Machine Learning Software Engineer, Materra, X

About The Team

Materra is on a mission to radically reduce global waste and move to a true circular economy. The team has developed technology that identifies waste material at the molecular level—starting with plastics. Materra works with industry partners to improve the way recycling centers process plastics using AI and robotics, to make recycling more affordable and scalable.

Materra is looking for a Software Engineer with practical experience developing C++ systems that communicate with hardware sensors. Our team seeks to generate actionable insights from data from different sources, working directly with industry partners to provide immediate real-world impact.

• Design, implement, and improve performant C++ systems that process and organize data from multiple hardware sources
• Design, implement, and improve algorithms for deriving insights on chemical data using a broad array of state‑of‑the‑art deep learning methods.
• Rapidly develop system prototypes to evaluate feasibility
• Strong end‑to‑end ownership of the software infrastructure
• Build scalable data pipelines for training AI
• Work effectively with cross‑functional teams of engineers, scientists, and domain experts
• Work with collaborators across X and Alphabet (e.g. Google, Deep Mind, Cloud, etc.) to apply, modify, and develop new ideas, techniques, algorithms, and tools as needed.

• MS/PhD in Computer Science or demonstrable practical experience in the field
• 3-5 years experience writing software that interacts with a variety of asynchronous hardware sensors
• Experience building data management platforms in C++
• Experience in a fast‑paced environment
• Knowledge of deep learning model building, validation, and optimization
• Experience building and managing scalable data pipelines and backend integrations
• Fluency with C++, Python, and Linux

• Experience with Google Cloud Platform tools like Dataflow and VertexAI
• An understanding of multispectral imaging and/or spectroscopy
• A passion for solving the problems of plastic waste and circular economy of materials

The US base salary range for this full-time position is $166,000 - $244,000 + bonus + equity + benefits. Within the range, individual pay is determined by work location and additional factors, including job‑related skills, experience, and relevant education or training. Your recruiter can share more about the specific salary range for your location during the hiring process.

Please note that the compensation details listed in US role postings reflect the base salary only, and do not include bonus, equity, or benefits.