M47 Labs
Senior Machine Learning Engineer
Job Description
About us
M47 Labs is an AI Engineering company focused on providing businesses with the latest and most advanced Artificial Intelligence solutions. Our deep expertise in AI-language technologies, including NLP and LLMs, empowers businesses with custom-built cutting-edge solutions. We are dedicated to creating AI-driven applications that can understand, interpret, and respond to human language. Join us in making the future more intelligent.
About you
As a Senior Machine Learning Engineer, you will lead the development of advanced AI solutions, being in charge of building and optimizing machine learning pipelines, fine-tuning models, and orchestrating APIs to deliver scalable and high-performance systems.
Also, you will use your expertise in model evaluation, optimization, and deployment while always keeping in mind the best practices in MLOps you will design innovative AI Solutions using LLM to build STT (Speech-to-Text) and TTS (Text-to-Speech) products.
As a senior member, you will be supporting and mentoring other team members using your technical expertise to solve complex challenges bringing innovative solutions.
About your day-to-day:
- You will fine-tune LLMs.
- You will be designing and implementing pipelines for STT and TTS products.
- Ensuring the efficiency of LLMs and Speech Models.
- You will develop and maintain CI/CD pipelines for deploying AI/ML models.
- Collaborating with DevOps to ensure the scalability of ML Systems.
What is in it for you?
💪🏽 Indefinite full-time contract
☀️ Office located at the heart of Barcelona
🚀 Follow your career ambition with growth opportunities (horizontal and vertical)
📚On-demand learning budget and ongoing educational company-wide training of relevant topics of our industry
💸 Comprehensive compensation package, including private medical insurance coverage and flexible remuneration through Cobee including meals, gym pass, transport and kindergarten.
🌈 Be part of our diverse communities and enjoy our meetups (Women in Tech, LGTBQ+, Wellbeing, City Lifestyle…)
🌍 Great international, inclusive and dynamic work environment (more than 20 nationalities!)
Requirements
What you’ll need:
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6+ years of experience in AI/Machine Learning roles.
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Proficient in training ML models.
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Hands-on experience in selecting, fine-tuning, and deploying LLMs independently.
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Previous experience orchestrating workflows with Airflow or Kubeflow.
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Proficient in Python for scripting and developing APIs (e.g., FastAPI, OpenAI, and STT/TTS APIs).
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Hands-on experience with Docker and CI/CD pipelines.
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Version control experience (GitHub/GitLab).
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Strong English communication skills.
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Degree in Computer Science or related field, or equivalent experience.
What’s nice to have:
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Experience with AI cloud platforms (e.g., SageMaker, Azure ML) for deploying ML models.
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Previous experience with Retrieval-augmented generation (RAG)
Special requirement
For this position you must be a holder of a valid working permit for Spain (or EU passport) and be available to work full-time onsite.
**M47 Labs not only encourages but is actively working on empowering its diverse and inclusive talent. M47 Labs is committed to ensure a non-discriminative workplace, work life and selection process and such decisions will not be influenced by race, color, religion, gender identity or expression, sexual orientation, disability, social and conjugal status, age or other applicable characteristics. M47 Labs prohibits discrimination and harassment of any kind and all employment is decided on the basis of qualifications, merit, and business needs.**
In accordance with the provisions of Regulation (EU) 2016/679 of 27 April (GDPR) and the Organic Law 3/2018 of 5 December (LOPDGDD), we inform you that personal data and email addresses collected from the Data Subject will be processed under the responsibility of M47 LABS & INTERNATIONAL FIDUCIA SL for a legitimate interest and for the purpose of sending communications about our products and services and will be retained for as long as none of the parties object. The data will not be communicated to third parties, unless under legal obligation. You can exercise your rights of access, rectification, portability and erasure of your data and those of restriction and objection to their processing by contacting DIPUTACIÓ, 279 3 6 – 08007 BARCELONA (Barcelona). E-mail: [email protected]. If you consider that the processing does not comply with current legislation, you may file a complaint with the Spanish supervisory authority at www.aepd.es.
