Get Hired by the World’s Best AI Companies
Fonzi matches elite engineers with AI startups and high-growth tech companies. It’s easy, fast, and discreet.
Get Hired by the World’s Best AI Companies
Fonzi matches elite engineers with AI startups and high-growth tech companies. It’s easy, fast, and discreet.
Candidate Fit
Is Fonzi Right for You?
Candidate Fit
Is Fonzi Right for You?
Candidate Fit
Is Fonzi Right for You?
Built for Elite
Full Stack Engineers
Product Engineers
AI Engineers
Frontend Engineers
Backend Engineers
Data Scientists
ML Engineers
ML Researchers
Full Stack Engineers
Product Engineers
AI Engineers
Frontend Engineers
Backend Engineers
Data Scientists
ML Engineers
ML Researchers
Full Stack Engineers
Product Engineers
AI Engineers
Frontend Engineers
Backend Engineers
Data Scientists
ML Engineers
ML Researchers
Companies use Fonzi to hire elite talent across the technical stack. Here are the roles and where they sit in the stack, available to candidates on Fonzi.
Companies use Fonzi to hire elite talent across the technical stack. Here are the roles and where they sit in the stack, available to candidates on Fonzi.
Models
ML Researcher
AI Research Scientist
Research
Training
Evals
ML Engineer
Data Scientist
Quant Researcher
Data
Inference
Modeling
Products
AI Engineer
Prompting
Agents
Workflow
Fullstack Engineer
Frontend Engineer
Backend Engineer
Product
Interfaces
APIs
ML Researcher
AI Research Scientist
Research
Training
Evals
ML Engineer
Data Scientist
Quant Researcher
Data
Inference
Modeling
AI Engineer
Prompting
Agents
Workflow
Fullstack Engineer
Frontend Engineer
Backend Engineer
Product
Interfaces
APIs
Models
ML Researcher
AI Research Scientist
Research
Training
Evals
ML Engineer
Data Scientist
Quant Researcher
Data
Inference
Modeling
Products
AI Engineer
Prompting
Agents
Workflow
Fullstack Engineer
Frontend Engineer
Backend Engineer
Product
Interfaces
APIs
For Candidates
Let the best companies compete for you.
Apply to join Fonzi’s curated talent marketplace to receive multiple job offers from the world’s most exciting companies, and receive expert guidance from your dedicated Concierge Recruiter every step of the way.
For Candidates
Let the best companies compete for you.
Apply to join Fonzi’s curated talent marketplace to receive multiple job offers from the world’s most exciting companies, and receive expert guidance from your dedicated Concierge Recruiter every step of the way.
For Candidates
Let the best companies compete for you.
Apply to join Fonzi’s curated talent marketplace to receive multiple job offers from the world’s most exciting companies, and receive expert guidance from your dedicated Concierge Recruiter every step of the way.
BiomeLogic (YC W24)
Seed
Climate tech
Role
Founding Software Engineer
Offer
$255,000
BiomeLogic is a YC company that is building a carbon tracking platform for enterprises. Our IoT integration helps companies automatically monitor and reduce their environmental impact across operations.
Schedule interview
BiomeLogic (YC W24)
Seed
Climate tech
Role
Founding Software Engineer
Offer
$255,000
BiomeLogic is a YC company that is building a carbon tracking platform for enterprises. Our IoT integration helps companies automatically monitor and reduce their environmental impact across operations.
Schedule interview
BiomeLogic (YC W24)
Seed
Climate tech
Role
Founding Software Engineer
Offer
$255,000
BiomeLogic is a YC company that is building a carbon tracking platform for enterprises. Our IoT integration helps companies automatically monitor and reduce their environmental impact across operations.
Schedule interview
Opsy AI
Series B
Supply chain optimization
Role
Lead AI/ML Engineer
Offer
$315,000
Opsy AI uses AI to optimize global supply chains in real-time. Our predictive models help Fortune 500 companies reduce logistics costs by 30% while improving delivery times across international markets.
Schedule interview
Opsy AI
Series B
Supply chain optimization
Role
Lead AI/ML Engineer
Offer
$315,000
Opsy AI uses AI to optimize global supply chains in real-time. Our predictive models help Fortune 500 companies reduce logistics costs by 30% while improving delivery times across international markets.
Schedule interview
Opsy AI
Series B
Supply chain optimization
Role
Lead AI/ML Engineer
Offer
$315,000
Opsy AI uses AI to optimize global supply chains in real-time. Our predictive models help Fortune 500 companies reduce logistics costs by 30% while improving delivery times across international markets.
Schedule interview
CyResearch
Late-stage
Cybersecurity
Role
Principal Product Engineer
Offer
$380,000
CyResearch builds advanced cybersecurity systems that detect and prevent sophisticated cyber attacks before they happen. Our behavioral analysis systems protect enterprise networks by learning normal patterns and identifying anomalous activity in real-time.
Schedule interview
CyResearch
Late-stage
Cybersecurity
Role
Principal Product Engineer
Offer
$380,000
CyResearch builds advanced cybersecurity systems that detect and prevent sophisticated cyber attacks before they happen. Our behavioral analysis systems protect enterprise networks by learning normal patterns and identifying anomalous activity in real-time.
Schedule interview
CyResearch
Late-stage
Cybersecurity
Role
Principal Product Engineer
Offer
$380,000
CyResearch builds advanced cybersecurity systems that detect and prevent sophisticated cyber attacks before they happen. Our behavioral analysis systems protect enterprise networks by learning normal patterns and identifying anomalous activity in real-time.
