Founding Backend Engineer for AI Music Creation Platform
Join a small founding team building a browser-based music creation platform. As the Founding Backend Engineer, you'll own the backend systems powering payments, collaboration, and media infrastructure. You'll help build the core infrastructure behind a product aiming to redefine how music is created online.
Key Highlights
Key Responsibilities
Technical Skills Required
Benefits & Perks
Nice to Have
Job Description
Founding Backend Engineer | PostgreSQL, GCP & Distributed Systems | AI Music Creation Platform
Salary: £60,000-£100,000
Location: Victoria, London
The Role
You’ll join a small founding team building a browser-based platform designed to make creating music as universal as listening.
The product already has 100,000+ users and over 1M songs created. As the Founding Backend Engineer, you’ll own the backend systems powering payments, collaboration, and media infrastructure as the platform scales to millions of users.
What They’re Looking For (Non-Negotiables)
You’re a backend engineer who enjoys designing systems properly and taking ownership of production infrastructure.
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You will likely bring experience with:
• PostgreSQL / SQL database design, schema architecture, indexing, migrations
• NoSQL databases such as Firestore
• Database migrations from NoSQL to relational systems
• REST API design for high concurrency
• Stripe payments and subscription systems (RevenueCat beneficial)
• Docker containerisation and CI/CD pipelines
• Cloud infrastructure such as GCP or AWS
• Media pipelines, CDN delivery, and large file uploads
• Monitoring, logging, and production reliability
Nice to Haves
• ElasticSearch or search databases
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• Vector databases or semantic search systems
• WebSockets or real-time collaboration systems
• Next.js server-side rendering exposure
• Analytics tooling such as PostHog or Axiom
• Music production experience using DAWs such as Ableton or Logic
Why Join / Projects
You’ll help build the core infrastructure behind a product aiming to redefine how music is created online.
You will:
• Lead the migration from Firestore to PostgreSQL
• Build the payments backbone powering subscriptions
• Design scalable media upload and streaming systems
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• Build backend systems for real-time music collaboration
• Improve reliability, observability, and deployment pipelines
The team works from a central London office near Victoria Station and prioritises in-person collaboration.
Employee Benefits
• Founding equity
• Visa sponsorship available
• Private medical and health insurance
• Gym membership
• Pension contribution
• Frive meal prep
• MacBook of your choice
Founding Backend Engineer | PostgreSQL, GCP & Distributed Systems | AI Music Creation Platform
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