Lead Software Engineer- CoStar Suite- Arlington, VA
✨ Why This Is a Good Vibe Coding Job
This role is a standout because it explicitly champions 'vibe coding' and 'human-in-the-loop' development as core engineering philosophies. Instead of just using AI for autocomplete, you will be architecting the very workflows that define how natural language prompts transform into enterprise-scale software.
The Mission: AI-Driven Architecture
CoStar is looking for a visionary engineer to spearhead a brand-new, large-scale web platform. This isn't just another coding job; it's an opportunity to build a greenfield application where AI is baked into the foundation. You will lead the transition toward a future where software is defined by intent and orchestrated through advanced AI tooling.
The Tech Stack & Vibe
- Modern Foundations: Build with React, Node.js, and TypeScript—tools that are perfectly suited for high-velocity AI assistance.
- Vibe Coding Leadership: You will establish the standards for using LLMs and agents to handle everything from scaffolding and testing to complex debugging.
- Cloud & Scale: Navigate enterprise challenges using Azure, AWS, or GCP while maintaining high availability and observability.
Impact and Innovation
Beyond writing code, you will be a mentor and cultural catalyst, helping the engineering team evolve their skills for an AI-centric world. Your goal is to maximize developer productivity by integrating the latest frontier models into the software lifecycle, ensuring the company remains at the absolute cutting edge of the real estate technology sector.
Education
- bachelor degree
Benefits
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Source: eightfold
Last reviewed: Oct 22, 2026. How we source and review jobs.