270 frontend English-speaking jobs in Lisbon

, you make sure frontend and backend communicate seamlessly.Your profileYou bring at least five years ... end-to-end tests to ensure stable, reliable applications.By integrating backend services and APIs into the frontend

discussions, code quality standards, and testing strategiesRequired QualificationsStrong experience in frontend ... ResponsibilitiesDesign, develop, and maintain full-stack web applicationsBuild responsive and user-centric frontend

Description Develop and maintain .NET backend applications (.NET 6/7/8) Build and maintain modern frontend ... of experience with .NET / C# Strong experience with ASP.NET Core and API development Experience with frontend

power complex, data-driven applications, working closely with cross-functional teams across product, frontend ... backend services and APIsDevelop well-structured, production-ready RESTful APIsCollaborate with Product, Frontend

, and maintain new features for our latest product.ResponsibilitiesDevelop and maintain backend and frontend

us.What is this challenge aboutContribute to the migration of existing .NET applications to React (frontend ... design.What we are looking for+4 years experience with Golang & React.Proven experience working across both frontend

discussions, code quality standards, and testing strategies Required QualificationsStrong experience in frontend ... ResponsibilitiesDesign, develop, and maintain full-stack web applications Build responsive and user‐centric frontend

Optimize frontend performance and ensure seamless integration with backend APIs. ... Frontend Development: Build modern and responsive web applications using ReactJS or similar frameworks ... Proficiency in ReactJS for frontend development, with knowledge of TypeScript and state management (Redux ... FullStack Software Engineer (React/Node)Frontend software engineer (React) - Europe RemoteLisboa, Lisbon

Experience writing automated tests (unit, integration) for both backend and frontend. ... Nice-to-haveDeep experience with TypeScript and modern frontend tooling (Vite, Webpack, Turbopack). ... Make architectural decisions across backend, frontend, and system integration (monolith vs microservices ... Python (FastAPI, Django, or Flask), while delivering polished, performant user interfaces using modern frontend

That means full ownership of features from backend to frontend, keeping things running when he's not ... Build and maintain features across backend and frontend Handle deployments, server updates, and day-to-day ... work with the latest technologies Probably not a fit if You specialise in only one area (backend, frontend

technical trade‐offs.QualificationsComfortable working across the full technology stack, with both frontend ... passion for automation and building reusable tools that create lasting leverage.Tech Stack TypeScript (frontend

and analyticsImplement secure authentication, authorization, and role-based access systemsOptimize frontend ... and Next.jsDevelop robust backend services and APIs using Node.jsArchitect end-to-end features across frontend ... relational databasesExperience building real-time or data-heavy applicationsFamiliarity with modern frontend

Knowledge of frontend architecture trade-offs ( SSR vs SPA , performance optimisation, SEO). ... Design and implement scalable and maintainable systems usingTypeScriptacross both backend and frontend ... Develop high-quality frontend experiences usingReact , optimising rendering performance, state management

Write high‐performance, reusable, and fully unit‐tested code for both backend and frontend components ... Frontend Development: Collaborate with the Product Designer to conceptualize and execute product designs ... years of experience as a Fullstack Developer , or similar role with experience in both backend and frontend

continuous improvement within the teamYou're ideal for this role if you have:7+ years of experience in Frontend ... Development within a professional settingExpertise in Angular, React, or VUE for frontend developmentExperience

software engineer (React) - Europe RemotePorto, Porto, Portugal $35,000.00-$40,000.00 2 months ago Frontend ... React/Node)Portugal $100,000.00-$150,000.00 2 weeks ago Front-end Developer - React (Portugal - Remote)Frontend

excellence.WhatYou'llDo:Develop, configure, and maintain full stack applications using Java and modern frontend ... years of experience as a Java Full Stack Developer.Strong hands‐on experience with SpringBoot.Strong frontend

Frontend React Web Developer | Remote Role | Long term contract Do you want to join a leading company

and experience together to shape robust, secure, and scalable digital solutions.What You'll DoDevelop frontend

development using frameworks such as Laravel, along with strong knowledge of relational databases and frontend ... version control, CI/CD, and security.Identify bottlenecks and improve application performance on both the frontend