55 Empregos para Front End Developer - Portugal

As a Front End Developer, you'll play a critical role in our team, taking on significant responsibilities and having the opportunity to make a real impact. Your main responsibilities will include:

• Developing and managing both front-end and back-end web applications that handle complex data, ensuring optimal performance and user experience.
• Collaborating closely with Data Scientists to build and maintain the server-side essential for our ML and LLM products.
• Partnering with Product and UI/UX teams to design intuitive and engaging interfaces that enhance the user experience.
• Architecting and optimizing databases to efficiently manage and store critical data for our AI systems.
• Engaging with cross-functional teams, including Data Scientists, Product Managers, and other stakeholders, to gather requirements and deliver scalable, impactful solutions.
• Taking ownership of projects with a proactive mindset, providing valuable input and leading initiatives to enhance our technology and processes.
• We work with Angular version 20 and leverage the latest features of the platform.

Key Requirements

• At least 5 years of experience in Angular.
• Proven experience with Angular version 16 or higher is required.
• Proven experience in working collaboratively with cross-functional teams, translating complex requirements into technical solutions.
• Excellent problem-solving skills and the ability to think critically, ensuring that all aspects of the application are optimized for performance.
• A proactive team player with a strong sense of ownership, eager to contribute to the continuous improvement of our products and processes.
• Passionate about technology and its application in improving healthcare solutions, with a desire to make a meaningful impact through your work.

Nice to Have

• Familiarity with Agile methodologies.
• Experience in healthcare technology solutions.
• Knowledge of additional front-end frameworks.

Other Details

This position offers flexibility regarding remote work arrangements and requires collaboration with various teams in a fast-paced, innovative environment focused on improving healthcare solutions.

Um Frontend Developer na nossa equipa desempenha um papel fundamental no desenvolvimento de aplicações web inovadoras e de alto desempenho. Este profissional colabora de perto com designers UI/UX, programadores backend e outras partes interessadas para proporcionar experiências digitais fluídas, que refletem tanto a excelência técnica como um design centrado no utilizador.

Esta função procura uma paixão por código limpo e escalável, bem como uma motivação contínua para melhorar a velocidade, a capacidade de resposta e a usabilidade das nossas plataformas digitais.

Responsabilidades:

• Desenvolver e manter aplicações web de alto desempenho, responsivas e centradas no utilizador, utilizando tecnologias como React e ;
• Traduzir maquetes e protótipos UX/UI em interfaces funcionais, interativas e apelativas, em estreita colaboração com a equipa de design;
• Integrar eficientemente o frontend com APIs e serviços backend, garantindo uma comunicação fluida entre sistemas e uma experiência de navegação contínua;
• Otimizar o desempenho, escalabilidade e velocidade das aplicações, assegurando uma experiência de utilizador estável e eficiente, mesmo em contextos de elevada carga;
• Criar e manter componentes reutilizáveis e modulares, promovendo uma abordagem de desenvolvimento orientada por componentes e alinhada com as melhores práticas;
• Garantir a compatibilidade cross-device e cross-browser, oferecendo uma experiência consistente em diferentes dispositivos e tamanhos de ecrã;
• Participar ativamente em ambientes ágeis, colaborando com equipas multifuncionais para planear, priorizar e executar tarefas, promovendo a melhoria contínua dos processos de desenvolvimento;

O que procuramos?

• Formação em Engenharia Informática, ou áreas similares;
• Experiência consolidada em React, com um bom domínio dos seus princípios fundamentais;
• Conhecimentos práticos no desenvolvimento de aplicações escaláveis e de elevado desempenho com , incluindo SSG (Static Site Generation) e SSR (Server-Side Rendering);
• Sólidos conhecimentos de HTML e CSS, bem como familiaridade com ferramentas de build como Webpack, Babel, entre outras;
• Experiência na aplicação de princípios de design responsivo, assegurando interfaces consistentes e eficazes em diferentes dispositivos e tamanhos de ecrã;
• Familiaridade com bibliotecas de gestão de estado como Redux, Zustand ou outras soluções equivalentes;
• Experiência na integração com APIs RESTful e GraphQL, garantindo uma comunicação eficiente entre o frontend e sistemas externos;
• Capacidade de identificar gargalos de desempenho e implementar melhorias na performance das aplicações frontend;
• Domínio de ferramentas de controlo de versões, como o Git, para uma gestão eficaz e colaborativa do código;
• Forte capacidade de colaboração com equipas multidisciplinares, incluindo programadores backend e designers UX/UI, promovendo o alinhamento entre funcionalidades, objetivos e prazos;
• Boas competências de comunicação, com aptidão para explicar conceitos técnicos e ideias de design de forma clara, tanto a perfis técnicos como não técnicos.

