
GrowthX is a company that delivers AI-powered growth engines combining expert human guidance with AI workflows to drive sustainable business growth. Their subscription-based service offers a comprehensive suite of workstreams including content creation, SEO, link building, social media, conversion rate optimization, paid media, gated content, and outbound sales. GrowthX differentiates itself by blending AI automation with expert oversight, enabling scalable, high-quality content production and growth marketing strategies tailored to client needs. They serve clients across various industries, delivering measurable results such as significant organic traffic growth, content velocity increases, and conversion improvements. Their business model is subscription-based with typical engagements ranging from $12,000 to $20,000 per month, focusing on long-term growth through a 12-month minimum commitment. The company operates remotely and emphasizes a data-driven, iterative approach to content strategy, distribution, and conversion optimization, positioning itself as a leader in AI-led growth marketing.

GrowthX is a company that delivers AI-powered growth engines combining expert human guidance with AI workflows to drive sustainable business growth. Their subscription-based service offers a comprehensive suite of workstreams including content creation, SEO, link building, social media, conversion rate optimization, paid media, gated content, and outbound sales. GrowthX differentiates itself by blending AI automation with expert oversight, enabling scalable, high-quality content production and growth marketing strategies tailored to client needs. They serve clients across various industries, delivering measurable results such as significant organic traffic growth, content velocity increases, and conversion improvements. Their business model is subscription-based with typical engagements ranging from $12,000 to $20,000 per month, focusing on long-term growth through a 12-month minimum commitment. The company operates remotely and emphasizes a data-driven, iterative approach to content strategy, distribution, and conversion optimization, positioning itself as a leader in AI-led growth marketing.
Location: San Francisco
Product: AI-powered content & growth platform plus expert-led services
Business model: Subscription-based, enterprise/monthly engagements (~$12k–$20k)
Founders: Marcel Santilli (CEO) and Daniel Lopes (CTO)
Recent funding: Series A (May 2025), $12.0M
Content-driven user acquisition and growth marketing for growth-stage companies.
2024
Marketing technology / Growth marketing
$12,000,000
“Madrona Venture Group led Series A”
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At GrowthX, we design growth systems that integrate AI automation and expert guidance to help marketing teams with content creation, distribution, and conversion. Since our founding in 2024, we’ve hit seven-figure annual revenue, grown by double digits month-over-month, and teamed up with incredible partners from startups to publicly traded leaders like: Ramp, Webflow, Abnormal Security, Superhuman, Vapi AI, Homebase, Strapi, Galileo AI, Rapyd to name a few.
Our approach combines:
We go beyond software; we become our clients’ growth partners by leveraging technology, strategy, and hands-on execution.
As a Client Ops Engineer, you'll design and build custom solutions that range from AI-powered workflows to full-stack applications. While you won't interface directly with clients, you'll work closely with our internal teams who do, translating client requirements into elegant technical solutions. Your work will span the entire development lifecycle—from conceptualization and architecture to implementation, testing, and deployment.
Beyond client projects, you'll contribute to our internal ecosystem by developing tools for our marketing team and creating micro-applications on top of our AI stack. This blend of external and internal development makes the role particularly dynamic and engaging.
No two days will look exactly alike in this position. One week you might be updating our website and micro-apps, the next you could be deep in development of a client-specific application that spans several months. You might spend a day configuring LLMs to power a new AI workflow, then pivot to building an internal tool that streamlines our operations.
We're seeking senior engineers (5+ years of experience) with comprehensive full-stack expertise. Your technical toolkit should include:
Experience building Gen AI/LLM-based products is a significant advantage, as is prior work in startup environments where flexibility and initiative are essential.
Technical skills form the foundation, but success in this role requires more. We value engineers who:
This is a fully remote position with flexible scheduling, though we require at least 4 hours of overlap with US Pacific Time for synchronous collaboration. We've built an AI-native culture that encourages leveraging cutting-edge tools to maximize productivity and creativity.
We operate with a results-oriented mindset—while we maintain core collaborative hours, we trust our team members to manage their time effectively and deliver high-quality work. You'll be joining a team that values transparent communication, constructive feedback, and continuous learning.
Beyond meeting the technical requirements, the ideal Client Ops Engineer is someone who gets energized by variety and problem-solving. You should be comfortable wearing multiple hats, from frontend to backend architect to AI workflow engineer. You're someone who enjoys the challenge of building something from scratch today and refining an existing system tomorrow.
If you're excited about applying your full-stack expertise across diverse projects, learning to harness the power of AI, and contributing to both client success and internal innovation, we'd love to talk with you about joining GrowthX.
Perks:
Fully Remote Work
Ample Time Off
Professional Growth
Collaborative Culture
Work Visa: Applicants must have legal authorization to work in the country of residence. We are not able to provide employment visa sponsorship at this time.
#LI-Remote
Compensation Range: $140K - $180K