At a Glance
- Tasks: Lead growth strategies and marketing campaigns for an innovative AI product.
- Company: Join Lightfern Ltd, a cutting-edge AI startup redefining digital communication.
- Benefits: Competitive salary, equity options, and a chance to shape the future of AI.
- Other info: Collaborate with an elite team from OpenAI and Y-Combinator in a dynamic environment.
- Why this job: Be a founding member with significant impact on a revolutionary AI communication tool.
- Qualifications: 3+ years in GTM or growth marketing, with strong storytelling and analytical skills.
The predicted salary is between 120000 - 150000 £ per year.
Lightfern Ltd is a London-based AI startup founded in 2025 by an elite team from OpenAI, Attio, and OakNorth Bank. They are redefining digital communication by building an AI assistant that learns and replicates a user's unique voice, moving beyond generic templates to preserve authentic human connection across all platforms.
Join Lightfern Ltd as our first GTM hire to build a product-led growth engine from 0-1. You will own the full acquisition funnel, experiment with marketing campaigns, and shape the brand voice. Transitioning from PLG to enterprise, you will bridge individual user love into team-wide adoption for category-defining AI communication tools.
Location: London, UK
Why this role is remarkable:
- Founding-level impact as the first dedicated GTM hire, with full ownership over the growth function and strategy for a category-defining AI product.
- Work alongside an elite technical team with backgrounds from OpenAI, Imperial College London, and Y-Combinator, building a product already relied upon by ElevenLabs and leading founders.
- Join a culture of high standards and intellectual curiosity, offering a competitive salary and significant equity upside in a venture tackling the fundamental challenge of authentic digital communication.
What You Will Do:
- Own the end-to-end self-serve acquisition funnel, scaling top-of-funnel demand through social, content, and partnerships while systematically optimizing activation and conversion.
- Design and execute data-driven growth experiments to refine the PLG motion and identify high-intent signals for enterprise expansion.
- Craft compelling brand narratives and high-quality content that builds trust with professionals, while representing the company globally through live demos and user engagement.
The ideal candidate:
- Has 3+ years of experience in senior GTM or growth marketing roles, with a proven track record of building or scaling PLG motions at high-growth startups.
- Demonstrates exceptional storytelling and writing skills, capable of producing persuasive copy for everything from cold outreach to complex product landing pages.
- Possesses a scientific, analytical mindset to hypothesize and test growth strategies, combined with a genuine passion for talking to users and translating feedback into product improvements.
Founding GTM (£120k-£150k + Equity) at Lightfern Ltd in London employer: Jack & Jill
At Jack & Jill, we pride ourselves on being an exceptional employer that fosters a dynamic and innovative work culture. Our team enjoys a range of benefits including flexible working arrangements, professional development opportunities, and a collaborative environment that encourages creativity and growth. Located in a vibrant area, we offer unique advantages such as access to cutting-edge technology and the chance to work with industry leaders in AI-driven marketing strategies.
StudySmarter Expert Advice🤫
We think this is how you could land Founding GTM (£120k-£150k + Equity) at Lightfern Ltd in London
✨Show Your Creative Side
In marketing communications, standing out is key. Get creative with your application! Consider designing a mini-campaign or pitch that highlights your skills and understanding of the brand. Tailor it for Jack & Jill and show them what you can bring to the table.
✨Engage in Marketing Communities
Get involved in local or online marketing communications groups. Check out platforms like Meetup for events and workshops. Networking here can lead to hidden job openings and valuable insights into the industry trends—this is where we often discover what companies like Jack & Jill are looking for.
✨Leverage Social Media
Use platforms like LinkedIn and Twitter to showcase your passion for marketing communications. Share insights, articles, and your own content that resonates with the industry. Tagging or interacting with Jack & Jill on these platforms can catch the eye of recruiters and show you're genuinely interested in them.
✨Attend Industry Events
Keep an eye out for marketing conferences and workshops. These are great places to meet potential employers face-to-face and make connections that could land you a full-time role at Jack & Jill. Bring your business cards and be prepared to chat about how you can contribute!
We think you need these skills to ace Founding GTM (£120k-£150k + Equity) at Lightfern Ltd in London
Some tips for your application 🫡
Craft an Impactful Cover Letter:Your cover letter is your chance to shine! Focus on your passion for marketing communications and how your previous experiences can benefit Jack & Jill. Make sure to mention specific campaigns or projects you’ve worked on that showcase your creativity and strategic thinking.
Showcase Your Writing Skills:As you're diving into a marketing communications role, your writing ability is crucial. Include samples of your work, like blog posts, press releases, or social media campaigns in your application. This lets us see your style and how you engage with different audiences.
Tailor Your CV to Marketing:Your CV should highlight relevant marketing skills and experiences! Include specific tools or platforms you’ve used, like Google Analytics or social media management software. Mention any certifications or workshops related to marketing that you've completed – they can give you an edge!
Demonstrate Your Understanding of Jack & Jill:Show us that you’ve done your homework! In your application, briefly mention what you admire about Jack & Jill’s marketing approach or any recent campaigns that caught your attention. This can reveal your enthusiasm for the role and your genuine interest in joining our team!
How to prepare for a job interview at Jack & Jill
✨Showcase Your Creative Campaigns
Get ready to flaunt your portfolio! Include examples of previous marketing campaigns you've worked on, especially those that showcase your creativity and strategy. Recruiters at Jack & Jill will be keen to see how you conceptualise and execute campaigns, so highlight any measurable outcomes to back up your claims.
✨Know Your Digital Tools Inside Out
If you’re heading into a marketing-communications role, make sure you're comfortable discussing key digital marketing tools like Google Analytics, HubSpot, or Hootsuite. Expect some technical questions about how you've used these tools in the past, as they'll want to gauge your hands-on experience and how you analyse data to drive marketing decisions.
✨Be Ready for Scenario-Based Questions
At Jack & Jill, they may throw some scenario-based questions your way, aimed at testing your problem-solving skills in real-life marketing situations. Think through potential challenges you’ve faced, how you navigated them, and be prepared to discuss your thought process and outcome.
✨Demonstrate Your Passion for Marketing
As you’re applying for a full-time position, show that you're not just looking for a job, but a career in marketing. Talk about the latest trends in marketing communications, your favourite campaigns, and why they inspire you. Your enthusiasm can really make you stand out and demonstrate that you’re committed to growing within the field.
