Senior Software Engineer, Core Payments & Infrastructure

Wise; Greater London; On-site; GBP 111,000 - 145,000; Full time

Benefits offered by this job

RSUs

Wise benefits

Job summary

Wise in London is seeking a mid-senior backend-focused engineer to help build mission-critical infrastructure behind every sending transaction. You will contribute to both backend and frontend work, collaborating with product, design, and data teams to deliver a fast, reliable sending experience.

We value solving real customer problems, clear communication, and continuous learning. The role offers a starting salary of £111k–£145k plus RSUs and Wise benefits.

Qualifications

• Strong experience in building complex, high-reliability systems.
• Ability to communicate complex technical concepts clearly and simply.
• Strong computer science fundamentals.
• Focus on solving real customer problems with every change you make.
• Clear understanding of why we are building what we are building.
• Ability to think in product terms, not just at the code level.
• Passion to always learn and grow.
• Ability to get things done yourself and learn our stack.

Responsibilities

• Join our Send Core team and help build the critical infrastructure behind every sending transaction.
• Help make sending money as easy and fast as paying for groceries with your card.
• Maintain and improve our core infrastructure.
• Build customer-facing products that power the send journey.
• Collaborate with product, design, and data teams to deliver the best experience for our customers.
• Own the systems that every sending transaction depends on across the entire platform.
• Make architectural decisions for the core send components to keep them reliable and performant.
• Work primarily on backend development and also contribute to frontend work.
• Explore ways to improve our products and our day-to-day work.

Skills

High-reliability systems

Clear communication

CS fundamentals

Product mindset

Self-driven

Willingness to learn

Problem solving

Job description

Wise in London is seeking a mid-senior backend-focused engineer to help build mission-critical infrastructure behind every sending transaction. You will contribute to both backend and frontend work, collaborating with product, design, and data teams to deliver a fast, reliable sending experience.

We value solving real customer problems, clear communication, and continuous learning. The role offers a starting salary of £111k–£145k plus RSUs and Wise benefits.