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Corey Leiferman

Corey Leiferman

SQL Developer

Hire Me! | New Braunfels, TX

Technologies

My Portfolio Highlights

My New Track

SQL for Business Analysts

My New Course

Introduction to Python

My New Track

SQL for Business Analysts

Quantitative architect, designing solutions with numbers as building blocks.

My Work

Take a look at my latest work.

course

Data Manipulation in SQL

course

Understanding Data Engineering

course

Introduction to Python

course

Data Manipulation in SQL

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

Amazon Web Services AWS Solutions Architect Associate

Microsoft Azure Data Fundamentals

Microsoft Azure AI Fundamentals

Microsoft Azure Fundamentals

DataCamp Course Completion

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

Courses

Introduction to Python
Introduction to Power BI
Understanding Data Engineering
Data Manipulation in SQL

My Work Experience

Where I've interned and worked during my career.

RamQuest | May 2022 - Nov 2024

Data Analyst

N/A

Self Employed | Aug 2020 - Apr 2022

Self Employed

N/A

Compeer Financial | Jul 2019 - Apr 2020

Sr. System Engineer

Worked with project managers and business analysts to gather technical and functional requirements from users. Coordinate design and implementation of applications and enhancements with project managers, upper management and end users. Provided detailed documentation of process and code changes. Troubleshoot complex emergency issues as they arise. Provided mentoring to junior developers and business analysts.
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MCG Energy Solutions, LLC | Mar 2017 - Jul 2019

Application Support Developer

Customer’s first line of contact for software issues. Debug complex SQL stored procedures to diagnose problems. Monitored production systems for data anomalies. Created custom SQL reports as needed by upper management.

Ditech Financial LLC | Dec 2013 - Dec 2016

Application Developer

Constructed custom, re-useable components using C# and SQL to format data. Simplified and documented data ingestion process allowing management to reallocate hundreds of development hours to support staff. Saved $500,000+ and improved throughput by processing data internally, eliminating all out-sourcing. Responsible for all acquisition data quality company wide. Established standards for incoming data reducing internal processing throughput by 25%.

Lindsay Technical Consultants | Jun 2011 - Aug 2013

Developer/Analyst

A complete rewrite of legacy VB6 applications to the VB.NET 4.0 framework. As business needs change I continue to do limited contract work writing custom dll's for Lindsay Technical in VB and C# to extend the functionality of remaining legacy applications.

My Education

Take a look at my formal education

Postgraduate Degree, Data ScienceThe University of Texas at Austin | 2021
Web Programming Certification, Computer ProgrammingSouth Central College | 2013

About Me

Corey Leiferman

Former full stack Developer, current Data Analyst. I love working with all things data. Recently I've become interested in AWS and Azure. Open to new opportunities.

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