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

• own and evolve the technical foundation of our Authentication & Profile domain across account creation, login, registration, single sign-on, profile data, and secure access to user information
• design, build, and operate scalable full-stack services that enable millions of users to access our brand products and premium content reliably across all channels
• shape the future of our identity platform by improving security, user experience, performance, and maintainability across authentication and profile-related services
• challenge existing systems and drive well-founded improvements that reduce complexity, increase reliability, strengthen data security, or unlock better product and business outcomes
• work closely with product, engineering, security, data, and business stakeholders to turn authentication, profile, and user data requirements into pragmatic technical solutions
• design and improve APIs, service architectures, frontend integrations, and data access patterns used by internal services across our multi-brand ecosystem
• build and operate cloud-native infrastructure on AWS with serverless architectures, CI/CD, observability, infrastructure automation, strong production ownership, and hands-on mentoring

• 10+ years of software engineering experience with strong expertise in full-stack development, distributed systems, and cloud-native architectures
• strong hands-on production experience with Java as a primary language, ideally combined with TypeScript and modern web technologies
• deep experience building and operating scalable applications on AWS, particularly with AWS Lambda, serverless architectures, CI/CD, observability, and infrastructure automation
• solid understanding of modern software architecture, APIs, distributed systems, security, resilience, and high-availability web applications
• experience with authentication, identity, single sign-on, user profiles, secure data access, privacy, or security-sensitive product domains
• strong ability to work across the stack, including backend services, frontend integrations, and the user-facing flows that connect them
• pragmatic, analytical mindset with strong English and German communication skills, confident AI tool usage, and curiosity for technologies such as Go or Rust where they add value

• your personal growth is important to us: we offer trainings and learning lunches, tech conferences, a budget for workshops and much more to expand your knowledge and your skills
• flexible working hours support a healthy work-life balance
• our free food offer: we offer free lunch in our canteens
• 30 days vacation plus 10 days working from abroad
• free choice of top-notch office equipment (also for your remote work space and possibility of private usage), up-to-date hardware, software and modern office spaces that provide you with maximum flexibility
• collaboration thrives on direct exchange - we rely on 80% office presence and 20% mobile working
• from now a permanent full- or part-time position in a modern office in the heart of Berlin:

The most frequently asked questions and their answers can be found on our FAQ page:

Diversity is an essential part of our corporate culture! We are looking forward to receiving all applications regardless of gender, nationality, ethnic and social origin, religion, ideology, disability, age, sexual orientation and identity.

You can find information about the representation for the severely disabled at Axel Springer here: https://career.axelspringer.com/en/rsde