Noelia Lopez, Developer in Montreal, QC, Canada
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Noelia Lopez

Verified Expert  in Engineering

Front-end Development Developer

Montreal, QC, Canada
Toptal Member Since
December 25, 2016

Noelia is a passionate software engineer with 8+ years of experience. What sets her apart is her ability to ramp up new technologies and her problem-solving skills quickly. She thrives on new challenges and enjoys pushing herself to learn and grow. She is passionate about mentoring junior developers and helping them unlock their full potential. She loves proposing new ideas, wearing many hats, and collaborating closely with different areas to achieve success.


Boston Children's Hospital
React, TypeScript, APIs, Next.js, Storybook, Rollup.js, Chromatic...
Spa Space App, Inc
Angular, Vue, Vuetify, Vite, Storybook, Agile, Azure DevOps, Jira...




Preferred Environment

MacOS, Visual Studio Code (VS Code)

The most amazing...

...project I've worked on is the 1st digital bank for Argentina called Nubi, which represents an alliance between PayPal and Banco Comafi of Argentina.

Work Experience

React Full-stack Developer

2022 - 2023
Boston Children's Hospital
  • Developed a Next.js app for all US citizens to search for nearby providers of antiviral flu medication,
  • Created a custom component library with React-styled components, and Storybook, including packaging and publishing with Lerna and Rollup, saving development time for almost 65 components and common utils functions.
  • Incorporated unit, integration, and snapshot testing using Jest, Cypress, and Chromatic to get a 95% code coverage.
  • Set the ground for best practices by creating a custom and extendable ESLint npm package, getting 100% adoption from the UI library and the Next.js apps.
  • Contributed to fixing accessibility issues.
Technologies: React, TypeScript, APIs, Next.js, Storybook, Rollup.js, Chromatic, Styled-components, Jest, Cypress, Google Analytics API, Lerna, Responsive Web Design (RWD), ESLint, Axios, Rollup

Senior Front-end Developer

2021 - 2022
Spa Space App, Inc
  • Provided analysis about performance and recommended different solutions and gained a 300% faster build time and reduced by 200% the memory usage.
  • Delivered a new and rewritten guest booking workflow that loads 50% faster.
  • Planned a rewrite strategy for the current application selecting cutting-edge technologies and architecture.
  • Gathered requirements and defined the new MVP with the product and design teams.
  • Worked closely with different departments to define priorities and understand our client's needs.
  • Started metrics, processes, methodologies, and dashboards to keep track of the progress and performance of the development team.
Technologies: Angular, Vue, Vuetify, Vite, Storybook, Agile, Azure DevOps, Jira, Web Development, Figma, Responsive Web Design (RWD), ESLint, Material UI, SCSS, Axios

Director of Engineering

2019 - 2021
  • Worked directly with some of the world's largest enterprises, including several fortune 500 companies.
  • Responsible for identifying the key requirements of a job and then selecting the best developer from Toptal's pool of talents.
  • Educated the sales team about various technologies (front-end technologies, protocols, and VPNs) and helped promote industry-standard certifications (such as React and React Native) within the Toptal talents' pool.
  • Developed a model of talent rate distribution over skills, time, and global geography to help guide/support the matchers' growth and the sales team's understanding regarding best-supported skills, supporting Toptal's best opportunities for growth.
Technologies: Jira

Senior Full-stack Developer

2018 - 2019
  • Detected several pain points on the comments feature and rewrote the entire feature from scratch.
  • Provided analysis of performance and implemented solutions to speed up the canvas rendering time.
  • Spread knowledge, fomenting good practices for our codebase.
Technologies: React, Node.js, Express.js, MongoDB, JavaScript, CSS, Front-end Development, TypeScript, Agile, Web Development, Storybook, Responsive Web Design (RWD), ESLint, SCSS, Axios

Senior Angular JavaScript Developer

2018 - 2019
Foothold Technology
  • Implemented high-fidelity mockups and migrated the old codebase to a newer Angular version.
  • Identified issue root causes and avoided technical debt through full-stack troubleshooting.
  • Provided informed opinions and guidance in various architectural decisions at the clients' request.
  • Worked remotely with professional, frequent, and open communication.
Technologies: CSS, PHP, AngularJS, JavaScript, Front-end Development, Web Development, ESLint

Senior Front-end Developer

2017 - 2017
Mercado Libre
  • Maintained and built the checkout process of Mercado Libre.
  • Delivered the cart feature and the redesign of the web application with Backbone.js.
  • Included PurifyCSS with Gulp to reduce the size of the project and delete the unused code.
Technologies: CSS, HTML, JavaScript, Front-end Development, Agile, Jira, Web Development, Amazon Web Services (AWS), ESLint, SCSS

Web Developer

2015 - 2017
  • Developed the first digital bank in Argentina, used by millions of users nowadays. An alliance between PayPal and Banco Comafi Argentina ([](
  • Resolved communication problems between the design team and developers, reducing delivery times.
  • Developed an eCommerce platform using Ruby on Rails.
Technologies: Google Analytics, jQuery, SQL, JavaScript, CSS, HTML, AngularJS, React, Front-end Development, Agile, Web Development, Amazon Web Services (AWS), Bootstrap, ESLint, SCSS, Firebase

Developed an analytic dashboard from scratch where customers can visualize all the transactions that were made through Bancolombia. With these visualizations, the clients can analyze the transactions by industry in order to understand and design new strategies to increase their sales.

Epic Gardening
Epic Gardening is a worldwide community of gardeners and growers. With gardening tips, tutorials, product reviews, and guides, your green thumb awaits. Designed and developed the landing page with WordPress.

Foothold Technology
Software that aims to improve human services.

• Implemented high-fidelity mockups into functioning React applications.
• Migrated the old codebase to a newer Angular version.
• Identified issue root causes and avoided technical debt through full-stack troubleshooting.
• Provided informed opinions and guidance in various architectural decisions at the clients' request.
• Worked remotely with professional, frequent, and open communication.
2012 - 2018

Master's Degree in Computer Engineering

Instituto Tecnológico de Buenos Aires - Buenos Aires


Graphic Design Theory



Graphic Design Bootcamp



React, D3.js, Vue, Node.js, Rollup.js, Google Analytics API, jQuery


Sketch, Google Analytics, Jira, Figma, Rollup, Chromatic, Lerna


Angular, AngularJS, Bootstrap, Material UI, React Native, Express.js, Vuetify, Next.js, Jest, Cypress


TypeScript, JavaScript, HTML, CSS, SCSS, SQL, PHP


Agile, Responsive Web Design (RWD), Azure DevOps


Visual Studio Code (VS Code), Amazon Web Services (AWS), Firebase




User Experience (UX), Front-end Development, Web Development, Data Visualization, Axios, ESLint, User Interface (UI), Storybook, Vite, APIs, Styled-components

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