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 ClientOur 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 LeadCompensation: $300k - $450k + EquityLocation: San Francisco, CaliforniaYOE: 5+ years of experience in full-stack or backend engineering at top tier companiesAbout This RoleTech 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.Requirements5+ years of experience in full-stack or backend engineering at top tier companiesExperience at known, top tech companies either tier 1 VC- backed or FAANGExperience with an OLAP or columnar database (e. g. , ClickHouse)Experience designing and building scalable backend systemsWhy Candidates Should JoinRecently raised $30M+ from top-tier investors like LightspeedBe 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.