Learn Data Skills
Beta
Stephen Stelmack

Stephen Stelmack

data analyst

amerlux

Technologies

My Portfolio Highlights

My New Workbook

Project: Exploring Airbnb Market Trends

My New Course

Introduction to Python

My New Workbook

Project: Exploring Airbnb Market Trends

Quantitative architect, building solid foundations of insights with data.

My Work

Take a look at my latest work.

DataLab

Project: Exploring Airbnb Market Trends

course

Introduction to Python

course

Intermediate Python

DataLab

Project: Exploring Airbnb Market Trends

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

Microsoft az-900

Course era Google analytics

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Intermediate Python
Data Manipulation with pandas
Analysis in Excel

My Work Experience

Where I've interned and worked during my career.

Amerlux | Sep 2022 - Present

Engineering Admin

● Collaborated with cross-functional engineering documents, including blueprints, schematics, technical manuals, and specifications ● Created dashboards to display 30+ KPIs; created automated daily reports via Excel/ Access / smart sheets ● Analyzed data using pivot tables, charts, and graphs in ‘R’
Show More

Robert Half | Feb 2022 - Present

Data Analyst

● Created dynamic dashboards and reports in Excel, visualizing trends, and patterns to communicate findings effectively; utilized pivot tables and conditional formatting to transform raw data into actionable visualizations ● Worked closely with cross-functional teams, including marketing and finance, to gather requirements and address data-related challenges ● Developed and implemented data quality checks to identify anomalies and inconsistencies in datasets; reduced data errors by 25% through proactive quality assurance measures

Comcast | Jan 2018 - Jan 2019

Service Technician

● Created dynamic dashboards and reports in Excel, visualizing trends, and patterns to communicate findings effectively; utilized pivot tables and conditional formatting to transform raw data into actionable visualizations ● Worked closely with cross-functional teams, including marketing and finance, to gather requirements and address data-related challenges ● Developed and implemented data quality checks to identify anomalies and inconsistencies in datasets; reduced data errors by 25% through proactive quality assurance measures

US Army | Sep 2013 - Sep 2016

Computer Specialist

● Analyzed data to provide accurate and timely targeting information to support ground forces, resulting in successful mission outcomes and enhanced situational awareness ● Operated the backup computer system; computed safe firing data for installation security, ensuring accuracy for mission ● Inspired and developed employee performance through monthly mentoring sessions; efforts led to competent personnel ● Conducted operations for the maintenance and repair of advanced military communication systems in support of signal support and artillery fire control operations

My Education

Take a look at my formal education

Associate of Arts and Sciences - AAS, Data Modeling/Warehousing and Database AdministrationBergen Community College | 2021

About Me

Stephen Stelmack

Stephen hasn't filled in a bio text

Powered by

  • Work
  • Certifications
  • Courses
  • Experience
  • Education
  • About Me
  • Create Your Data Portfolio for Free