Founding Backend Engineer at VC-backed collaborative AI startup

Job Title

Founding Backend Engineer

Salary

Not Disclosed

Company Description

VC-backed collaborative AI startup

Job Description

You will architect the infrastructure for a next-generation agentic collaboration platform that automates coordination across teams. As a founding engineer, you will own the backend systems, scaling a proprietary stack of semantic memory and agent-to-agent negotiation. This role involves building high-performance, secure systems to support real-time agentic workflows for global enterprise clients.

Location

London, UK or San Francisco, USA

Why this role is remarkable

• Join as a founding hire with significant equity at an early-stage startup backed by top-tier global venture firms.
• Work alongside a high-pedigree founding team with deep academic and commercial expertise in distributed systems and AI.
• Solve complex technical challenges involving low-latency graph queries, durable agent state, and continuous background processing at scale.

What You Will Do

• Architect and maintain robust cloud infrastructure and PostgreSQL database systems to ensure high availability and performance.
• Optimize end-to-end latency and inference costs to ensure seamless real-time agent interactions across the platform.
• Lead security and reliability efforts, implementing threat modeling, access controls, and comprehensive observability for sensitive data.

The ideal candidate

• Exceptional backend experience with TypeScript and Node.js, combined with deep expertise in PostgreSQL performance and schema design.
• Proven track record of building and operating production-grade cloud infrastructure and distributed systems in high-growth environments.
• Strong ownership mindset with the ability to ship relentlessly and solve complex architectural problems without extensive oversight.

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