Design, build, and maintain production features with a strong product security focus.
Own vulnerability response from initial triage through coordinated disclosure and patched releases.
Conduct threat modeling and security-sensitive design reviews to help engineers make informed security decisions.
This company builds cloud-native infrastructure software with a strong focus on Kubernetes security. They operate as a remote-first, globally distributed team that values engineering ownership and autonomous work.
Design and build core systems for Docker's enterprise agentic platform using Go and Kubernetes.
Own production reliability from on-call to SLOs and incident response.
Set technical direction and mentor engineers while driving security, identity, and network boundaries.
Docker builds developer tools trusted by over 20 million monthly users and billions of container pulls. It is a globally distributed, remote-first team with a culture of trust, flexibility, and engineering excellence.
Own features end-to-end from design through implementation, rollout, and iteration.
Design, build, and evolve backend systems (Go, REST/gRPC APIs) for entitlement, policy, and customer onboarding services.
Provide technical leadership and mentorship to senior and mid-level engineers.
Chainguard delivers hardened, secure, and production-ready builds of open source software to help organizations build faster, stay compliant, and eliminate risk. It is venture-backed by leading investors and serves Fortune 500 enterprises and global industry leaders.
Architect core vCluster Platform features, diving deep into Kubernetes internals.
Write high-performance, resilient Go code for the platform and open-source projects.
Own features end-to-end from design to release, solving hard systems challenges.
We're the #1 platform for AI infrastructure, trusted by the world's fastest-growing AI cloud builders. We're a venture-backed startup of 40+ engineers, remote-first, powering 100K+ GPUs across 50+ AI clouds and Fortune 500 companies.
Own best practices for managing production infrastructure, including provisioning, scaling, configuration, capacity planning, and monitoring.
Build and maintain Kubernetes infrastructure at scale alongside Terraform-provisioned cloud resources.
Write custom automation and tooling in Go to reduce manual work and eliminate operational risk.
Turnkey is building the infrastructure for the autonomous economy, providing programmable guardrails that enable organizations to operate with autonomy and control. Founded by the team behind Coinbase Custody, it is a deeply technical, low-ego, high-agency team of experts in cryptography, security, and systems.
Own product features end to end, from design and implementation through rollout and iteration.
Extend agentic AI capabilities into customer-facing product experiences.
Contribute to architectural decisions while collaborating with Product and front-end teams.
This company builds next-generation products at the intersection of software supply chain security, AI, and developer tooling. It has a small, fast-moving engineering team in a remote-first environment focused on practical tools for developers.
Design, build, and ship secure container technologies from design through production.
Develop image pipelines, registry infrastructure, and developer tooling for security and performance.
Collaborate with product, customers, and engineers while integrating AI-assisted development.
Chainguard develops secure container technologies and open-source tools to help organizations build and deploy software safely. It is a remote-first, fast-growing company with a small autonomous engineering team that values ownership, transparency, and continuous improvement.
Design and implement backend services for licensing, entitlements, feature access, and usage limits across NodeZero's product and APIs.
Build and evolve provisioning, admin experience, MSP/MSSP capabilities, and audit logging for a multi-tenant SaaS platform.
Operate production services with monitoring, incident response, and a high bar for design quality and test coverage.
Horizon3 is a fast-growing, remote cybersecurity company that helps organizations proactively find, fix, and verify exploitable attack vectors through its NodeZero autonomous pentesting platform. The team is a fusion of former special operations cyber operators and startup engineers, fostering a culture of respect, collaboration, ownership, and results.
Design, build, and operate production Kubernetes clusters across bare-metal and public clouds.
Develop and maintain deployment tooling: Helm charts, Ansible automation, CI/CD pipelines, and a virtual appliance.
Harden the platform for regulated environments and keep SaaS instances reliable via observability and incident management.
Filigran is a global cybersecurity company offering an open-source, AI-powered platform for continuous threat exposure management. It is a fast-growing, remote-first company with a collaborative culture grounded in CORE values.
Own and harden the traditional infrastructure layer, including servers, virtualization, firewalls, and operating systems for a carrier-grade network.
Design and maintain production Linux systems, virtualized infrastructure (VMware, KVM, Hyper-V), and security perimeters at real scale.
Operate across cloud-native and traditional stacks, with working knowledge of at least one hyperscaler and Kubernetes exposure.
Share is a venture-backed company building the marketplace for bandwidth, connecting internet capacity suppliers to businesses globally. The company is a mission-driven, investor-backed team with a high-ownership environment and a steep learning curve.
Design, build, and operate scalable, secure microservices powering Cyderes' security platform with minimal oversight.
Deploy to AWS, GCP, or Azure with Terraform and run containerized workloads on Docker and Kubernetes.
Improve automated testing and CI/CD, review code, and mentor teammates while keeping security in mind.
