Senior iOS Engineer Job at Mollie (Milan)

Senior iOS Engineer

Mollie

Location:
Italy , Milan

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

At Mollie, we’re on a mission to make payments and money management effortless for every business in Europe. We're looking for a Senior iOS engineer to build and maintain our payment SDK for iOS. You'll be responsible for designing, developing, and distributing an awesome payment SDK that enables merchants to seamlessly integrate Mollie's payment flows into their iOS applications. This role sits within a broader mobile and platform ecosystem at Mollie, and over time you’ll collaborate closely with teams shaping shared tooling, release processes, and developer experience across our apps.

Job Responsibility:

Design and develop a production-ready iOS SDK from the ground up
Ensure SDK compatibility across iOS versions and device types
Build and maintain CI/CD pipelines for automated testing, versioning, distribution, and App Store submission
Define SDK architecture that balances developer experience with security and compliance
Build to scale and for a lot of traffic
Collaborate with platform and app teams to align on shared tooling, release workflows, and mobile infrastructure

Requirements:

Strong iOS development experience with Swift and modern frameworks (UIKit, SwiftUI)
Minimum of 4 years experience with developing mobile apps
Experience building and distributing SDKs or libraries consumed by other developers
Deep understanding of iOS SDK distribution
Experience setting up CI/CD pipelines for automated testing, versioning, distribution, and App Store submission
Excellent communication skills, you'll be working closely with merchants and internal teams
Understanding of API design principles and developer experience considerations
Create comprehensive documentation to facilitate domain knowledge sharing and set up optimised processes

Nice to have:

Willingness to develop on React Native applications, including building native bridges/JSI integrations and delivering new features
Android SDK development experience (beneficial for future cross-platform alignment)
Experience with payment processing, PCI compliance, or financial applications
Knowledge of security best practices for client-side (mobile) payment handling
Open source contribution history or published SDKs/libraries
Experience contributing to internal platforms, developer tooling, or shared mobile foundations

What we offer:

Noise cancelling headphones
MacBook
Birthday off
Complimentary baby days
20 days working from abroad
22 holiday days
Internet allowance
Lunch voucher
Wellbeing program
Health insurance
Bonus scheme
Equity plans
Referral bonus
Learning platform
Mentor program
Work from home budget

Additional Information:

Job Posted:
March 01, 2026

Employment Type:

Fulltime

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