Interfaze
Actively Hiring

Applied AI Engineer & Researcher

San Francisco, CA
Full-time
Visa Sponsorship

About the role

Apply here:

About Interfaze

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.

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!

What you will do

  • Research and understand different machine learning techniques and papers, then experiment with real-world implementation
  • Experience with deep learning frameworks (e.g., TensorRT-LLM, PyTorch), and AI development tools is a must
  • Working closely with the team to train, deploy and serve models at scale on popular cloud providers like AWS, GCP, and more
  • Write papers on your research and experiments contributing to the growing open-source AI world
  • Writing detailed benchmarks on comparisons and analysis (e.g. comparing performance for two embedding models or benchmarking whisper 3 with another model)
  • Quantization and fine-tuning of LLMs and other models for our developer use cases
  • Optimizing models and GPU infra for cost-to-scale ratio based on load
  • Writing Python code and Jupyter Notebooks

Who you are

  • A strong AI Researcher with at least 5 years of experience, and paper publications at venues like ICML, NeurIPS, ACL, NAACL, and IEEE
  • Worked with most of our GPU infra and have a good understanding of our tech stack
  • Comfortable with working across the stack - model deployment, benchmarking, fine-tuning, monitoring, and scaling the service
  • Up-to-date with the latest papers, techniques, and experiments
  • Using AI to 100x your productivity
  • Natural curiosity to experiment with new concepts and tools while working closely with our community of developers
  • You care about building great products and love to geek out about the latest tech in AI
  • Open to feedback and have a growth mindset

Bonus if you

  • Enjoy working in a startup environment where you can take initiative and contribute to the zero-to-one phase of development
  • Previously ran a startup or worked as a founding team member in a startup

Benefits

  • Great compensation package and equity/shares
  • Flexible and remote-friendly
  • Annually run off-sites
  • Learn and Grow - we provide mentorship and send you to events that help you build your network and skills
  • Annual Education Allowance
  • Let's build benefits together

Process

  • Apply here:
  • The entire process is fully remote and all communication will happen over email or via video chat.
  • Once you've submitted your application, the team will review your submission and may reach out for a short screening interview over a video call.
  • If you pass the screen you may be invited to complete a short task or discuss your past work.
  • If you pass the task/screen you will be invited to up to 2 follow-up interviews. The calls:
  • usually take between 20-45 minutes each depending on the interviewer.
  • are all 1:1.
  • will be with both founders, a member of either the growth or engineering team (depending on the role) and usually one other person from your immediate team or function.

About Interfaze

JigsawStack (now rebranding as Interfaze) is an AI infrastructure startup providing a unified SDK and API suite of purpose-built small models designed to automate high-maintenance backend developer tasks including web scraping, OCR, translation, speech-to-text, and classification. The company's flagship evolution, Interfaze, is positioned as 'the world's first LLM built for deterministic developer tasks,' combining heterogeneous deep neural networks, small language models, and a context-construction layer into a single OpenAI-compatible API. Founded in January 2024, the company was accepted into Y Combinator's Spring 2026 batch and has processed over 10 million API requests since its beta launch.

Required skills

C++
Rust
Torch/PyTorch
Docker
CUDA
Transformers

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Job details

Salary

$150,000 - $350,000

Equity

0.5% - 2%

Location

San Francisco, CA

Experience

1+ years

Company

NameInterfaze
IndustryAI / Machine Learning
Team Size5

Funding

Total raised

$2.2M

Last stage

Pre-seed

Investors

AAntler
Ada Ventures
Y Combinator
JJussi Salovaara
MMichael Tefula

Founders

Yoeven D Khemlani

Yoeven D Khemlani

CEO & Co-Founder

LinkedIn
Harsha Vardhan Khurdula

Harsha Vardhan Khurdula

CTO & Co-Founder

LinkedIn
Yoeven D Khemlani

Yoeven D Khemlani

CEO & Co-Founder

LinkedIn
Harsha Vardhan Khurdula

Harsha Vardhan Khurdula

Co-Founder

LinkedIn
YK

Yoeven Khemlani

Co-Founder

LinkedIn

What happens next.

No applications, no recruiter spam. Just the intro.

01

Confirm the fit

A few questions to make sure this role is the right shape for you. Two minutes.

02

I pitch you to the company

I write the intro, send it to the founder, and handle the back-and-forth.

03

A meeting lands on your calendar

If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.