Senior Product Engineer [Backend] (£80k-£100k + Equity) at VC-backed generative marketing SaaS

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.

Senior Product Engineer [Backend]

Salary: £80k-£100k + Equity

Company Description: VC-backed generative marketing SaaS

Job Description:
As a Senior Product Engineer, you will own critical product areas, making high-impact technical and strategic decisions. You will design secure, concurrent backend systems and modern cloud architectures while working in a high-ownership environment without traditional PMs. You'll collaborate across the stack to deliver world-class experiences that revolutionize how B2B teams engage buyers.

Location: London, UK

Why this role is remarkable:

• Take full end-to-end ownership of product and roadmap decisions in a high-autonomy culture without Project Managers.

• Join an early-stage team on an incredible growth trajectory, backed by top-tier VCs in the generative AI marketing space.

• Enjoy premium perks including a Shoreditch office with a private gym, team off-sites to places like Corfu, and high-spec Apple hardware.

What you will do:

• Design and implement scalable architectures for new features using Golang, TypeScript, and AWS cloud services.

• Lead projects from first principles, making critical product decisions based directly on customer interactions and feedback.

• Design and maintain high-performance internal and public REST API contracts to support a rapidly growing user base.

The ideal candidate:

• Proven experience designing secure, highly concurrent backend systems and message-driven architectures in modern cloud environments.

• Strong proficiency in Golang or similar languages, with a desire to contribute across the full stack when necessary.

• Excellent communication skills and a product-focused mindset that values high-quality user experiences and clean documentation.

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.

Next steps
Step 1. Visit our website.
Step 2. Click 'Talk to Jack'.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.

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.