Loft Labs, Inc. logo

Sr. Software Engineer (Backend)

Job Overview

Location

United States - Remote

Job Type

Full-time

Category

Product Marketing Manager

Date Posted

May 21, 2026

Full Job Description

📋 Description

  • As a Sr. Software Engineer (Backend) at vCluster Labs, you will define the future of Kubernetes multi-tenancy by serving as a core architect of the vCluster Platform, building tools used by leading engineering teams worldwide.
  • Your day-to-day responsibilities include diving deep into Kubernetes internals, writing high-performance Go code, taking end-to-end ownership of feature development from design to release, contributing to open-source projects, and solving complex systems architecture problems that require deep technical insight beyond standard solutions.
  • You will join a venture-backed, remote-first startup headquartered in San Francisco with a global team, pioneering Kubernetes virtualization for the AI era and backed by top-tier VCs like Khosla Ventures, with a mission to enable AI Cloud providers and AI factories to deliver hyperscaler-like experiences.
  • In this role, you will deepen your expertise in Kubernetes internals and Go development, gain experience in open-source innovation and community engagement, and grow as a high-agency engineer shaping the next generation of tenancy models for GPU-intensive workloads in AI and ML workloads.

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About Loft Labs, Inc.

Loft Labs created vCluster, an open-source tool that spins up lightweight, virtual Kubernetes clusters inside existing namespaces. By running an isolated control plane within a single namespace, teams gain cluster-like isolation without the cost or overhead of full clusters, enabling safe multi-tenancy, faster CI/CD, and easier development workflows. The company provides enterprise support, a management platform, and add-ons to scale virtual clusters across clouds and on-premises infrastructure.

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