Summary

We are looking for an
experienced Front-End Developer
with
Angular expertise
(€30k - €45k / year).

This is a
temporary
position
to cover maternity leave (
6 months
), with a hybrid model 2x/ week in the office, in Lisbon.

You will be responsible for designing, building, and maintaining scalable, user-friendly web applications. The ideal candidate combines solid programming skills with an eye for detail and a passion for delivering high-quality user experiences.

What You'll Do

• Develop, test, and maintain web applications using
  Angular
  .
• Collaborate with designers, backend engineers, and product managers to deliver seamless solutions.
• Write clean, maintainable, and well-documented code.
• Optimize applications for speed, scalability, and usability.
• Implement responsive designs and cross-browser compatibility.
• Participate in code reviews and contribute to best practices.

What We're Looking For

• 3+ years of experience in frontend development (Angular required).
• Strong knowledge of
  JavaScript/TypeScript, HTML5, CSS3, and SCSS/SASS
  .
• Hands-on experience with
  Angular 10+
  (components, services, RxJS, state management).
• Experience consuming and integrating
  RESTful APIs
  .
• Familiarity with
  Git
  and CI/CD workflows.
• Understanding of responsive design, cross-browser compatibility, and accessibility standards.

Why you should work with us

If you're looking to build an exceptional career with an award-winning company you've come to the right place. We believe everyone at our company has a vital role to play in our success. Our company is fuelled by curiosity and is a place for people who beam with positivity and burn with ambition.

Our team is everything, so we'll take good care of you. In fact, we give well-being the same priority as our other business goals. We're strong advocates of work-life balance, offering hybrid working alongside the opportunity to work from modern, collaborative offices.

• Competitive salary
• Health insurance
• Flexible
  working hours
• Hybrid
  working model (twice a week, office in Lisbon)
• 24 days PTO,
  adding 1 day each year after the first 2 years (up to 29 days)
• Generous
  family leave policies
• Well-being allowance
  to go towards any physical or mental health activity
• Annual company trip
  that alternates between the UK and Lisbon, Portugal

Who we are

We are ranked as the UK's #1 construction specific software player and our mission is simple; to provide market leading end-to-end software solutions to the construction and construction like industries across the entire build life cycle.

If you are looking to build an exceptional career with an award-winning company you've come to the right place. Our teams are based in the UK, Europe, and India, working on products that are used on a global scale. We have a clear and defined road map to deliver over the next 3 years, which is centred around a large-scale digital transformation as well as continuing our growth and expansion.

We embrace diversity and equality and want our employees to be comfortable bringing their whole selves to work. We are committed to building a team with a variety of backgrounds, skills and views. Creating a culture of Equality isn't just the right thing to do, it improves every aspect of our business.

We are looking for skilled and passionate software developers to help us build the best products that enable the research community to advance the progress and understanding of science.

We're looking for a Mid to Senior level Frontend Developer to join a cross-functional delivery team with different nationalities, backgrounds and experience levels. All team members collaborate to deliver solutions that best satisfy the needs of our business and we are working to create a culture that encourages new ideas and innovation but within the boundaries of the technologies that best suit the vision that Springer Nature has defined.

The team sits within the Health & Professional domain in Springer Nature, and is responsible for building tools and services for doctors and professionals and support the business partners to achieve their goals.

We strive to continually improve user journeys; allowing customers to discover, access, and consume content and using elearning in a way that suits them. Our customer-centric approach is fundamental to the way we work.

