Staff Software Engineer, Product

Details

Customer.io is looking for a staff product engineer who thinks like a product owner and ships like an engineer. The role focuses on owning ambiguous, customer-facing problems end to end, from initial framing through launch and iteration.

Customer.io provides a platform used by more than 9,000 companies to send email, push notifications, in-app messages, and SMS using real-time behavioral data. The engineering stack includes Go, React, and AI.

Responsibilities

• Own important, ambiguous problems from initial framing through launch and iteration.
• Set direction, align partners, and remain accountable for outcomes.
• Partner with product, design, and data teams to shape priorities, scope work, and define success metrics.
• Lead technical decisions across the stack, including architecture, performance, reliability, and maintainability.
• Lead work across teams and systems, build alignment, resolve technical disagreements, and keep complex initiatives moving.
• Improve engineering practices through mentorship, reusable patterns, and clear technical guidance.
• Use AI throughout the engineering process, evaluating where it helps and where its output requires review.
• Help the team improve its AI workflows by testing new approaches, sharing effective practices, and identifying automation opportunities.
• Participate in an on-call rotation as required.

Requirements

• Demonstrated experience leading complex work across teams or systems and delivering meaningful customer, business, or engineering outcomes.
• Strong backend engineering experience, with the ability to work across the stack and lead end-to-end technical decisions.
• Strong product and technical judgment, particularly when problems or solutions are unclear.
• Ability to influence experienced peers and align teams without formal authority.
• Experience using metrics, experimentation, and observability to guide decisions and improve production systems.
• Regular, hands-on use of AI across the software development lifecycle, with accountability for quality, security, and outcomes.
• Experience improving how a broader team uses AI is a strong plus.

Compensation & Benefits

• Starting salary of $200,000–$280,000 USD, or equivalent in local currency, depending on experience and subject to market rate adjustment.
• 10% annual bonus target.
• Medical, dental, vision, mental health, and supplemental insurance premiums fully covered for employees and their families.
• 16 weeks of paid parental leave.
• Unlimited paid time off.
• Remote-work and wellness stipends.
• Professional development budget.

Hiring Process

The process includes an application, a recruiter call, a hiring manager interview with a short AI-assisted coding exercise, a system design interview, a take-home assignment, and an assignment review call. Final candidates complete a background check and employment verifications.