Source Job

• Design, develop and maintain backend services and applications using Go.
• Build and improve Kubernetes-based solutions, including controllers, operators and APIs.
• Take ownership of technical components and contribute to architectural decisions.

We help IT teams automate Kubernetes and cloud native operations across multi-cloud, edge, and on-prem. As a top contributor to Kubernetes, we are a technology start-up that values personal growth and ideas over structure.

• Design, develop, test and deploy back-end services in Go for a private cloud platform on Kubernetes.
• Write and maintain Kubernetes operators and controllers in Go, and migrate existing workloads onto the new platform.
• Build and maintain CI/CD pipelines in GitLab, review code, and share knowledge within the team.

Software Mind develops software solutions that make an impact for companies around the globe, working with tech giants and unicorns on transformative projects. The company builds cross-functional engineering teams and fosters an open, respectful culture that combines employment with enjoyment.

• 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.

• Deliver cloud-native and Kubernetes security consulting to clients in highly regulated industries.
• Work on internal labs and contribute to open-source projects like Flux CD, OpenBao, and FINOS AI Readiness.
• Support pre-sales and business development activities as part of the engineering team.

ControlPlane is a London-headquartered consultancy specialising in cloud-native, Kubernetes, and open-source security solutions. It is a dynamic, cutting-edge, and passionate business with employees at the heart of its culture.

• Design and build Kubernetes tooling and APIs for orchestrating virtual machine workloads.
• Develop tooling to inspect, convert, and package VM images for secure, air-gapped environments.
• Collaborate with Product, UX, and Mission Heroes to turn operational needs into reliable product capabilities.

Defense Unicorns delivers secure software delivery solutions for mission-focused customers, streamlining deployment so they can focus on critical challenges. The team is composed of innovators, software engineers, and veterans with decades of experience across the federal market.

• 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.

• Design and build platform subsystems for Stacklok Enterprise, from design through production.
• Write production Go code for Kubernetes-native commercial software.
• Work directly with enterprise customers to onboard them and turn feedback into product features.

Stacklok builds open, Kubernetes-native infrastructure for enterprise AI agents, enabling secure and scalable execution. It is a startup led by Kubernetes co-creators, with a culture that values openness, AI integration, and customer collaboration.

• 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.

• Design, build, and optimize scalable CI/CD pipelines using GitLab CI/CD across hybrid and on-premise environments.
• Develop and refactor internal platform tools and services in Go, including a next-generation deployment system.
• Manage infrastructure as code with Terraform and Ansible, and strengthen observability with Grafana and OpenSearch.

The company is a technology organization focused on building and evolving internal developer platforms and CI/CD ecosystems across multiple products and infrastructure environments. With a collaborative, low-ego culture, the team values ownership, independent problem-solving, and pragmatic communication.

• Embed with customer engineering teams to design, build, and ship production solutions using Docker products and custom integrations.
• Own the technical journey from discovery and architecture through prototyping, implementation, and production rollout.
• Partner with Solutions Architects, Product, and Engineering to turn field learnings into reusable patterns and influence the roadmap.

Docker makes developer tools for building, sharing, and running applications, including Docker Desktop, Docker Hub, and Docker Scout. The company is a globally distributed, remote-first team trusted by over 20 million monthly users and 20 billion container pulls.

• 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.

• Architect and deliver major features for Chainguard Containers from concept to production.
• Stay hands-on writing code and lead small sub-teams of engineers.
• Work across teams and with AI agents to build secure container infrastructure.

Chainguard is the trusted source for open source, delivering hardened, secure, and production-ready builds of open source software. It is a venture-backed company with Fortune 500 customers and a remote-first culture.

• Conduct hands-on penetration testing and security assessments for Kubernetes and cloud-native products.
• Own vulnerability management from discovery through patch development, release, and verification.
• Guide secure engineering practices and threat modeling across the product lifecycle.

They build next-generation Kubernetes and AI infrastructure for organizations operating at scale. The company is fast-growing, open-source-oriented, and values ownership, technical excellence, and measurable impact.

• Design, build, and ship new features and services for Chainguard Containers, from design through production.
• Own trade-offs on scope, sequencing, and when to ship, working directly with product managers and customers.
• Collaborate with AI coding agents, maintain system health, and communicate clearly in a remote team.

Chainguard delivers hardened, secure, and production-ready builds of open source software, helping organizations build faster, stay compliant, and eliminate risk. The company serves Fortune 500 enterprises, is venture-backed by leading investors, and fosters a remote-first, flexible culture.

• Build the APIs, controllers, operators and automation that extend Kubernetes
• Improve platform reliability, observability and performance
• Diagnose production issues across the application, Kubernetes, network and compute layers

They are a late-stage AI cloud company backed by NVIDIA that runs AI compute from global data centers and is building a managed Kubernetes platform. The company is valued in the billions, and the culture emphasizes early ownership and end-to-end impact.

• Operate production Kubernetes environments on GKE, including troubleshooting, maintenance, and reliability improvements.
• Build and maintain infrastructure as code using Pulumi, and manage GitOps workflows with ArgoCD and CI/CD pipelines.
• Respond to production incidents, maintain Grafana observability, and execute SOC2-driven infrastructure and security work.

Polygon Labs is a global blockchain payments company building infrastructure to move money instantly and reliably at internet scale. It has facilitated trillions in onchain value transfer and supports millions of daily transactions, with a remote-first culture.

• Automate infrastructure provisioning with Terraform, Helm, and GitOps practices using Argo CD.
• Operate production Kubernetes environments across private and public clouds.
• Improve CI/CD pipelines, observability, and reliability while collaborating with engineering teams.

The company powers communication and collaboration services used by millions worldwide. It operates in a remote-first, multicultural setting with a focus on open-source technologies and fully automated infrastructure.

• 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.

• Build and deliver features for Mecatl, an open source cloud-native agent harness, including the agent loop, Kubernetes runtime, and client SDKs.
• Use AI agents as a core part of your workflow and improve how the team leverages AI in development.
• Work with Go, distributed systems, and cloud-native infrastructure to harden the harness for production.

Stacklok, founded by Kubernetes creators Craig McLuckie and Joe Beda, builds open, Kubernetes-native infrastructure for enterprise AI agents. The company is a small, AI-first startup that develops in the open with a focus on security, trust, and community collaboration.

• Support infrastructure that development teams use to own and operate services at Mozilla.
• Guide technical decision-making and create agentic workflows to improve developer productivity.
• Build features for the Internal Developer Platform including CI/CD, Observability, Kubernetes, and cost optimization.

Mozilla Corporation is a non-profit-backed technology company that creates Firefox and works to reclaim an internet built for people. With over 225 million monthly users and thousands of volunteer contributors, it fosters a mission-driven, inclusive culture.