Senior Backend Engineer (Machine Learning)

Tennr; New York (NY); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Meaningful equity

In-person culture

Promoting from within

401k matching

Unlimited PTO

Free lunch

Job summary

Tennr in New York is seeking a Senior Backend Engineer on the ML team to bridge cutting-edge research and production. You will build agentic workflows and data pipelines powering healthcare processes.

You will collaborate with ML researchers and backend engineers, design scalable systems, deploy AI models, and ensure observability and reliability as traffic grows.

Qualifications

• Extensive full-stack engineering experience across data pipelines, back-end services, and front-end integration.
• Hands-on experience with LLM APIs and production AI systems.

Responsibilities

• Ship end-to-end full-stack AI systems.
• Design resilient model deployment, evaluation, and monitoring.
• Iterate quickly from ideation to code.
• Collaborate with ML researchers and cross-functional teams to integrate models with data pipelines and product.
• Build data pipelines and evaluation harnesses for healthcare workflows.

Skills

Full-stack development

LLM APIs

System design

Observability

Collaboration

Backend engineering

Job description

• 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. You'll be responsible for researching the right tools and models, ensuring we always use the best-fit technology for each workflow.
• As part of our ML team, you'll work hand-in-hand with researchers to translate new techniques and insights into production-ready systems. The ideal candidate has full-stack engineering experience, hands-on expertise with LLM APIs, and a proven track record of deploying AI systems into production. You'll work across the stack - from data collection to training pipelines to AI agent orchestration to frontend integration - bringing cutting-edge AI solutions to life in real-world healthcare environments
• As a Senior Backend Engineer on the ML team at Tennr, you'll bridge the gap between cutting-edge ML research and real-world product delivery. You'll help build agentic systems that use LLMs, and vision models, and structured automation to solve hairy infrastructure, workflow, and UX challenges in U.S. healthcare
• 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

Benefits

• Meaningful equity
• In-person culture
• Promoting from within
• 401k matching
• Unlimited PTO
• Free lunch (and a pantry stocked with a strangely wide array of puffed corn snacks)

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