Lead Software Engineer

Crossing Hurdles is a global recruitment firm partnering with a fast-growing AI-driven recruiting marketplace that connects companies with specialized recruiters to fill their hardest roles turning months of hiring into days.

About Client

Our client is building agent behaviour monitoring (ABM) infrastructure a critical reliability layer for production AI. Their platform enables teams to monitor, evaluate, and continuously improve AI agents at scale by transforming real-world agent interactions into high-signal feedback loops. Backed by $30M in funding, they operate at the forefront of applied AI, setting the standard for how intelligent agents are made reliable, interpretable, and trustworthy in production.

Role: Tech Lead

Compensation: $300k - $450k Equity

Location: San Francisco, California

YOE: 5 years of experience in full-stack or backend engineering at top tier companies

About This Role

Tech Lead role responsible for hands-on backend development, guiding system architecture, and implementing scalable software practices. You will mentor engineers, improve code quality, manage technical debt, work with columnar/OLAP databases like Clickhouse, and collaborate with the founding team on key decisions for system reliability and scalability.

Requirements

• 5 years of experience in full-stack or backend engineering at top tier companies
• Experience at known, top tech companies either tier 1 VC- backed or FAANG
• Experience with an OLAP or columnar database (e. g. , ClickHouse)
• Experience designing and building scalable backend systems

Why Candidates Should Join

• Recently raised $30M from top-tier investors like Lightspeed
• Be part of a tight-knit, expert team in AI, systems, and infrastructure.
• Meaningful production impact on AI agent performance and reliability.
• Hands-on experience building full-stack features with TypeScript.
• Fast-paced, high-impact work where contributions truly matter.