Senior Director of Engineering - eCommerce

Harnham

Mountain View Acres, California, United States

On-site

Senior Director

Senior Director, Engineering - eCommerce

Location: Mountain View, CA (3 days/week on site minimum)

Compensation: $250,000–$275,000 base + bonus + RSUs

About the Company

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.

The Role

They are looking for a Senior Director, 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.

Key responsibilities include:

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

Ideal Candidate Profile

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

BENEFITS

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

HOW TO APPLY

Please register your interest by sending your CV via the Apply link on this page.

KEY TERMS

About Harnham

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Harnham provides specialist Data and AI recruitment and staffing services, along with bespoke training solutions, across multiple industry verticals, operating in the UK, the USA and EU - contact us today to discuss your requirements: [email protected] Our recruitment and talent teams cover all aspects of the data and AI pipeline, from collection to consumption, across multiple data roles and functions. Whether you need full-time staff, contract talent, specialized training, Data-qualified graduates, or C-suite executives, Harnham Group is equipped to fulfill all your data talent requirements. Our five core services: * ATD - Rockborne – our graduate development arm – deploys expertly trained data consultants, who have gone through an intensive 12-week data training programme. After two years in the scheme, your consultant could become a * Contract / C2C / Freelance: Whether you're addressing a talent shortage, augmenting a project team, or encountering resource gaps, our specialist consultants offer bespoke interim talent solutions to address your unique challenges and drive success. * Full-Time / Direct Hiring: From early career professionals to senior management, our comprehensive services enable you to unearth outstanding data talent across various specializations, ensuring your organization thrives in the data-driven era. * Executive Search: With our dedicated executive search team and an extensive network encompassing the director to C-suite level, we assist both global corporations and ambitious startups in securing top-tier leadership talent to accomplish their goals. * GenAI, Prompt, LLM Training: Elevate your team's data expertise with our all-encompassing training programs covering essential tools and technologies such as Python, SQL, Machine Learning, LLM’s and AI. Highly bespoke, customised to your team learning requirements and budgets.