Your background will have been in frontend development, having gained knowledge of a wide range of methodologies and technologies. Familiarity with and Express is a plus but not a requirement for the role - our primary focus is always the user, not the technology.

You should be comfortable working at scale on complex, long-lived systems (where robustness and maintainability take priority over the latest technology), providing incremental improvements to existing applications as well as designing and building new features - both within our applications and the browser via UI components. Experience working with design systems is a plus.

You will regularly be communicating and collaborating with multiple teams, seeking out the areas you can provide the most value. Working with your peers in the Frontend community, you will contribute to frontend practices and technology that improve user experience across the business. You should be experienced working with people from different backgrounds and seniority levels, and be comfortable having conversations around technology choices; being able to influence those discussions with knowledge of, and reference to, good frontend practices and ways of working.

The job is based in Berlin and you will routinely work remotely with colleagues in London, Berlin and Dordrecht.

Please visit the SND homepage to learn more about who we are and what we do. To gain an understanding of frontend development and our approach to accessibility at Springer Nature, browse our Frontend Playbook.

What you'll be doing

Within 3 months

• Get to know the product teams across Health & Professional and start to build good working relationships with them.
• In code contributions and discussions demonstrate understanding of, and harmony with, the constraints, goals, and strategy of frontend development at Springer Nature.
• Identify and complete tasks related to your areas of technical expertise, in collaboration with your team and other frontend developers.
• Participate in code reviews within your product team, as well as reviewing pull requests from other teams.
• Start to gain an understanding of the users of your products through collaboration with your team, especially User Researchers.
• Understand the architectural direction of frontend development at Springer Nature, and gain an understanding of how aligned to this direction the products in your domain are.
• With guidance, contribute to meetings & discussions with other disciplines to gain an understanding of how we integrate & engage with the wider business. These discussions should be conducted with patience, tolerance and empathy.
• Spread knowledge of techniques outlined in the frontend playbook (e.g. progressive enhancement, accessibility, etc) in contributions and peer reviews.
• Build a relationship with your peers in the Frontend discipline, gaining insight into collaboration and technology across the business.
• Make your first tentative contribution towards our open-source frontend playbook.
• Get to know the Frontend Enablement team (who will provide you with expertise related to performance, accessibility and architecture).
• Work with your manager to identify and undertake training to aid your professional development.

Within 6 months

• Continue to develop relationships within your team and the wider domain.
• Foster a wider understanding of our goals & technologies by demonstrating effective communication in meetings & discussions.
• Contribute to technology discussions within your product area, helping to provide solutions embodying our development practices.
• Become familiar with our design system.
• Gain a more complete understanding of the users of your products through continuing collaboration with your team, attending User Research sessions where possible.
• Identify and complete tasks related to your areas of technical expertise, with minimal supervision.
• Continue contributing towards the frontend playbook.
• You might find yourself contributing to domain-wide meetings and discussions outside of your specific team, where you will be able to talk about the technological landscape within your domain. You will be comfortable summarising these discussions with the frontend leadership team.
• Start to identify possible problems within your various domain-specific codebases, be able to describe and demonstrate those issues to the wider team, and then be able to propose solutions that conform with our preferred ways of working.
• Continue to work with your manager to identify and undertake training to aid your professional development.

Within 12 months

• Continue to spread knowledge of, and implement, techniques outlined in the frontend playbook (e.g. progressive enhancement, accessibility) in contributions and/or informal code reviews via pull requests.
• Work closely with people in Product, engaging at a very early stage in the product cycle, to help build robust products that align with the techniques in frontend playbooks.
• Demonstrate good knowledge of technology across the Health & Professional domain.
• You will be capable of advising more junior developers across the business, giving technical advice and providing constructive criticism.
• You should be helping to showcase good practices for frontend architecture within your domain.
• You should be identifying areas of the codebase within your domain where you can make improvements, in order to mitigate problems arising in the future.
• You might find yourself contributing to discussions around complex solution design tradeoffs, referencing frontend architectural requirements, and enabling a wider understanding of user needs.

