Software Engineer - Applied ML
Job in
New York, New York County, New York, 10261, USA
Listed on 2026-06-18
Listing for:
Character.ai
Full Time
position Listed on 2026-06-18
Job specializations:
-
IT/Tech
Machine Learning/ ML Engineer, AI Engineer (Applied/Software)
Job Description & How to Apply Below
Location: New York
Platform
The platform team at Character bridges ML Engineering and Data Engineering to accomplish the following:
- Build best‑in‑class ML systems for our product using language models and traditional methods.
- Provide high quality data for analytics and model training.
- Remove the accidental complexity of Data Engineering tasks to empower ML Researchers, SWEs, and Data Scientists to move as quickly and confidently as possible.
- Make data go vroom while gpus go brrr!
- Design, implement, and iterate on Applied ML systems like search, recommendations, and RAG in collaboration with our Research and Backend teams.
- Own family of classifiers for async user-understanding.
- Interface with our Growth and Data Science teams to understand what levers we have to improve engagement and user experience.
- Expertise building ML systems from scratch.
- Experience leading teams of MLEs and Backend engineers on machine learning projects.
- Solid understanding of Spark and ability to write, debug and optimize Spark code. Apache Spark on K8s a plus.
- Experience building production systems in languages like Go, Python, SQL, Java, Scala.
- Experience designing and executing A/B tests.
- 2+ years experience with Kubernetes.
Join our visionary team, on-site 3-5 days a week, at the forefront of next‑generation AGI.
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