Rolando
From Portugal (GMT+1)
10 years of commercial experience
Lemon.io stats
1
projects done2278
hours workedOpen
to new offersRolando – 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
Additional skills
Ready to start
ASAPDirect hire
Potentially possibleExperience Highlights
Solo product owner
A travel recommendation site that offers the best advice and deals when it comes to exploring the world *Is a personal project
- 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
Senio React Native dev
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
- 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
React Native and React.js Developer
A company that specializes in acquiring the best Cult & Rare wines to ensure clients the type of wine experience intended by the winemakers.
- 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.
React.js Developer
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.
- 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.
React.js Developer
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.
- 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.
Full-stack Developer
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.
- 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.