Matías Schapiro, Software Architect and Back-end Developer in Buenos Aires, Argentina
Matías Schapiro

Software Architect and Back-end Developer in Buenos Aires, Argentina

Member since January 2, 2015
Matías has been programming as a hobby since he was six years old. He started with GW Basic and Quick Basic in the eighties and has used a lot of technologies since then. Now, he focuses on C#. After finishing his master's degree in finance, he has tackled a lot of projects related to capital markets and quantitative algorithms. He loves software and finance and would be an excellent candidate for this kind of project.
Matías is now available for hire

Portfolio

Experience

Location

Buenos Aires, Argentina

Availability

Part-time

Preferred Environment

Amazon Web Services (AWS), C#, .NET, AWS, Visual Studio Code, Visual Studio

The most amazing...

...software I've built is a financial market enterprise application for valuation and trading. I built this application from scratch using C#, Flex, and MySQL.

Employment

  • C# Developer

    2009 - PRESENT
    Doctor Sapix Finance Software
    • Designed and developed financial applications from scratch, i.e., fixed income apps, derivative tools, and a portfolio management application for family offices.
    • Planned and programmed quantitative finance algorithms for different financial models and assets, e.g., Black-Scholes, Nelson-Siegel.
    • Designed, developed, and used web APIs based on different technologies.
    • Managed products, in particular concerning the improvement of design and development of new features.
    • Developed different interfaces for retrieving data from Bloomberg, Yahoo Finance, Morningstar, and other financial information sources.
    • Processed financial accounts statements and activity records from different banks, e.g., Pershing, Deutsche Bank, UBS, Merrill Lynch, etc.
    • Created an automated testing tool using Cucumber.
    • Designed domain models based on a strong understanding of financial markets and current and potential customers' needs.
    Technologies: Microsoft SQL Server, MySQL, Adobe Flex, C#
  • Software Architect

    2019 - 2020
    CTF Capital
    • Designed the architecture of an automated trading system capable of interoperating with different crypto markets to execute strategies that are easily programmed by an operator.
    • Proposed and designed the security policies and good practices for the different parts of the software and the development lifecycle.
    • Investigated and proposed the right technology stack for the software to be built, according to the company's needs and the skills of the team.
    • Worked heavily with the developers on solving performance issues related to memory management, processor consumption, and network latency issues.
    Technologies: Amazon Web Services (AWS), BitMEX, Blockchain, AWS IAM, MySQL, Node.js, .NET Core, AWS EC2, Amazon SQS, AWS
  • Senior Full-stack Developer

    2018 - 2018
    Refunite.org (Top-volunteer)
    • Developed from scratch and improved existing Python and Node API endpoints that were consumed by a mobile app.
    • Helped to improve the AWS infrastructure required by the project.
    • Improved the way new developers could set up and run the development and testing environments in a faster way.
    Technologies: Amazon Web Services (AWS), AWS, Node.js, Python
  • Lead Developer

    2016 - 2017
    Sanders & Phillips
    • Led a team composed of remote developers, including fellow Toptalers.
    • Contributed to an important migration from a legacy ASP.NET (WebForms) core application to Salesforce.
    • Improved the performance of different tools and processes developed in .NET and SQL Server.
    • Worked with different health system vendors that provided confidential documents that we had to synchronized with our local systems every day.
    • Worked with final users in order to design and create new out-of-the-box features that allowed the company to work in a better way.
    Technologies: Salesforce API, ASP.NET, C#, .NET
  • Lead Developer

    2015 - 2016
    Sim1Ems
    • Developed and maintained an order management system that integrates with marketplaces like Amazon, eBay, and Walmart.
    • Oversaw the full architecture and cloud environment both in Azure and AWS.
    • Worked on algorithmic strategies for auto-pricing tools (used for competing with other sellers on marketplaces like Amazon or eBay).
    • Worked with AdWords API and data science projects in order to maximize sales and reduce costs when using AdWords and Google Shopping.
    Technologies: Amazon Web Services (AWS), Node.js, Azure, AWS, C#, .NET
  • Part-time Teacher

    2013 - 2015
    ORT Argentina
    • Helped students to develop their capstone project in this technical high school's programming specialization.
    Technologies: Microsoft SQL Server, MySQL, PHP, Android, .NET
  • .NET Developer

    2003 - 2009
    Sappco SRL
    • Developed for websites and desktop environments, mostly in C#, for offshore companies.
    • Developed and designed a framework from scratch in C# for a large-scale company.
    • Created security-related software for a government bureau, mostly in regards to digital signature validation on official documents.
    • Programmed Objective-C desktop apps for marketing projects.
    • Developed C libraries for Arduino projects.
    • Built performance tools and algorithms for measuring the consumption of energy in different buildings.
    Technologies: C#
  • Datawarehouse Developer

    2002 - 2003
    Comsoft
    • Conducted ETL design and development for different data warehouses.
    • Programmed MDX queries.
    • Designed and developed cubes.
    • Created dashboards and balanced scorecard tools.
    • Built data warehouses from scratch for large-sized companies like Coca Cola, Tenaris, and Alto Paraná.
    Technologies: ETL, DTS, MDX, OLAP, SQL Server Analysis Services (SSAS), Microsoft SQL Server
  • Programmer

    2001 - 2002
    BHDM
    • Developed web features for large-scale companies, e.g., Hewlett Packard and The Discovery Channel.
    • Designed databases under different technologies, including SQL Server, MySQL, and PostgreSQL.
    • Designed and developed APIs. Developed interfaces between client components developed in Adobe Flash and server components developed in ASP/PHP.
    • Developed email marketing tools for clients like Hewlett Packard and The Discovery Channel.
    • Conducted data warehousing.
    Technologies: MySQL, Microsoft SQL Server, PHP, ASP

Experience

  • Doctor Sapix Portfolio Manager

    A cloud application for financial portfolio management.

