Senior Backend Engineer – AI-Driven Real Estate Platform

Infinityy; Northern (KY); Hybrid; USD 130,000 - 190,000; Full time

Benefits offered by this job

Competitive compensation

Flexible remote/hybrid

Medical benefits

Unlimited PTO

Shape product & engineering culture

High autonomy

Job summary

Infinityy is reshaping real estate with an AI-powered, highly scalable backend platform. We seek a Senior Backend Software Engineer to architect core systems powering our discovery platform and AI-driven UX.

You will collaborate across product, design, and AI/ML teams, own backend services, and drive rapid iteration in a fast-paced, seed-stage environment. You will build reliable APIs, scale services on cloud platforms, and mentor peers while shaping engineering culture.

Qualifications

• 5+ years of professional backend development experience.
• Experience with AI coding agents and developer tools in daily workflow.
• Strong proficiency in C#/.NET and production-grade APIs/services.

Responsibilities

• Design, build, and maintain backend services and APIs powering Infinityy’s platform and AI features.
• Architect scalable solutions in C#/.NET, integrating SQL and NoSQL data stores.
• Develop cloud-native services on Azure or AWS with Functions, Data Factory, Service Bus, Event Grid, Lambda.
• Collaborate with AI teams to integrate LLMs and agentic frameworks.
• Own data pipelines, event-driven systems, and background processing workloads.
• Build for reliability, observability, resilience, and security.
• Contribute to DevOps, CI/CD, release automation, and infra management.
• Mentor engineers and contribute to engineering culture and practices.

Skills

C#/.NET

APIs & microservices

Azure/AWS

SQL Server

MongoDB

Distributed systems

AI coding agents

Observability/DevOps

LangChain

Tools

Azure

AWS

Job description

Infinityy is reshaping real estate with an AI-powered, highly scalable backend platform. We seek a Senior Backend Software Engineer to architect core systems powering our discovery platform and AI-driven UX.

You will collaborate across product, design, and AI/ML teams, own backend services, and drive rapid iteration in a fast-paced, seed-stage environment. You will build reliable APIs, scale services on cloud platforms, and mentor peers while shaping engineering culture.