Staff Software Engineer, Product

Stack

Responsibilities

• ▹Own important, ambiguous problems from initial framing through launch and iteration
• ▹Set direction, align partners, and stay accountable for the result
• ▹Partner with product, design, and data to shape priorities, scope the work, and define how success is measured
• ▹Lead technical decisions across the stack, including architecture, performance, reliability, and maintainability
• ▹Lead work across teams and systems, resolve technical disagreements
• ▹Improve engineering practices through mentorship, reusable patterns, and clear technical guidance
• ▹Use AI in your engineering work with sound judgment and review its output
• ▹Test new workflows, share what works, and identify automation opportunities
• ▹Participate in an on-call rotation

Requirements

• ▹Track record of leading complex work across teams or systems with meaningful customer, business, or engineering outcomes
• ▹Strong backend engineering experience and the ability to work across the stack
• ▹Strong product and technical judgment, especially when the path forward is unclear
• ▹Ability to influence experienced peers without formal authority
• ▹Experience using metrics, experimentation, and observability to guide decisions

Soft skills

About the company

Over 9,000 companies use the Customer.io platform to send billions of emails, push notifications, in-app messages, and SMS every day, driven by real-time behavioral data. The stack is Go, React, and AI.