Payments Integration Lead for Enterprise Merchants

Nomupay; Manchester; On-site; GBP 60,000 - 90,000; Full time

Job summary

Nomupay is seeking an Integration Consultant to join its Merchant Enablement team in a role focused on leading technical integration discussions and guiding large merchants from design to go-live. You’ll work on REST/SOAP integrations, SDKs, and gateway connectivity while delivering demonstrations and best-practice recommendations.

You will own the end-to-end integration journey, resolve complex issues, and ensure a smooth onboarding and post-launch optimisation for enterprise customers across

Qualifications

• 4+ years' experience within payments, fintech, merchant acquiring, or digital commerce.
• Strong understanding of payment integrations and merchant onboarding.
• Experience working with REST APIs, SOAP, JSON, XML, SDKs, and integration protocols.
• Excellent troubleshooting and problem-solving skills.
• Experience managing multiple technical projects simultaneously.
• Strong stakeholder management and communication skills.
• Ability to explain technical concepts clearly to both technical and non-technical audiences.

Responsibilities

• Lead technical integration discussions with new and existing merchants.
• Act as the primary technical contact throughout the integration lifecycle.
• Support merchants with API integrations, SDKs, payment gateway connectivity, and technical onboarding.
• Deliver product demonstrations and provide technical guidance during pre-sales and implementation.
• Ensure merchants successfully go live within agreed timelines.
• Analyse, troubleshoot, and resolve complex integration issues.
• Provide expert advice on REST APIs, SOAP, JSON, XML, SDKs, and payment technologies.
• Work closely with Product and Engineering teams to resolve technical challenges.
• Build strong relationships with merchants and internal stakeholders.
• Assist Level 1 and Level 2 Support teams with complex technical escalations.
• Support onboarding, implementation, testing, and post-launch optimisation.

Skills

Payments industry experience

Integration concepts

REST API/SOAP/JSON/XML

Troubleshooting

Project management

Stakeholder management

Clear communication

Job description

Nomupay is seeking an Integration Consultant to join its Merchant Enablement team in a role focused on leading technical integration discussions and guiding large merchants from design to go-live. You’ll work on REST/SOAP integrations, SDKs, and gateway connectivity while delivering demonstrations and best-practice recommendations.

You will own the end-to-end integration journey, resolve complex issues, and ensure a smooth onboarding and post-launch optimisation for enterprise customers across