Participate in decision-making around the development of tools and strategies for new solutions and optimizations of existing products
Create, modify, and fix front-end elements in applications and components
Propose improvements and optimizations for existing tools
Contribute to increasing the team’s knowledge
Continuously pursue improvements to tools from performance and business perspectives

HTML: Responsive design, mobile-first approach, semantic markup and accessibility best practices, performance optimization
CSS: Responsive design, mobile-first approach, best practices and conventions (BEM, SMACSS, etc.), preprocessors (SASS/LESS/others), optimization and componentization
JavaScript: ECMAScript 5 (ES5) and ECMAScript 6 (ES6), best practices (Design Patterns, Clean Code, etc.), Web Components, object-oriented and functional programming, bundlers and task runners (webpack, grunt, gulp, etc.), experience with CLI
Frameworks / React: Complete React applications (latest versions), new library features, Class and Functional Components, component lifecycle, state/context (native or libraries: Context API, Redux, etc.), Hooks, component reuse, routing, forms, best practices (Design Patterns, Clean Code, etc.), communication with services via REST/GraphQL/other APIs, styling with CSS Modules/Styled Components/other approaches, build and deploy processes
Agile methodologies (Scrum and/or Kanban)
Git (Gitflow), version control, code review, activity tracking tools
Azure DevOps
Jira
Test-driven development, unit and integration tests, testing libraries and tools (Jest, Cypress, etc.)
Micro Front-End (MFE) architecture

Front-End Developer, VTEX, Mid-level

Key skills