Data Scientist

Lisbon, Lisbon, Portugal

Applications have closed

Defined.ai

Defined.ai: Dive into the largest AI training data marketplace. Explore smart data for ethical AI and seamlessly buy, sell, or commission top-quality training datasets.

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Who is Defined.ai? Well, from a technical point of view, we leverage the power of a global crowd to provide some of the world’s biggest companies with the high-quality data they need to power their artificial intelligence. We’re instrumental to the progression and development of artificial intelligence and we couldn’t be prouder or more inspired to be involved in an industry that is changing the world.

From a personal point of view, we’re a group of big thinkers, high achievers and creative problem solvers. We bond over our shared love of software engineering, data science, and strong coffee. We like online gaming, running marathons, and team drinks. We celebrate authenticity and diversity and we’re invested in what we do. Our mission? World domination, obviously!


Who are we looking for?

Do you have the drive to work in an innovative and ambitious environment?

We’re looking for someone with a determined and proactive mindset, someone inspired and passionate to help us achieve our goals. Our successful candidate is a strong critical thinker, reliable and transparent, with an ability to learn and communicate. We’re looking for someone special to contribute to our unique culture.

What will you do?

  • Apply your knowledge in Natural Language Processing and Machine Learning to research, solve and productise hard problems in a Conversational AI context.
  • Research, design, implement and optimize machine learning services on the platform.
  • Analyse and interpret text and speech data to build predictive models.
  • Participate in integration strategies and application infrastructure required to successfully implement a complete solution and monitor its performance.
  • Work with machine learning team members in designing, testing and implementing cutting edge machine learning models.
  • Carry out structured, concise and reproducible data analysis that generate insight on different types of data.
  • Conduct state-of-the-art research within a clear path to production.

Requirements

  • MSc/PhD in Computer Science, Statistics or equivalent.
  • Broad knowledge of supervised ML (both classic and deep learning approaches).
  • Knowledge of Statistics, Data Analysis, and autonomy while exploring different kinds of data and formulating novel solutions for problems.
  • Knowledge of Rasa conversational AI framework.
  • Knowledge of Deep Learning ML frameworks (e.g. Keras, TensorFlow, etc.).
  • Sound experience with the Python ecosystem for scientific computing (numpy, pandas, scikit-learn, matplotlib, etc.).
  • Critical thinking skills proven by previous research projects, and clear communication.
  • Excellent speaking and writing skills in English.
  • Previous experience with Big Data technologies (e.g. Hadoop, Spark).
  • Proven experience in one or more common tasks in Natural Language Processing (e.g. Language Modeling, Conversational Agents, Named Entity Tagging, Information Retrieval, Topic Modelling, Sentiment Analysis, etc.).


Nice to have:

  • Relevant publications in the field of Fraud Detection, Recommendation Engine, etc
  • Enterprise experience in Natural Language Processing;
  • Experience with crowdsourcing and data labelling;

Benefits

You spend a lot of your time at work, so it should be challenging, fun and interesting. At Defined.ai it will be all of those things and more. Here’s what we offer:

  • Flexible working schedule and hybrid model. We know comfort can boost creativity and performance, so you can manage your schedule and work both from one of our modern office spaces or home.
  • Excellent career development opportunities in a high growth company. With us, you can accomplish your career goals and follow a well-described career path with the support of your supervisor.
  • Culture of feedback and continuous improvement. AI is a fast-paced area, so we keep track of tech trends, and we always ask for feedback.
  • An international and diverse team. We have more than 30 nationalities at our 3 locations, and we provide language classes.
  • Continuous training opportunities. You can choose from many options: leveraging hand-on workshops, unlimited access to Udemy and formal development opportunities.
  • We love to have fun together. We joke a lot, and we can't imagine work without fun activities – we already surfed, raced carts and played soccer together.

About Us

Defined.ai offers a platform with multiple data delivery options that leverages machine learning technology and human intelligence to deliver quality-guaranteed training data for AI systems. The platform offers self-service and fully customizable solutions that deliver high-quality project-specific training data, enabling AI products reach market quicker. It is this business model that has allowed Defined.ai to raise a total of $63.6M in funding over 4 rounds. Our value proposition is quality, privacy, speed and scale, covering more than 50 different languages. With strong expertise in speech and natural language processing technologies, we have been serving AI companies and Fortune 500 companies since day one. Defined.ai was founded in Seattle and has offices in Lisbon and Porto.

* Salary range is an estimate based on our AI, ML, Data Science Salary Index 💰

Tags: Big Data Computer Science Conversational AI Data analysis Deep Learning Engineering Hadoop Keras Machine Learning Matplotlib ML models NLP NumPy Pandas PhD Privacy Python Research Scikit-learn Spark Statistics TensorFlow Testing

Perks/benefits: Career development Flex hours Startup environment Team events Unlimited paid time off

Region: Europe
Country: Portugal
Job stats:  52  11  0
Category: Data Science Jobs

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