Payment Solution Engineer

You'll act as both project lead and solution engineer, running each integration with a regulator or provider while doing the technical implementation yourself. You will own projects connecting Unlimit to banking infrastructure, design and build local clearing and payment-system connections, manage onboarding through certification and production activation, and document integrations for engineering and operations.

Responsibilities

• Own central bank and clearing integration projects end to end, from kickoff to go-live.
• Act as the primary technical and project contact for regulators and their assigned counterparts.
• Manage credentials, environment setup, certification test cases, and production activation.
• Set and defend realistic launch timelines and keep projects on track.
• Design and implement connections to local clearing and payment systems.
• Deliver integrations with third-party BaaS providers to bring additional payment rails online.
• Document integrations and hand over maintainable solutions to engineering and operations.

Requirements

• 5+ years in payments, banking, or integration engineering with ownership of complex integration projects.
• Direct experience integrating with central banks or national clearing and settlement systems.
• Familiarity with payment schemes and networks such as SWIFT and SEPA.
• Strong understanding of payment rails, clearing, and settlement flows.
• Experience with ISO 20022, MT/MX, SOAP/REST web services, and certificate-based authentication.
• Ability to run regulated projects independently and manage regulator communication.
• Awareness and practical use of AI-driven engineering tools, LLMs, AI-assisted development environments, or automation frameworks.
• Clear, structured communication skills for working with regulators and technical counterparties.

Benefits

• Ownership of high-impact projects that unlock new markets.
• Exposure to acquiring, BaaS, wallets, crypto, and other fintech products.
• Global company with a strong engineering culture, agile mindset, and flat hierarchy.
• Collaboration with international teams across EU, LATAM, and APAC.