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Senior / Staff Fullstack Developer (m/f/d) – Authentication & Profile

Berlin, BE, de💼 Full-time🗓 2026-08-03 → 2026-09-25

Core

Design, build, and operate scalable full-stack services for authentication, profile management, and secure user access across a multi-brand ecosystem.

Role type

Senior/Staff Fullstack Developer (Authentication & Profile)

Builds

Scalable authentication and profile services, identity platform, and cloud-native infrastructure for millions of users.

Domain

Media & Publishing / Identity & Access Management / Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Java, TypeScript, AWS (Lambda, serverless), distributed systems, API design, authentication/identity systems, cloud-native architecture, CI/CD, observability, infrastructure automation

Preferred skills

Go, Rust, AI tools

Responsibilities

Own and evolve the technical foundation of the Authentication & Profile domain; design and improve APIs, service architectures, and frontend integrations; build and operate cloud-native infrastructure with strong production ownership; mentor team members; collaborate with product, security, and data stakeholders to implement pragmatic technical solutions.

Seniority

Senior/Staff, hands-on IC with mentorship

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