  • BonosArgentinos.com (Argentinian Bonds)

    A fixed-income platform for analyzing Argentinian bonds. This is an application I built from scratch to help local analysts to make decisions on fixed income assets. This app connects with Yahoo Finance and Bloomberg to get data (prices), and processes the data generating useful information for the analysts, e.g., Nelson & Siegel curves, IRR, etc.

  • Energy Performance Tools for Ezenics
    http://www.ezenics.com

    Developed different tools in C# mostly related to the energy sector. These tools are used to minimize the consumption of energy in buildings.

  • Doctor Sapix Derivative Analyzer

    Desktop application for analyzing different kinds of financial derivatives. I implemented quantitative algorithms for search strategies in options and futures markets.

  • ManageUP PRM

    I collaborated on the creation of this tool. It's an application for the health industry, which helps health organizations to organize themselves and produce results in a better way.

  • PowerEngage app for Aviata, Inc.

    I collaborated with Aviata, Inc., developing the Power Engage App for Mac OS. Power Engage is a preinstalled application on computers that helps users and hardware companies to manage their relationships, allowing the user to register hardware components, manage warranties, etc.

  • A3Equipo
    http://www.a3software.com/a3equipo-gestion_departamentos_rrhh.htm

    Designed and developed different components for A3Equipo, a product related to human resources offered by A3Software (Wolters Kluwer).

  • A3Asesor
    http://www.a3software.com/a3asesor-asesorias_y_despachos_profesionales.htm

    Designed and developed different components for A3Asesor, a law-related product offered by A3Software (Wolters Kluwer).

  • Robot controller for Arduino Car

    I developed a robot controller for an Arduino car. This controller is capable of remembering actions and executing them in the future, e.g., you can schedule a set of movements for each motor, turn on/off the sensors, etc. The car is controlled by using a C# app that connects with the car by using serial communication over Bluetooth.

  • C# Software for Android APK Decompilation and Analysis
    https://www.mpegla.com/

    I developed a tool that allows a company that works with software patents and licenses to analyze different Android mobile apps in order to check if these apps use any of the packages that are protected by their licenses. The idea behind this tool is to automate a very time-consuming process that was done manually. The software is capable of analyzing hundreds of mobile apps without human intervention and provides a report of the packages that are used on them.

  • MWS Amazon Auto-pricer
    http://www.sim1ems.com/

    This tool allows a company to manage the prices of the products that they offer on Amazon automatically. The tool operates based on rules, like the minimum price the company can afford, and how much profit they expect based on the product's cost. This tool aims to maximize both the time the seller has the best offer compared to its competitors and the profit made out of its sales.

Skills

  • Languages

    Visual Basic .NET (VB.NET), C#, SQL, Python, ActionScript, JavaScript, PHP, Haskell, C, Pascal, HTML, C++, Objective-C
  • Frameworks

    .NET Core, NUnit, NHibernate, ASP.NET, Adobe Flex, ASP, .NET, ASP.NET Web API, ASP.NET MVC
  • Libraries/APIs

    AdWords API, Amazon MWS, LINQ, REST APIs, Salesforce API, PayPal API, Node.js, eBay API, Facebook API, jQuery
  • Paradigms

    Inversion of Control, Concurrent Programming, Dependency Injection, Unit Testing, Design Patterns, Object-oriented Programming (OOP), Business Intelligence (BI), ETL, REST, Functional Programming, OLAP
  • Platforms

    AWS EC2, Amazon Web Services (AWS), AWS Lambda, Azure, Windows, Blockchain, Visual Studio Code, Linode, AWS Elastic Beanstalk, Heroku, Xamarin, Windows Phone 8, Arduino, MacOS, Android
  • Other

    Algorithms, Software Architecture, Lambda Functions, Data Structures, APIs, Quantitative Finance, Capital Markets, Relational Database Services (RDS), IoC, Web Services, Domain-driven Design (DDD), Product Management, AWS, BitMEX, Finance, Systems, Engineering, APK, Multithreading, AWS API Gateway, AWS Route 53, Ajax
  • Tools

    Amazon SQS, NuGet, TortoiseSVN, Flash Builder, Zapier, Visual Studio, AWS IAM, Git, Jira, Xcode, GitHub, Mercurial, Subversion (SVN)
  • Industry Expertise

    Banking & Finance
  • Storage

    AWS S3, MySQL, Microsoft SQL Server, SQL Server Analysis Services (SSAS), Elasticsearch, PostgreSQL, NoSQL, MongoDB

Education

  • Master's degree in Finance
    2009 - 2010
    Universidad Torcuato Di Tella (UTDT) - Buenos Aires, Argentina
  • Engineer's degree in Systems Engineering
    2001 - 2007
    Universidad Tecnológica Nacional (UTN) - Buenos Aires, Argentina

Certifications

  • AWS Certified Security - Specialty
    DECEMBER 2019 - DECEMBER 2022
    AWS - Amazon Web Services
  • AWS Certified Solutions Architect - Associate
    DECEMBER 2018 - DECEMBER 2020
    AWS - Amazon Web Services
  • Deep Learning Explained (edX - DAT236x)
    AUGUST 2018 - PRESENT
    Microsoft | via edX
  • Python for Data Science (edX - DSE200x)
    AUGUST 2018 - PRESENT
    University of San Diego | via edX

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