Daily Responsibilities

In addition to the above, daily responsibilities include:

• Participating in (very brief) team standups.
• Participating in team and discipline slack channels.
• Participating in other channels related to your key area(s) of expertise.
• Participating in retrospectives (and post-incident review meetings, if they occur).

At CONTISYSTEMS we believe that each person contributes in a unique way so that we can continue to be recognized as a brand that is synonymous with ideas and efficiency.

Our people are passionate about the challenge and focused on results.

We are proof that creativity, dreams, experience, joy and ambition can all be characteristics of the same person. Become one of us.

We are looking to strengthen our team with a Front-End Developer with the following profile:

Main responsibilities:

• Developing and maintaining responsive, accessible and optimized web interfaces.
• Implementing reusable and scalable components, following design patterns and good architectural practices.
• Collaborate with product, UX/UI and back-end teams to deliver complete solutions.
• Ensuring code quality through unit, interface and integration tests.
• Monitor technological trends and propose continuous improvements to products and processes.

Technical requirements:

• Solid fundamentals: HTML5, CSS3, JavaScript (ES6+).
• TypeScript.
• Main framework: React.
• Experience with additional frameworks valued: , Angular,

Good practices valued:

• Applying design patterns to the front-end.
• Architecture of reusable components.
• Accessibility (A11y).
• Responsive and mobile-first design.

Tests and qualities:

• Unit testing.
• UI testing.
• Integration tests.

Personal profile:

• A collaborative mindset and a love of multidisciplinary teamwork.
• Detail orientation and quality of delivery.
• Ability to learn continuously and adapt to new technologies.

Conditions:

• Dynamic and collaborative work environment, with a focus on sustainability and technology;
• Competitive remuneration, aligned with objectives and results;
• Various opportunities for professional development;
• Integration into a leading company in the sector.
• Health insurance.

Applications must be submitted using the form below.

In line with our principles of inclusion, diversity and non-discrimination, the analysis of applications will be carried out respecting the principles of equal opportunities and in accordance with our Data Protection and Privacy Policy.

Only selected candidates will be contacted and all other applications will be stored in the system for a period of one year, unless we are informed otherwise.

A Company you will be happy to grow with

At InnoTech, it´s all about connecting people with business through technology.

We care about you, your
happiness
, and your
well-being
. We seek people who want to learn and further improve their skills with us –
growth
is part of our DNA, and that's why we're proud to be certified as a
Great Place to Work
and to be
among the Top 50 Best Workplaces in Portugal
For us,
sustainability
is not just a word.
Integrity
and
social responsibility
lead our behavior.

We dare to be
different
, ambitious, dream big, and deliver value like no other You will have the opportunity to work with
top-level partners
in the banking area, insurance, retail, telecommunications, financial services, and so much more

Join our team of 180+ InnoTechers and bring your talent as a
Senior
Front-end Developer
.

Your Mission Will Be:

• Web application development with ;
• Develop user-oriented applications using ;
• Create modular and reusable components and libraries;
• Optimize your application for performance;
• Propose any necessary updates to keep up with modern development best practices.

You Will Need:

• Strong experience with JavaScript, and framework;
• Good knowledge of HTML5 and CSS3, including Sass or Less;
• Familiarity with automated JavaScript testing, specifically with test frameworks such as Jest, Mocha or Tape;
• Experience in consuming and designing RESTful APIs;
• CPLP nationality or an EU work permit and fluency in Portuguese.

Would Be Awesome If You Have:

• BSc or MSc in Computer Science/Engineering, Information Technology, or related;
• Knowledge of AWS functionalities;
• Knowledge in databases like Dynamo, ElasticSearch, or Redis;
• Fluency in English.

With Us You Can Be a:

• TechThinker
  – people who want to re-imagine technology with us;
• TechSolver
  – strategic, resilient, and a little bit of a puzzle lover;
• InnoMinder
  – inhale innovation, exhale digital transformation;
• InnoTecher
  – no words needed. Just happiness, talent, and all the above

Are you convinced? Come see it for yourself.

