Location: San Francisco, CA

Apply here: https://dub.sh/jigsawstack-apply

About JigsawStack:

At Interfaze, we’re building a new model for deterministic developer tasks that expects high accuracy like OCR, web scraping, classification, STT, and more. We currently power thousands of systems in industries like healthcare, finance, government, SaaS and more which has processed billions of tokens every month.

About this role:

We’re hiring an AI Engineer & Researcher who is looking to push the boundaries of our models by implementing and experimenting with new research and techniques. As part of the Interfaze lab, you will help improve the performance and capabilities of our models by managing our AI lifecycle, including fine-tuning, automating data collection and cleaning, benchmarking, and deployment.

As a founding member at Interfaze, your role will be dynamic, offering opportunities to spearhead and launch innovative research, papers, and products into production while being the go-to expert for all things AI!

Our tech stack:

• Languages: Python, Cython, Typescript, C++ (nice to have), Rust (nice to have)
• Frameworks: Docker, PyTorch, Transformers, CUDA.
• Inference engines: SGLang, vLLM, TensorRT-LLM, Ollama, Llama.cpp
• Model Architectures: Gemma 4 Unified, Llama 3.1, Qwen3-VL, and GLM 5.2.
• Frontend: NextJS/React
• Backend: NodeJS
• Language: Typescript
• Infrastructure:
  • Functions & Sandboxes: Modal, Vercel.
  • Model Deployments: GCP, AWS, Azure, & Modal
• Database: Postgres (Supabase)
• Query: SQL/GraphQL
• Payment/Billing: Stripe

What you will do: