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Work Background
Hyfra Industriekühlanlagen GmbH - Lennox International Inc.Information Technology Specialist
Jan. 2021 - Apr. 2021Krunkel, Rhineland-Palatinate, GermanyEmployed by persona service AG & Co.KG and lent out as a vacation replacement SAP Rollout - Support 1st Level Support for OS imaging, hardware and software problems
Colorhex Senior Database Administrator and Software Developer
Feb. 2016United StatesDevelopment of Virtualoon, a web-based mock-up tool for balloon artists
(used systems: PHP, MySQL server database systems, Java, CSS) Development of a worldwide balloon database for all major balloon manufacturers, database tuning, performance analysis
(used system: MySQL server database systems) Forum Migration phpBB to SMF
IT Peter SerschMarketing Research Specialist
Aug. 2015Oberursel, Hesse, Germany- Employee attitude surveys
- Opinion polling
- Evaluations with Quantum
- Complex weighted evaluatons
- IT consulting
Sersch ITSenior Software Engineer & Technical Architect
Aug. 2015 - Oct. 2024Italy● Engineered SaaS platforms serving 5,000+ global users, boosting scalability 35% and reducing maintenance costs 20%
● Designed and launched Virtualoon SaaS adopted by 500+ users across 10 countries, with 3D visualization for balloon decorators
● Developed Gemar Creator (PHP/MySQL) with optimized queries and automated PDF reporting, cutting reporting time 60%
● Integrated ChatGPT API + Python into enterprise workflows, automating data classification and reporting while reducing manual effort 40%
● Directed full software lifecycle across 12+ enterprise projects from requirements gathering to deployment and ongoing maintenance
● Coordinated cross-functional teams of 6–10 engineers, achieving 95% on-time, on-budget project delivery
● Built custom Quantum algorithms for market research data, improving reporting speed 30%
● Enabled data-driven insights for international clients through accurate statistical models and tailored analysis
Commerzbank AGDatabase specialist and team leader
Jun. 2013 - Sep. 2014Frankfurt am Main, Hesse, GermanyEmployed by univativ GmbH & Co. Project: New account management system for the entire bank
- Test case preparation
- Preparation status reporting
- Assistance with HPQC release change
- Team leading for SCRUM between development and test
Focus InfocomDatabase Specialist
Aug. 2011 - May. 2013Darmstadt, Hesse, GermanyProject: Database conversion - Database conversion and development with geographic evaluations
- Reporting with MS SQL
- 2nd level support
- Development of ASP reporting
MC IT TECHNICAL SOLUTIONS LIMITEDDatabase Developer
Apr. 2010 - Oct. 2010WeinheimProject: Development of a 24/7 support system for a bank - Database administration
- Database development
- Software development
- 1st level support (used systems: MS-SQL, .NET, Microsoft Operating Systems)
UWB GmbHInformation Technology Consultant
Sep. 2009 - Mar. 2010Frankfurt am Main, Hesse, Germany- Implementation of .NET data administration tool for meters
- Network administration Development of a web shop
- 1st and 2nd level support Responsible for the Emergency Call Center of the German Red Cross
- Software development Development for exhaust gas inspection for a disposal company under .NET (used systems: .NET, Microsoft Operating Systems)
Lidl InternationalInformation Technology Specialist
Oct. 2008 - Aug. 2009Karlsruhe, Baden-Württemberg, GermanyAssignment for Kilmona Personalberatung GmbH - 2nd level support for the European merchandise management system
- .NET development for an international 2nd level helpdesk tool
- Database development Merchandise management system under Gupta SQL
- Database implementation for several countries
- Programming Reporting evaluations (Systems used: Lotus Notes, Microsoft Operating Systems, Gupta SQL, Oracle, .NET)
IT Peter SerschNetwork Administrator, Database Developer, Software Developer
Jan. 2007 - Jul. 2008Ersingen- Network administration
- Database development
- Software development
- Independent trainer and IT consultant -- Rollout -- Training for MS-Office -- CMS systems -- Statics software, graphic software, drawing software (Systems used: MS-Office, Microsoft Operating Systems, MS SQL, MS-Access)
Karl Scheufele GmbH & Co KG / ChopardNetwork Administrator, Programming, Support
Jun. 2002 - Jul. 2006Birkenfeld, Baden-Württemberg, Germany- Network administration -- Monitoring and rectifying errors -- Testing the anti-virus software -- Rollout and installation of software (macros, software, etc.) worldwide for the Chopard group - Solving problems with computers and networks - Database development -- Device database - Software development -- Activation of files/functions from UNIX with a parameter in Windows -- Program for product listing -- Print program for forms -- Mail management system und MS-Access - IT architecture - UNIX administration - Database administration under UNIX - Training for MS-Windows, MS-Word, MS-Excel and MS-PowerPoint - Batch development -- Macro programming for MS-Office (VBA) - Implementation -- SUS server (automatic distribution of updates) -- Webserver (intranet, customer information system, Klicktel) -- SQL database (Used systems: TSQL, .NET, MS-Access, MS-Office, MS SQL, VBA, Microsoft SUS Server)
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