Senior Software Engineer, Machine Learning Platform at Chime

Chime is a fintech company offering banking services and personal loans to millions of members. Chime’s Machine Learning Platform (MLP) team builds and operates the infrastructure, tooling, and developer experience that powers machine learning across the company. We enable data scientists and ML engineers to develop, train, deploy, and monitor models reliably and efficiently.

Key responsibilities

• 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
• Build evaluation frameworks for non-deterministic AI systems, including offline benchmarks, regression testing, online quality signals
• Establish observability, reliability, and governance for models and agents, covering traces, model and prompt versions, tool calls, latency
• Help teams make principled architecture decisions across traditional ML, LLM-powered applications, and agentic workflows
• Build distributed training, batch inference, and large-scale processing systems using frameworks such as Ray or Spark

Requirements

• Knowledge of the machine learning development lifecycle, including data preprocessing, model training, evaluation, deployment, and monitoring
• Experience designing distributed systems and large-scale data or compute platforms on AWS using frameworks such as Spark or Ray
• 5+ years of experience in ML or AI infrastructure, platform engineering, distributed systems, or production ML systems
• Working knowledge of LLM application patterns such as retrieval-augmented generation, structured outputs, tool calling, agent orchestration
• Experience designing production systems that integrate ML or foundation models through reliable APIs, workflows, and data contracts
• Hands-on experience with CI/CD pipelines, DevOps practices, and infrastructure as code

Location and schedule

• Onsite in San Francisco, California

Salary and benefits

US base salary $187,000 to $259,000 a year. Chime also offers benefits; the full list is on the posting.

How to apply

Apply on the company's own site.