Senior Fullstack Engineer (£110k-£130k) at $75M Series C sports betting platform

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Job Title Senior Fullstack Engineer - AI & Back Office Salary £110,000 - £130,000 Company Description Series C sports betting platform with $75M in equity funding backed by The Raine Group Job Description You will join a high-impact, greenfield team building a next-generation internal platform from the ground up. As a player-manager, you will maintain a modern Python/Vue/AWS stack while leading AI experimentation. Your work will directly automate engineering workflows and empower non-technical teams with LLM-powered tools, shaping how the entire organization operates daily. Location Remote, UK Why this role is remarkable

• Lead a brand new, greenfield function with full autonomy to shape the internal architecture and define the company's long-term AI strategy.
• Join a well-funded Series C scale-up (~150 people) that has raised over $75M from prestigious investors like The Raine Group.
• High-velocity engineering culture that ships to production daily, utilizing proprietary technology rather than off-the-shelf solutions to redefine the betting experience.

What You Will Do

• Design, build, and maintain the backend systems and Vue-based frontend for the company’s new internal back office platform.
• Lead and mentor a focused team of three engineers (two fullstack, one backend) while remaining 70-80% hands-on as a contributor.
• Identify and productionize AI-powered improvements, from smarter code review tooling for engineers to automated LLM assistants for operational teams.

The ideal candidate

• 7+ years of professional backend experience, with strong proficiency in Python and modern cloud infrastructure like AWS, Docker, and Terraform.
• Proven experience building internal platforms or admin tooling and a genuine track record of integrating LLM APIs into production environments.
• Demonstrated ability to lead or mentor engineers in a technical capacity while effectively communicating complex solutions to non-technical stakeholders.

Who are Jack & Jill? Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support. And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate. How does this work?

• 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 it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

We never post fake jobs This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn't much we can do about it. Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.