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KCS iT

Java & React with AI (REMOTE @Portugal)

EU

September 18, 2026 at 9:13 AM

✨ AI summary

Location

  • Portugal Remote

Programming Languages

  • Java
  • JavaScript
  • TypeScript

Frameworks

  • Spring Boot
  • React
  • Next.js

Experience Level

  • Mid-level (5+ years)
  • Senior (8+ years)

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


@ KCS IT, we look for the ones that stand out, for those that always want to be better and fight for it, and for those who have the same values that we do: 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: Full Stack Engineer (REMOTE @ Portugal)


Open positions: 1 Mid-level and 1 Senior

Seniority:

  • Mid-level: 5+ years of professional experience
  • Senior: 8+ years of professional experience


Important: This is a fully remote position, but candidates must be currently based in Portugal and have valid authorization to work in Portugal.


The amazing you, will have:

Strong commercial experience developing software using Java and Spring Boot;

Strong commercial experience using JavaScript and TypeScript;

Experience building modern web applications using React;

Experience building and operating distributed systems, RESTful APIs and microservices;

Experience using AI-assisted development tools to support activities such as:

  • Code generation and refactoring;
  • Test creation and automation;
  • Documentation generation;
  • Code analysis and review;

Ability to review, validate and improve AI-generated outputs to ensure quality, security and maintainability;

Strong technical investigation and problem-solving skills;

Strong understanding of software engineering best practices, testing, code quality and maintainable code;

Strong understanding of web performance, accessibility and responsive design;

Strong understanding of CI/CD practices and modern software delivery approaches;

Experience with containerisation technologies;

Understanding of infrastructure, monitoring and observability practices;

Strong problem-solving skills and the ability to contribute effectively within a collaborative, cross-functional team environment;

Fluency in English is mandatory;

Currently based in Portugal and authorized to work in Portugal.


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

  • Experience with Next.js;
  • Experience with Kubernetes and container orchestration platforms;
  • Experience with Kafka or other event-streaming technologies;
  • Experience working with modern observability and monitoring tools;
  • Experience working within large-scale digital, retail or eCommerce environments;
  • Related certifications.


Why should you become part of our family?

  • You can develop a career that fits you: your career development is personalized, taking in consideration your needs and goals from a 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 to reach your full potential faster.
  • International projects: you can gain international experience while working remotely from Portugal and balance a new way of living with work.
  • Full Remote: if you want to work while enjoying the comfort and flexibility of your home, this opportunity allows you to work remotely from anywhere in Portugal.
  • 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 2008 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 2018 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.