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Full Stack Engineer - AI Systems

ACHIEVE Career Consultant Pte. Ltd.

Role Description

Build an AI product from the ground up.

Most AI applications today are still glorified chatbots.

We're building something different.

A1 is creating an AI-native product that can plan, reason, remember, use tools, recover from failures, and proactively help users complete real-world tasks. Think beyond prompts and chat—this is about building reliable AI systems people can depend on every day.

We're looking for a Full Stack Engineer – AI Systems who wants to solve difficult engineering problems at the intersection of product, distributed systems, and LLMs.

What you'll be building

• End-to-end AI-native product features across frontend, backend, and AI systems
• Agentic workflows capable of planning, tool usage, multi-step execution, and recovery
• Production-grade integrations with LLMs, memory, RAG, and external tools
• Real-time AI experiences with streaming responses and low latency
• Reliable systems with strong observability, evaluation, and fallback mechanisms

Requirement

Strong Full Stack Engineering experience (Next.js / React, Python, Node.js

✔ Experience building production AI applications using LLMs, RAG, or AI agents

✔ Strong system design and API architecture fundamentals

✔ Someone who thrives in ambiguity, takes ownership, and enjoys building from scratch

Skills