Staff Engineer, Checkout Platform (m/f/d)
HybridHamburg, Hamburg, Germany or Grafton, Wisconsin, United States
Job Summary
Build and evolve the Core Commerce Services platform, taking a hands-on role in creating scalable, channel-independent checkout capabilities from early technical discovery through production. Shape the architecture by defining APIs, domain boundaries, and integration patterns while making pragmatic decisions around scalability, reliability, security, and observability. Drive technical alignment across Checkout, Payment, and other teams to maintain clear ownership boundaries and influence decisions beyond the team. Mentor engineers through pairing, design discussions, and code reviews to raise technical standards. Partner with Product to translate business needs into scalable solutions for AI-powered assistants and emerging commerce channels. This greenfield role requires strong Java expertise and system design capabilities to establish the platform's technical foundations from the ground up.
Required Qualifications
- strong Java and backend engineering expertise
- experience designing and building backend services, platforms and large-scale distributed systems
- hands-on engineering
- comfortable contributing directly to production code
- Staff/Principal level or demonstrated equivalent senior technical leadership
- strong system design and architecture capabilities
- ability to take significant technical ownership with a high level of autonomy
- comfortable working in a greenfield / 0-to-1 environment
- ability to explore options, evaluate trade-offs and turn ambiguity into pragmatic technical decisions
- strong track record of mentoring engineers and leading through influence
- ability to help raise the technical level of a team and creating alignment across engineering domains
- occasional on-site collaboration at our offices in Berlin or Cologne
Desired Qualifications
- Experience with headless or traditional checkout
- order management
- SaaS/platform engineering
- e-commerce or marketplaces
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