Top Front End Developer Jobs in Lisbon

Drive end-to-end product development for iTero 3D imaging systems by translating clinical needs into software requirements, leading cross-functional agile teams, driving ML diagnostic initiatives from PoC to productization, analyzing clinical usage data for improvements, and embedding customer feedback into product decisions to enhance usability, performance, and clinical value.

Design and ship frontend features end-to-end by turning ambiguous problems into testable specifications, running AI-assisted workflows, reviewing and debugging agent-produced changes, building reusable React components, ensuring performance and accessibility, and collaborating with product and backend teams.

The Senior Frontend Developer will create user-facing features, optimize code performance, innovate with new technologies, and collaborate with team members and stakeholders.

Build and own frontend UI components for a SaaS AML platform. Collaborate with backend engineers, design performant, maintainable interfaces, ensure production reliability and observability, write tests, and contribute in agile team ceremonies.

Design and develop high-performance Angular applications, collaborate with cross-functional teams, ensure architecture and code quality, integrate complex frontend platforms (StencilJS/React), work with modern Angular (Signals, v19-21), TypeScript, RxJS, contribute to monorepo strategies and CI/CD pipelines.

Develop, maintain, and improve Angular-based web applications using TypeScript/JavaScript. Ensure code quality via reviews and testing, collaborate with cross-functional teams, and support CI/CD and continuous improvement initiatives.

Seeking a Senior Frontend Engineer to build cloud-native applications and scalable infrastructure, focusing on architecture, user experience, and data processing in a collaborative environment.

Develop and maintain scalable front-end applications using AngularJS, integrate RESTful APIs, and collaborate with cross-functional teams while ensuring performance optimization and usability.

Join Cerebras Systems to optimize and develop frontend compiler infrastructure for PyTorch models on their unique wafer-scale AI platform, focusing on model representation and optimization.

As a Front-End Web Developer, you'll create high-performance web applications, collaborating with designers and back-end developers to optimize user interfaces using modern technologies.

As a Software Engineer, you will develop features focused on business growth, collaborate with various teams, innovate customer experiences, and enhance application reach.

As a Senior Frontend Engineer, you'll develop seller-facing products, enhance the design system, and ensure high-quality TypeScript code delivery, while collaborating with teams.

Build, test, and optimize responsive web applications using Next.js and React. Collaborate with designers and back-end engineers to implement high-performance, cross-browser UIs, manage state with Redux/Context API, integrate RESTful APIs, and debug front-end issues while following best practices and maintaining clean, scalable code in a remote team.

Join OutSystems as a Mid Frontend Developer, collaborating with teams to create innovative, user-centered applications, utilizing OutSystems and AI-assisted tools.

Build and maintain modern dashboard UIs using React and TypeScript. Implement canvas-based generative AI pipelines, integrate async pipelines via WebSockets, ensure performance for large media datasets, shape UX decisions, and define data contracts with backend teams.

The role involves developing high-quality Vue.js applications, creating interactions, collaborating with back-end engineers, and writing tests.

Develop and support large frontend features, refactor existing code, and collaborate on full-stack and AI-related initiatives. Work primarily with React-based applications, ensure browser performance and correct network behavior, and apply solid programming patterns and algorithmic reasoning.

Software Engineer responsible for developing and improving features in a fast-paced environment. Involves collaboration across teams and ownership of projects throughout their lifecycle.

The Senior Software Engineer will enhance Dashlane's Web Platform quality and performance, implement testing frameworks, drive AI integration, and mentor teams.

Own and ship frontend features end-to-end with a product mindset: onboarding, activation, dashboards, and billing UI. Build AI-first experiences, instrument features (analytics, events, dashboards), run A/B experiments, collaborate with backend and cross-functional teams, mentor engineers, and maintain clean, well-tested React code.

Design and implement high-performance, data-rich frontend features using React and TypeScript. Co-own frontend architecture, component design, and state management. Collaborate with product, design, and backend teams to improve data visualization and user diagnostics. Ship production code quickly, leverage AI tools to accelerate development, and mentor engineers while promoting frontend best practices and testing.

Serve as a senior Java full-stack engineer building and maintaining backend services for blockchain applications, integrate APIs with React/Vue frontends, design scalable enterprise blockchain solutions, troubleshoot complex backend issues, and collaborate with cross-functional teams to apply best practices.

The role involves building creative tools for content editing, enhancing features with PixiJS and WebGL, and improving collaboration workflows.

Join Dragonfly's talent network as a Senior Frontend Engineer. Connect with global portfolio companies in the crypto ecosystem.

Build and ship full-stack features for North, develop autonomous agents that access sensitive enterprise data, productionize state-of-the-art models, write minimal, secure low-resource code, and collaborate with researchers to deploy performant RAG/agentic applications while prioritizing security and user experience.