Maria Ines Parnisari, Developer in Vancouver, BC, Canada
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Maria Ines Parnisari

Verified Expert  in Engineering

Software Developer

Location
Vancouver, BC, Canada
Toptal Member Since
December 23, 2016

Maria Ines is a senior software engineer with experience in a broad set of topics, including distributed services, manual and automated testing, technical writing, DevOps, and Go. She has worked using Scrum methodologies and with local and remote teams. She currently works for Okta.

Node.jsAmazon DynamoDBGoAngularJSTeamCityOpen SourceAngular BootstrapAmazon Web Services (AWS)Visual Studio Code (VS Code)JavaScriptGitC#MySQLMochaGulp

Portfolio

Okta
Go, Terraform, Amazon Web Services (AWS), Open Source, Amazon DynamoDB
Amazon Web Services (AWS)
APIs, IntelliJ IDEA, Perl, Java
Southworks (Microsoft Vendor)
Autofac, Jira, SignalR, JavaScript, ASP.NET MVC, TeamCity, .NET, C#

Experience

Amazon Web Services (AWS) - 5 yearsNode.js - 3 yearsJavaScript - 3 yearsGit - 3 yearsGo - 2 yearsC# - 2 yearsAmazon DynamoDB - 2 yearsAngularJS - 1 year

Availability

Part-time

Preferred Environment

GitHub, GoLand, Amazon Web Services (AWS), Amazon DynamoDB, Go

The most amazing...

...project I've worked on is a payments app which had 1,000 monthly active users. It caught on and companies tried to copy it!

Work Experience

Senior Software Developer

2021 - PRESENT
Okta
  • Acted as a lead member of a distributed team of engineers building a highly available and fast authorization service that offers SQL and NoSQL data stores.
  • Engaged with the community by reviewing code, answering questions, and updating technical documentation. I co-presented "Modernizing Authorization for Cloud Native Applications with OpenFGA" at KubeCon Chicago.
  • Led the security aspect. Reported, scored, and reviewed CVEs. Won 1st place in company-wide internal security challenges.
  • Provided operational support. Mitigated and detected root-cause production incidents. Wrote playbooks and post-mortems.
Technologies: Go, Terraform, Amazon Web Services (AWS), Open Source, Amazon DynamoDB

Software Engineer

2017 - PRESENT
Amazon Web Services (AWS)
  • Worked on the Prime Pantry team for two years doing full-stack development.
  • Engaged in AWS CloudFormation for two years doing back-end development. Improved the main service: reduced service's build time and latency of main APIs by removing duplicate service calls.
  • Improved AWS CloudFormation linter and Visual Studio Code (VS Code) extension by adding graph previews.
Technologies: APIs, IntelliJ IDEA, Perl, Java

Software Engineer

2017 - 2017
Southworks (Microsoft Vendor)
  • Built demos on the main Azure website that showcased several Microsoft Cognitive Services.
  • Enhanced the automated code review workflow of the company by enforcing StyleCop standards on each pull request.
Technologies: Autofac, Jira, SignalR, JavaScript, ASP.NET MVC, TeamCity, .NET, C#

Full-stack Software Developer

2016 - 2016
Vinti, Inc.
  • Updated the back-end to support new features such as peer-to-merchant payments.
  • Enhanced a mobile application both by adding new features like support for promotions and reducing the APK size in half.
  • Enhanced the point-of-sale website.
  • Provide customer support whenever necessary.
Technologies: Mocha, Less, CSS, HTML, Gulp, JavaScript, Ionic, AngularJS, Redis, MySQL, Node.js

Developer

2015 - 2016
Quadion Technologies (FIS, ex SunGard Vendor)
  • Implemented a new functionality according to business rules in AngularJS.
  • Wrote automated UI tests using Selenium and C#.
  • Enhanced an internal application of the company to manage employee data.
  • Used Scrum in my work environment by having daily and weekly meetings with the client via Skype.
  • Integrated test and code coverage results of the internal apps of the company with a Jenkins CI server.
  • Enhanced the Gulp scripts of the company to reduce its run-time.
Technologies: Selenium, AngularJS, Windows Communication Foundation (WCF), C#

Developer

2013 - 2015
Southworks (Microsoft Vendor)
  • Wrote and reviewed technical documents demonstrating the use of cutting-edge technologies.
  • Maintained the TeamCity server, automated the deployment of websites, and PowerShell scripts as one of the DevOps for a group within Microsoft.
  • Helped with the development of demos presented during the build keynotes.
  • Created and executed the manual and automated test cases using Selenium and C#.
  • Used bug-tracking and backlog management tools (e.g., YouTrack and Visual Studio Online) and Hyper-V virtual machines as testing environments.
Technologies: ASP.NET, Selenium, Git, Visual Studio, Windows PowerShell, TeamCity, C#

Arg.js

https://github.com/miparnisari/arg.js
An open-source utility library to handle validation of Argentinian phone numbers, bank accounts, and document numbers.

Coursera Course on Design and Analysis of Algorithms

https://github.com/miparnisari/coursera-design-algorithms-part1
A Node.js implementation of several well-known algorithms, including:
• Counting inversions in an array using merge-sort/quick-sort.
• Calculating the strongly connected components of a graph.
• A Dijkstra algorithm for finding the shortest path in a weighted graph.

Blog

https://miparnisariblog.wordpress.com/
A personal software development blog.

Personal Website (Spanish)

With around 500 monthly views, the website features lecture notes written in LaTeX that I took while attended university. They became very popular and ultimately led to the creation of an open source project to write notes for all the lectures (https://github.com/fiuba-apuntes).

StackOverflow Profile

https://stackoverflow.com/users/1623249/maria-ines-parnisari?tab=profile
Top 2% of the users this year. Top three answerer of the "Microsoft cognitive" tag. https://stackoverflow.com/tags/microsoft-cognitive/topusers

Node.js SDK for Microsoft Cognitive Services

https://github.com/joshbalfour/node-cognitive-services
An npm module with 70+ stars on GitHub that works as a wrapper to the Microsoft Cognitive Services.

Languages

Go, JavaScript, C#, HTML, CSS, Java, Perl, Less

Frameworks

AngularJS, Windows PowerShell, ASP.NET, .NET 4, .NET, Bootstrap 3+, Ionic, NHibernate, Express.js, ASP.NET MVC, Selenium

Libraries/APIs

Node.js, SignalR, jQuery DataTables, Should.js

Tools

Visual Studio 2015, Sequelize, TeamCity, GoLand, Git, Mocha, Gulp, Visual Studio, Jira, IntelliJ IDEA, Vagrant, Autofac, GitHub, Terraform

Storage

JSON, Amazon DynamoDB, MySQL, Redis

Other

Pull Requests, Software Development, APIs, Angular Bootstrap, Open Source, Windows Communication Foundation (WCF), UML Diagrams, HTTP, Writing & Editing

Platforms

Visual Studio Code (VS Code), Windows, Amazon Web Services (AWS), Visual Studio 2017, Azure, Android, Mobile

2009 - 2015

Bachelor's Degree (7.75/10 GPA) in Computer Engineering

University of Buenos Aires - Buenos Aires, Argentina

AUGUST 2015 - PRESENT

Programming in HTML5 with JavaScript and CSS3

Microsoft

OCTOBER 2014 - PRESENT

Programming in C#

Microsoft

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