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Applied Research Engineer, LLM Compression

orient path_ • Austria
Visa Sponsorship Relocation
This Job is No Longer Active This position is no longer accepting applications

Develop and ship new compression methods for Large Language Models, focusing on structural pruning and quantization. Own the technical scope from prototyping to production integration, optimizing models for cloud and edge deployment. Requires a PhD in CS/ML with published work on quantization/pruning and production-grade Python experience.

Key Highlights
Applied research role focused on shipping compression algorithms rather than writing papers.
Work across the stack including pruning, quantization, and evaluation infrastructure.
Hybrid work location in Vienna with visa sponsorship and relocation support.
Key Responsibilities
Improve and extend the structural pruning algorithm to new architectures such as MoE, multimodal, and vision-language models.
Combine pruning with quantization techniques (NVFP4/FP8/INT4, sub-4 bit mixed precision) in the compression pipeline.
Expand and improve the model retraining pipeline using SFT, GKD, DPO, and GRPO.
Compress customer models (Llama, Qwen, Gemma, and proprietary fine-tunes) for cloud and edge deployment.
Perform hardware-aware optimization for different accelerator targets including A100/H100/B300 and edge hardware.
Technical Skills Required
Python LLM Compression Quantization
Benefits & Perks
Visa sponsorship
Relocation support
Hybrid work in Vienna
Nice to Have
Open-source contributions to ML infrastructure (vLLM, llama.cpp, transformers, TensorRT-LLM, bitsandbytes, GPTQ/AWQ implementations).
Experience with MoE architectures or multimodal models (Qwen Omni).
Background in kernel optimization.

Job Description

At Orient Path, we partner with innovative deep-tech companies building the next generation of AI infrastructure.

About the Company

A deep-tech software startup of 6 people developing algorithms for LLM compression and optimization, founded in early 2025 by two former quantum physicists. The company raised a €3.5M Seed round in 2026, and plans to expand the team and compression offerings to Silicon Vendors, AI Enterprises, OEMs, and Cloud Providers.

We believe the next wave of AI adoption will be driven by compact, highly efficient models optimized for specific use cases, rather than large general-purpose cloud models.

About the Role

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