Schedule interview
Multiple offers, one application
Apply once, receive salary-confirmed offers from in-demand companies on Match Day. You choose who you want to interview with.
Your own Concierge Recruiter
No nonsense
Private and secure
Multiple offers, one application
Apply once, receive salary-confirmed offers from in-demand companies on Match Day. You choose who you want to interview with.
Your own Concierge Recruiter
No nonsense
Private and secure
Multiple offers, one application
Apply once, receive salary-confirmed offers from in-demand companies on Match Day. You choose who you want to interview with.
Your own Concierge Recruiter
No nonsense
Private and secure
For Companies
The fastest way to hire elite engineers.
Connect with pre-vetted, high-intent candidates who are precisely matched to your company and role.
For Companies
The fastest way to hire elite engineers.
Connect with pre-vetted, high-intent candidates who are precisely matched to your company and role.
For Companies
The fastest way to hire elite engineers.
Connect with pre-vetted, high-intent candidates who are precisely matched to your company and role.
Access top talent
Pre-vetted engineers with real-world experience applicable to building technical systems, ready to interview now.
Hire faster
Structured, High-Signal Hiring
White glove service
Access top talent
Pre-vetted engineers with real-world experience applicable to building technical systems, ready to interview now.
Hire faster
Structured, High-Signal Hiring
White glove service
Access top talent
Pre-vetted engineers with real-world experience applicable to building technical systems, ready to interview now.
Hire faster
Structured, High-Signal Hiring
White glove service
Staff Backend Engineer
Experience
Hooli
Sirius Cybernetics Corp
CHOAM
Skills
Python
CUDA
Go
PyTorch
DeepSpeed
Kubernetes
Ray
Desired salary
$295,000 + equity
Achievement
Reduced P95 latency from 800ms to 120ms for 100M+ daily requests
Goal
Looking to join a well funded Seed company and help lead product development.
Staff Backend Engineer
Experience
Hooli
Sirius Cybernetics Corp
CHOAM
Skills
Python
CUDA
Go
PyTorch
DeepSpeed
Kubernetes
Ray
Desired salary
$295,000 + equity
Achievement
Reduced P95 latency from 800ms to 120ms for 100M+ daily requests
Goal
Looking to join a well funded Seed company and help lead product development.
How the Fonzi talent marketplace works
Connecting verified top talent to only the best companies.
A smarter hiring experience for elite engineers and the world’s most ambitious companies.
How the Fonzi talent marketplace works
Connecting verified top talent to only the best companies.
A smarter hiring experience for elite engineers and the world’s most ambitious companies.
How the Fonzi talent marketplace works
Connecting verified top talent to only the best companies.
A smarter hiring experience for elite engineers and the world’s most ambitious companies.
Step 1
Candidates and teams apply to Fonzi. We accept only the most qualified engineers and the most compelling companies, ensuring quality on both sides of the marketplace.
Step 2
Every month, Fonzi runs a Match Day, a 48-hour hiring window where data-driven ideal matches are made and companies can submit salary-backed offers to their favorite candidates.
Candidates review offers and select which companies they want to interview with. No spam, no bait and switch, just real interest and transparency from both sides.
Step 4
Fonzi handles everything from scheduling interviews to collecting feedback to closing the deal. You focus on what matters: making the right hire or landing the right role.
Step 1
Candidates and teams apply to Fonzi. We accept only the most qualified engineers and the most compelling companies, ensuring quality on both sides of the marketplace.
Step 2
Every month, Fonzi runs a Match Day, a 48-hour hiring window where data-driven ideal matches are made and companies can submit salary-backed offers to their favorite candidates.
Candidates review offers and select which companies they want to interview with. No spam, no bait and switch, just real interest and transparency from both sides.
Step 4
Fonzi handles everything from scheduling interviews to collecting feedback to closing the deal. You focus on what matters: making the right hire or landing the right role.
Aligned incentives. Zero wasted effort.
Aligned incentives. Zero wasted effort.
Aligned incentives. Zero wasted effort.
Frequently asked questions
FAQ
Candidates
Candidates
What is Fonzi?
What is Fonzi?
What is Fonzi?
What is Fonzi Match Day?
What is Fonzi Match Day?
What is Fonzi Match Day?
Can I work in AI even if that’s not my current title?
Can I work in AI even if that’s not my current title?
Can I work in AI even if that’s not my current title?
What types of companies are hiring through Fonzi?
What types of companies are hiring through Fonzi?
What types of companies are hiring through Fonzi?
How much does it cost to participate?
How much does it cost to participate?
How much does it cost to participate?
What happens if I don’t get any offers on Match Day?
What happens if I don’t get any offers on Match Day?
What happens if I don’t get any offers on Match Day?
Companies
Companies
What makes Fonzi different from traditional recruiting?
What makes Fonzi different from traditional recruiting?
What makes Fonzi different from traditional recruiting?
Who uses Fonzi?
Who uses Fonzi?
Who uses Fonzi?
What’s required to join Match Day?
What’s required to join Match Day?
What’s required to join Match Day?
How are candidates vetted?
How are candidates vetted?
How are candidates vetted?
How much does it cost?
How much does it cost?
How much does it cost?
What if I don’t make a hire?
What if I don’t make a hire?
What if I don’t make a hire?
© 2025 Kumospace, Inc. d/b/a Fonzi
© 2025 Kumospace, Inc. d/b/a Fonzi
© 2025 Kumospace, Inc. d/b/a Fonzi