David B. Svaiter
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David B. Svaiter Email & Phone Number

Cryptologist - Entrepreneur - Consultant - Master Developer (.NET, SQL, MQL5) - Professor - Founder NAWKA and OASYS. at OASYS Informática Ltda.
Location: Rio De Janeiro, Rio De Janeiro, Brazil 6 work roles
1 work email found @oasys.com.br LinkedIn matched
✓ Verified May 2026 3 data sources Profile completeness 86%

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Work email d****@oasys.com.br
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Current company
Role
Cryptologist - Entrepreneur - Consultant - Master Developer (.NET, SQL, MQL5) - Professor - Founder NAWKA and OASYS.
Location
Rio De Janeiro, Rio De Janeiro, Brazil

Who is David B. Svaiter? Overview

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David B. Svaiter is listed as Cryptologist - Entrepreneur - Consultant - Master Developer (.NET, SQL, MQL5) - Professor - Founder NAWKA and OASYS. at OASYS Informática Ltda., based in Rio De Janeiro, Rio De Janeiro, Brazil. AeroLeads shows a work email signal at oasys.com.br and a matched LinkedIn profile for David B. Svaiter.

David B. Svaiter previously worked as CTO - Co-Founder at Nawka Soluções E Serviços Ltda. and CEO - Founder at Oasys Informática Ltda..

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Email format at OASYS Informática Ltda.

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*@oasys.com.br
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AeroLeads found 1 current-domain work email signal for David B. Svaiter. Compare company email patterns before reaching out.

Profile bio

About David B. Svaiter

I’ve been involved with digital security and system development for decades, having acted as a System Developer, System Analyst, and System Auditor for many years. Since 2000, I have been deeply involved with data security and encryption, being a producer of innovative, user-friendly, and robust solutions for endpoints and servers.So, I’m also a Consultant, Professor, and Lecturer on Cryptography related topics, acting as an engineer/architect of related software and custom algorithms for cryptographic security. Acting as System Auditor in a world and first-class financial Bank, I'm used to adopting secure procedures and rules to achieve safe environments in physical and logical environments. My career as an Auditor and, most recently, as an entrepreneur gave me solid acknowledgments about the necessary interaction between the “business” and the “technical” units, learning how to balance the needs of both environments, and always focused on the best (and possible) required results.Nowadays, I'm involved with disseminating information security-related news and knowledge to help non-technical people understand and be safer in the digital era, writing articles at Linked-IN, and acting as an independent consultor and technical resource for task-force projects.As passionate about Economics, I study and act on developing investment robots on the MetaTrader platform, automating trading functions on the FOREX and B3 markets.My skills are:- CTO acting as a link between business and technical teams.- Top-Expert in quantum, asymmetric, and symmetric cryptography.- Solid knowledge in Information Security, mainly related to encryption techniques.- System Engineer & Architect with more than 40 years of experience, acting on more than ten languages and programming concepts during this time.- NET Framework Senior developer, building software from scratch and conducting teams to develop other projects.- MQL5 developer, producing Market Indicators and Robots to automate trading or provide analysis on financial markets.- Solid experience in MS-SQL Database programming.- Solid experience in Systems Audit and Security Guidelines as a field auditor or team manager.- Good knowledge of ITIL, COBIT, OWASP, and NIST/FIPS frameworks.- Good knowledge of Digital Marketing and metrics.

Listed skills include Ajax, Microsoft Sql Server, Cryptography, Security, and 27 others.

Current workplace

David B. Svaiter's current company

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OASYS Informática Ltda.
Oasys Informática Ltda.
Cryptologist - Entrepreneur - Consultant - Master Developer (.NET, SQL, MQL5) - Professor - Founder NAWKA and OASYS.
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6 roles · 36 years

David B. Svaiter work experience

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Cto - Co-Founder

Current
Nawka Soluções E Serviços Ltda.

São Paulo - SP

- Startup created for trading with OBAKE, software to secure file sharing and storage.- I'm responsible for the main project, code upgrades and Pre-Sale activities.

Sep 2021 - Present

Ceo - Founder

Current

Tijuca, Rio De Janeiro, Brasil

Owner, Technical Partner (CEO/CTO)- CEO/CISO (www.oasys.com.br).- Technical responsible for consulting and implementation of cryptographic algorithms/digital signatures.- Creator of the OBAKE symmetric algorithm for use in Windows applications.- Creator of OBAKE suite for personal and corporate cryptography (www.obake.com.br)- Creation and coordination of.

Jan 1999 - Present

Director - Associated Partner Of Bigblue (Scp)

Rio De Janeiro Area, Brazil

- Director-Consultant on cryptographic technology applicable to LGPD and GDPR.- Duties: > Consulting on cryptographic controls required by LGPD/GDPR laws. > Lectures and presentations to a technical and non-technical audience. > Consulting in Information Security, specifically cryptography. > Creation/Revision of technical, marketing, and support material..

Dec 2013 - Nov 2021

Professor-Adviser And Examining Board Member - Marinha Do Brasil

Centro De Instrução Almirante Wandenkolk

Advisor and Member of the Judging Panel of the "Advanced Training Course in Information Security and Communications", for the paper with emphasis on Quantum Cryptography: "The Effects of Quantum Computing for the Brazilian Navy", defended by First Lieutenant Caio Carneiro Silva Rocha, 2020.

Mar 2020 - May 2020

Advanced Cryptology Professor

Centro De Instrução Almirante Wandenkolk - RJ

Associate professor at PUC/RJ to teach classes on Cryptology in the Advanced Information Security and Communications Improvement Course (C-ApA-SIC) for Brazilian Navy Officers. This course has a post-graduation "latu-sensu" level and includes the following modules- Introduction and General Concepts- Symmetric Algorithms- Keys Agreement on Insecure.

Mar 2018 - Apr 2018

2Nd Vice President General Audit Dept.

Environment Data Processing (EDP) Auditor, Manager of Microcomputer Area.Senior Systems Auditor, responsible for conducting work in microcomputer and large computer environments (Mainframes), ensuring that the Company's Internal Controls were adequately used and supported by practices described in the respective procedure manuals.

1990 - 1995 ~5 yrs
FAQ

Frequently asked questions about David B. Svaiter

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What company does David B. Svaiter work for?

David B. Svaiter works for OASYS Informática Ltda..

What is David B. Svaiter's role at OASYS Informática Ltda.?

David B. Svaiter is listed as Cryptologist - Entrepreneur - Consultant - Master Developer (.NET, SQL, MQL5) - Professor - Founder NAWKA and OASYS. at OASYS Informática Ltda..

What is David B. Svaiter's email address?

AeroLeads has found 1 work email signal at @oasys.com.br for David B. Svaiter at OASYS Informática Ltda..

Where is David B. Svaiter based?

David B. Svaiter is based in Rio De Janeiro, Rio De Janeiro, Brazil while working with OASYS Informática Ltda..

What companies has David B. Svaiter worked for?

David B. Svaiter has worked for Nawka Soluções E Serviços Ltda., Oasys Informática Ltda., Big Blue Services Ltda, Marinha Do Brasil, and Chase Manhattan Bank.

How can I contact David B. Svaiter?

You can use AeroLeads to view verified contact signals for David B. Svaiter at OASYS Informática Ltda., including work email, phone, and LinkedIn data when available.

What skills is David B. Svaiter known for?

David B. Svaiter is listed with skills including Ajax, Microsoft Sql Server, Cryptography, Security, Asp.Net, Business Intelligence, Visual Studio, and Web Development.

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