Source Job

UK Unlimited PTO 18w maternity 12w paternity

  • Own the technical strategy for multi-ecosystem scaling, defining architecture for onboarding new language ecosystems.
  • Drive end-to-end remediation automation, leading redesign of CVE workflows to close the loop from detection to verified release.
  • Set platform-wide technical direction spanning package index, build pipelines, and orchestration tooling to serve customers and ecosystem teams.

Go CI/CD Kubernetes Terraform Docker

20 jobs similar to Principal Software Engineer (Libraries Platform)

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US Unlimited PTO 18w maternity 12w paternity

  • Collaborate on the Developer Platform to improve CI/CD speed, reliability, and developer experience.
  • Help productionize an Agentic AI platform with focus on observability and context-engineering.
  • Partner with engineering teams to consolidate build systems and automate repetitive manual work.

Chainguard delivers hardened, secure, and production-ready builds of open source software, helping organizations build faster and eliminate risk. The company is venture-backed by leading investors including Sequoia Capital, and serves Fortune 500 enterprises.

US Unlimited PTO 18w maternity 12w paternity

  • Build, operate, and improve Elastic Build, a Kubernetes-based pipeline for producing production-ready artifacts.
  • Design and implement automation for package rebuild and review workflows while maintaining human oversight.
  • Develop monitoring, dashboards, alerting, and automated remediation to reduce operational toil and detect issues early.

Chainguard provides hardened, secure, and production-ready builds of open source software. The company is venture-backed by leading investors and serves Fortune 500 enterprises and global industry leaders, fostering a remote-first culture with values of customer obsession, intentional action, and trust.

UK

  • Design and deliver solutions for cloud hosted production infrastructure.
  • Shape how mission-critical enterprise software solutions are developed and deployed using optimized CI/CD pipelines.
  • Design, build and support infrastructure and security technologies within the cloud.

Ping Identity provides an intelligent cloud identity platform that enables secure and seamless digital experiences. They serve over half of the Fortune 100 companies and have a global team that values diversity and individuality.

$198,000–$319,000/yr
Global 16w maternity 16w paternity

  • Define the long-term technical vision and architecture for Docker's developer tooling platform spanning platform engineering, CI/CD, and AI-powered tools.
  • Architect and build Docker's internal developer platform, CI/CD infrastructure, and establish standards for reliability, security, and performance.
  • Lead cross-functional technical discussions, mentor engineers, and drive adoption of developer tooling and engineering standards.

Docker provides developer tools for building, sharing, and running applications, trusted by over 20 million monthly users. They are a globally distributed, remote-first team building tools that define how software gets built and delivered.

Canada Unlimited PTO 18w maternity 12w paternity

  • Build and harden secure CI/CD pipelines with security gates to catch issues before production.
  • Lead security architecture reviews and threat models for Kubernetes-based workloads on GCP and AWS.
  • Harden container images, Kubernetes configurations, and cloud IAM to minimize attack surface.

Chainguard is the trusted source for open source, delivering hardened, secure, and production-ready builds of open source software. The company is venture-backed by leading investors and serves Fortune 500 enterprises, with a culture that values customer obsession, intentional action, and trust.

Global

  • Design and build infrastructure primitives that define how CI/CD, build systems, and developer environments scale across the engineering org.
  • Build and operate the Kubernetes-based control plane behind CI/CD, including GitHub Actions runners, GitOps workflows, and ephemeral environments.
  • Develop core infrastructure components like Kubernetes Operators and scaling automation that product teams use directly, reducing bespoke per-team tooling.

Chainlink is the industry-standard oracle platform that brings capital markets onchain and powers the majority of decentralized finance. The company has enabled tens of trillions in transaction value and is adopted by major financial institutions and top protocols.

Ireland 6w PTO

  • Lead automation of release processes including CI/CD, bootstrapping, and configuration management for internal engineering teams.
  • Work with diverse internal teams to implement requirements and maintain the Internal Engineering Platform.
  • Participate in an on-call rotation to support platform tooling and ensure system health.

Grafana Labs is the company behind the open source observability platform Grafana, providing a fully managed observability cloud called Grafana Cloud. With over 1,600 team members across 40+ countries, the company fosters a global collaborative culture rooted in open-source values and transparency.

US Unlimited PTO

  • Collaborate with internal engineers and the open source community on feature and bug fix requests.
  • Proactively identify and resolve ambiguity in product requirements.
  • Own architecture decisions and ensure technical quality across the team.

Defense Unicorns delivers mission value by streamlining software delivery so customers can focus on the most important challenges. Our team is composed of innovators, software engineers, and veterans with decades of experience delivering technology programs across the federal market.

Global 6w PTO

  • Design and develop internal services and tools in Go for deployment automation and an internal developer platform.
  • Build and maintain scalable CI/CD pipelines using GitLab CI/CD and manage Kubernetes-based environments.
  • Implement infrastructure as code with Terraform and Ansible, and improve observability with Grafana and OpenSearch.

Social Discovery Group (SDG) is a group of social discovery companies that solves loneliness and isolation by transforming virtual intimacy. Our international team of digital nomads works remotely worldwide, and we are a two-time "Great Place to Work" winner (USA & Japan, 2024–2025) and a Top-5 Company for Work-From-Anywhere Jobs (FlexJobs, 2025).

