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Fullstack Engineer - Mid Level

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Fullstack Engineer - Mid Level in Others new

  • Staffbase
  • Full time
  • Email
  • Berlin, Germany

Responsibilities

  • Build a reusable UI component library for generated applications, including views and approval flows.
  • Create connection layers between generated applications and customer source systems such as HR, time-tracking, and scheduling platforms.
  • Define extension points for widgets, menus, and sidebars through clean plugin configuration.
  • Design and implement cross-integration authentication so employees can use multiple integrations without repeated logins.
  • Ship and use plugins on the platform to identify gaps and improve the extensibility framework.
  • Apply multi-tenant security practices, including scope checks and prevention of cross-tenant data leaks.

Requirements

  • Strong knowledge of React and TypeScript for frontend development.
  • Experience with Java, Kotlin, Go, or TypeScript for backend services.
  • Hands-on experience integrating challenging third-party APIs, including systems with inconsistent authentication, limited documentation, legacy technology, or on-premises deployments.
  • Deep understanding of multi-tenancy security and data isolation.
  • Good judgment in deciding what to standardize and what to keep flexible.
  • Preferred experience with Cloudflare Workers, plugin systems, SDKs, developer platforms, design systems, component libraries, OAuth, enterprise SSO, or AI code generation as a product surface.

Benefits

  • Competitive salary packages including a unit-based Long Term Incentive Plan.
  • Flexible working time models and hybrid work options.
  • Yearly flexible work allowance of €1560.
  • 31 vacation days annually, including one floating holiday.
  • Pro rata fully paid Fridays off during August.
  • Company pension scheme.
  • One paid Volunteers Day per year for supporting a social project.

Salary: Competitive

Staffbase

Staffbase builds an employee communications and experience platform for enterprises to reach frontline and desk-based workers. Its SaaS suite includes a branded employee app, intranet, email and SMS tools, digital signage, and Microsoft 365/Teams integrations managed from a single console. Founde...

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