Senior Software Engineer, AI Platform

New

VantaAI platform

Remote U.S.Full-TimeSenior

Salary$224K - $263K; $224K – $263K • Offers Equity

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Job Details

Have strong software engineering fundamentals.
Have experience building and operating backend services, APIs, or developer platforms.
Have hands-on experience shipping LLM-powered products or agentic workflows and understand their failure modes.
Have experience with durable execution or workflow orchestration platforms.
Understand how to design for idempotency, retries, and long-running state.
Be familiar with agent harnesses and frameworks, including tool design, context management, subagents, and their tradeoffs.
Have practical evaluation experience, including defining success, diagnosing failures, and measuring whether changes improve outcomes.
Connect platform decisions to developer needs and customer outcomes.
Use AI in day-to-day work, experiment to build fluency, and apply sound judgment to maintain a high quality bar.

Build shared SDKs, APIs, and infrastructure for AI features and agentic workflows.
Integrate durable execution infrastructure for long-running agent workflows, including checkpointing, retries, human-in-the-loop steps, and recovery from partial failures.
Evolve the agent harness for tool calling, context management, memory, and model orchestration.
Develop evaluation and debugging tools that turn production failures into measurable improvements and regression coverage.
Improve model integrations, retrieval, and context delivery.
Own platform capabilities through rollout and operation, including reliability, observability, performance, and secure handling of customer data.
Partner with product teams to prototype solutions, identify common needs, and drive adoption of reusable platform capabilities.

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