$175,000–$229,000/yr
US

  • Lead end-to-end architecture and implementation of high-performance detection tools.
  • Mentor junior engineers through design reviews and promote maintainable code standards.
  • Collaborate with product managers and scrum masters to deliver high-quality releases on schedule.

Corelight defends the world's most sensitive networks by transforming digital footprints into actionable insights, using open-source innovations and agentic AI. It is a fast-growing network detection and response platform with a collaborative, inclusive, distributed culture.

Canada

  • Design and operate Kubernetes-based build platforms to transform package specifications into production-ready artifacts.
  • Improve system reliability, scalability, performance, and multi-architecture support across production environments.
  • Develop automation for package rebuilds, validation workflows, and dependency analysis to reduce manual effort.

The company builds secure software delivery infrastructure powering production-ready software at scale. It maintains a remote-first, inclusive culture focused on innovation and ownership.

UK Unlimited PTO 18w maternity 12w paternity

  • Own the technical direction for key parts of Chainguard Repository, including customer-facing registries, APIs, and serving systems.
  • Design, build, and operate high-availability backend services in Go that serve libraries and lay the foundation for containers and APK repositories.
  • Lead work on scalability, reliability, observability, and load testing for production systems.

Chainguard delivers hardened, secure, and production-ready builds of open source software. They are venture-backed by leading investors and serve Fortune 500 enterprises, with a remote-first culture focused on customer obsession and intentional action.

US

  • Lead deployment and operation of product infrastructure in federal environments within AWS.
  • Build and maintain scalable, secure cloud-native platforms using Kubernetes, Terraform, and GitLab CI.
  • Improve development and deployment processes, create tooling for telemetry, and foster documentation culture.

Horizon3.ai is a fast-growing, remote cybersecurity company that helps organizations proactively find and fix exploitable attack vectors. We are a team of former special ops cyber operators and engineers committed to a culture of respect, collaboration, ownership, and results.

$104,775–$145,796/yr
UK

  • Lead projects with complete autonomy, planning ahead and thinking globally for the company's benefit.
  • Contribute to operation and deployment of all Dashboard Platform features using Kubernetes, Terraform, and AWS.
  • Share knowledge on software engineering, testing, and deployment best practices to enhance developer experience.

Algolia is a pioneer and market leader in AI Search, empowering 17,000+ businesses to deliver fast, predictive search and browse experiences. We have raised $150 million in Series D funding, value at $2.25 billion, and foster a high-trust, flexible workplace culture.

Canada 18w maternity 18w paternity

  • Design and build scalable backend systems using Go and cloud technologies to process complex security data.
  • Develop and improve data processing pipelines that transform vulnerability information into structured outputs.
  • Establish engineering best practices, mentor engineers, and influence architecture decisions.

The company is a technology firm focused on improving the security and reliability of the open-source software ecosystem. It is a remote-first organization with a collaborative culture that values ownership and continuous growth.

$180,500–$291,500/yr
Global 16w maternity 16w paternity

  • Own the architecture for Docker Hardened Images (DHI) as a platform, making high-leverage decisions across the catalogue.
  • Define and drive multi-quarter technical roadmaps for container hardening, balancing velocity, security, and scalability.
  • Represent Docker in escalations, enterprise engagements, and upstream OSS communities to shape container security.

Docker is a globally distributed, remote-first company that provides tools for developers to build, share, and run applications, trusted by over 20 million monthly users. They focus on container security and supply chain, offering products like Docker Desktop and Docker Scout.

UK Unlimited PTO 18w maternity 12w paternity

  • Provide vision, mentorship, and strategic leadership for a diverse engineering team building secure open source libraries at scale.
  • Guide technical direction and product strategy spanning language ecosystems, dependency management, security hardening, tooling, automation, and services.
  • Set policies, quality standards, and continuous improvement while balancing security, performance, stability, and customer value.

Chainguard provides hardened, secure, and production-ready builds of open source software. It is venture-backed by leading investors and serves Fortune 500 enterprises and global industry leaders.

$136,750–$222,750/yr
Global 16w maternity 16w paternity

  • Build and operate internal platform services and APIs in Go.
  • Codify infrastructure with Terraform and GitOps practices.
  • Operate and scale multi-tenant EKS clusters and traffic systems.

Docker builds tools for developers to build, share, and run applications, trusted by over 20 million monthly users. They are a globally distributed, remote-first team with offices in Seattle and Paris, focused on innovation and inclusion.

$90,000–$100,000/yr
Global

  • Build and maintain production-grade automation using Ansible, Terraform, and Go.
  • Engage deeply with Kubernetes internals, including scheduler, kubelet, controllers, and CRDs.
  • Harden platform infrastructure through security best practices like vulnerability scanning, container image signing, and admission controllers.

Vultr makes high-performance cloud infrastructure easy to use, affordable, and locally accessible for enterprises and AI innovators. It is the world's largest privately-held cloud infrastructure company, trusted by hundreds of thousands of customers across 185 countries.

Canada

  • Design and operate backend systems for secure software artifact delivery at scale.
  • Lead architecture and implementation of core repository systems including package registries and APIs.
  • Collaborate with engineers to shape engineering practices, reliability standards, and product direction.

They build secure, scalable infrastructure for trusted open source software delivery. They foster a collaborative culture focused on ownership, trust, innovation, and continuous learning, with a remote-first work environment.