Desenvolvedor de front-end

We’re looking for the special, unique and amazing YOU! 🚀

At KCS IT, we look for people who stand out — those who are always striving to be better, who fight for quality, and who share our core values: dedication, energy, integrity, transparency, flexibility, trust, honesty, hard work, proactivity, and teamwork.

At KCS IT, we stand for equality and diversity. We foster a safe, inclusive 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 the right skills for the position are welcome.

We are looking for an Amazing: Web Frontend Developer

Candidates must be living in Portugal.

Seniority: Minimum 5 years

Type of position: Hybrid (Braga or Coimbra – 1x per week onsite)

The amazing you will have:

• 5+ years of experience as a Frontend Developer, with strong expertise in ReactJS and Redux
• At least 2+ years of hands-on experience with Next.js, including Server-Side Rendering (SSR) concepts
• Strong knowledge of JavaScript and TypeScript
• Experience with Node.js and integrating WebSocket and/or Server-Sent Events (SSE) in frontend applications
• Solid understanding of component-based architecture and proven experience building and maintaining reusable UI components
• Strong experience with Server-Driven UI (SDUI) patterns and rendering dynamic user interfaces from backend-driven schemas
• Familiarity with chat prompt design patterns and conversational UI paradigms (e.g., AI assistant responses, structured user inputs, inline feedback)
• Experience consuming and integrating REST APIs
• Understanding of accessibility standards and responsive design best practices
• Experience working in Agile environments, using tools such as Jira, Git, and CI/CD pipelines
• Fluent English (spoken and written), used daily in the work environment

To turn yourself from amazing to unique, you’ll have (plus):

• Experience in real-time applications or AI-driven user interfaces
• Related technical certifications

Tech Stack:

• JavaScript, TypeScript
• React, Next.js, Redux
• Node.js
• WebSocket, Server-Sent Events (SSE)
• REST APIs
• CI/CD, Git

Why should you become part of our family? 💙

• Personalized career development: your growth plan is tailored to your goals, both short and long term
• Interesting challenges ahead: work with multiple clients across different industries
• Free training programs: technical, behavioral, business, and language training to accelerate your development
• International projects: opportunity to work on international initiatives
• Flexible work models depending on the project:
• Hybrid systems that balance collaboration and focus
• Full remote projects
• Full onsite projects
• Well-being first: free nutrition, psychologist, and general medicine appointments, plus yoga and personal training sessions — all remote

Who are we?

Founded in 2008 and based in Lisbon, KCS IT is a consulting company specialized in Information Technology and Services, focused on creating value through Consulting, Outsourcing, Innovation, and Training.

With hubs in Porto, Leiria, and the Azores, we actively contribute to national and international technology projects. Since 2018, KCS IT has been recognized as one of the Top 10 companies in the Index of Excellence, highlighting our strong commitment to employee development and satisfaction.