Lucas Leite, Full-stack Developer in Orlando, FL, United States
Lucas Leite

Full-stack Developer in Orlando, FL, United States

Member since March 10, 2020
Lucas is a control and automation engineer who's spent the past several years building web apps for a range of industries, including robotics, health, and education. As an avid programmer, he's mastered development in Python and JavaScript, primarily using frameworks such as Flask, Express.js (Node.js), and React. Having owned a startup with hundreds of thousands of users, Lucas fully comprehends the commitment it takes to build a product from scratch and delivers software with that in mind.
Lucas is now available for hire

Portfolio

  • PepsiCo
    React, Python, Kubernetes, AWS, Django, APIs
  • Toptal Client: Edtech Startup
    Amazon Web Services (AWS), Django, Serverless, Sequelize, Node.js, AWS, Redux...
  • Chegg
    Rapid7, Heroku, Docker Compose, PostgreSQL, TypeScript, RefluxJS, Redux...

Experience

Location

Orlando, FL, United States

Availability

Part-time

Preferred Environment

Amazon Web Services (AWS), SQLAlchemy, Sequelize, Next.js, Node.js, React, Docker, Django, Flask, Python

The most amazing...

...thing I've ever done was founding and developing a successful SaaS business with 100k+ monthly users.

Employment

  • Senior Full-stack Developer

    2020 - PRESENT
    PepsiCo
    • Developed business solutions for one of the most iconic American Brands.
    • Developed both back end and front end, delivering SOLID code with sustainable code coverage.
    • Fixed bugs and improved the workflow and pipeline to better catch errors.
    Technologies: React, Python, Kubernetes, AWS, Django, APIs
  • Senior Full-stack Developer

    2020 - 2020
    Toptal Client: Edtech Startup
    • Implemented features in a Python/Django API. Added models, fixed security issues, added new endpoints, while also increasing code coverage.
    • Developed responsive user experiences in the front end using React and Redux.
    • Increased code-quality using TypeScript, better tests, and improved code standards by refactoring components using SOLID principles.
    • Developed a new service implementing a REST API using Node.js, models in Sequelize, and Lambda functions in AWS using the Serverless Framework.
    Technologies: Amazon Web Services (AWS), Django, Serverless, Sequelize, Node.js, AWS, Redux, React, Python 3
  • Senior Full-stack Software Engineer

    2020 - 2020
    Chegg
    • Worked for a major publicly traded American edtech company, building e-learning tools to help people learn to code.
    • Created high-quality React components using TypeScript and Redux with full test coverage using Enzyme, end-to-end testing, and React Testing Library.
    • Developed many features for numerous apps using Python in the back end and React in the front end, including extensive test coverage in both SOLID principles.
    • Built back-end integrations in Python to Salesforce using WebHooks and Syncers.
    • Migrated API integrations from the Google Suite platform to O365 using Microsoft Graph in Azure.
    • Implemented live-chat experiences for students, integrating with several APIs using Python and React.
    • Implemented A/B testing using Optimizely and React SDK.
    Technologies: Rapid7, Heroku, Docker Compose, PostgreSQL, TypeScript, RefluxJS, Redux, Sentry, AngularJS, Docker, React, Python 3
  • Senior Full-stack Software Engineer

    2019 - 2019
    Soccer Fantasy Game
    • Developed the full stack of a mobile app for a Serie A Brazilian soccer team using several languages and frameworks: Python, JavaScript, Node.js, Express, Flask, and Django.
    • Created a ready-to-scale microservice in GCP and developed numerous REST APIs written in Python and Node.js.
    • Implemented a monitoring and logging stack with Metabase and Sentry, including comprehensive dashboards with the main KPIs as well as usage alerts.
    Technologies: Django, Express.js, Python, Python 3, JavaScript, Heap, Sentry, Metabase, React Native, React, Node.js
  • Senior Full-stack Software Engineer

    2017 - 2019
    Menu Mais
    • Developed a digital restaurant platform featuring a digital menu with translations in over 100 languages, takeout, and dine-in ordering.
    • Implemented challenging features with a high level of customizability, including user and user-less ordering system, integration with several third-party providers, kitchen monitoring systems, and several menu variances.
    • Created a fully responsive progressive mobile app featuring auto-translation, payments, and SMS integrations.
    • Implemented a robust restaurant monitoring dashboard for the managers and owners.
    Technologies: Flask, Express.js, Python, Python 3, JavaScript, React
  • Senior Full-stack Software Engineer

