Dominik Rajczak

Manager & Data Analytics Specialist

GitHub | LinkedIn

About

Highly analytical and results-driven Manager with 10+ years of experience in data analytics, team leadership, and process optimization across diverse industries. Proficient in Python, SQL, Power BI, and cloud platforms (Azure, Databricks), adept at transforming complex data into actionable insights for strategic decision-making. Seeking to leverage proven expertise in data-driven process improvement and team development to drive innovation and efficiency within a dynamic Tech sector environment.

Work Experience

Sales Support Department Manager

Amago Sp. z o. o.

Feb 2020 - Present

Currently leads the Sales Support Department, driving data-driven improvements in market analysis and operational efficiency to enhance decision-making and sales performance.

  • Developed and implemented Python and Excel-based analytical models for market analysis, enhancing decision-making accuracy for the sales support department.
  • Automated data extraction and manipulation processes using SQL, reducing manual effort and improving data availability for reporting.
  • Created interactive dashboards and reports with Power BI, providing key stakeholders with real-time insights into sales trends and performance metrics.
  • Streamlined sales support operations through data-driven process improvements, contributing to enhanced team productivity and customer satisfaction.

Regional Manager

ICG International Consulting Group

Apr 2018 - Feb 2020

Managed regional operations for a consulting group, overseeing nationwide audits and leading team development to ensure operational excellence and compliance.

  • Directed comprehensive nationwide audits across multiple subordinate branches, ensuring compliance with company standards and identifying critical areas for operational improvement.
  • Trained and mentored a team of new managers, significantly improving their leadership capabilities and operational effectiveness across regional branches.
  • Managed a high-performing subordinate team, fostering a collaborative environment that consistently met regional targets and operational KPIs.
  • Collaborated effectively with regional directors to implement strategic initiatives, enhancing inter-departmental synergy and achieving broader organizational goals.

Manager

KR3

Sep 2014 - Apr 2018

Led and managed multiple company branches nationwide, driving operational oversight, ensuring compliance, and developing staff to achieve regional objectives.

  • Managed operations for multiple subordinate branches across various cities, optimizing resource allocation and improving overall regional performance.
  • Executed nationwide audits of subordinate branches, identifying procedural gaps and implementing corrective actions to enhance operational compliance and efficiency.
  • Developed and delivered training programs for new managers, successfully onboarding them and equipping them with essential skills for effective team leadership.
  • Provided detailed performance reports and strategic recommendations to senior leadership, informing key business decisions and contributing to organizational growth.

Education

Data Science - Big Data and Systems of Advanced Data Analytics

WSB University

Jan 2022 - Dec 2022

Courses

  • Practical use of Azure and DataBricks for implementing AI algorithms in cloud environments
  • Advanced coursework in Python, SQL, and data visualisation with Power BI

Geology And Mining

AGH University Of Science And Technology

Sep 2003 - Jun 2008

Courses

  • Thesis: "Determination of Trends in Mineral Raw Material Production in Poland and Worldwide"

Certificates

AWS Foundations of Prompt Engineering certificate

Amazon Web Services (AWS)

Certified Transformation Life Coach

ISTQB

Languages

Polish , English , Russian

Skills

Leadership & Management

  • Team Leadership
  • Coaching and Training
  • Strategic Planning and Execution
  • Problem Solving
  • Decision Making
  • Customer Management

Data Analysis & Business Intelligence

  • Data Analysis and Reporting
  • Market Analysis
  • Data Manipulation
  • Data Visualization
  • SQL
  • Python
  • Power BI
  • Excel

Cloud & Tools

  • MS Azure
  • Databricks
  • Jira
  • Trello
  • Confluence
  • PowerPoint