Michael Pontus, Developer in Porto, Portugal
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Michael Pontus

Verified Expert  in Engineering

Software Developer

Location
Porto, Portugal
Toptal Member Since
December 5, 2018

Michael is a full-stack web developer and an expert with front-end technologies, particularly React. He is a certified AWS Solutions Architect with industry experience in cloud development and release engineering. Michael has published tutorials as an SME, contributed to open source, and built an app for fleet management in the aviation industry. He is passionate about modular architectures and enjoys performing hybrid work between code and infrastructure to bring designs to life.

Portfolio

Freelance
AWS Cloud Development, AWS Lambda, Amazon DynamoDB, Shopify API, TypeScript...
Sundae
React, TypeScript, Gatsby, Contentful, Styled-components, Google Maps API...
Skeduly
React, TypeScript, Jest, Ruby on Rails (RoR), ActiveRecord, Dry-rb, RSpec

Experience

Availability

Full-time

Preferred Environment

Git, Visual Studio Code (VS Code), MacOS, Linux

The most amazing...

...tool I've created is a language-learning app built with RxJava, Android architecture components, and Google Cloud services.

Work Experience

Back-end Developer

2020 - PRESENT
Freelance
  • Developed a platform to connect Shopify with vendors' inventories and fulfillment providers.
  • Implemented serverless architecture using AWS services: S3, Lambda, DynamoDB, and SNS/SQS.
  • Developed a modular architecture for vendor integrations using AWS Cloud Development Kit (CDK).
  • Improved observability using AWS X-Ray, CloudWatch Dashboards, and CloudWatch Logs Insights.
  • Created infrastructure to test vendor integrations by using AWS SDK, CucumberJS, and API mocks.
Technologies: AWS Cloud Development, AWS Lambda, Amazon DynamoDB, Shopify API, TypeScript, Node.js, AWS Cloud Development Kit (CDK)

React Developer

2020 - 2020
Sundae
  • Transformed a website from WordPress into GatsbyJS using Contentful as headless CMS.
  • Built a component library using React and Storybook with styled-components and styled system.
  • Created a workflow in GitHub Actions to run visual regression tests using BackstopJS.
Technologies: React, TypeScript, Gatsby, Contentful, Styled-components, Google Maps API, GitHub Actions

React and TypeScript Front-end Engineer

2019 - 2020
Skeduly
  • Built an application for fleet and personnel management in the aviation industry.
  • Developed a front end with a modular dashboard interface using React, TypeScript, and Jest.
  • Contributed to the back end written using Ruby on Rails, ActiveRecord, dry-monads, and RSpec.
Technologies: React, TypeScript, Jest, Ruby on Rails (RoR), ActiveRecord, Dry-rb, RSpec

Front-end Developer

2018 - 2019
Untaylored
  • Developed user-facing functionality for a Belgium-based fashion store.
  • Conceptualized component library based on the design reference.
  • Ensured operational safety though static analysis, runtime type checking, and E2E tests.
Technologies: Cypress, Styled-components, GraphQL, RxJS, Redux, React, TypeScript

Full-stack Developer

2018 - 2018
Freelance
  • Developed map-based mobile application and invite-based CRM system using React Native and Firebase.
  • Established CI/CD pipeline for a monorepo using CircleCI, Lerna, and Firebase CLI.
  • Implemented strategies for automated testing for Firebase security rules and cloud functions.
  • Optimized spatial data retrieval using a custom algorithm for a discrete number of regions.
Technologies: Firebase, React Native, RxJS, Redux, React

React-modal-hook

https://github.com/mpontus/react-modal-hook
A React library that provides a hook to create modal windows. The hook is responsible for state management and rendering of the modal, making it more convenient to create modals from other components. Complete test coverage is completed with Jest and react-testing-library.

k/factory

https://k-f.co/
k/factory is a software studio that builds and supports a financial ecosystem on the Centrifuge protocol, an open-source platform for decentralized finance. It provides core infrastructure and works with users to ensure adoption.

Languages

TypeScript, JavaScript, GraphQL, PHP, Ruby, SQL, CSS, HTML, CSS3, HTML5, Java

Frameworks

Redux, Jest, Ruby on Rails (RoR), Cypress, NestJS, Express.js, Symfony, Django, Kohana, Knockout (Knockout.js), React Native, Cycle.js, Dagger 2, Next.js

Libraries/APIs

React, Node.js, RxJS, Redux-Saga, Shopify API, Google Maps API, RxJava, ActiveRecord

Platforms

Linux, Docker, AWS Lambda, Firebase, Amazon Web Services (AWS), Contentful, MacOS, Visual Studio Code (VS Code), WordPress, Drupal, OpenCart, Android

Other

Styled-components, AWS Cloud Development, Gatsby, GitHub Actions, AWS Cloud Development Kit (CDK), Amazon API Gateway, Dry-rb

Tools

Amazon Simple Queue Service (SQS), Amazon CloudWatch, AWS SDK, Git, AWS Simple Notification Service (SNS), AWS CloudFormation, AWS IAM, AWS Key Management Service (KMS), RSpec

Paradigms

Reactive Programming, Functional Programming, Object-oriented Programming (OOP), Test-driven Development (TDD)

Storage

PostgreSQL, MongoDB, Amazon DynamoDB, Amazon S3 (AWS S3), MySQL

JANUARY 2024 - JANUARY 2027

AWS Certified Security - Specialty

Amazon Web Services

JULY 2020 - JULY 2023

AWS Solutions Architect Associate

AWS Certified Solutions Architect - Associate

AUGUST 2018 - PRESENT

Android Developer Nanodegree

Udacity

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