Senior Product Engineer [Backend] (80k-100k + Equity) at

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 Jacks network.

The next step is to speak to Jack.

Job Title: Senior Product Engineer Backend

Salary: 80k-100k Equity

Company Description: - VC-backed AI marketing startup backed by LocalGlobe

Job Description:
Join a high-growth startup as a core engineer building the future of Generative Marketing. You will own product areas end-to-end in a PM-free environment designing secure backend systems for a platform used by Stripe and Canva. This is a high-impact role where youll solve complex architectural challenges while directly influencing product strategy.

Location: London UK

Why this role is remarkable:

• Exceptional autonomy in a PM-free culture where engineers talk directly to customers and own the entire product roadmap from first principles.

• Backed by top-tier investors including LocalGlobe and the founders of and Maze with a client list featuring Stripe and Datadog.

• High-density talent environment with a team from backgrounds like Thought Machine and PlayStation offering significant equity in an early-stage trajectory.

What you will do:

• Design and implement scalable backend architectures using Golang and AWS to support hyper-personalized marketing campaigns at scale.

• Lead the development of high-performance REST APIs for both internal services and public-facing consumer applications.

• Collaborate across the stack (Go/TS) to make strategic technical decisions that directly resolve complex B2B buyer engagement challenges.

The ideal candidate:

• Strong technical depth in typed languages such as Go Java Rust or C# with a focus on building highly concurrent secure systems.

• Proven experience with modern cloud architectures (AWS/GCP) and data technologies like Kafka Redis and BigQuery.

• A product-minded engineer who thrives in ambiguity and enjoys taking full ownership of features from customer discovery to production.

Who are Jack & Jill

Ok Ill go first. Im Jack an AI that gets to know you on a quick call learning what youre 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 Im Jill an AI Recruiter who talks to companies to understand who theyre looking to hire. Then I recruit from Jacks 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 youre 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 isnt a trick. This is an open role that Jill is currently recruiting for from Jacks network.
Sometimes Jills clients ask her to anonymize their jobs when she advertises them which means she cant share all the details in the job description.
We appreciate this can make them look a bit suspect but there isnt 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 were giving his services away for free.

Required Experience:

Senior IC