    2017 - 2019
    Ouvimos Você
    • Expanded the product's full stack from zero to thousands of daily users, solving a growing business's significant problems: Scalability and constant business model changes. Used Python for the back end and JavasScript for the front end.
    • Modeled the database using the popular ORM SQLAlchemy, writing all class models, and mapping the relationships. Deployed to GCP using Cloud SQL and PostgreSQL.
    • Developed the front end using server-side rendering for some pages and JavaScript for portions of the software that required single-page application (SPA) experiences.
    • Constructed a distributed microservice infrastructure using Docker, Docker-compose, and NGINX proxying. Hosted it in the Google Cloud Platform (GCP) as well as in AWS.
    • Implemented the company engineering culture bringing in the Agile methodology, scrum, code reviews, and paired development sessions.
    • Integrated several platforms to the SaaS solution: Heap, Sentry.io, dashboards in Metabase, RD Station (marketing automation), and HubSpot Sales.
    Technologies: Flask, Express.js, Python, Python 3, JavaScript, Sentry, Metabase, React, Docker, Google Cloud Platform (GCP), MySQL, Node.js, SQLAlchemy
  • Senior Full-stack Software Engineer

    2014 - 2019
    Labfy
    • Developed the whole back end using Python/Flask and server-side rendering using Jinja.
    • Implemented a feature-management system with Python/Flask Principal for five different user types.
    • Integrated Microsoft Active Directory servers with clients using LDAP to obey the client's company compliance.
    • Fully developed single-page application front-end experiences using JavaScript.
    • Deployed in Google Cloud Platform (GCP) using Docker and NGINX proxying.
    Technologies: Amazon Web Services (AWS), Flask, Express.js, Python, Python 3, JavaScript, Sentry, Metabase, Docker, AWS, Google Cloud Platform (GCP), MySQL, Node.js, SQLAlchemy
  • Founder

    2013 - 2019
    Faz Labs
    • Founded Faz Labs, a hardware and software company. Shipped software products for hundreds of business clients.
    • Engineered a drone-accessory to combat endemic diseases—Yellow Fever, Malaria, and chikungunya—spreading in partnership with the Brazilian health-public sector. The device released pesticides to destroy mosquitoes' nests.
    • Engineered embedded hardware using electronics and microcontrollers' expertise aided by Eagle CAD and engineering enclosures and mechanisms using SolidWorks and 3D printing.
    • Developed a park-cleaning robot, writing low-level code in C and a higher abstraction layer in Python. Winner of the international "Laureate Award for Excellence in Robotics Engineering."
    Technologies: Amazon Web Services (AWS), Flask, Python, Python 3, JavaScript, C, Sentry, Metabase, React, Docker, AWS, Google Cloud Platform (GCP), MySQL, Node.js, SQLAlchemy

Experience

  • Ouvimos Você (We Hear You)
    http://www.ouvimosvoce.com.br

    I developed a feedback platform that connects customers to business owners and people that will solve their problems. The goal was to have a smooth, direct line of contact between customers and the customer service representatives of the companies and avoid poor reviews on social networks. The solution had a good market fit with a range of industries, including hospitals, schools, restaurants, and massive festivals and fairs.

  • Menu Mais

    I developed a digital restaurant platform with a focus on translating to over 100 different languages. As I had a significant number of clients in tourism, we took the initiative to develop a product to better approach an international client who was exploring a city.

Skills

  • Languages

    TypeScript, JavaScript, Python 3, Python, C, CSS
  • Frameworks

    Django, Express.js, Flask, Next.js, Redux
  • Libraries/APIs

    React, Node.js, SQLAlchemy, RefluxJS
  • Tools

    WebStorm, Postman, Mocha, Sequelize, PyCharm, Sketch, Slack, Sentry, Docker Compose, Mongoose
  • Platforms

    Docker, Google Cloud Platform (GCP), Amazon Web Services (AWS), MacOS, Heroku, Kubernetes
  • Storage

    MySQL, PostgreSQL, Google Cloud
  • Other

    APIs, MERN Stack, Metabase, Heap, Rapid7, Serverless, AWS

Education

  • English Program in an Intensive Language Program (English)
    2019 - 2020
    Valencia College - Orlando, FL, USA
  • Bachelor's Degree in Control and Automation Engineering
    2013 - 2019
    Salvador University - Salvador, Brazil

Certifications

  • Modern React with Redux and Hooks
    AUGUST 2019 - PRESENT
    Udemy
  • Excellence in Robotics Engineering (1st, World)
    JUNE 2017 - PRESENT
    Laureate Education, Inc.
  • James McGuire Business Plan Competition Award
    JUNE 2017 - PRESENT
    Laureate Education, Inc.
  • Excellence in Robotics Engineering (2nd, World)
    JUNE 2016 - PRESENT
    Laureate Education, Inc.

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