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Senior Backend Engineer (ML)

Tennr

New York City · Full-time · Onsite · Posted Sep 29, 2026

At a glance

Employment
Full-time
Workplace
Onsite
Location
New York City

About the role

  • We’re looking for a high-agency Senior Backend Engineer to bridge the gap between cutting-edge ML research and real-world product delivery.
  • You’ll design and build agentic workflows that power complex healthcare processes to solve hairy infrastructure, workflow, and UX challenges in U.S. healthcare.
  • This role involves creating data pipelines, evaluation harnesses, and scalable production-grade agentic systems.

Responsibilities

  • Ship full-stack AI systems end-to-end
  • Design resilient systems for model deployment, evaluation, and monitoring that stay reliable as traffic grows.
  • Go from ideation to code within hours; iterate quickly on experiments and data.
  • Collaborate with ML engineers, backend engineers, and cross-functional teams to integrate models cleanly with data pipelines and product

Requirements

  • Proficiency in full-stack development, with a strong understanding of system design, backend engineering, and observability infrastructure.
  • A track record of working through the full lifecycle of building, testing, deploying, scaling, and monitoring LLM-centered software architectures.
  • Excellent communication and collaboration skills: aligning on interfaces, navigating tradeoffs, and driving cross-team execution.

Benefits

  • Free lunch
  • pantry full of snacks
  • Beautiful new office at 345 Hudson Street
  • Unlimited PTO
  • 100% paid employee health benefit options
  • Employer-funded 401(k) match
  • Competitive parental leave

Workplace

  • collaborate and connect with like-minded, driven individuals in our Chelsea office 4 days/week

Skills

  • LLM APIs
  • Vision Models
  • Structured Automation
  • Observability Infrastructure

Tennr

Senior Backend Engineer (ML)

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