> Markdown version of [/jobs/ext/1161531-sr-machine-learning-engineer](https://www.wearedevelopers.com/jobs/ext/1161531-sr-machine-learning-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Machine Learning Engineer - **Company:** Align Technology - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** 3D Computer Graphics Software, Business Logic, Artificial Neural Networks, C Sharp (Programming Language), C++ (Programming Language), Image Analysis, Python (Programming Language), Machine Learning, Software Systems, Git, Information Technology, Machine Learning Operations, Code Restructuring - **Published:** July 3, 2026 - **Apply:** https://es.indeed.com/viewjob?jk=2b1e11ba70db1672 ## About the Role * Master's degree or higher in Computer Science, Statistics, Machine Learning, Statistical Data Modeling or related fields * 6+ years of machine learning research practice (preferably in 3D graphics) * Deep understanding of neural network architectures * Relevant mathematical background for solving ML tasks Strong experience in the standard technological stack: python, C++, git Sound like a good fit? ## Description We are looking for a Senior Machine Learning Engineer to grow a team responsible for improving quality and introducing new features for Invisalign operation software team. You will work in close collaboration with colleagues from a larger operation group and with clinical and manufacturing experts, focusing on algorithmic and machine learning solutions for optimizing the manufacturing processes and ensuring level of quality for them. In this role, you will develop and fine-tune ML/DL models in a regulated process, integrate complex hardware and software systems using PLC, contribute/commit into the code base, participate in commit review sessions and improve data and ML pipelines., In this role, you will… * Apply machine learning approaches leading to improvements in orthodontic treatment and optimization of manufacturing (mainly image analysis) * Choose and justify appropriate neural network architectures, design and train ML models for image analysis. * Validate and analyze training results * Refactor C++ code and move it to Python * Develop C# UI and business logic for Manufacturing automation * Collaborate with development team, support integration of the model into production pipeline and integration of hardware using PLC code * Document and transfer technology to product groups across the company * Help to deliver a vision for our product evolution using machine learning, At Align, every smile matters. We're committed to helping you thrive by supporting the health, growth, and well-being of our team members through a variety of tools and programs. While specific offerings may vary by location and role, Align employees can typically expect: * Health and well-being programs to keep you thriving in both body and mind. * Employee-exclusive discounts on Invisalign products. * Learning opportunities through online learning resources and support for your individual development plans. * Inclusive, global workplace that fosters collaboration, recognition and belonging. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Algorithm That Nearly Killed Me: When Testing Isn't Enough](https://www.wearedevelopers.com/videos/2110-the-algorithm-that-nearly-killed-me-when-testing-isn-t-enough) - [Generate AI in the Browser with Chrome AI - Raymond Camden](https://www.wearedevelopers.com/videos/1770-generate-ai-in-the-browser-with-chrome-ai-raymond-camden) - [Introduction to Azure Machine Learning](https://www.wearedevelopers.com/videos/368-introduction-to-azure-machine-learning) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [How Machine Learning is turning the Automotive Industry upside down](https://www.wearedevelopers.com/videos/61-how-machine-learning-is-turning-the-automotive-industry-upside-down) ## Related Articles - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models) - [MLops – Deploying, Maintaining And Evolving Machine Learning Models in Production](https://www.wearedevelopers.com/magazine/115-mlops-deploying-maintaining-and-evolving-machine-learning-models-in-production) - [MLOps – What’s the deal behind it?](https://www.wearedevelopers.com/magazine/125-mlops-what-s-the-deal-behind-it) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development)