Domestic Switching Specialist

About this role

The role focuses on monitoring, supporting, and maintaining payment terminal operations and transaction switching to ensure high availability, timely incident resolution, accurate processing, and adherence to SLAs. It requires coordinating with banks, merchants, vendors, and internal teams to enable seamless payment processing. The position involves technical integration, API and transaction support, database and application troubleshooting, incident management, testing and deployments, and stakeholder liaison. It targets candidates with a strong background in payment technology and digital banking, and offers guidance and collaboration across technical and non-technical teams. The employer, Unified Payment Services Limited, operates in Lagos and centres on payment processing services.

What you would do

• Lead client and financial institution integration onto UP Exchange platforms and oversee successful production transition.
• Configure, test, and troubleshoot APIs and payment integrations; monitor and investigate failed or inconclusive transactions.
• Analyse transaction data with SQL/PostgreSQL and resolve discrepancies; troubleshoot applications and infrastructure using relevant tools.
• Own complex technical incidents, coordinate resolutions within SLAs, and perform root-cause analysis with permanent solutions where needed.
• Conduct UAT, integration, regression, and technical testing for new services and APIs; support production deployments and post-deployment verification.
• Serve as technical point of contact for clients, financial institutions, vendors, and internal teams; coordinate with cross-functional groups to resolve issues.
• Identify opportunities to improve system reliability, performance, and operational efficiency; develop and maintain documentation and troubleshooting guides.
• Provide technical guidance and mentoring to junior analysts; review escalated issues and reinforce standards.

What they are asking for

• BSc in Computer Science, Information Technology, Computer Engineering, Engineering, or related field.
• Minimum of 5 years in technical support, payment technology, digital banking, or related environments.
• Hands-on experience with APIs, payment integrations, databases, and Linux-based applications.
• Experience troubleshooting production applications and complex technical incidents.
• Strong knowledge of REST APIs, JSON, HTTP/HTTPS, authentication, and API testing tools (e.g., Postman).
• Proficiency in SQL/PostgreSQL and ability to analyse transaction data.
• Good understanding of Linux environments, system services, networking concepts, ports, and application logs.
• Experience with Docker, Nginx, SSH/PuTTY, and deployment processes.
• Solid understanding of payment transaction flows and digital payment environments.
• Strong analytical, troubleshooting, root-cause analysis, communication, and stakeholder management skills.

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