4 months ago
Belgrade, SerbiaSenior
Responsibilities
- Own signed customers’ technical integrations from sandbox through public launch.
- Gather requirements, provide technical recommendations, design integration approaches, troubleshoot development issues, run testing and certification, and oversee initial post-launch transaction monitoring.
- Serve as the primary technical counterpart for customers and coordinate with Product, Engineering, Sales, Support, and Account Management.
- Support selected pre-sales opportunities through technical demos, security and RFP questionnaires, and integration architecture.
- Provide strategic technical support to a small set of high-volume accounts and identify opportunities for growth.
- Improve the integration lifecycle and create regional playbooks, documentation, and standard operating procedures.
- Manage multiple concurrent integration projects, dependencies, timelines, and customer-side blockers.
Requirements
- Deep understanding of API concepts, security mechanisms, and integration patterns.
- Strong knowledge of SaaS architecture, cloud computing conventions, and modern web applications.
- Demonstrable coding skills in Java and the ability to write SQL queries.
- Familiarity with software frameworks and client-server architecture.
- Ability to use Postman, Claude Code or Codex or other AI harnesses, database clients, and OpenAPI demonstration tools.
- Ability to manage multiple concurrent integration projects and drive blockers to resolution.
- Proven ability to present complex technical concepts to non-technical stakeholders in an organized manner.
- AWS knowledge and Python scripting are preferred or advantageous.
About Unlimit
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.