Join Requesty Ltd as a Founding Engineer to build the backbone of the AI era. You will design and scale a high-performance LLM gateway in Go, managing 75B+ daily tokens. This role offers direct influence over product architecture and company culture while working alongside the founders in a fast-paced London environment.
Founding Engineer at Requesty Ltd
You’ll own the architecture of our Go-based LLM gateway, designing high-performance systems that route traffic across 400+ providers. This role offers significant equity and a front-row seat to building a category-defining infrastructure company. If you're a backend expert ready to ship daily and influence every technical decision, we want to talk to you in London.
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Location
London, United Kingdom
Compensation
Not Disclosed + Equity
Company
Requesty Ltd
Role overview
Requesty is an AI gateway and unified LLM router that sits between applications and multiple large language model providers. It provides a single OpenAI-compatible API to access and manage 400+ models across 200+ providers, with features such as telemetry, analytics, load balancing, prompt management, data loss protection, automatic failover, and enterprise governance for developers and teams building AI applications.
What you will do
- Architect and build a high-performance LLM gateway using Go to route, load-balance, and secure AI traffic across 400+ providers.
- Optimize distributed systems to handle massive throughput while implementing features like real-time analytics, cost optimization, and PII scrubbing.
- Work directly with the founders to translate product vision into scalable infrastructure, shipping production-ready code daily in a pragmatic micro-service environment.
Who this is a fit for
- Expert backend engineer with 5+ years of experience in compiled languages like Go, Rust, or C++, and a deep understanding of concurrency.
- Proven track record of designing and scaling pragmatic distributed systems, including experience with Kubernetes, SQL databases, and distributed caching mechanisms.
- Entrepreneurial mindset with the ability to balance speed and quality, ideally with previous experience in infrastructure-as-a-product or developer-facing platforms.
Why this role is remarkable
- Build the infrastructure layer for the AI-first economy, creating a “Cloudflare for AI” that powers mission-critical LLM applications for global enterprises.
- Join an elite team backed by $3M from top-tier investors like 20VC and Tapestry VC, already handling massive scale at 75B+ tokens per day.
- As a founding engineer, you will have significant equity and a direct hand in shaping the technical direction and culture of a growing startup.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.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.
I recruit from Jack’s network and make the intro when I spot a great match.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.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
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What happens next?
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Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Requesty Ltd wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.