Staff Software Engineer (+ Equity) at AI-driven customer support startup

This is a role that TechTree is recruiting for on behalf of one of our clients.TechTree is an AI-driven recruitment platform working with high-growth companies.When you apply, our AI Agent matches you not just to this role, but to other relevant opportunities across our network, so one application can unlock multiple roles.About The RoleWe are seeking a Staff Software Engineer to lead the technical direction and mentor a growing team in our San Francisco engineering hub. This role involves owning key product areas and utilizing AI and generative tech to create scalable customer support solutions. It's an opportunity to make a significant impact in a fast-paced, innovative environment.What You'll Be DoingLead technical direction by setting architecture, reliability, and performance standards.Build and mentor a team of engineers, fostering a high-trust, high-feedback culture.Work directly with customers to translate complex problems into actionable solutions.Own critical systems end-to-end and ensure their successful deployment.Collaborate with teams across San Francisco and Dublin to drive product and design decisions.What We're Looking ForAt least 4 years of engineering experience.Experience in a startup environment (Series A to C).Proven ability to mentor other engineers and lead technical decisions.Deep expertise in modern web technologies, product architecture, or AI integrations.Compensation & BenefitsSalary range: $230,000 - $250,000 USDEquity options availableOpportunity to work in a dynamic and innovative environmentAbout The CompanyThis company is tackling the challenge of scaling customer support while maintaining human qualities like warmth and empathy. They leverage AI, generative tech, and real-time simulations to create innovative solutions. The team is based in San Francisco and Dublin, working closely to build something truly impactful.What is TechTree?TechTree combines AI agents with a human support team to give candidates a better, more transparent hiring experience.Our AI Agent gets to know your background, experience, and what you're optimising for. It continuously matches you to live roles across our network where there's genuine alignment, not just keyword overlap.Our Human Team is there to support you through the process:Answer questions about roles, process, and next stepsAdd context when something in your background isn't obviousHelp unblock stalled processes or unclear feedbackMake sure you're not left guessing, ghosted, or wasting timeWe only post real jobs. Every role on TechTree is a live, active hire.If you apply: you'll be considered for this role, you may also be matched to other relevant roles, and if there's no fit, we won't spam you.