REF: 032

Role: CTO/ Head of Engineering

Can be based in: Austin, New York or San Francisco (United States)

Salary: $150,000 - $230,000 + Equity + Bonus

Our client is redefining customer engagement for e-commerce brands by empowering them with their own AI-powered ambassadors to deliver hyper-personalized Email and SMS interactions at an unprecedented scale.

Their platform enables brands to communicate with their audience in a natural and contextually relevant manner, driving higher engagement and conversion rates. While increasing and driving measurable growth, they help brands stay focused on what matters most - the customer.

Why join them?

They're a fast-moving team building a high-growth company that's transforming the e-commerce industry. As an early team member, you'll play a key role in shaping both their product and the future of e-commerce, with the opportunity to grow alongside them.

Recent wins

Developed a segmentation engine that leverages e-commerce platform data to personalize interactions in a compliant manner, at scale (40M+ consumers and growing 10% MoM)
Built out a data pipeline capable of handling millions of events daily
Enabled the use of multiple LLMs for a single interaction, optimized for the best performance while reducing costs
Onboarded some of the largest e-commerce brands across the industry (e.g. Backcountry, J. Jill, Fabletics, Sur La Table) turning them into massive believers in both their product and vision

They'd like to work on

Refining their AI infrastructure to enable deeper segmentation, optimize customer-level memory, and integrate advanced agentic workflows for greater adaptability and efficiency
Enhancing their AI conversation engine to deliver self-optimizing interactions that gather actionable feedback
Expanding self-service capabilities to provide brands across the industry seamless access to the platform
Expanding their image creation capabilities to provide brands with a wider medium of emails to send, thus offsetting end brand costs and increasing product adoption

Role Responsibilities

Serve as a hands-on engineering leader, dedicating ~80% of your time to IC-level contributions (coding, reviewing, debugging)
Architect and maintain scalable, reliable backend infrastructure capable of supporting rapid growth and real-time AI-powered communications
Lead and mentor a growing team of engineers, fostering a culture of technical excellence and high ownership
Drive architectural decisions and technical roadmap in partnership with the founding team
Design and implement core infrastructure that supports AI-native applications, including multi-agent workflows, model routing, and real-time feedback loops
Collaborate cross-functionally with product, design, and data to prioritize and deliver high-impact features
Balance speed with technical rigor in a fast-paced, high-growth environment

What we're looking for (ideally)

8+ years of backend engineering experience with deep architectural ownership
Proven track record of building and scaling backend systems, preferably in fast-growing SaaS, messaging, or e-commerce environments
Comfortable working in TypeScript (NestJS) and AWS-based infrastructure
AI-first mindset - you instinctively reach for AI-native solutions when designing systems, products, and workflows
Deep experience with or interest in LLMOps, AI application infrastructure, and emerging tools that accelerate AI product development
Excitement about using AI coding tools to boost velocity (e.g. Cursor, Copilot)
Experience leading or mentoring small, high-performing engineering teams
Pragmatic and adaptable - someone who thrives wearing many hats

Tech Stack

Frontend: React (TypeScript)
Backend: NestJS (TypeScript)
Infrastructure: AWS managed with Terraform
Databases: PostgreSQL & ClickHouse

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