Staff Software Engineer, Backend

You must be commutable to our NYC headquarters and will operate in a hybrid envi💼 Full-time💰 $241,000–$241,000🗓 2026-09-25

Core

Architect and build 0-to-1 AI-powered backend products, integrating LLMs into production systems for local businesses.

Role type

Staff Backend Engineer (AI/LLM integration)

Builds

0-to-1 AI products and production-grade systems integrating LLMs

Domain

SaaS / AI / Local Business Automation

Deliverable

production ML models | product features

Required skills

System design, architectural decision-making, LLM integration, Kotlin, cloud infrastructure navigation, rapid prototyping, technical debt resolution

Preferred skills

TypeScript, deep backend architecture intuition

Technologies

Kotlin, AWS, Kubernetes, LLMs

Responsibilities

Define technical direction for AI-powered products, integrate LLMs into customer-facing production systems, write high-quality code and ship proof-of-concepts, partner with leadership to translate business goals into technical initiatives, resolve systemic technical debt and unblock engineers

Seniority

Staff, hands-on IC with significant architectural leadership

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About GlossGenius

Series B50 Employees

GlossGenius is the AI-powered system behind the world’s most meaningful appointments, helping 100,000+ service businesses earn more revenue and free up time for the work they love. Our agentic workforce gets more clients in the door, grows profit per appointment, and keeps clients coming back — doing the jobs owners never had time for and couldn’t justify hiring to fill. Businesses on GlossGenius process billions in annual payment volume, and see 65% more revenue using GlossGenius Payments by growing ticket size, rebooking clients at checkout, and saving on processing fees.