Cyderes builds practical Identity & Access Management (IAM), Exposure Management, and risk programs, providing Managed Detection & Response (MDR) powered by its Meridian entity fabric. It is a Great Place to Work-Certified global team that helps organizations stop active threats fast with people, platforms, and perspectives.
Build and improve the internal platform engineers use to develop, test, deploy, and operate ngrok.
Treat infrastructure like software by automating operational workflows, improving reliability, and scaling systems.
Contribute to builder tools, deployment systems, CI/CD infrastructure, and internal abstractions.
We are an all-in-one cloud networking platform that secures, transforms, and routes traffic to services running anywhere. Trusted by more than 9 million developers at companies like GitHub, Okta, HashiCorp, and Twilio, we have a serious-software, playful-culture team.
Define and evolve workload safety standards for Affirm's EKS fleet, owning each standard end to end.
Lead cross-team initiatives from design through fleet-wide rollout, and mentor other engineers.
Participate in on-call for Kubernetes runtime issues and turn recurring failures into roadmap items.
Affirm offers consumers a clear, predictable way to pay over time, with no hidden fees. The engineering team is building large-scale, highly available global infrastructure, with a culture of technical design review and operational excellence.
Design, build, and operate production Kubernetes platforms, owning cluster architecture, networking, reliability, and security.
Troubleshoot complex infrastructure issues across Kubernetes, Linux, networking, and cloud environments, and improve observability and automation.
Take ownership of critical infrastructure initiatives, incident response, and mentorship while working autonomously in a remote-first environment.
Our partner is a technology company building and operating large-scale Kubernetes platforms and complex production infrastructure. It is a remote-first organization with a focus on autonomy, technical ownership, and collaboration across North America and Latin America.
Build and maintain first-party integration connectors between NodeZero and customer security platforms like CrowdStrike, SentinelOne, and Splunk.
Design integration schemas and data mappings, and write documentation that enables customers to configure integrations without support calls.
Diagnose and resolve integration failures, working with the Integrations Platform team to ensure connectors are built on shared infrastructure.
Horizon3 is a cybersecurity company that provides autonomous pentesting through its NodeZero platform to help organizations proactively find and fix attack vectors. The company is a remote team of former U.S. Special Operations cyber operators and engineers, fostering a culture of respect, collaboration, and ownership.
Own the network pillar of Sezzle's zero-trust program, including east-west segmentation and identity-aware transport across Kubernetes and AWS.
Implement network policies as code, mTLS, and telemetry to ensure every connection is explicit and attributable.
Collaborate with security, platform, and IAM teams to deliver private access and maintain security controls.
Sezzle is a fintech company on a mission to financially empower the next generation through interest-free installment plans and innovative payment solutions. The company fosters a dynamic, innovative culture with a diverse team of engineers, data enthusiasts, and creative thinkers.
Get hands-on with our Go codebase, AWS and Kubernetes environment, SIEM, and security services, contributing security feedback to design docs and shipping your first fix or detection.
Own a security domain end to end, such as cloud hardening or detection engineering, and ship reusable Go security middleware adopted by service teams.
Drive multi-quarter initiatives like default-deny networking, expand Kubernetes security, and automate compliance evidence for audits.
Bastion provides regulated infrastructure for businesses to hold, move, and issue stablecoins, combining custodial wallets, payment orchestration, and issuance. As a 40-person startup, we operate through our own regulated entities with built-in compliance and risk controls.
Design, develop, and maintain back-end components for internal and open-source cybersecurity projects.
Build REST and GraphQL APIs, command-line tools, and containerized services using Python, Go, and Docker.
Contribute to infrastructure automation and collaborate with teammates to solve complex technical problems.
SpecterOps develops internal and open-source cybersecurity projects such as Mythic and Ghostwriter for the security community. We are a small, transparent team that values autonomy, collaboration, and continuous improvement.
Build and improve customer-facing registries, APIs, and artifact-serving systems that make open source software easy to consume securely and reliably.
Develop and operate backend services in Go, focusing on scalability, reliability, observability, and performance.
Collaborate with engineers and product partners on design, code review, and solving production issues.
Chainguard is the trusted source for open source, delivering hardened, secure, and production-ready builds of the software engineers and AI agents rely on. It is a venture-backed company serving Fortune 500 enterprises with a remote-first culture and a focus on customer obsession and intentional action.
Design, build, and operate security engineering services in Go and Python on AWS and Kubernetes.
Own the event-driven NATS platform connecting security services, ensuring delivery guarantees and observability.
Build agentic security workflows and CI security gates (SAST, SCA, secret detection) that are trusted by default.
Sezzle is a fintech company that offers interest-free installment plans and aims to financially empower the next generation. It is building an innovative, dynamic team of engineers and data enthusiasts with a culture that values unique, purpose-driven individuals.