Join our Top-Notch Team

Mutual Respect, Empathy, Innovation and Professional Pride. Do you identify with these values?

Founded in 2006 with the mission "To Challenge Complexity," Closer Consulting is a Data Science company specializing in Business Intelligence, Advanced Analytics, and Artificial Intelligence.

By developing projects in the most diverse industries – Banking, Telecommunications, Health, Retail, Energy, Insurance or Aviation - we analyze data, transforming it into knowledge for our clients, allowing them to adopt the best decision-making for their respective organizations and businesses.

We seek a
Senior
Front End
willing to accept new challenges in our Closer team.

We are looking for a
Senior Web Frontend Developer
with 5+ years of experience to join our team and contribute to building innovative, high-quality products.

Tech Stack

• JavaScript, TypeScript
• React, , Redux
• WebSocket, SSE
• REST APIs

Responsibilities

• Develop and maintain scalable, high-performance frontend applications using React, , and Redux.
• Integrate real-time solutions with WebSocket and Server-Sent Events (SSE).
• Build and manage reusable UI components, applying best practices in component-based architecture.
• Implement and optimize
  Server-Driven UI (SDUI)
  patterns to dynamically render frontend from backend-driven schemas.
• Work with
  conversational UI paradigms
  (chat prompts, AI assistant responses, inline feedback, etc.).
• Ensure accessibility compliance and responsive design across all interfaces.
• Collaborate in Agile teams, using tools such as Jira, Git, and CI/CD workflows.

Requirements

• 5+ years of professional experience in frontend development with
  ReactJS, , and Redux
  .
• Proficiency in
  
  and experience integrating
  WebSocket
  or
  SSE
  into frontend workflows.
• Strong understanding of
  component-based architecture
  and proven experience building reusable components.
• Hands-on experience with
  Server-Driven UI (SDUI)
  design patterns.
• Familiarity with
  conversational UI
  and design patterns for assistant-like user experiences.
• Solid knowledge of
  accessibility standards
  and
  responsive design
  .
• Experience working in
  Agile environments
  with modern collaboration and DevOps tools.

If you believe in this match as much as we do, send your CV to and reach the closest side of life.

Closer is a company that values diversity and inclusion. We are committed to fostering an environment where everyone is treated with dignity and respect, regardless of race, gender, beliefs, sexual orientation, physical or mental disability, or other personal characteristics.

A Widgilabs é uma das principais agências de WordPress para empresas, sediada em Lisboa, Portugal. O seu portefólio inclui marcas de renome como o Observador, , Forbes Portugal, UNICEF Portugal, Unbabel, Seedrs, ANACOM, Agenda Cultural de Lisboa, Uniplaces, entre outras, o que os torna uma referência para empresas que procuram criar websites e experiências digitais de excelência.

Requisitos

• Licenciatura na área de Engenharia Informática ou similar
• Domínio de (3+ anos)
• Bons conhecimentos de HTML5, CSS3 e JavaScript (5+ anos)
• Conhecimentos de PHP para ajustes e desenvolvimento básico
• Experiência em integração de frontends personalizados
• Conhecimentos de ferramentas de build (ex: Vite, Webpack)
• Uso de Git para versionamento de código
• Noções de UX/UI
• Capacidade de comunicação e trabalho em equipa
• Autonomia e proatividade na resolução de problemas
• Atenção ao detalhe e foco no utilizador
• São valorizados conhecimentos em

Principais responsabilidades

• Implementar layouts em HTML/CSS/JS com base em ficheiros Figma com os layouts Web e mobile.
• Demonstrar sensibilidade face ao design da interface do utilizador e atenção ao detalhe

O que oferecemos

• Uma oportunidade de trabalhar numa empresa líder e inovadora
• Desenvolvimento contínuo de habilidades e carreira
• Uma cultura de trabalho colaborativo e de apoio
• Remuneração competitiva e pacote de benefícios

Consulta os requisitos e envia o teu CV para

WPP is the creative transformation company. We use the power of creativity to build better futures for our people, planet, clients, and communities.

