YesPress · Apr 2026
Analytical profile describing the platform expansion from firmware tooling into a broader mission-critical systems data platform and reiterating backing by Y Combinator and Human Capital.
The Data Platform for Mission‑Critical Systems
Company research
Public company, workplace, funding, and market signals
Updated Jul 30, 2026
Overview
Zelos Cloud is a YC S23 B2B data platform for mission-critical systems and firmware development/testing, built to collect, visualize, control, and collaborate on data from prototype through production. Public data is sparse and some directory estimates conflict on headcount and funding, so those fields are presented conservatively.
Primary product
Zelos platform (app + agent + SDKs) for mission-critical systems data collection, visualization, remote control, testing, and collaboration
Founded
2023
Headquarters
San Francisco, California, United States
Team size
1-10 employees
Work style
Hybrid
Industry
Technology, Information and Internet
Sub-industry
Mission-critical systems data platform for firmware development and testing
Offices
San Francisco, California, United States
Business model
B2B SaaS
subscription software
enterprise software
Funding
Stage
pre-seed
Total raised
$500K
Latest round
Pre-Seed · Sep 2023
Latest amount
$500K
Sep 2023 · Y Combinator
Jan 2023 · Y Combinator, Human Capital
People & investors
Founders
Co-Founder
Investors
Work & culture
Founder-led, embedded/hardware-heavy, mission-driven culture focused on reducing the pain of firmware development and testing; public career language invites applicants even when no perfect role is listed.
Work style
Hybrid
Compensation
No public salary bands or compensation ranges were found in the official careers or job listings reviewed.
Benefits
Health insurance
Remote work program
Product & market
Pricing
Subscription SaaS; a third-party pricing listing reports plans starting at $49/mo, but the company does not publish official pricing on its site.
Differentiators
- —Mission-critical systems focus from prototype to production
- —Remote command and testing from a single secure interface
- —Multi-protocol capture across industrial and custom protocols
- —Cloud-hosted microcontrollers and real-time emulation
- —Shared workspaces and real-time annotations for collaboration
- —Rust/Go/Python SDKs plus GitHub Actions and VS Code integration
Technology
Rust
Go
Python
gRPC
Protobuf
Nix
direnv
Just
Shell
CAN/CAN-FD
Modbus
Bluetooth
OPC-UA
MQTT
Serial
JavaScript
TypeScript
Competitors
Memfault
Softeq
Integra Sources
SNS Technosys
Prolim
Jaycon
Scale & contact
Estimated revenue
≈$440K ARR (third-party estimates; some sources suggest up to ~$600K)
Estimated monthly visits
2.2K
Traffic estimate as of Jul 2026
Latest news
GetLatka · Sep 2025
Company profile/estimate page reporting ~$440K ARR, 4 employees, and Michael Jaradah as CEO.
aVenture · Mar 2024
Third-party company research page summarizing the product, founding year, and an estimated early funding round.
HireTop · Sep 2023
Early third-party article introducing Zelos Cloud as a cloud platform for firmware development and testing, highlighting emulation, tracing, automated testing, and the founders' Tesla/Neuralink background.
Kando Tech · Aug 2023
Startup profile covering the company’s cloud-based firmware tooling, product positioning, and early investor context.
Jobs and careers at Zelos Cloud
0 jobs at Zelos Cloud
No open positions
Check back later for new openings