> Markdown version of [/jobs/ext/1307737-front-end-developer](https://www.wearedevelopers.com/jobs/ext/1307737-front-end-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Front-End Developer - **Company:** Dlocal - **Location:** Gerona, Spain - **Contract:** Permanent contract - **Skills:** Clean Code Principles, JavaScript (Programming Language), User Authentication, Cascading Style Sheets (CSS), Github, Node.Js, Sourcetree, Next.js, Software Engineering, Systems Integration, TypeScript, ReactJS, Git, Webpack, Git Flow, Low Latency, Asynchronous Programming, React Testing Library, Network Server, Software Version Control - **Published:** July 17, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role + Good level of written and spoken English + 4+ years of software development experience with Javascript applications + To have ownership, being proactive and curious to work independently + Strong knowledge of React + Experience with Next.js + Experience with testing libraries + Knowledge of Gitflow, GitHub flow, and code versioning common issues with merging conflicts and how to solve them Understandings of + Static, server-side side, and client-side rendering and their differences + Concepts behind pure functions, immutability, and flux pattern + Nature of asynchronous programming and its quirks and workarounds + Fundamental design principles behind a scalable application Is a plus + Experience with Git UI tools, such as SourceTree, SmartGit, or any other + Knowledge of React 18 and concurrent features + Knowledge of React testing library + Knowledge of Typescript + Knowledge of Node.js and, specifically Express + Knowledge of Webpack, CSS modules, Jest + Knowledge of user authentication and authorization between multiple systems, servers, and environments ## Description We are looking for a Senior Front End Developer who would like to build high-performing, scalable, enterprise-grade applications and is interested in becoming a technical referent of a front-end team. You will be part of a talented software team that works on mission-critical applications with big customers like Netflix, Amazon, Nike, Facebook & more. \n What will I be doing? + Focusing on product quality and best practices + Coaching other team members and new hires + Integrating user-facing elements developed by front-end developers with server-side logic + Writing reusable, testable, and efficient code + Designing and implementing low-latency, high-availability, and performant applications + Working with micro frontends + Implementing security and data protection + Working with UX and design professionals in the generation of new products and functionalities + Working with top front-end technologies such as nextJS and react ## Related Videos - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Pragmatic Architect: Balancing Necessity vs. Sufficiency in React Systems](https://www.wearedevelopers.com/videos/2101-the-pragmatic-architect-balancing-necessity-vs-sufficiency-in-react-systems) - [Stop Using Node.js Like It’s 2020! - Alfonso Graziano](https://www.wearedevelopers.com/videos/1863-stop-using-node-js-like-it-s-2020-alfonso-graziano) ## Related Articles - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [Dev Digest 136 - No JS(on) of mine](https://www.wearedevelopers.com/magazine/482-dev-digest-136-no-js-on-of-mine) - [25 Essential Tools for Front End Developers](https://www.wearedevelopers.com/magazine/210-25-essential-tools-for-front-end-developers)