Machine Learning Engineer

Happyrobot.ai · SpainRemotomid

En corto

▸Construyes modelos de IA para conversaciones humanas en tiempo real.
▸Manejas todo el ciclo de vida de ML: desde datos hasta producción, con enfoque en escalabilidad y MLOps.
▸Eres uno de los primeros ingenieros de ML, con gran impacto en la dirección tecnológica de la empresa.

Ningún requisito de inglés especificado

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¿Qué piden?

✓Experiencia sólida en aprendizaje automático, deep learning y NLP.
✓Conocimiento en MLOps y pipelines de datos en entornos de producción.
✓Dominio de Python y familiaridad con Go.
✓Experiencia con herramientas de gestión del ciclo de vida de ML (MLflow, Kubeflow, Weights & Biases).
✓Capacidad para diseñar sistemas de ML robustos, escalables y automatizados.
✓Pasión por la infraestructura de IA y su impacto real en empresas.

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PythonGoMLflowKubeflowWeights & BiasesAirflowPrefectDagsterAWSGCP

¿A quién escribirle en Happyrobot.ai?

Tu dossier gratis identifica a las personas que te entrevistarían — con su background, qué valoran y cómo escribirles para destacar antes de aplicar.

ABOUT HAPPYROBOT HappyRobot is the infrastructure for enterprises to build and orchestrate AI workforces. Our AI workers don't just communicate through voice and email - they make decisions, take action, and run operations autonomously across entire enterprise systems. Born in Y Combinator (S23) and backed by a16z, Base10, Prysm Capital and Eurazeo with over $150M raised, we power critical operations for global enterprises worldwide. Our platform is battle-tested in the most demanding environments, where AI has real consequences. We started in logistics, built our own voice stack, models, and orchestration layer from the ground up, and are now bringing that infrastructure to every enterprise that runs the real economy. Learn more about our vision in our manifesto. https://www.happyrobot.ai/blog/manifesto About the Role You’ll be building AI models that make human-like conversations possible. You’ll work at the intersection of speech, language, and intelligence, taking cutting-edge research and transforming it into real-time, scalable systems that power our core products. You’ll have the unique opportunity to make a huge impact as one of our first ML hires, shaping not only the technology but also the direction of our company. From designing robust models to deploying them in production, you’ll own the entire lifecycle of ML systems and help us stay ahead of the curve in AI innovation. ABOUT THE ROLE - Design, build, and maintain scalable ML systems — from data ingestion and preprocessing to training, testing, and deployment. - Develop and optimize end-to-end ML pipelines (data collection, labeling, training, validation, monitoring) to ensure reliability and reproducibility. - Implement robust MLOps practices, including model versioning, experiment tracking, CI/CD for ML, and continuous monitoring in production. - Collaborate with product and engineering teams to integrate and deploy models into real-time products with a focus on efficiency and scalability. - Ensure data quality, observability, and performance across all AI systems. - Stay current with the latest in AI infrastructure, tooling, and research — helping us stay ahead of the curve. MUST HAVE - Strong experience in machine learning, deep learning, and NLP. - Solid background in MLOps and data pipelines — e.g., model deployment, monitoring, and scaling in production environments. - Proficiency in Python and familiarity with Go. - Experience with ML lifecycle management tools (e.g., MLflow, Kubeflow, Weights & Biases). - Ability to design ML systems for robustness, scalability, and automation. - Strong coding, debugging, and data engineering skills. - Passion for AI infrastructure and its real-world impact. - Founder mindset: ownership, independence, and willingness to go deep. NICE TO HAVE - Experience in speech recognition, TTS, or audio processing. - Familiarity with LLMs, generative AI, or real-time inference systems. - Hands-on experience with data orchestration frameworks (e.g., Airflow, Prefect, Dagster). - Prior experience in startup environments with fast iteration cycles. - Knowledge of cloud infrastructure (AWS/GCP/Azure) and containerization tools (Docker, Kubernetes). WHY JOIN US? - Join a world-class team of engineers and builders. - Backed by top investors including a16z, Y Combinator, Base10, Prysm Capital and Eurazeo. - Have ownership and autonomy of projects and are encouraged to ship. - Comprehensive Benefits including healthcare, dental, vision coverage. - Competitive salary + equity in a high-growth startup. Our Operating Principles Extreme Ownership We take full responsibility for our work, outcomes, and team success. No excuses, no blame-shifting — if something needs fixing, we own it and make it better. This means stepping up, even when it’s not “your job.” If a ball is dropped, we pick it up. If a customer is unhappy, we fix it. If a process is broken, we r

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