Junior Data Scientist – R&D

  • Anywhere

Website Visor.ai Portugal, S.A

In Visor.ai, we help big companies to automate interactions with their customers using Artificial Intelligence and Chatbots.

Founded in 2016, with very consistent growth over the years, we’re working with dozens of clients from different sectors like Banks, Insurance Companies, Health, Utilities, the Public Sector, Fast Moving Consumer Goods, etc. Our team is based in Lisbon and we are currently expanding to other countries.

We are in an intense growth phase, and to strengthen our Artificial Intelligence (AI) team we want to integrate a Junior Data Scientist on our AI Research & Development team that will be working with Machine Learning (ML) and Natural Language Processing (NLP) tools, directly involved in our next-generation intelligent platform for customer support, powered by large-scale data and true state-of-the-art technologies and algorithms.

You’ll work closely with a multi-disciplinary team of Data Scientists Engineers, reporting to our CTO, and also be involved with other cross IT teams in Web Development.


Preparing applications and monitoring the execution of research projects at a European level;
Monitor and supervise initiatives and projects with universities and research centers;
Keep up to date with current developments and cutting edge technologies on AI, ML and NLP;
Conduct research and analysis of methodologies, papers, dissertations and tools that already exist within the scope of AI, ML and NLP in order to serve as a basis for the implementation of new ideas in Visor.ai product roadmap;
Implement approaches and ideas to help address challenging problems in natural language processing, according to our clients’ history of interactions;
Design algorithms that combine human employees and machines to train ML models;
Help the AI team to develop and optimize the current Visor.ai API solutions.

Job requirements
Finishing the degree or recent graduates in Computer Science, Data Science or equivalent;
Previous experience with Machine Learning (ML) and Natural Language Processing (NLP) is a plus;
Knowledge and experience with Python (scripting and OOP). Node.js is a plus;
Exposure to different types of data structures and file formats.
Previous experience with NoSQL databases is a plus.
Fluent English;
Strong verbal and communication skills.

Our stack is…

Node.js for API logic;
Python and Data Science & ML packages (pandas, nltk, spacy, scikit-learn, Pytorch and TensorFlow);
NLP (word embeddings, named-entity recognition, information extraction);
NoSQL databases.

What We Offer

Hybrid or remote work options;
Open environment with a constant contribution to the implementation of new technical solutions and evolution of the current systems;
Competitive compensation, according to the experience showed;
Excellent growth prospects within the company both in Portugal and abroad;
Training and conferences;
Company events.


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To apply for this job please visit visorai.recruitee.com.