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Rolando – React, React Native, Typescript, experts in Lemon.io

Rolando

From Portugal (GMT+1)

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Mobile DeveloperSenior
Hire developer
10 years of commercial experience
Automotive
Business intelligence
Communications
E-commerce
Food and beverages
Hospitality
Retail
Travel
Collaboration tools
Enterprise software
Mobile apps
Platforms
Lemon.io stats
1
projects done
2278
hours worked
Open
to new offers

Rolando – React, React Native, Typescript

Meet Rolando, a Senior Mobile Developer who is passionate about creating user-friendly solutions using React Native. He prioritizes delivering high-quality work and has a strong interest in JavaScript, TypeScript, and React.js. Rolando values kindness, respect, and empathy in his work and enjoys facing challenges and collaborating effectively within a well-organized team.

Main technologies
React
7 years
React Native
5 years
Typescript
3 years
Additional skills
Node.js
Apollo Client
GraphQL
Backbone.js
JavaScript
Styled-components
Apollo GraphQL
Ruby
Ruby on Rails
Docker
GitHub
HTML
Jenkins
Jest
Enzyme
Bitbucket
Cucumber
Next.js
Ready to start
ASAP
Direct hire
Potentially possible

Ready to get matched with vetted developers fast?
Let’s get started today!Hire developer

Experience Highlights

Solo product owner
Jul 2024 - Ongoing2 months
Project Overview

A travel recommendation site that offers the best advice and deals when it comes to exploring the world *Is a personal project

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Responsibilities:
  • Created and worked on the front end and back end
  • was in charge of the database and data schema
  • came up with UI ideas
  • fixed bugs
  • built features
Project Tech stack:
Next.js
React
Supabase
Tailwind CSS
Typescript
Senio React Native dev
Apr 2022 - Jul 20242 years 3 months
Project Overview

The company develops holistic Software-as-a-Service solutions that enable global companies from various industries to ensure transparency, efficiency, and trust along their entire value chain. Their most important client is Coca-Cola, which has a complex distribution mobile application used by thousands of drivers across Germany and other countries, Rolando was part of an 8+ team of talented people working 100% remotely focusing mostly on mobile challenges that include feature release, deployments, bug fixes, improving performance issues, among others

Skeleton
Skeleton
Skeleton
Responsibilities:
  • Built new features
  • added e2e test to the code base
  • added unit test to the code base
  • debugged and resolved the application issues
  • added full documentation to the project
  • participated in Agile sessions
Project Tech stack:
React Native
Typescript
Azure DevOps
Appium
e2e testing
Unit testing
React Native and React.js Developer
Jun 2020 - May 20221 year 11 months
Project Overview

A company that specializes in acquiring the best Cult & Rare wines to ensure clients the type of wine experience intended by the winemakers.

Skeleton
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Responsibilities:
  • Rolando helped to build a large, top-performance mobile and web app, which includes a wide variety of features that allow users to buy, trade, bid, and offer wines around the best user experience;
  • setup unit test env plus getting the web project from 0 to 60% coverage;
  • setup unit test env plus getting the mobile project from 0 to 40% coverage;
  • helped to plan 2 weeks springs, workflows, splitting big "chunks" of work into smaller pieces, among other agile contributions;
  • converted Figma designs into UI features;
  • fixed bugs.
Project Tech stack:
React
React Native
GraphQL
Apollo Client
Typescript
React.js Developer
Mar 2019 - Jun 20201 year 3 months
Project Overview

An enterprise software solution with the goal of improving communication and collaboration between workers used by important clients like Vodafone, Monster jobs, FCB Barcelona, and others.

Skeleton
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Responsibilities:
  • Rolando took charge of the product integration with Microsoft Teams along with SharePoint and implementation of a large codebase into the desktop application;
  • built complex UI features;
  • helped migrate the main legacy code into a modern React.js app;
  • implemented unit tests to the codebase;
  • fixed bugs.
Project Tech stack:
React
Typescript
CSS
Backbone.js
React.js Developer
Sep 2018 - Mar 20196 months
Project Overview

A car finance site that sells used cars across the whole UK. Rolando was hired to take care of the front-end side of things in a team that did not have a dedicated JavaScript dev at the time, high challenges and responsibilities were set from the very beginning.

Skeleton
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Responsibilities:
  • Refactored an important part of the application, including best practices, unit tests, linters, among others;
  • wrote entire frontend documentation aspects;
  • helped create a team culture where communication, organization, and guidelines are a priority;
  • built large features;
  • fixed bugs.
Project Tech stack:
React
Node.js
CSS
Styled-components
JavaScript
Apollo GraphQL
Jest
Enzyme
HTML
CSS
Jenkins
GitHub
Full-stack Developer
Mar 2018 - Sep 20186 months
Project Overview

Experienced and successful businesses from the listed services group The Panoply (AIM: TPX), providing end-to-end solutions across insights, strategy, and delivery. The services include:

  • software engineering;
  • product management;
  • intelligent automation;
  • data intelligence;
  • cloud platforms;
  • digital experience.
Skeleton
Skeleton
Skeleton
Responsibilities:
  • Implemented unit and end-to-end tests with Jest and Cucumber, respectively;
  • built React components and pages;
  • helped build a backend API with Ruby and Ruby on Rails;
  • converted PSD design into JSX/CSS files;
  • took charge of code reviews, Agile planning, unit, and end-to-end testing.
Project Tech stack:
React
Ruby on Rails
Ruby
JavaScript
Docker
CSS
HTML
Enzyme
Jest
Bitbucket
Cucumber

Languages

Spanish
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English
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