Full Stack Engineer - AI Systems
Summary
Build an AI-native product from scratch, integrating LLMs, agentic workflows, and real-time systems using full-stack engineering (Next.js/React, Python, Node.js) in Singapore.
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
What we're looking for
✔ 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
Why join?
- Build a category-defining AI product from day one
- High talent-density team with a flat structure and no unnecessary bureaucracy
- Significant ownership—you'll shape both the product and the engineering direction
- Remote-first work environment
- Solve some of the hardest problems in production AI today
- Work alongside engineers passionate about building reliable AI systems, not demos
How To Apply
Submit your application by emailing a detailed copy of your updated resume in MS Word Format to Lin Jin Sen (EA Personnel Reg. No. R26159541, Achieve Career Consultant Pte Ltd EA Licence No. 05C3451)by clicking the “Apply Now” or email to andie.lin@achievegroup.asia for a confidential discussion
- Current & Expected Salary
- Reason(s) for leaving
- Notice Period / Availability to commence work
Equal Opportunity Statement
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