Lead Engineer – AI

A1 is a self-funded AI group, operating in full stealth. We’re building a new global consumer AI application where the intelligence layer is core to the product, not an add-on.

This is a founding technical leadership role. You will act as the principal builder of A1’s AI systems - writing production code, designing ML pipelines, and setting engineering standards while directly shaping how our AI works in the real world.

Why This Role Matters

You define how AI systems are built at A1

You connect data, models, evaluation, and product

You raise the technical bar through direct contribution

What You’ll Do

Design and implement end-to-end AI systems

Build training, inference, and evaluation pipelines

Write production orchestration and feedback code

Optimize latency, cost, and model quality

Review PRs and mentor engineers

Requirements

6+ years engineering experience

Strong hands‑on ML background

Production LLM / RAG experience

Strong Python plus one backend language

Our Team & Culture We operate as a dense, senior, high-performance team. We value clarity, speed, craftsmanship, and relentless ownership. We behave like founders — we build, ship, iterate, and hold ourselves to a high technical bar.

If you value excellence, enjoy building real systems, and want to be part of a small team creating something globally impactful, you’ll thrive here.

About A1 A1 is a self-funded, independent AI group, focused on building a new consumer AI product with global impact. We’re assembling a small, elite team of ML and engineering builders who want to work on meaningful, high-impact problems.

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