We are looking for a Senior Machine Learning Engineer / MLOps Engineer to own the end-to-end production lifecycle of our ML models for our medical device, Brain20.
In this role, you will bridge the gap between initial research concepts and robust, production-ready systems.
You will take ownership of taking algorithms from early-stage research/definition, refactoring and optimizing them, and deploying them onto both physical edge devices and AWS cloud infrastructure.
Key Responsibilities
End-to-End Production:
Own the complete ML lifecycle—taking models from early-stage definition through refactoring, optimization, packaging, and deployment.
Edge & Cloud Deployment:
Deploy, run, and optimize ML models on our physical medical device (
Brain20
) as well as AWS cloud infrastructure.
Code Optimization & Engineering:
Elevate experimental Python codebases into highly maintainable, efficient, concurrent, and thoroughly tested production software.
CI/CD & MLOps Infrastructure:
Design, build, and maintain robust CI/CD pipelines and deployment strategies tailored for medical software standards.
Model Translation:
Translate experimental algorithms provided by neuroscience researchers into clean, high-performance, and scalable production code.




Required Qualifications
6+ years of professional software engineering experience
in commercial environments (tech startups/scale-ups), with a strong track record of taking ML models into production.
Solid End-to-End ML & MLOps Experience:
Proven ability to manage the complete lifecycle of ML models in production environments.
Hands-on Deployment (Edge + AWS):
Practical experience deploying models onto
physical/embedded hardware
(Edge AI) and
AWS cloud infrastructure
.
Advanced Python Engineering:
Deep expertise in Python (concurrency, parallelization, memory management, profiling, and packaging).
Solid ML Theory:
Clear theoretical understanding of machine learning fundamentals and deep learning architectures.
Preferred Qualifications (Nice to Have)
Familiarity with software development under medical device standards (e.g., ISO *, IEC *) or data privacy regulations (GDPR/HIPAA).
Experience with model optimization techniques for edge devices (quantization, ONNX, TensorRT).
Soft Skills
Pragmatic & Product-Oriented
Analytical Problem Solver
Availability:
Immediate or short notice period preferred
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📌 Senior Machine Learning Engineer (Barcelona)
🏢 Time is Brain
📍 Barcelona