Senior Platform Engineer ( Backstage / Internal Developer Platform)

Take full technical ownership of a live Backstage-based Internal Developer Platform including stability, architecture, performance, and upgrades.

Resolve escalated support issues and convert recurring incidents into permanent fixes across plugins, authentication, catalog ingestion, and developer workflows.

Design and build custom Backstage plugins and integrations, maintain software catalog and templates, manage deployment and operations, and mentor junior engineers to ensure team self-sufficiency.

5+ years of hands-on professional experience with Backstage in production including building, customizing, deploying, and supporting the platform.

Strong proficiency in TypeScript, React (frontend) and Node.js/Express (backend) for plugin development.

Solid DevOps experience with Docker, Kubernetes, Helm, CI/CD, Infrastructure as Code (Terraform or equivalent), and experience with at least one major cloud provider (AWS/Azure/GCP).

Experience with authentication and authorization frameworks including OIDC/OAuth2, SSO providers, and RBAC; proficient in English (C1 Advanced).

Proven ability to operate and extend Backstage in production with ownership over platform architecture and support under SLA constraints.

Experience mentoring and upskilling engineers, focusing on knowledge transfer and team enablement.

Comfortable engaging with customer stakeholders to translate developer-experience goals into platform enhancements and roadmaps.