Senior Software Engineer, Machine Learning PlatformActive

The opportunity

At Chime, we believe that everyone can achieve financial progress. We created Chime—a financial technology company, not a bank*—on the premise that core banking services should be helpful, easy, and free.

What you'll do

  • Design, build, and operate scalable ML and AI infrastructure on AWS.

  • Design and operate shared platform capabilities for LLM and agentic: workloads, including model access, prompt and configuration lifecycle, retrieval, tool integration, state management, and workflow orchestration.

  • Build evaluation frameworks for non-deterministic AI systems, including: offline benchmarks, regression testing, online quality signals, human feedback, and failure analysis.

  • Establish observability, reliability, and governance for models and agents,: covering traces, model and prompt versions, tool calls, latency, token usage, quality, safety, privacy, and cost.

  • Help teams make principled architecture decisions across traditional ML,: LLM-powered applications, and agentic workflows, and contribute to the platform’s technical roadmap.

  • Build distributed training, batch inference, and large-scale processing: systems using frameworks such as Ray or Spark.

What they're looking for

  • Build and maintain infrastructure as code using Terraform.
  • Support and evolve the feature store and feature pipelines.
  • Develop data ingestion and streaming systems using technologies such as Kinesis, Kafka, Flink, or Spark.
  • Improve CI/CD workflows for ML models, AI applications, and platform components.