Unlimit

Payment Solution Engineer

Unlimit
Apply
4 months ago
Belgrade, SerbiaSenior

Responsibilities

  • Own central bank and clearing integration projects from kickoff through go-live.
  • Serve as the primary technical and project contact for regulators and assigned counterparts.
  • Manage credentials, environment setup, certification test cases, and production activation.
  • Set and maintain launch timelines and keep projects within delivery windows.
  • Design and implement connections to local clearing and payment systems.
  • Deliver integrations with third-party BaaS providers and document solutions for engineering and operations handoff.

Requirements

  • At least 5 years of experience in payments, banking, or integration engineering with hands-on ownership of complex integration projects.
  • Direct experience integrating with central banks or national clearing and settlement systems.
  • Hands-on 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 independently manage regulated projects, scope, timelines, and regulator communications.
  • Awareness of AI-driven engineering practices and hands-on experience with LLMs, AI-assisted development environments, or automation frameworks.
  • Experience with financial regulators, local schemes such as SEPA, SPEI, and Pix, or BaaS and embedded-finance integrations is preferred.

Benefits

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

Tech Stack

Categories

Solutions Engineering
Unlimit

About Unlimit

501-1,000 employees

Unlimit builds a global payments and financial infrastructure platform for businesses, combining payment processing, acquiring, multi-currency corporate accounts, B2B cards, and crypto/digital-asset rails via APIs. It monetizes through payment acceptance and account services, and also offers Banking-as-a-Service capabilities. Founded in 2009 and headquartered in London, it is privately held, with major hubs in London, San Francisco, Singapore, São Paulo, and Mexico City.

Contact me