Frontend Developer

Get AI-powered advice on this job and more exclusive features.
We're looking for the special, unique and amazing YOU
At KCS IT, we look for those who stand out, who always want to be better and fight for it, and for those who share our values: dedication, energy, integrity, transparency, flexibility, trust, honesty, hard work, proactivity, and teamwork.
At KCS, we stand for equality and value diversity.
We create a safe, diverse environment where opportunities are equal for everyone
We do not discriminate based on age, ethnicity, sexual orientation, gender, disability, or any factor other than merit.
All applications with skills for the position are welcome
We are looking for an Amazing: Frontend React Seniority: +5 years Type of position: HYBRID (at Porto) The amazing you will have: 5+ years of experience
in frontend development.
Experience with
state management (Redux, Zustand, MobX, or Context API).
Deep understanding of
HTML5, CSS3, SCSS, and modern UI frameworks (Tailwind CSS, Bootstrap, Material UI, Chakra UI, etc.).
Experience with
API integration (RESTful & GraphQL).
Strong understanding of
performance optimization techniques
(code splitting, lazy loading, caching).
Proficiency in
Git, version control workflows, and CI/CD pipelines.
Familiarity with
Node.Js, Webpack, Babel, and modern build tools.
Experience with
testing frameworks (Jest, React Testing Library, Cypress).
Strong knowledge of
accessibility (a11y) best practices.
Ability to work in
Agile/Scrum teams
and collaborate with cross-functional teams.
Excellent
problem-solving and debugging skills.
To turn yourself from amazing to unique, you'll have (plus): Experience with
micro-frontends architecture.
Knowledge of
server-side rendering (SSR) and static site generation (SSG) with Next.Js.
Experience in
Web3, blockchain, or AI-driven applications
is a plus.
Familiarity with
containerization (Docker, Kubernetes).
Strong UI/UX design sense and ability to work with design tools like
Figma, Sketch, or Adobe XD.
Why should you become part of our family?
You can develop a career that fits you : your career development is personalized, taking into consideration your needs and goals from short to long term.
Interesting Challenges Ahead : you can work for several clients from different sectors of activity.
Free training programs : Our training and certification programs in languages, tech, behavior, and business will help you reach your full potential faster.
International projects in Benelux:
you can gain international experience in Benelux and balance a new way of living with work.
Type of projects:
depending on the project you might find one of these types of projects: In hybrid Systems:
It is important to balance work with socialization, that's why a hybrid system works for us and for you.
Full Remote projects:
If you want to work while enjoying the comfort of your home.
Full Onsite projects:
if you prefer the company of your colleagues
Take care of your well-being:
Enjoy our free nutrition, psychologist, general medicine appointments, and our yoga and personal training days... all remote
Who are we?
Founded in ** and based in Lisbon, KCS IT is a consulting company in the field of Information Technology and Services, focused on creating value for our clients through three main areas: Consulting, Outsourcing, Innovation, and Training.
Our commitment to talent development is unmistakable in the recent opening of the Porto, Leiria, and Azores hubs, which aims to develop technology for the national and international market.
Since ** we have been elected one of the 10 major companies in the "Index of Excellence", an initiative that aims to reward organizations that invest most in the development and satisfaction of their employees.
Seniority level
Mid-Senior level Employment type
Full-time Job function
Information Technology Industries: Software Development