Partner Solution Engineer III (Payments/API)

Location: Lisbon, Portugal; other location: Leeds, United Kingdom

Base salary: €48,000–€72,000 per year + 30% OTE

Company

hirify.global is a global bank payments platform, part of Mollie, providing Direct Debit, real-time payments, open banking, fraud reduction, and payment integrations for businesses.

What you will do

• Lead technical discovery with prospective and existing partners and design solutions using partner APIs such as Embed & Connect.
• Build and deliver demos and proofs of concept showing bank payments within partner products.
• Guide partners through integration, testing, webhooks, failure handling, launch readiness, and go-live.
• Work with Partnerships to qualify, shape, and close partner opportunities.
• Create integration guides, sample code, Postman collections, and checklists to accelerate future integrations.
• Evaluate newer tooling, including MCP and agentic commerce, for partner API usage.

Requirements

• Experience as a pre-sales, post-sales, or implementation engineer working directly with customers or partners.
• Hands-on API experience, including Postman, log reading, and debugging failed requests.
• Working knowledge of OAuth, webhooks, and common integration patterns.
• Programming skills in at least one common programming language.
• Solid understanding of APIs and MCP servers.

Nice to have

• Experience integrating with payment service providers or platforms.
• Knowledge of payments, including Direct Debit, open banking, cards, and alternative payment methods.
• Experience with platforms or multi-tenant models.
• Day-to-day use of AI tools in engineering work.

Culture & Benefits

• Wellbeing support and medical cover.
• Work away scheme allowing work outside the country of residence for up to 90 days in any 12-month period.
• Adaptive working and flexible arrangements.
• Parental leave, generous holiday allowance, three annual volunteer days, and four annual business-wide wellness days.
• Annual learning budget and a values-led culture focused on accountability, integrity, humility, and impact.