Technical Co-Founder at Antler
- Location
- London, United Kingdom
- Compensation
- Not Disclosed + Equity
Are you an exceptional backend engineer ready to transition from employee to owner? Antler is backing the launch of Demi, an AI-native ecommerce startup rethinking how brands scale online. We are seeking a Technical Co-Founder to join a former Antler Associate Partner and Goldman Sachs alumna in building this vision from zero.
As an equal partner, you will own the entire technical architecture, shipping agentic AI systems that disrupt legacy platforms. This is a rare opportunity to secure equal equity in a venture-backed startup with the full support of Antler’s global network. If you have the hunger to build a category-defining company, join us in London.
What's the next step?
Antler are hiring from Jack's network. Talk to Jack for free and get a direct introduction to the team, if a good fit.
Role overview
Demi is an AI-native ecommerce company rethinking how brands grow online. We are looking for a Technical Co-Founder to build this from zero. You will own the entire technical direction—architecture, infrastructure, and product delivery—partnering with a commercially-driven co-founder to disrupt legacy ecommerce systems using agentic AI and advanced automation.
About Antler
Venture Capital & Private Equity
Antler is one of the most active early-stage investors globally. The firm leads in ‘Day Zero’ investing, an approach to venture capital focused on partnering with founders pre-launch. Antler systematically removes capital and network constraints for early-stage technology entrepreneurs by providing co-founder matching, deep business model validation, initial capital, expansion support, and follow-on funding. The firm is present in 27 cities across most leading technology ecosystems globally and has made over 1,300 investments into early-stage startups. Antler has been repeatedly recognized by Pitchbook as the world’s most active angel and seed-stage investor.
What you will do
- Lead the end-to-end development of the core product, making critical architectural decisions and shipping high-quality code in a fast-paced, pre-product environment.
- Architect and implement AI-native workflows, agentic systems, and data infrastructure that provide a competitive edge over legacy ecommerce platforms.
- Scale the company from a two-person team to a high-performance engineering organization, setting the technical culture and hiring future engineering talent.
Who this is a fit for
- Exceptional backend engineering professional with a proven track record of shipping complex, successful products in ecommerce, AI/ML, or marketplace environments.
- Demonstrates a builder mentality with high agency, comfortable taking intelligent risks and iterating rapidly based on direct customer feedback.
- Possesses founder-level hunger and commercial curiosity, ready to commit to a long-term partnership and build a category-defining company from the ground up.
Why this role is remarkable
- Join as an equal co-founder with full ownership of the technical roadmap and the opportunity to build an AI-native ecommerce platform from scratch.
- Backed by Antler’s global venture network, providing immediate access to funding, high-level mentorship, and a powerful community of founders and investors.
- Partner with a co-founder who brings deep expertise from Goldman Sachs and Antler, specializing in startup inception, fundraising, and commercial strategy.
How Jack & Jill work together
What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Antler wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.