Full Stack AI Engineer

On behalf of a fast-growing Singapore startup that helps large enterprises coach and upskill frontline teams with intelligent, brand-specific AI, we are looking for an experienced Full Stack AI Engineer to join their dynamic product development team.

Mission for this role is to help build, launch, and scale customer-facing features - fast. You'll work closely with design, AI, and go-to-market teams to turn ideas into high-impact tools used by thousands of enterprise users. The AI fluency is required both as a daily tool to help with product development and providing AI-based features to customers.

Responsibilities:

• Build end-to-end features across our Client's AI-powered product suite (React + Node + MongoDB, Langchain/LangGraph + OpenAI/Anthropic + 11labs/Livekit)
• Contribute to core architecture, design decisions, and rapid prototyping
• Own UI/UX flows for both end-users and admin dashboards
• Collaborate across AI, customer success, and product to ship fast and learn faster
• Help us scale from pilot-level builds to global enterprise deployments

Requirements:

• 7+ years of full stack development experience
• Fluent in TypeScript, React, Node.js + AI toolchain
• On-premise deployment experience is highly preferred
• LLM fine-tuning (Whisper, open-source models, etc.)
• Voice/audio AI (TTS, STT, real-time voice systems)
• Strong product sense - working closely with customers, designers, AI to ship most simple and intuitive product
• Fast, pragmatic, and product-driven - you ship and iterate
• Experience in fast-paced startups or lean product teams is a major plus
• Strong communication skills - essential in quick-paced startups and remote teams
• Fluent in English

Work arrangement: Remote in Indonesia / Vietnam

Employment type: Full-time

Who is High Five

We helps companies source, hire and pay tech talent in Southeast Asia - compliantly, without needing to set up a local entity. Our services include Talent sourcing, Employer and Agency of Record, and Global payroll. For job seekers, we open the door to a world of opportunities - connecting individuals with roles in other countries that allow them to maximize their unique skills and fulfill their potential.