Staff Solution Architect – Finance Systems (m/f/d)

📋 Description

• You share architectural ownership of SIXT's payment platform, not carry it alone. It's grown fast
• You report directly to our Division Engineering Manager for Finance, a direct seat at the table on
• Every new use case is a cross-channel, cross-system flow: a payment might start at a counter, in
• You use AI as a genuine lever, not a checkbox, leaning on the in-house agentic toolkit we've built
• You stay hands-on where it matters: writing RFCs and reference implementations, prototyping to
• You raise the design bar across the platform, pairing with staff engineers and engineering managers

🎯 Requirements

• You have several years designing and owning architecture for payment or financial-transaction
• You understand payment flows (authorization, capture, refund, chargebacks, reconciliation), know
• You still build: strong on the JVM, comfortable with event-driven designs where money has to move
• You default to designing for the whole flow rather than the piece directly in front of you, and
• You reach for AI tools as a genuine thinking partner in your day-to-day design work, and you know
• You drive architectural alignment across engineering teams through influence and technical

🎁 Benefits

• Enjoy discounts on SIXT rent, share, ride and SIXT+, attractive vehicle leasing offers, and
• From day one, you'll have access to Claude by Anthropic and SIXTgpt, SIXT's own AI platform, to
• You will receive a monthly allowance from us as a contribution to your individual mobility
• We contribute to your retirement plan and support you with capital-forming benefits to ensure you
• Stay active with our modern SIXT gym, various leisure activities like the gaming area or the SIXT
• Enjoy 30 days of vacation and a hybrid working model with flexible hours