Senior Database Programmer
CurrentDesigned, coded, tested, tuned, debugged and documented Oracle SQL, PL/SQL, Snowflake packages to support Yes Energy LLC data collections and power market applications.
Nov 2020 - Present
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Marek Majerczyk Email & Phone Number
Senior Database Programmer
at
Yes Energy
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✓ Verified May 2026
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Profile completeness 86%
Current company
Role
Senior Database Programmer
Location
Boulder, Colorado, United States
Company size
Who is Marek Majerczyk? Overview
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Quick answer
Marek Majerczyk is listed as Senior Database Programmer at Yes Energy, a company with 77 employees, based in Boulder, Colorado, United States. AeroLeads shows a matched LinkedIn profile for Marek Majerczyk.
Marek Majerczyk previously worked as Oracle Database Programmer at Spectrum Technologies /T-Mobile and ORACLE PROGRAMMER at Apex Systems, Inc. / Medtronic. Marek Majerczyk holds Ms, Technical Physics from University Of Science And Technology, Krakow, Poland.
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Yes Energy
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Profile bio
About Marek Majerczyk
PROFESSIONAL OBJECTIVE:Information Systems Specialist with expertise in database programming and data processing.POSITIONING STATEMENT:Database Programmer/Analyst/Systems Specialist specializing in integration between legacy, ERP, and SCM. Breadth of knowledge extends from business requirements gathering through development to deployment and support. Strengths include: system and data analysis, data integration, database programming, design, development, implementation and tuning, shell programming, Manugistics Suite implementation and support, troubleshooting. Key technologies: Oracle RDBMS, Oracle Tools, SQL, PL/SQL, Perl, Unix OS, Korn Shell, Unix tools, Windows OS, IBM Netezza.COMPETENCIES:--Manugistics SCM:Supply Chain Planning and OptimizationDemand Planning / Extended EditionTransportation Management SystemScheduling/StrategyCollaborate/OneViewOrder Management--System DevelopmentData integration between legacy, ERP and SCM systems.Oracle Database ProgrammingOracle SQL and Database TuningShell/Perl scriptingRoot Cause AnalysisEffective Error Resolution--Data ManagementData AnalysisData ProcessingData InterfacingHigh Performance Data LoadingRDBMS design, development and management--ProjectsAnalyzingRequirements GatheringDesigningCodingTestingImplementationSupport--Personal AttributesSelf motivated and results orientedOrganized, systematic and thoroughHigh Standards of integrity
Current workplace
Marek Majerczyk's current company
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Yes Energy
16 roles
Marek Majerczyk work experience
A career timeline built from the work history available for this profile.
Oracle Database Programmer
Spectrum Technologies /T-Mobile
Designed, coded, tested, tuned, and documented PL/SQL packages to support T-Mobile financial department batch processes.
Mar 2020 - Oct 2020
Oracle Programmer
Apex Systems, Inc. / Medtronic
Designed, coded, tested, tuned, and documented PL/SQL / SQL scripts to support Medtronic supply chain information loads for reporting purposes. Built Oracle Apex Applications for uploads into Oracle user-maintained table data.
Oct 2019 - Feb 2020
Oracle Database Programmer
Spectrum Technologies /T-Mobile
Designed, coded, tested, tuned, and documented PL/SQL packages to support T-Mobile financial department batch processes.
Apr 2019 - Sep 2019
Oracle/Unix Programmer
True Value Company
Designed, coded, tested, tuned, and documented PL/SQL packages and Korn Shell wrappers to support JDA Supply Chain Planning and Optimization software.
May 2017 - Jan 2019
Database Programmer
Thomson Reuters (Collabera)
Worked on conversion/re-coding of PL/SQL fund reporting application to execute in the new database server architecture.
Mar 2017 - Apr 2017
Oracle/Unix Programmer
Designed, coded, tested, tuned, and documented PL/SQL packages and Korn Shell wrappers to support JDA Supply Chain Planning and Optimization software.
Feb 2015 - Oct 2016
Database Programmer
Designed, coded, tested, tuned, and documented ETL processes supporting marketing technology applications utilizing IBM Netezza 7 and Oracle 11g databases as well as SQL, PL/SQL, and Korn Shell scripting.
Apr 2014 - Jan 2015
Oracle/Unix Programmer
Designed, coded, tested, tuned, and documented PL/SQL packages and Korn Shell wrappers to support JDA Supply Chain Planning and Optimization software.
Jun 2013 - Sep 2013
Oracle Database Programmer
Designed, coded, tested, tuned, implemented and documented high-performance PL/SQL and KornShell interfaces for JDA Demand and Fulfillment modules with Oracle 10g and 11g as back-end databases.
Jun 2010 - Mar 2013
Oracle/Unix Programmer
Designed, coded, tested, PL/SQL extensions to the processes archiving/purging medical records for discharged patients; Performed code debugging/data mining for client-side issues with the archiving processes.
Dec 2009 - Mar 2010
Oracle Database Programmer / System Analyst
- Design, coded, tested, tuned, implemented and documented high-performance PL/SQL procedures and triggers for:
- History conversion between Legacy and Manugistics Demand Module
- Automated and Manual DFU/ DFUMap Creation process in Manu Demand Module
- Statistical Process Of Splitting the total history in to the base and lift portions
Aug 2005 - Sep 2009
Senior System Analyst
- Senior Systems Analysts in the Logistics Department – Provided 3rd level support for production problems, root cause analysis, effective resolution and follow-up for the Manugistics Transportation Management System as.
