Senior iOS Engineer - Spend

WISE ASIA-PACIFIC PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Wise is seeking a Senior iOS Engineer to ship direct customer touchpoints on one of the company’s most impactful products. You will drive the technical execution of the mobile product, collaborating with backend, frontend, and product teams across five product squads.

Your day‑to‑day focuses include leading end‑to‑end feature initiatives, owning core iOS user flows like card ordering and 3DS, and ensuring a seamless mobile experience through high code quality and globally distributed teamwork.

Qualifications

• Deep experience building high‑performing iOS apps at scale.
• Proven experience with modern iOS UI development (SwiftUI, Swift Concurrency).
• Rely on data to improve customer experience and reduce pain points.
• Able to explain complex technical concepts to non‑technical stakeholders.
• Comfortable pivoting quickly as priorities change in a distributed environment.
• Thrives in a globally distributed squad and collaborates across teams.

Responsibilities

• Lead full, engineer‑driven product initiatives across the mobile lifecycle.
• Own core iOS flows including card-related features and transactions.
• Write clean, maintainable code and promote mobile best practices while collaborating with a distributed tribe.

Skills

iOS at scale

SwiftUI

Swift Concurrency

Data-driven decisions

Technical communication

Adaptability

Cross‑functional collaboration

Tools

Xcode

Job description

About the Spend Squad:

We build products that allow our customers to spend their money anywhere in the world. We currently process about £34 billion annually and issue cards to over 40 countries. We are also building out features which localise the spending experience no matter where you are.

As a Senior iOS Engineer, you would be responsible for shipping the direct customer touch points on one of Wise's most impactful products and highest growth products.

What you will do:

You will drive the technical execution of our mobile product, working closely with backend, frontend, and product teams.

Your day-to-day focus will be:

• Lead full, engineer-driven product initiatives. You will be involved in the entire lifecycle of a feature, from inception and technical planning to shipping and scaling.
• Directly support and build out the card product across 5 individual product teams. This includes owning core user flows like card ordering, transacting, 3DS authentication, bill splitting, recurring payments, and dispute resolution.
• Write clean, maintainable code on your platform, advocate for mobile best practices, and collaborate with the wider globally distributed tribe to ensure a seamless mobile experience.

Qualifications

About you:

We are looking for a highly technical, product-passionate iOS engineer who brings:

• Deep experience building, shipping, and maintaining high-performing apps at scale oniOS.
• Proven experienceworking with modern iOS UI development (SwiftUI,Swift Concurrency)
• You don't just build to spec; you have a passion for customer experience. You rely on data to make decisions and actively look for ways to fix customer pain-points.
• The ability to articulate complex, deeply technical concepts to non-technical stakeholders and cross-functional peers.
• Comfortable working in an environment where you can pivot effectively when priorities change, quickly adjusting workflows to meet team objectives.
• Thrives in a globally distributed squad and tribe environment, working as a strong team player who elevates the engineers around them through technical excellence.

What's in it for you:

• Influence one of Wise's most recognisable and high-traffic products.
• We don't just pass down requirements. We ask our iOS engineers to lead product drives and own their technical roadmap.
• Work in a healthy environment built on transparency, ownership, and trust, alongside a very talented group of frontend, backend, and product peers.