Machine Learning Engineer, Fraud Detection

Annual releases gave way to two-week sprints years ago, and the platform now handles over 200 million API calls a day.

Keelward is looking for a Machine Learning Engineer, Fraud Detection to join a small, steady team. ML engineering role focused on pipelines, serving and monitoring. You'll work alongside data scientists rather than replace them. Fully remote. You can work from anywhere in the US. Normal working hours, Monday to Friday. We use Slack, Notion and Google Meet. Cameras on for team calls.

What you'll be doing:

• Write clean, tested Python and review teammates' code.
• Productionize data science prototypes without rewriting everything.
• Develop RAG pipelines with embeddings, vector stores (pgvector, Pinecone, Weaviate) and rerankers.
• Track experiments, artifacts and versions in MLflow or Weights & Biases.
• Handle on-call for the ML services the team owns.
• Orchestrate pipelines with Kubeflow, SageMaker Pipelines, Vertex AI or Airflow.
• Monitor models for drift, data quality issues and latency regressions.
• Cut inference cost with quantization, batching and caching.

Skills and experience:

• 3+ years of software engineering experience, with at least two spent on ML systems in production.
• BS or MS in computer science, engineering or a related field.
• Experience deploying models as services and monitoring them.
• Familiarity with Docker, Kubernetes and a cloud ML platform (SageMaker, Vertex AI, Azure ML)

Nice to have:

• Published papers or open source ML contributions.
• CUDA or Triton kernel experience.
• Recommendation or ranking systems at scale.

What we offer:

Expected salary range: $162,000 to $205,000/year, plus bonus eligibility.

• Medical, dental and vision insurance.
• 401(k) with company match.
• Paid parental leave.
• Life insurance.

EOE. We participate in E-Verify.

Interview process: a phone call, a meeting with the hiring manager, and a final conversation with the team.

No agencies or third-party recruiters, please.

Start: Immediately.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Keelward Corp..