Head of Engineering

About the Role

This is a player-coach Head of Engineering role at an early-stage B2B SaaS company in the construction technology and AI space. You will work directly with the founding team to own the full technical direction, from infrastructure and platform architecture to AI evaluation pipelines, while leading a team of five senior engineers. The role carries real strategic weight and real hands-on coding responsibility in equal measure.

What You'll Do

• Own the engineering roadmap end-to-end, including infrastructure choices, architecture evolution, code quality standards, and team processes.

• Drive technical vision across core platform capabilities: data lineage, artifact abstractions, document processing at scale, AI evaluation pipelines, and semantic search.

• Architect and implement complex features hands-on alongside the team, not just in design reviews.

• Make foundational decisions on the AI and full-stack tech stack, spanning TypeScript, Fastify, Python, Postgres, AWS, and OpenAI integrations.

• Hire, mentor, and develop a small senior engineering team; define hiring standards and practices that scale.

• Build a high-feedback, low-ego engineering culture where engineers tak