- Performed SQL/Database tuning for the TMS Application as well as integration processes reducing processing time several times.
Jun 2004 - Aug 2005
Database Programmer And Systems Engineer
- Manugistics Project Process Support and Documentation - Documented existing interfaces for Manugistics DPEE/SCPO and Collaborate/OneView. Troubleshot, coded, tested, and implemented fixes for the existing processes as.
- Developed new high-performance data integration layer between DPEE and Collaborate modules utilizing PL/SQL, SQL, Perl, Korn Shell, which replaced inefficient Java based import/export tools and reduced processing time.
Feb 2004 - May 2004
Database Programmer/ Systems Engineer
Chicago Finan
Key accomplishments in projects below:Performed several successful implementations of Manugistics SCM software, involving full SDLC.Designed, coded, tested, implemented and efficient data integrations between various systems.Effectively analyzed and resolved problems occurring at various phases of SDLC.Consulting Projects:ABBOTT LABORATORIESManugistics.
Apr 1998 - Aug 2003
Systems Engineer
Optimus
Component Benchmarking - Performed benchmarking and technical analysis of motherboards, processors, hard drives, and graphics adapters utilizing DOS 6.22, Windows for Workgroups 3.11, Windows 95 and Windows NT 4.0 Workstation.
Jul 1995 - Apr 1998
Team & coworkers
Colleagues at Yes Energy
Other employees you can reach at yesenergy.com. View company contacts for 77 employees →
BE
Blessing Eucharia
Colleague at Yes EnergyPort Harcourt, Rivers State, Nigeria, Nigeria
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AK
Andy Kearns
Colleague at Yes EnergyKitchener, Ontario, Canada, Canada
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ML
Max Lotspeich
Colleague at Yes EnergyCypress, Texas, United States, United States
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DB
Drishya Bameta
Colleague at Yes EnergyRichmond, Virginia, United States, United States
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AS
Ams S
Colleague at Yes EnergyTopsham, Maine, United States, United States
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MC
Michael C Herbert
Colleague at Yes EnergyAndover, England, United Kingdom, United Kingdom
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CL
Caleb Lathrop
Colleague at Yes EnergyBoston, Massachusetts, United States, United States
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LH
Landin Harris
Colleague at Yes EnergyNashville, Tennessee, United States, United States
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HD
Hans Daniels
Colleague at Yes EnergyBoulder, Colorado, United States, United States
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AR
Alex Robertson
Colleague at Yes EnergyDenver Metropolitan Area, United States
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Blessing Eucharia
Colleague at Yes EnergyPort Harcourt, Rivers State, Nigeria, Nigeria
View →
AK
Andy Kearns
Colleague at Yes EnergyKitchener, Ontario, Canada, Canada
View →
ML
Max Lotspeich
Colleague at Yes EnergyCypress, Texas, United States, United States
View →
DB
Drishya Bameta
Colleague at Yes EnergyRichmond, Virginia, United States, United States
View →
AS
Ams S
Colleague at Yes EnergyTopsham, Maine, United States, United States
View →
MC
Michael C Herbert
Colleague at Yes EnergyAndover, England, United Kingdom, United Kingdom
View →
CL
Caleb Lathrop
Colleague at Yes EnergyBoston, Massachusetts, United States, United States
View →
LH
Landin Harris
Colleague at Yes EnergyNashville, Tennessee, United States, United States
View →
HD
Hans Daniels
Colleague at Yes EnergyBoulder, Colorado, United States, United States
View →
AR
Alex Robertson
Colleague at Yes EnergyDenver Metropolitan Area, United States
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2 education records
Marek Majerczyk education
Ms, Technical Physics
University Of Science And Technology, Krakow, Poland
Education record
FAQ
Frequently asked questions about Marek Majerczyk
Quick answers generated from the profile data available on this page.
What company does Marek Majerczyk work for?
Marek Majerczyk works for Yes Energy.
What is Marek Majerczyk's role at Yes Energy?
Marek Majerczyk is listed as Senior Database Programmer at Yes Energy.
Where is Marek Majerczyk based?
Marek Majerczyk is based in Boulder, Colorado, United States while working with Yes Energy.
What companies has Marek Majerczyk worked for?
Marek Majerczyk has worked for Yes Energy, Spectrum Technologies /T-Mobile, Apex Systems, Inc. / Medtronic, True Value Company, and Thomson Reuters (Collabera).
Who are Marek Majerczyk's colleagues at Yes Energy?
Marek Majerczyk's colleagues at Yes Energy include Blessing Eucharia, Andy Kearns, Max Lotspeich, Drishya Bameta, and Ams S.
How can I contact Marek Majerczyk?
You can use AeroLeads to view verified contact signals for Marek Majerczyk at Yes Energy, including work email, phone, and LinkedIn data when available.
What schools did Marek Majerczyk attend?
Marek Majerczyk holds Ms, Technical Physics from University Of Science And Technology, Krakow, Poland.
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