Front-End Engineer

**About the team:** The Developer Experience team is responsible for the publicly available Developer Documentation, SDKs \& Libraries, APIs, and other developer tools and processes. Our focus is to offer the best experience for developers and make Trustly the payment option developers prefer and recommend. **What you'll do:** * Create and maintain features in Web including integration scripts applications and be able to develop unit tests for the same features * Responsible for investigating problems in applications in collaboration with support teams, backend teams and merchant teams * Actively troubleshoot and debug production issues directly with customers/merchants and their development teams, including participation in technical calls * Propose and do refactors * Estimate efforts for tasks with a high level of accuracy * Analyze large volumes of data to find possible problems and propose performance improvements * Identify performance issues and propose solutions * Participate in technical meetings and propose solutions to problems * Create alarms in metrics systems used by the company * Indicate new tools and technologies * Support new developers on company and train them on the development process, patterns and features * Participate in functional meetings with non\-engineering teams with knowledge about all front end features and with skills to propose solutions * Document features in the available tool * Create integrated tests in the tool provided * In refinement meetings, analyze all proposals and be able to define the best solution * Be able to participate in war rooms and create an action plan **Who you are:** * Experience developing/designing software systems; * Understanding of layout aesthetics, and a drive to create thoughtful UX experiences and pixel\-perfect web pages; * Excellent coding skills in Javascript (ES6\), HTML and CSS; * Expert in React Framework * Experience developing with React Native Framework * Strong ability to interface with and contribute to native modules on iOS and Android * Ability to implement features in backend services (Java/Node.js) and possess strong knowledge of database systems * Excellent coding skill and understanding of OO concepts; * Previous experience with source control; * Plus: Ability to communicate with teams outside your country with a high level of proficiency in English Check out our Glassdoor or our Brazil Life page on LinkedIn for more details about Brazil, our culture, and much more.