IC2 Engineer

About the role

Power the engine of Wise. The Payin team looks after the critical first step of every customer’s journey: funding their transfer. We are a full-stack team that owns the entire payin lifecycle, from backend partner integrations to frontend user experience. You will architect API and SFTP integrations, design strategies to intelligently route customers to the best payment methods, and create frictionless UX for both one-off and recurring transactions. Your work will be measured by its direct impact on our most important metrics: the volume of money moved and the rate at which customers successfully complete payments. Wise’s mission is to move trillions. Our team owns the first and most essential part of that journey: getting the money in.

Responsibilities

• Architect API and SFTP integrations for payment processing.
• Design strategies to intelligently route customers to optimal payment methods.
• Create frictionless user experiences for one-off and recurring transactions.
• Write testable code and apply Test Driven Development practices.
• Work with relational databases, optimize queries, and design schemas.
• Collaborate cross-functionally with product, operations, and banking teams to prioritize projects that enhance customer payments.
• Communicate complex technical concepts to non-technical audiences and align solutions across teams.

Requirements

• Strong product mindset and passion for user experience, with a focus on customer value and data-driven decisions.
• 2+ years of experience with Java or Kotlin, including Spring framework and microservices.
• Self-starter attitude with a collaborative spirit; ability to work independently and across teams.
• Strong communication skills to articulate technical concepts clearly.