Senior Backend & AI Systems Engineer - On-site NYC

raydar; New York (NY); On-site; USD 190,000 - 260,000; Full time

Job summary

raydar is seeking a Senior Software Engineer in New York City to build backend-heavy services and AI agents for a financial software product, owning one functional area end to end and potentially leading a small team. The role spans model pipelines, infrastructure, backend services and user-facing features with a focus on reliability and auditability.

A backend/infrastructure background and experience shipping AI agents are central.

Qualifications

• 5+ years of experience, mostly in backend or infrastructure engineering.
• Experience building and shipping AI agents in any domain.
• Bachelor's degree in computer science or a closely related engineering field; strong alternatives considered for other degrees with comparable experience at a top technology company.

Responsibilities

• Own one functional area end to end, working with a small group of two to three engineers and possibly leading them.
• Build and run AI agents across the model pipeline, infrastructure, backend and user interface.
• Create verification, guardrails, monitoring and evaluation for non-deterministic AI systems so that users and reviewers can rely on them.
• Design the data context agents work from, and ingest, normalize and reconcile data from many third-party business systems.
• Build long-running, fault-tolerant workflows and idempotent, auditable writes to external systems of record.
• Spend time with end users to learn their processes before building the system that replaces the manual work.
• Contribute to full-stack work when the problem calls for it.

Job description

raydar is seeking a Senior Software Engineer in New York City to build backend-heavy services and AI agents for a financial software product, owning one functional area end to end and potentially leading a small team. The role spans model pipelines, infrastructure, backend services and user-facing features with a focus on reliability and auditability.

A backend/infrastructure background and experience shipping AI agents are central.