Principal Software Engineer, Libraries Platform

Chainguard

Principal engineer defining Chainguard’s secure open-source library platform architecture. Automating CVE remediation, AI-driven patching, and multi-ecosystem builds across .NET, Go, and Rust.

Posted 8/12/2026full-timeRemote • 🇨🇦 CanadaLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in designing and operating infrastructure for language ecosystems, with a strong focus on automation, CI/CD, and cloud-native technologies. Capable of leading technical direction, mentoring engineers, and making strategic decisions across multiple teams and ecosystems.

Highest-signal resume keywords

Infrastructure DesignCI/CD AutomationGo ProgrammingCloud-Native InfrastructureTechnical Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Infrastructure As CodeCVE Remediation AutomationToolchain TroubleshootingPackage IndexingBuild Orchestration

Soft Skills

Excellent Written CommunicationMentoring

Tools & Technologies

DockerKubernetesTerraformGitHub ActionsArgo

Industry Keywords

Language EcosystemsSoftware Supply Chain SecuritySLSASBOMsSecure-By-Default Packaging

Tech Stack

Tools & technologies

CloudDockerGoKubernetesLinux.NETPyTorchRustTensorflowTerraform

About the role

Key responsibilities & impact

Own the technical strategy for scaling across multiple language ecosystems
Define ecosystem-agnostic and extensible architecture for package indexing, build orchestration, and metadata services
Lead end-to-end CVE remediation automation from detection through verified release
Direct agentic/AI-driven security patch generation and establish safety guardrails
Set platform-wide technical direction across package indexes, build and packaging pipelines, registry mirrors, and orchestration tooling
Make build-versus-buy and sequencing decisions for .NET, Go, and Rust support
Partner with Ecosystem, Platform, Delivery, Sustaining, and Security teams on the platform roadmap
Mentor Staff and Senior Engineers and lead architectural design reviews
Write documentation and RFCs for platform users
Define SLOs and lead incident response and postmortems
Troubleshoot toolchain, compiler, and dependency-resolution issues across ecosystems

Requirements

What you’ll need

12+ years designing, building, and operating infrastructure for language ecosystems or developer platforms
Principal-level scope setting technical direction across multiple teams
Experience standing up or significantly extending support for a language ecosystem
Ideally experience with .NET/NuGet, Go/modules, or Rust/Cargo
Strong proficiency in Go
Track record of automating manual remediation workflows
Deep experience with CI/CD, agentic pipelines, cloud-native infrastructure, and infrastructure as code
Experience with Docker/OCI, Kubernetes, Terraform, and GitHub Actions, Argo, Tekton, or equivalents
Experience running infrastructure at scale across heterogeneous ecosystems
Ability to diagnose and resolve toolchain, compiler, and packaging failures across multiple ecosystems
Excellent written communication in a remote, distributed environment
Principal ownership mindset and ability to make ecosystem-generalization decisions with incomplete information
Nice to have: software supply chain security background including SLSA, SBOMs, sigstore, provenance, attestations, and secure-by-default packaging
Nice to have: Linux distributions, packaging, and reproducible build systems including Alpine, Wolfi, Debian, Bazel, CMake, and Ninja
Nice to have: AI/ML packaging and infrastructure including PyTorch and TensorFlow in cloud/Kubernetes environments
Nice to have: experience leading a platform through a major increase in automation maturity

Benefits

Comp & perks

Flexible & Remote-First Culture: Work remotely with team meetup opportunities
Bi-annual destination summits
Monthly stipend for coworking spaces, phone and internet costs
Stock options upon hire and promotion
Participation in secondary offerings
10 years to exercise stock options
100% covered health, vision and dental insurance premiums for you and your dependents
Flexible time off
18 weeks paid parental leave for birthing parents
12 weeks paid parental leave for non-birthing parents
Option to use parental leave all at once or throughout the child's first year