Platform Engineer, DevEx & GitOps (Kubernetes)

Mark43; United States; Remote; USD 140,000 - 170,000; Full time

Job summary

Mark43 is a distributed, remote-friendly company seeking a Platform Engineer to own internal developer platforms, ensuring reliability and scalability across the organization.

You will operate at the intersection of platform engineering and DevEx, designing and evolving internal platforms as products, reducing friction in the software lifecycle while maintaining security and compliance standards. Proficiency with Terraform, Kubernetes, Helm, ArgoCD, and DataDog is valued.

Qualifications

• 5+ years of experience in Platform Engineering, DevOps, and/or Developer Experience.
• Strong experience with AWS and cloud-native architectures.
• Deep experience with Kubernetes and containerized systems.
• Strong experience with Infrastructure as Code (Terraform) and GitOps (e.g., ArgoCD).
• Experience building and optimizing CI/CD systems and pipeline-as-code workflows.
• Demonstrated ability to improve developer experience and platform usability at scale.
• Strong systems thinking, including tradeoffs between reliability, cost, and developer velocity.
• Understanding of security and compliance best practices in cloud environments.

Responsibilities

• Owning and evolving Mark43’s internal developer platform, focusing on reliability, scalability, and developer productivity.
• Building self-service platform capabilities (Infrastructure-as-Code modules, GitOps workflows, golden paths, and onboarding templates).
• Improving developer experience by reducing friction in local development, CI/CD pipelines, deployments, and debugging workflows.
• Designing and optimizing pipeline-as-code systems to improve build performance, reliability, and feedback cycles.
• Driving adoption of GitOps and Infrastructure as Code best practices across the organization.
• Leading initiatives to improve operational excellence, including system reliability, resilience, and incident response.
• Partnering with Product, Engineering, and Security teams to align platform capabilities with business needs.
• O wning and delivering large, cross-team platform initiatives that shape how engineers build and operate software at MARK43.
• Participating in a shared on-call rotation to support critical infrastructure.

Skills

Platform engineering

DevOps

Developer Experience

AWS

Kubernetes

Containerized systems

Infrastructure as Code

GitOps

CI/CD

Observability fundamentals

Tools

Terraform

Kubernetes

Helm

ArgoCD

DataDog

Job description

Mark43 is a distributed, remote-friendly company seeking a Platform Engineer to own internal developer platforms, ensuring reliability and scalability across the organization.

You will operate at the intersection of platform engineering and DevEx, designing and evolving internal platforms as products, reducing friction in the software lifecycle while maintaining security and compliance standards. Proficiency with Terraform, Kubernetes, Helm, ArgoCD, and DataDog is valued.