Mario Desousa
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Mario Desousa Email & Phone Number

CTO at Sivo at Sivo (YC W21)
Location: Greater Boston, United States 9 work roles 2 schools
2 work emails found @metratech.com 4 phones found area 781, 617, 203, and 866 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 4 phones

Work email m****@metratech.com
Direct phone (781) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
CTO at Sivo
Location
Greater Boston, United States

Who is Mario Desousa? Overview

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Quick answer

Mario Desousa is listed as CTO at Sivo at Sivo (YC W21), based in Greater Boston, United States. AeroLeads shows a work email signal at metratech.com, phone signal with area code 781, 617, 203, 866, and a matched LinkedIn profile for Mario Desousa.

Mario Desousa previously worked as Chief Technology Officer at Sivo (Yc W21) and Director Of Engineering at Sivo (Yc W21). Mario Desousa holds Mba, Business Administration And Management, General from Babson F.W. Olin Graduate School Of Business.

Company email context

Email format at Sivo (YC W21)

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{first_initial}{last}@metratech.com
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AeroLeads found 2 current-domain work email signals for Mario Desousa. Compare company email patterns before reaching out.

Profile bio

About Mario Desousa

Mario Desousa is a CTO at Sivo at Sivo (YC W21). He possess expertise in solution architecture, saas, security, software implementation, professional services and 23 more skills.

Listed skills include Solution Architecture, Saas, Security, Software Implementation, and 24 others.

Current workplace

Mario Desousa's current company

Company context helps verify the profile and gives searchers a useful next step.

Sivo (YC W21)
Sivo (Yc W21)
CTO at Sivo
AeroLeads page
9 roles

Mario Desousa work experience

A career timeline built from the work history available for this profile.

Chief Technology Officer

Current

San Francisco, California, Us

Aug 2021 - Present

Director Of Engineering

San Francisco, California, Us

Apr 2021 - Aug 2021

Co-Founder & Cto

Boston, Massachusetts, Us

Faster, lower cost embedded SME financing.Technologies: Typescript, Node.js, React, Material-UI, Redux, AWS Lambda, Cognito, DynamoDB

Oct 2020 - Apr 2021

Founder And Ceo

Boston, Ma, Us

Founder and CEO of tepui.io with a goal to help organizations take advantage of blockchain technologies to do commerce and simplify partnerships.Faster, lower cost embedded SME financing.Technologies: Blockchain, Ethereum, Solidity, Typescript, Node.js, React, Material-UI, Redux, AWS Lambda, Cognito, DynamoDB

Jan 2020 - Oct 2020

Vp Engineering

Norwalk, Connecticut, Us

Continued technological and management leadership of CodeRed development after FactSet acquired CodeRed in February 2015. Established a new development team in Hyderabad, India and grew it from 0 to 25 engineers in less than 2 years. Led a number of product initiatives including:- Development of a hybrid mobile application using Cordova and Web Technologies to target both iOS and Android platforms- Development of a high-performance, highly adaptable entitlement framework that allowed users to quickly access research that is relevant to them - Improved deployment to achieve error-free deployments of the database, server, and client components- Oversee training and compliance with best practices to deliver a secure application. Worked closely with security teams that perform penetration tests and helped address findings.- Authentication enhancements to support cloud environments, including safe username / password authentication implemented in CodeRed (including implementation of password complexity policies, lockouts, expiration and recovery workflows) and implementation of federated authentication using the SAML protocol.- Refactoring of data access layer to improve performance of data retrieval- Implemented a serverless build framework on the cloud that continuously monitored code commits from developers and triggered a full build of the code, including code analysis, validation for security and code maintainability, and automated testing (unit tests, service tests, and ui tests)- Mapping a roadmap and proof-of-concept to migrate to .NET Core, Microsoft’s next-generation, cross-platform runtimeTook engineering responsibility for FactSet’s News and Calendar products, which provide customers with updates on latest developments related to their portfolios. Responsible for overseeing major technology shifts in these products, including migration to next-generation architecture from Java / Apache stack to NodeJS and JavaScript frontend using Vue.js.

Feb 2015 - Dec 2019

Chief Technology Officer

Boston, Ma, Us

Technology leader for Code Red software products: Code Red RMS and Analytics. Code Red helps asset managers, endowments, foundations, and financial services firms to streamline their research management process, maximize the benefits of their intellectual property and fulfill regulatory requirements. Helped drive the evolution of Code Red's products towards the Cloud by adding support for Web 2.0 and iPad user interfaces and by architecting the cloud platform to introduce multitenancy capability. Leader in the introduction of a new product, Code Red Analytics which helps customers analyze their portfolio and maximize its performance.

Aug 2013 - Feb 2015

Lead Saas Architect

Metratech Corp

Leader of solution architecture for Metanga. Focus on scalability, security and operational design excellence. Worked as technical lead for a group of 30+ engineers. Metanga is a web cloud-based billing solution with support for RESTful APIs. Applied agile methodologies based on Scrum to allow for fast development and deployment of new features to customers with minimum down-time. Worked closely with product owners to help define requirements and plan for implementation and delivery.

Aug 2009 - Aug 2013

Implementation Director

Metratech Corp

Implemented multiple global billing solutions for some of MetraTech's largest customers. Participated in projects that involved the design and implementation of complex multi-point billing rules and optimal billing processes. Participated in global implementations that involved support for multi-currency, localization, and local taxation rules.

May 1999 - Jul 2009

Director Of Software

Caracas, Distrito Capital, Ve

Leader in the analysis, design, and implementation of CRM Solutions based on Vantive Enterprise. Implemented Vantive as an internal helpdesk system in Banesco, a leading financial institution.Delivered training and support on enterprise integration solutions based on CORBA.Eniac is a major systems integrator that focuses on implementing a wide-range of enterprise technologies in Latin America.

Jul 1995 - Aug 1997
2 education records

Mario Desousa education

Mba, Business Administration And Management, General

Babson F.W. Olin Graduate School Of Business

Bs, Computer Science

Universidad Simón Bolívar
FAQ

Frequently asked questions about Mario Desousa

Quick answers generated from the profile data available on this page.

What company does Mario Desousa work for?

Mario Desousa works for Sivo (YC W21).

What is Mario Desousa's role at Sivo (YC W21)?

Mario Desousa is listed as CTO at Sivo at Sivo (YC W21).

What is Mario Desousa's email address?

AeroLeads has found 2 work email signals at @metratech.com for Mario Desousa at Sivo (YC W21).

What is Mario Desousa's phone number?

AeroLeads has found 4 phone signal(s) with area code 781, 617, 203, 866 for Mario Desousa at Sivo (YC W21).

Where is Mario Desousa based?

Mario Desousa is based in Greater Boston, United States while working with Sivo (YC W21).

What companies has Mario Desousa worked for?

Mario Desousa has worked for Sivo (Yc W21), Partnr, Tepui.Io, Factset, and Code Red Software (Code Red, Inc).

How can I contact Mario Desousa?

You can use AeroLeads to view verified contact signals for Mario Desousa at Sivo (YC W21), including work email, phone, and LinkedIn data when available.

What schools did Mario Desousa attend?

Mario Desousa holds Mba, Business Administration And Management, General from Babson F.W. Olin Graduate School Of Business.

What skills is Mario Desousa known for?

Mario Desousa is listed with skills including Solution Architecture, Saas, Security, Software Implementation, Professional Services, Mobile Applications, Crm, and Enterprise Software.

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