🜂 pfn.vaked.devPreferred Networks (PFN · プリファードネットワークス) · Péter József Lódri
ELI5 (Explain Like I'm 5) — Preferred Networks (PFN · プリファードネットワークス) E2E Application & LinkedIn Outreach Guide
Target Company: Preferred Networks (PFN · プリファードネットワークス) (Otemachi, Chiyoda-ku, Tokyo (大手町フィナンシャルシティ))
Target Role: Senior Rust Systems & Custom AI Accelerator Engineer (MN-Core / PLaMo / Rustuna)
Estimated Compensation: ¥12,000,000 – ¥22,000,000+ JPY
Dedicated Interactive Subdomain: https://pfn.vaked.dev
Applicant LinkedIn: https://www.linkedin.com/in/peter-lodri/
1. What Is Ready Right Now (ELI5)
We built a complete, self-contained dedicated subdomain website (https://pfn.vaked.dev) and 3 print-ready PDFs specifically for Preferred Networks (PFN · プリファードネットワークス):
| Asset | Local File | Live Subdomain URL | When to Use It |
|---|---|---|---|
| Interactive Browser CV | index.html | https://pfn.vaked.dev/ | Paste this as your Portfolio / Website URL in the application form and in LinkedIn DMs. |
| Tailored Résumé / 履歴書 PDF | lodri-resume.pdf | https://pfn.vaked.dev/resume.pdf | Upload to the Resume / CV / 履歴書・職務経歴書 slot. |
| Visual & Systems Portfolio PDF | lodri-portfolio.pdf | https://pfn.vaked.dev/portfolio.pdf | Upload to the Portfolio / Work Samples / 作品 slot. |
| Full Application Dossier PDF | lodri-application.pdf | https://pfn.vaked.dev/application.pdf | Upload as Cover Letter / Additional Documents or attach to email. |
| Raw Markdown Answers | application.md | https://pfn.vaked.dev/application.md | Copy-paste answers directly into web form text boxes. |
2. How to Apply in 3 Minutes (Step-by-Step)
- Open the Official Portal: Click https://www.preferred.jp/en/careers/ (or email
careers@preferred.jp). - Upload Your Tailored PDFs:
- Attach
lodri-resume.pdf(https://pfn.vaked.dev/resume.pdf) as your CV/Resume. - Attach
lodri-portfolio.pdf(https://pfn.vaked.dev/portfolio.pdf) as your Portfolio.
- Paste Your Dedicated Subdomain URL: Put
https://pfn.vaked.devin the Website/Portfolio URL field, andhttps://www.linkedin.com/in/peter-lodri/in the LinkedIn field. - Send the 1-Click LinkedIn Note (Below): Right after submitting, open the LinkedIn links below and send the 1-click connection note so an engineer/founder/recruiter pulls your application straight from the queue!
3. LinkedIn Links & Key Contacts for Preferred Networks (PFN · プリファードネットワークス)
- Company LinkedIn Page: https://www.linkedin.com/company/preferred-networks/
- Company LinkedIn Jobs: https://www.linkedin.com/company/preferred-networks/jobs/
- Company LinkedIn People Directory: https://www.linkedin.com/company/preferred-networks/people/
- 1-Click Filtered Recruiter & Engineer Search: Search Preferred Networks (PFN · プリファードネットワークス) Recruiters & Engineers on LinkedIn
- Your LinkedIn Profile: https://www.linkedin.com/in/peter-lodri/
Named Leadership & Recruiting Contacts
- Toru Nishikawa (西川徹) (Co-Founder, President & CEO, Preferred Networks): https://www.linkedin.com/search/results/people/?keywords=Toru%20Nishikawa%20Preferred%20Networks — Co-founder leading PFN's vertically integrated computing stack (MN-Core, PLaMo, Matlantis).
- Daisuke Okanohara (岡野原大輔) (Co-Founder & Chief Technology Officer (CTO), Preferred Networks): https://www.linkedin.com/search/results/people/?keywords=Daisuke%20Okanohara%20Preferred%20Networks — Co-founder & CTO pioneering deep learning infrastructure, low-bit inference, and PLaMo LLMs.
- PFN Talent Acquisition & Compiler/Systems Team (Engineering Recruiting · Otemachi, Tokyo): https://www.linkedin.com/search/results/people/?keywords=Preferred%20Networks%20Recruiter%20OR%20Talent%20Tokyo — Technical recruiting team for MN-Core runtime, Optuna/Rustuna, and PLaMo inference.
4. Copy-Paste LinkedIn Connection Note (< 300 Characters)
Hi! I built a live interactive MN-Core systolic array & Rust systems portfolio specifically for Preferred Networks in Otemachi: https://pfn.vaked.dev — showcasing bit-exact C/Rust 1.58-bit ternary codecs (pureQTern) & custom GPU kernels. Would love to connect! — Péter
5. Copy-Paste LinkedIn InMail / Direct Email (careers@preferred.jp)
Dear Preferred Networks (PFN) Engineering & Talent Team,
I created a dedicated interactive systems portfolio and bilingual application dossier for Preferred Networks in Otemachi, Tokyo:
• Live Interactive Portfolio (MN-Core Systolic Array Simulation): https://pfn.vaked.dev
• Formal 履歴書 + 職務経歴書 (PDF): https://pfn.vaked.dev/resume.pdf
• Systems Portfolio (PDF): https://pfn.vaked.dev/portfolio.pdf
• Full Technical Application Note: https://pfn.vaked.dev/application
Why PFN is my ideal technical home in Tokyo:
• Bit-Exact C/Rust Low-Bit Runtimes: I built pureQTern and project-zero — dependency-free 1.58-bit ternary codecs in C and Rust verified to the bit by golden SHA-256 hashes, plus custom Metal GPU kernels (MLX-QUANT) achieving 12.80× compression.
• High-Throughput Systems & Open Source: Core Architect on Osaurus (osaurus-ai/osaurus) & Osiris (simplifaisoul/osiris), contributor to Headroom (PR #1418), and 9+ years leading high-concurrency Go/Rust/Python systems (ASAPP, DailyWire).
Warm regards,
Péter József Lódri
https://www.linkedin.com/in/peter-lodri/