MetalBear, a Tel Aviv, Israel-based creator of an open-source Kubernetes development solution, mirrord, has raised $12.5 million in seed funding.
Investors
The round was led by TLV Partners, with participation from TQ Ventures, MTF, Netz Capital, and angel investors including David Cramer (Sentry) and Ben Sigelman (OpenTelemetry).
TLV Partners is a Tel Aviv-based venture capital firm that specializes in early-stage, Israeli-founded startups. Founded in 2015, the firm has a strong focus on partnering with entrepreneurs to build “category-defining” companies. It primarily invests in companies at the pre-seed, seed, and Series A stages.
MetalBear Use of Funds
The company will use the funding to expand mirrord’s enterprise offering, accelerate product development, and scale adoption among global development teams.
About MetalBear
Founded by Aviram Hassan and Eyal Bukchin, MetalBear is the creator of mirrord, an open-source Kubernetes development tool that allows developers to run local code directly against real cloud environments without deployment. By intercepting input/output operations at a low level and proxying them to remote databases, APIs, and services, mirrord removes the bottlenecks of staging environments and costly per-developer cloud instances. Headquartered in Tel Aviv, MetalBear serves thousands of developers at Fortune 100 enterprises and leading technology companies. mirrord is available as both an open-source project and an enterprise solution that enables large teams to effectively share a single cloud development environment.
Funding Details
Company: MetalBear, Inc.
Raised: $12.5M
Round: Seed
Funding Date: September 2025
Lead Investor: TLV Partners
Additional Investors: TQ Ventures, MTF, Netz Capital; angels David Cramer and Ben Sigelman
Company Website: https://metalbear.com/
Software Category: Developer Tools / DevOps / Kubernetes
Source: Zack Rothbart, Senior Strategist, Concrete.media