Senior iOS Developer

Sumsub is a leading full-cycle verification platform enabling scalable compliance through identity and business verification. The company seeks a Senior iOS Developer to develop and maintain iOS applications and SDKs for identity verification and fraud prevention products, building AI-driven onboarding and biometric verification flows.

• Develop and maintain iOS applications and SDKs for Sumsub's identity verification and fraud prevention products
• Build AI-driven onboarding, document capture, and biometric verification flows for iOS
• Ensure high performance, reliability, security, and attention to detail across the product
• Collaborate closely with product, design, and backend teams to deliver impactful features
• Maintain a clean, scalable architecture through code reviews, automated testing, and best engineering practices

• 6+ years of professional iOS development experience
• Strong Swift knowledge; experience with Objective-C is a plus
• Solid understanding of iOS SDK and UIKit
• Strong understanding of memory management and concurrency in iOS
• High attention to detail, strong ownership of code quality, and experience participating in code reviews
• Ability to clearly communicate technical decisions to cross-functional teams

• Remote-first, trust-based culture with no mandatory office days or attendance trackers
• True flexibility with adjustable working hours as long as work stays productive and in sync with the team
• Extra time off: Birthday as holiday, 10 personal days annually, 7 sick days without paperwork, extra Christmas and New Year time
• Fair and transparent compensation benchmarked to the market
• Team offsites multiple times per year with fully covered trips
• Learning opportunities and support for role-specific events and professional development
• Access to necessary tools and hardware for effective work