AI Model Routing Architect | Production Multi-Model Systems

SIGNALPLUS SG PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

SignalPlus SG PTE. LTD. is seeking an AI Systems Engineer (Model Routing) to design and build automated routing systems across multiple foundation models, optimizing task-to-model assignments based on type, complexity, and performance signals.

You will also create evaluation and production infrastructure to measure model capabilities, translate signals into routing decisions, and continuously improve routing performance in production.

Qualifications

• Hands-on experience building production AI, ML, or distributed systems.
• Hands-on experience with automated model routing, dynamic model selection, model arbitration, ensemble systems, or multi-model decision systems.

Responsibilities

• Design and implement automated model-routing and dynamic model-selection systems across multiple models.
• Determine the most appropriate model for each request based on signals such as task type, complexity, model capability, quality, latency, cost, and reliability.
• Develop model-selection, arbitration, escalation, fallback, and ensemble mechanisms for different production scenarios.
• Translate evaluation results into actionable routing policies and continuously improve routing in production.

Skills

Automated model routing

Production AI systems

Multi-model infrastructure

Evaluation & benchmarking

Job description

SignalPlus SG PTE. LTD. is seeking an AI Systems Engineer (Model Routing) to design and build automated routing systems across multiple foundation models, optimizing task-to-model assignments based on type, complexity, and performance signals.

You will also create evaluation and production infrastructure to measure model capabilities, translate signals into routing decisions, and continuously improve routing performance in production.