Hypercubic LinkedIn · May 2026
Hypercubic announced HyperLoop, a verification-driven system for safely modernizing mainframe applications by extracting business rules, testing against a simulated twin, and validating against live mainframe behavior.
Company research
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Overview
San Francisco-based YC F25 startup building an agentic AI platform for mainframe operations and modernization, focused on COBOL/z/OS knowledge capture, safe modernization, and operator tooling.
Primary product
Hopper, an agentic development environment for mainframes
Founded
2025
Headquarters
8 10th Street, San Francisco, CA 94103, United States
Team size
1-10
Work style
Remote
Industry
Technology, Information and Internet
Sub-industry
AI / mainframe modernization / enterprise software
Offices
8 10th Street, San Francisco, CA 94103, United States
Business model
B2B SaaS
enterprise software
custom enterprise contracts
freemium (Hobby tier)
Funding
Stage
pre-seed
Total raised
$500K
Latest round
Pre-Seed · Dec 2025
Latest amount
$500K
Dec 2025 · Y Combinator
Nov 2025 · Y Combinator; Pioneer Fund
Aug 2025 · Y Combinator
People & investors
Work & culture
Ambitious, technical, and verification-driven; company values are Default to action, Everything is soluble, and Excellence is expected but never taken for granted.
Work style
Remote
Visa sponsorship
Limited
Compensation
Public job posting for Founding Software Engineer lists $125K-$300K salary plus 0.50%-2.00% equity; the role is in-person in San Francisco.
Benefits
health insurance
dental insurance
vision insurance
PTO
relocation support
Product & market
Pricing
Free Hobby tier; enterprise custom pricing / contract sales
Differentiators
- —Verification-driven transformation rather than probabilistic code generation
- —Domain-specific mainframe AI built for COBOL/z/OS workflows
- —Digital twins / SME knowledge capture for operational continuity
- —Sovereign deployment in customer VPC or on-prem with zero data egress
- —Agentic TN3270 terminal for live mainframe operations
- —Line-level proofs, provenance, and layered verification
Technology
COBOL
JCL
z/OS
TN3270
VSAM
CICS
IMS
Assembler
PL/I
Dafny
AWS
Azure
GCP
Oracle
IBM cloud
semantic knowledge graph
formal verification
VPC/on-prem deployment
Customers
Enterprises and governments with mainframe/COBOL workloads
Banking
Insurance
Government
Manufacturing
Defense
Airlines
Telecommunications
Healthcare
Oil and gas
Logistics
Retail
Utilities
Fortune 500 CIO/CTO/VP Engineering teams
Competitors
General-purpose LLMs (GPT, Claude)
Manual migration factories / consulting firms
Legacy transpilers
AWS Mainframe Modernization
Scale & contact
Estimated revenue
US$582K–US$1.3M (public estimate; midpoint about US$745K)
Estimated monthly visits
302
Traffic estimate as of May 2026
Latest news
Hypercubic LinkedIn · May 2026
Hypercubic announced Hopper, a mainframe agentic development environment that combines a TN3270 terminal with an AI agent for z/OS workflows.
TechCrunch · Dec 2025
TechCrunch included Hypercubic among the top enterprise tech startups from its Disrupt Startup Battlefield coverage.
Forbes · Nov 2025
Forbes highlighted Hypercubic as one of the notable startups in YC’s Fall 2025 batch, alongside other B2B infrastructure and AI companies.
Y Combinator
YC’s launch page describes Hypercubic’s mainframe modernization platform and its HyperDocs and HyperTwin components.
Jobs and careers at Hypercubic
3 jobs at Hypercubic
Founding Enteprise Sales
On-site
Sales
San Francisco; San Francisco, California, United States
1w ago
On-site
Full-time
Founder's Associate
On-site
Founder's Office
San Francisco; San Francisco, California, United States
3w ago
On-site
Full-time
Founding Software Engineer - Backend
On-site
Engineering
San Francisco
3mo ago
On-site
Full-time