimental and Theoretical Physics

  2002 — 2008

• National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)

  BS Degree in Economics (WES Evaluated and Approved), Economics and operation of business

  2005 — 2009

Skills

• Online Marketing
• Strategic Planning
• Project Management
• Financial Analysis
• Market Research
• Software Development Life Cycle (Sdlc)
• Business Process
• Business Process Improvement
• Marketing
• Competitive Analysis
• Sales
• Business Intelligence
• Business Strategy
• Python
• Scrum
• Strategy
• Data Analysis
• Agile Methodologies
• Product Management
• Management
• Sql
• Data Modeling
• Business Analysis
• Change Management
• Product Development
• Analysis
• Requirements Analysis