Head of Engineering - eCommerce

Compensation

$300,000–$325,000 base + bonus + RSUs

Harnham is partnering with a Fortune 500 leader in cybersecurity and digital trust, combining the scale of a global enterprise with the agility of a startup culture. The company protects hundreds of millions of users worldwide, boasts best-in-class retention, and maintains an unwavering commitment to innovation. Its platform processes over half a million telemetry events per second, and following a major fintech acquisition in 2025, the organization has significantly expanded its footprint in New York City.

They are looking for a Head of eCommerce Engineering to oversee a growing global engineering team of 20+ professionals. This is a highly visible, reporting directly to the executive team and partnering with the C-suite.

• Lead architecture and technical direction for global eCommerce platforms, modernizing legacy Java systems into AI-enabled solutions
• Oversee checkout, billing, subscriptions, payments, and third-party payment integrations at global scale
• Drive cloud and database modernization strategies, including Azure/AWS and OracleDB migration planning
• Provide hands‑on architectural guidance, influence AI adoption, and elevate engineering capabilities across teams
• Partner with senior engineers, architects, and cross‑functional leaders to improve scalability, reliability, and engineering practices while challenging legacy approaches

• 12+ years of experience preferred, with expertise in large-scale eCommerce, payments, platform modernization, and AI‑assisted system design
• Background in high‑scale consumer platforms and leading legacy‑to‑modern transformation initiatives
• BS in Computer Science or related field required; MS preferred
• Strong Java backend, system architecture, and cloud experience (Azure required, AWS a plus)
• Experience with commerce platforms, React, code/architecture reviews, and leading global engineering teams
• Proven ability to influence technical direction and challenge legacy approaches with credibility
• Preferred experience in payments, subscription billing, AI‑driven modernization, OracleDB migrations, and cybersecurity/fintech domains

The compensation package contains a base salary, bonus, RSUs and a comprehensive benefits package.