Senior Platform Engineer | Internal Dev Platform, Remote

Sigma IT Poland; Wrocław; Remote; PLN 171,000 - 218,000; Full time

Benefits offered by this job

Fully remote work or Wroclaw office

Luxmed

Multisport

Life insurance

Referral program

Training budget

Passion Day

Flexible hours

High-end equipment

Job summary

Holisticon Connect is seeking a Platform Engineer to join an international project for a Swedish multinational in the hygiene and medical products industry. You will help transform an Integration Hub around Azure API Management and Backstage into an internal developer platform for easy API discovery and consumption.

You will own API management, developer portal enhancements, automation, and platform ownership, influencing technical solutions and continuous platform improvements across teams.

Qualifications

• Strong hands-on experience with Azure API Management or an equivalent API management platform.
• Experience developing or extending Backstage or a similar Internal Developer Platform.
• Solid understanding of REST APIs, OpenAPI specifications, and API lifecycle management.
• Strong development skills in TypeScript/JavaScript, including Node.js and React.
• Experience with API security concepts, including OAuth 2.0, OpenID Connect, and JWT.
• Experience with Git-based development, CI/CD pipelines, and automation.
• Familiarity with Infrastructure-as-Code tools such as Terraform or Bicep.
• Ability to troubleshoot across application, integration, infrastructure, and cloud environments.
• Strong communication skills and the ability to collaborate with technical stakeholders.
• Good command of English.

Responsibilities

• Configure, maintain, and enhance Azure API Management, including API onboarding, backend integrations, routing, and gateway policies.
• Implement and maintain API authentication, authorization, and traffic management controls.
• Establish monitoring, observability, and troubleshooting practices for API traffic and platform health.
• Develop and customize Backstage as the main entry point for the Integration Hub, improving usability, navigation, and branding.
• Manage API documentation, ownership information, catalog metadata, and integrations across systems.
• Develop or extend Backstage plugins and integrations to support platform requirements.
• Implement automated validation and linting of API specifications and enforce API quality and documentation standards.
• Integrate validation processes into CI/CD pipelines and automate deployments and configuration management using Infrastructure-as-Code.
• Troubleshoot issues across API gateways, developer portals, catalogs, and cloud infrastructure.
• Prepare technical documentation and onboarding materials for developers.
• Gather developer feedback, drive continuous improvements, and contribute to technical decisions and the platform roadmap.

Skills

Azure API Management

Backstage

REST APIs/OpenAPI

TypeScript/JavaScript (Node.js/React)

OAuth 2.0/OpenID Connect/JWT

Git/CI/CD

Terraform/Bicep (IaC)

Observability

English communication

Tools

Backstage

Docker

Kubernetes

Job description

Holisticon Connect is seeking a Platform Engineer to join an international project for a Swedish multinational in the hygiene and medical products industry. You will help transform an Integration Hub around Azure API Management and Backstage into an internal developer platform for easy API discovery and consumption.

You will own API management, developer portal enhancements, automation, and platform ownership, influencing technical solutions and continuous platform improvements across teams.