Location:

Singapore

Onsite Interview:

Required (Singapore or Beijing)

Level:

Early Career / High-Potential Engineers
We are building high-performance large model inference systems that push GPUs to their limits.

We are looking for exceptional engineers to design and optimize production-grade LLM inference infrastructure, achieving:

• Extreme performance

• Ultra-low latency

• Maximum GPU utilization

• Lowest cost per token

This is a core role that directly impacts our company's technical competitiveness.

What You Will Do

Production LLM Inference Systems

Build and optimize high-performance inference services based on:

• vLLM

• TensorRT-LLM

• SGLang

• FasterTransformer

• TGI (Text Generation Inference)

Deploy production-grade inference systems serving real workloads.

Inference Performance Optimization

Optimize:

• Latency

• Throughput

• Cost per token

Using techniques such as:

• KV cache optimization

• Continuous batching

• Paged attention

• Speculative decoding

• Prefix caching

• Quantization (FP8 / INT8 / INT4)

GPU-Level Optimization

Improve GPU efficiency by optimizing:

• Memory bandwidth utilization

• Tensor Core utilization

• Kernel launch efficiency

Work involving:

• CUDA

• Triton kernels

• FlashAttention

• Custom CUDA kernels

Distributed Inference

Design and implement:

• Tensor parallelism

• Pipeline parallelism

• Expert parallelism (MoE)

• Multi-node inference

Using:

• NCCL

• CUDA

• RDMA

Large-Scale Inference Platform

Build large-scale inference platforms including:

• Inference scheduler

• Load balancer

• Multi-tenant inference system

Supporting:

• Thousands of GPUs

• Billions of tokens per day

Cost Optimization

Reduce cost per token through:

Advanced batching strategies

GPU memory optimization

Cluster scheduling

Technical Requirements

Strong experience or project exposure in several of the following areas:

GPU & Low-Level Optimization

• CUDA / CUDA Kernel development

• GPU performance tuning

• Kernel / Operator optimization

• Triton / TVM

• TensorRT acceleration

Large Model & Inference

• Megatron-LM

• DeepSpeed

• Colossal-AI

• vLLM / SGLang

• Large model inference optimization

• Quantization / KV cache optimization (plus)

Distributed & Systems

Distributed Systems

PyTorch Distributed

NCCL

HPC (High Performance Computing)

AI Infrastructure / ML Infra

Multi-GPU / Multi-node training systems

Preferred Background

• Bachelor's from a strong university (CS/EE/AI) or Master's degree preferred

• Strong foundation in:

  • Computer Systems

  • Operating Systems

  • Parallel Computing

  • Distributed Systems

  • Linear Algebra & ML fundamentals

• Competitive programming / ACM / research experience is a plus

• Publications or open-source contributions are a plus