Senior Software Engineer, Machine Learning

What you'll be doing

• Build recommendation models for video recommendations.
• Duties include building APIs to serving recommendations model online; researching and leveraging LLM on recommendations; and researching and leveraging computer vision models for image classification and video understanding.
• Experiment and implement semi-automatic annotation techniques which involve minimal human supervision, for Natural Language Understanding (NLU) models, to help speed up the annotation process without sacrificing quality.
• Re-train existing ML and DL models, and evaluate performance on the semi-automatically annotated data.
• Provide current data annotation processes and propose ideas to improve the pipeline for NLU capabilities of the Roku Voice system.
• Collaborate with the engineering and product teams to launch research ideas into a Roku product release.
• Document work via internal wikis, design documents, record demos and slide presentations.

You are required to have

• Master’s degree or foreign equivalent in Computer Science or related field.
• 2 years experience in position, as a Data Scientist, Research Engineer, Technical Lead, or related occupation.

Must have at least 1 year of prior work experience in each of the following:

• Programming languages like Python and Object Oriented Programming (OOP)
• Different types of machine learning (supervised, unsupervised, reinforcement, deep learning, computer vision, natural language processing such as LLM) and common algorithms
• Machine learning frameworks such as PyTorch and Tensorflow
• Data engineering skills such as SQL
• Software engineering such as version control, testing and documentation
• Linear algebra, calculus, probability, and statistics