Backend Engineer at well-funded creative tech startup

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: Backend Engineer

Company Description: Well-funded creative tech startup

Job Description:
You will lead the backend evolution of a high-growth social platform transitioning from non-relational to relational architectures to support millions of users. This role involves building robust payment systems optimizing global media delivery pipelines and establishing the technical foundation for real-time collaboration features within a talent-dense high-velocity engineering culture.

Location: London UK

Why this role is remarkable:

• Work on a high-scale consumer product backed by top-tier VCs and prominent industry leaders.

• Solve complex distributed systems challenges including a zero-downtime database migration and low-latency media streaming.

• Join a small elite team where you have high ownership over the technical roadmap and deployment standards.

What you will do:

• Execute a full migration from NoSQL to a canonical relational schema with dual-writes and data reconciliation.

• Own the end-to-end payments and entitlements infrastructure using Stripe and RevenueCat for cross-platform parity.

• Build and scale media processing pipelines and CDN strategies to ensure reliable high-speed content delivery globally.

The ideal candidate:

• Deep expertise in relational database design SQL optimization and executing complex data migration strategies.

• Proven track record of designing resilient APIs for high-concurrency environments across web and mobile clients.

• Strong production mindset with experience in CI/CD structured observability and managing media-heavy cloud infrastructure.

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:

IC