Machine Learning Researcher

Photocentric; Barcelona; Presencial; EUR 45.000 - 70.000; Jornada completa

Descripción de la vacante

A technology company is seeking a Machine Learning Researcher to contribute to innovative AI solutions in STT, NMT, and TTS systems. The candidate will engage in research and development, collaborating with cross-functional teams to create production-grade models based on cutting-edge AI research. Ideal candidates are expected to have strong technical backgrounds, with a passion for applying AI research to real-world applications.

Formación

• Master’s or Ph.D. in Computer Science, Machine Learning, or related field or equivalent industry experience.
• Strong proficiency in Python and deep learning frameworks.
• Solid understanding of machine learning fundamentals.

Responsabilidades

• Conduct research and development of models in STT, NMT, and TTS.
• Build and iterate on research prototypes and conduct evaluations.
• Transition promising research into production-grade implementations.

Conocimientos

Python

Deep learning frameworks

Machine learning fundamentals

Software engineering skills

Communication

Educación

Master’s or Ph.D. in Computer Science or Machine Learning

Herramientas

DeepSpeech

Kaldi

PyTorch

TensorFlow

Descripción del empleo

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As a Machine Learning Researcher specializing in STT, NMT, and TTS systems, you will independently and collaboratively conduct research and development of novel models in these domains under the guidance of the Head of R&D. This role requires excellent technical skills and the ability to bring innovative AI solutions from research to robust, production-grade implementations.

RESPONSIBILITIES

• Conduct research and development of novel models in STT, NMT, and TTS, independently or in collaboration with other team members.
• Build and iterate on research prototypes, conducting experiments and evaluations.
• Transition promising research into robust, production-grade implementations.
• Work with cross-functional teams including product, engineering, and design to bring AI solutions to life.
• Stay up-to-date with the latest research in speech and language AI and adapt state-of-the-art ideas to our needs.

REQUIRED EXPERIENCE AND QUALIFICATIONS

• Master’s or Ph.D. in Computer Science, Machine Learning, Computational Linguistics, or a related field OR equivalent industry experience in applied AI research.
• Strong proficiency in Python and deep learning frameworks (e.g., PyTorch, TensorFlow).
• Solid understanding of machine learning and deep learning fundamentals.
• Hands-on experience with at least one of:

> Speech recognition models (e.g., experience with open-source toolkits such as Kaldi, DeepSpeech, or ESPnet, or designing and implementing a custom STT system).

> Neural Machine Translation with Transformer-based architectures (e.g., proficiency in frameworks like OpenNMT, Fairseq, or MarianNMT, or hands-on experience developing an end-to-end NMT system).

> Text-to-Speech systems (e.g., familiarity with models like Tacotron, FastSpeech, or WaveGlow, or building a complete TTS pipeline).

> Experience with training, fine-tuning, or adapting large language models such as LLaMA, GPT, Mixtral.

• Familiarity with handling large datasets and conducting rigorous evaluation of models.
• Strong software engineering skills, including experience with version control, modular code design, and working with complex codebases.

PREFERRED QUALIFICATIONS

• Experience deploying ML models to production environments (cloud or on-prem).
• Proficiency in C# and .NET (our broader platform is built in .NET technologies).
• Familiarity with Azure, AWS or other cloud platforms.

DESIRED SKILLS AND EXPERIENCE

• Passionate about the intersection of AI research and real-world applications.
• Enjoy experimenting, learning, and iterating with limited specs or guidance.
• Clear and proactive communication with peers and stakeholders.
• Initiative and ownership, especially when navigating ambiguity.
• Openness to working with unfamiliar tools or domains when needed

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