Growth Marketing Lead

About H: H exists to push the boundaries of superintelligence with agentic AI. By automating complex, multi-step tasks typically performed by humans, AI agents will help unlock full human potential.

H is hiring the world’s best AI talent, seeking those who are dedicated as much to building safely and responsibly as to advancing disruptive agentic capabilities. We promote a mindset of openness, learning and collaboration, where everyone has something to contribute.

Holistic, Humanist, Humble.

About the Position: We are seeking an experienced Growth Marketing Lead to co-own and scale our growth efforts across H’s suite of AI agent products. As a foundational member of the team, you will define our digital marketing strategy, build and mentor high‐performing teams, and drive measurable growth across existing channels while discovering and validating new ones. The ideal candidate is both a strategic leader and a hands‐on executor, with extensive B2B and B2C experience and a track record of building growth functions from scratch in high‐velocity environments.

Key Responsibilities:

• Lead, hire, and develop cross‐functional growth teams covering paid acquisition, lifecycle marketing, content, SEO, influencer and affiliate partnerships, and other growth initiatives

• Define and execute an end‐to‐end growth marketing strategy that balances top‐of‐funnel acquisition, brand awareness, and positive ROI

• Rapidly test and validate new acquisition channels, scale successful experiments into mature, automated frameworks

• Drive continuous experimentations, A/B tests, creative iterations, messaging tweaks to optimize conversion and retention

• Architect and scale our attribution model, marketing tech stack, and marketing automation infrastructure to enable real‐time, data‐driven decisions

• Partner closely with product, engineering, and design teams to align growth initiatives with product launches and deliver a seamless user experience

• Own the user acquisition funnel end‐to‐end, ensuring cohesive messaging and engagement across web, mobile, and app surfaces

Requirements:

• 10+ years of digital marketing and growth experience, including building a growth marketing function from the ground up at high‐growth B2B and B2C software companies (ideally with a product‐led growth motion)

• Demonstrated success scaling multiple acquisition channels : paid search, paid social, content marketing, SEO, email/lifecycle marketing, influencer and affiliate partnerships, and more

• Proven ability to recruit, lead, and mentor high‐performance marketing teams in fast‐paced environments

• Data‐driven mindset with deep expertise in A/B testing, conversion optimization, advanced attribution modeling, and performance analytics

• Excellent communication and stakeholder management skills, comfortable presenting to and collaborating with senior leadership and cross‐functional partners

Location:

• H's teams are distributed throughout France, the UK, and the US

• This role has the potential to be fully remote or hybrid for candidates based in cities where we have an office - currently Paris and London

• The final decision for this will lie with the hiring manager for each individual role

What We Offer:

• Join the exciting journey of shaping the future of AI, and be part of the early days of one of the hottest AI startups

• Collaborate with a fun, dynamic and multicultural team, working alongside world-class AI talent in a highly collaborative environment

• Enjoy a competitive salary

• Unlock opportunities for professional growth, continuous learning, and career development

If you want to change the status quo in AI, join us.