Working at WPP means being part of a global network of more than 100,000 talented people dedicated to doing extraordinary work for our clients. We operate in over 100 countries, with corporate headquarters in New York, London and Singapore.

WPP is a world leader in marketing services, with deep AI, data and technology capabilities, global presence and unrivalled creative talent. Our clients include many of the biggest companies and advertisers in the world, including approximately 300 of the Fortune Global 500.

Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow.

Why we're hiring:

This program of work is central to WPPs' continued success, helping augment their world class AI with a back-office workflow platform. The value add is to enable agencies to manage their work end to end within our innovate platform.

This is a greenfield program of work to replace their existing workflow system with bespoke .Net development using a microservice architecture in Azure and Kubernetes.

What you'll be doing:

We are looking for a talented Senior Front-End Developer to join our dynamic team. This role will focus on building and maintaining high-quality web applications with a focus on ReactJS (or similar frameworks), micro frontends, Test-Driven Development (TDD), and automation testing. If you're passionate about creating seamless, scalable, and maintainable user interfaces, we'd love to meet you

This role will report into the Tech Lead of your work stream or into the Senior Director of Development.

• Design, develop, and maintain modern web applications using ReactJS (or similar front-end frameworks).
• Architect and implement micro frontends to ensure modular, scalable, and efficient solutions.
• Collaborate with cross-functional teams (design, backend, product) to deliver seamless user experiences.
• Ensure the quality of code through Test-Driven Development (TDD) practices and write unit, integration, and end-to-end tests.
• Implement automation testing frameworks to improve testing efficiency and coverage.
• Optimize front-end performance for speed and scalability.
• Participate in code reviews and provide constructive feedback to junior developers.
• Stay up to date with the latest front-end development trends, tools, and best practices.
• Mentor and guide junior and mid-level developers, fostering a collaborative and growth-oriented environment.

What you'll need:

• Strong experience in ReactJS or similar modern JavaScript frameworks , Angular, etc.).
• Proven experience working with micro frontends architecture and principles.
• Solid understanding of Test-Driven Development (TDD) and hands-on experience in writing testable code.
• Familiarity with automation testing tools and frameworks (e.g., Jest, Cypress, Selenium).
• Deep knowledge of HTML5, CSS3, and JavaScript (ES6+).
• Experience with state management libraries like Redux, Recoil, or similar.
• Strong understanding of version control systems, especially Git.
• Knowledge of RESTful APIs and integrating front-end with back-end services.
• Familiarity with build tools like Webpack, Babel, and task runners like Gulp or Grunt.
• Excellent problem-solving skills and ability to work autonomously.
• Strong communication skills and ability to work in an agile team environment.

Nice to have:

• • Experience with containerization and Docker.
• Knowledge of cloud-based platforms (e.g., AWS, Azure, Google Cloud).
• Experience with CI/CD pipelines and DevOps practices.

Who you are:

You're open: We are inclusive and collaborative; we encourage the free exchange of ideas; we respect and celebrate diverse views. We are open-minded: to new ideas, new partnerships, new ways of working.

You're optimistic: We believe in the power of creativity, technology and talent to create brighter futures or our people, our clients and our communities. We approach all that we do with conviction: to try the new and to seek the unexpected.

You're extraordinary: we are stronger together: through collaboration we achieve the amazing. We are creative leaders and pioneers of our industry; we provide extraordinary every day.

What we'll give you:

Passionate, inspired people – We aim to create a culture in which people can do extraordinary work.

Scale and opportunity – We offer the opportunity to create, influence and complete projects at a scale that is unparalleled in the industry.

Challenging and stimulating work – Unique work and the opportunity to join a group of creative problem solvers. Are you up for the challenge?

We believe the best work happens when we're together, fostering creativity, collaboration, and connection. That's why we've adopted a hybrid approach, with teams in the office around four days a week. If you require accommodations or flexibility, please discuss this with the hiring team during the interview process.

WPP is an equal opportunity employer and considers applicants for all positions without discrimination or regard to particular characteristics. We are committed to fostering a culture of respect in which everyone feels they belong and has the same opportunities to progress in their careers.