Senior Backend Engineer - Payin Platform

About the Position

Senior Backend Engineer - Payin Platform

Wise is a global technology company, building the best way to move and manage the world’s money.

Min fees. Max ease. Full speed.

Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.

As part of our team, you will be helping us create an entirely new network for the world's money.

For everyone, everywhere.

More about our mission and what we offer.

Responsibilities

• Design, develop, test, and maintain backend services written in any language deployed on cloud infrastructure (AWS)
• Build and maintain RESTful APIs that serve millions of customers across web and mobile platforms
• Develop and optimise services powering the card pay-in payment method - one of the most popular payment methods, enabling Wise customers to move around £1 billion every month
• Design and implement database schemas, write and optimise SQL queries against PostgreSQL databases handling high-volume transactional data
• Build and maintain event-driven architectures using Apache Kafka for asynchronous processing of financial events across distributed services
• Develop and maintain a payment orchestration system that dynamically routes payments across Payment Service Providers to optimize for cost and reliability
• Write automated tests (unit, integration, and end-to-end) to ensure correctness and reliability of financial systems
• Conduct code reviews for team members, ensuring code quality, security, and adherence to engineering standards
• Participate in on-call rotations to monitor and respond to production incidents for Tier 2 critical services
• Collaborate with product managers, designers, analysts, and engineers across other teams to deliver cross-functional projects
• Identify and resolve performance bottlenecks, scalability issues, and technical debt in existing systems
• Ensure development follows security best practices, particularly around handling of sensitive financial data and compliance with financial regulations

Requirements

• Backend services
• RESTful APIs
• SQL queries
• Apache Kafka
• Payment orchestration
• Automated tests

We Offer

• Competitive salary: GBP 87,500 - GBP 111,000 per year
• Full-time position
• Opportunity to work on a global scale
• Collaborative and inclusive work environment

About the Company

Wise is a global technology company, building the best way to move and manage the world’s money.

Min fees. Max ease. Full speed.

Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.

As part of our team, you will be helping us create an entirely new network for the world's money.

For everyone, everywhere.

More about our mission and what we offer.

If you want to find out more about what it's like to work at Wise visit Wise.Jobs.

Keep up to date with life at Wise by following us on LinkedIn and Instagram.