Take your career to the next level with Amaris Consulting as a Senior Frontend Developer. Be part of an international team, thrive in a global group with a €800M turnover and over 1,000 clients worldwide, and an agile environment. The ideal candidate will be responsible for developing, implementing, and maintaining advanced data solutions and ensuring the smooth operation and continuous improvement of our software applications. Join Amaris Consulting, where you will be able to develop your potential and make a difference within the company.✍️WHAT WOULD YOU NEED? ✍️- JavaScript (ES5/ES6) : 5–8 years- HTML/CSS : 5–8 years- Unit & Component Testing (Karma, Chai, Sinon, Jasmine, Mocha): 5–8 years- Integration, E2E & Visual Testing (WebdriverIO, Selenium, Playwright) + Accessibility Testing : 5–8 years- JSON, REST, web services : 5–8 years- Contract Testing : 1–3 years- CI tools (Yarn, NPM, Bower) & configuration: 5–8 years- Version control systems (GIT): 5–8 years- Rollup, Webpack, Node-based CLI tools : 3–5 years- Frontend architecture & design patterns : 5–8 years- Microfrontend strategies : 3–5 years- Framework experience (Angular, ReactJS, Vue, Polymer, or Lit-HTML/Lit-Element): 8+ years- Test-Driven Development (TDD) : 8+ years- Fluent English (verbal) : 3–5 years