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Horual Leon Email & Phone Number
Senior Mainframe Developer
at
Coopersystem
LinkedIn matched
✓ Verified July 2026
3 data sources
Profile completeness 86%
Current company
Role
Senior Mainframe Developer
Location
Goiânia, Goiás, Brazil
Company size
Who is Horual Leon? Overview
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Quick answer
Horual Leon is listed as Senior Mainframe Developer at Coopersystem, a with 239 employees, based in Goiânia, Goiás, Brazil. AeroLeads shows a matched LinkedIn profile for Horual Leon.
Horual Leon previously worked as Cobol Developer at Coopersystem and Desenvolvedor de aplicativos at Self-Employed. Horual Leon holds Advertising from Iesb.
Company email context
Email format at Coopersystem
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Coopersystem
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Profile bio
About Horual Leon
With a robust foundation in Cobol and a flair for Agile methodologies, my career is marked by empowering small and medium-sized medical practices with bespoke software solutions. At Coopersystem, my focus has been on streamlining customer registration and medical appointment systems, which has significantly improved operational efficiency.Previously, I applied my expertise to develop an application facilitating major event ticket sales, demonstrating versatility and a keen understanding of diverse market needs. My analytical skills, coupled with a deep-seated commitment to delivering user-centric products, drive my mission to advance technology within key industry sectors.
Current workplace
Horual Leon's current company
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Coopersystem
7 roles
Horual Leon work experience
A career timeline built from the work history available for this profile.
Cobol Developer
As part of an great team, I am responsible for developing Banco do Brasil’s Insurance Sales System, which generates million’s of dolar in annual revenue. Working within the SCRUM methodology, I actively participate in all phases, including requirements gathering, analysis, development, implementation, and testing. I develop database reading methods within the DB2 environment to streamline processes within the mainframe.
Desenvolvedor De Aplicativos
Self-Employed
Development of customer registration, control of medical appointments, issuance of PDFs, for small and medium-sized medical practices. Development of an application for selling tickets for major events.
Sep 2022 - May 2024
Analista De Sistemas Sênior
Spg Soluções Em Ti
Development, maintenance and support of systems in Natural/ADABAS and COBOL, for telephone sales systems. Systems developed for Accenture do Brasil and Oi Telefonia. Project analysis and data analysis
Feb 2011 - Aug 2012
Analista De Sistema
Development, maintenance and support of systems in Natural/ADABAS and COBOL, CICS and Bath, to control products and services sold by the Central Bank of Brazil, in addition to the development of the Company Registry where all companies in Brazil are mapped and controlled, and development of the Employee Travel Control System and Internal Operations Report.
Sep 2005 - Feb 2011
Programador De Computador
Development of systems in Natural/DB2 and COBOL, to control Products and Services sold by the client Banco do Brasil S.A., development of Agreement systems offered by the bank, Federal Government Tax Collection System, Sources of Resources and Risk Analysis in Investments (Commercial and Rural).
Apr 2000 - Sep 2005
Programador De Software
Maintenance of programs in Natural/ADABAS, to correct the Millennium BUG, for the steel industry USIMINAS – Usina Intendente Câmara – MG.Maintenance of Miracle/Unix programs to correct the Millennium BUG, for the steel industry USIMINAS MEC NICA – MG.Development of Visual Basic programs for commercial and financial control of clothing and footwear factories.
Jan 1999 - Dec 1999
Team & coworkers
Colleagues at Coopersystem
Other employees you can reach at coopersystem.com.br. View company contacts for 239 employees →
VL
Victor Lobão
Colleague at CoopersystemBrasília, Federal District, Brazil
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HD
Herbet Dantas Caires
Colleague at CoopersystemBrasília, Federal District, Brazil
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JV
João Vaz
Colleague at CoopersystemFederal District, Brazil
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RR
Rafael Rascovit
Colleague at CoopersystemTaguatinga, Federal District, Brazil
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JA
João Albertino Sá Sa
Colleague at CoopersystemGreater Brasilia, Brazil
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JS
Jocélio Santos
Colleague at CoopersystemGama, Federal District, Brazil
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MG
Maihane Gomes
Colleague at CoopersystemBrazil
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BM
Branco Melo
Colleague at CoopersystemBrasília, Federal District, Brazil
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EC
Eduarda Coutinho
Colleague at CoopersystemBrasília, Federal District, Brazil
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FG
Frederico Guerra
Colleague at CoopersystemFederal District, Brazil
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Victor Lobão
Colleague at CoopersystemBrasília, Federal District, Brazil
View →
HD
Herbet Dantas Caires
Colleague at CoopersystemBrasília, Federal District, Brazil
View →
JV
João Vaz
Colleague at CoopersystemFederal District, Brazil
View →
RR
Rafael Rascovit
Colleague at CoopersystemTaguatinga, Federal District, Brazil
View →
JA
João Albertino Sá Sa
Colleague at CoopersystemGreater Brasilia, Brazil
View →
JS
Jocélio Santos
Colleague at CoopersystemGama, Federal District, Brazil
View →
MG
Maihane Gomes
Colleague at CoopersystemBrazil
View →
BM
Branco Melo
Colleague at CoopersystemBrasília, Federal District, Brazil
View →
EC
Eduarda Coutinho
Colleague at CoopersystemBrasília, Federal District, Brazil
View →
FG
Frederico Guerra
Colleague at CoopersystemFederal District, Brazil
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3 education records
Horual Leon education
Advertising
Técnico, Computer Programming
Escola Técnica Vale Do Aço
Bacharelado E Licenciatura, Photographic And Film/Video Technology/Technician And Assistant
FAQ
Frequently asked questions about Horual Leon
Quick answers generated from the profile data available on this page.
What company does Horual Leon work for?
Horual Leon works for Coopersystem.
What is Horual Leon's role at Coopersystem?
Horual Leon is listed as Senior Mainframe Developer at Coopersystem.
Where is Horual Leon based?
Horual Leon is based in Goiânia, Goiás, Brazil while working with Coopersystem.
What companies has Horual Leon worked for?
Horual Leon has worked for Coopersystem, Self-Employed, Spg Soluções Em Ti, Cast Informatica, and Politec.
Who are Horual Leon's colleagues at Coopersystem?
Horual Leon's colleagues at Coopersystem include Victor Lobão, Herbet Dantas Caires, João Vaz, Rafael Rascovit, and João Albertino Sá Sa.
How can I contact Horual Leon?
You can use AeroLeads to view verified contact signals for Horual Leon at Coopersystem, including work email, phone, and LinkedIn data when available.
What schools did Horual Leon attend?
Horual Leon holds Advertising from Iesb.
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