
KCS IT
Data scientist
Lisbon
August 26, 2026
Full-time
We’re looking for the special, unique and amazing YOU!
@ KCS IT, we look for the ones that stands out, for those that always wants to be better and fight for it, and for those who has the same values that we do: dedication, energy, integrity, transparency, flexibility, trust, honesty, hard work, proactivity, team work.
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!
The amazing you, will have:
- Bachelor’s or Master’s degree in Computer Science, Data Science, Machine Learning, or a related field.
- 3+ years of hands-on experience in machine learning and AI development.
- Strong experience in developing and deploying agentic solutions.
- Usage Internal Use Proficiency in implementing RAG techniques.
- Experience with vector databases.
- Advanced programming skills in Python with frameworks like TensorFlow, PyTorch, and Hugging Face.
- Deep understanding of NLP techniques and architectures.
- Practical experience with traditional AI/ML methods such as decision trees, SVMs, clustering and neural networks.
- Familiarity with cloud platforms (GCP, AWS, or Azure) for AI/ML deployments.
- Knowledge of MLOps practices and tools.
- Experience with open-source and commercial LLMs.
- Nice-to-Have Knowledge of reinforcement learning from human feedback (RLHF).
- Strong expertise in Generative AI (model training, fine-tuning, and deployment).
- Understanding of ethical AI principles and model interpretability.
- Fluency in English (C1 level or higher) is mandatory.
- Fluency in French.
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 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 this types of projects):
- In hybrid Systems: 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 you enjoy 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, psychology, general medicine appointments and our yoga and personal training days… all remote.
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.
At KCS IT we defend equality and value diversity. We create a safe, diverse environment where opportunities are equal for all employees!
We do not discriminate based on age, ethnicity, sexual orientation, gender, disability or any factor other than merit. All applications with skills for the role are welcome!