Senior iOS Developer

Tryzens Limited is a fast growing IT solutions consultancy based in the City of London with offices in Bulgaria, India, Australia and US. Our areas of expertise include delivery of eCommerce solutions, multi-channel retail solutions and project management amongst others. We provide best of breed solutions and services to several blue chip clients primarily within retail, financial services and other industries. We have built our delivery focused reputation upon technical innovation, in-depth business knowledge, and creative vision, all of which supports our objective of helping clients to gain true value from eCommerce. We love what we do and our clients love our work.

We are seeking a highly skilled Senior iOS Developer with extensive experience in modern Swift, memory management, and advanced iOS architecture patterns. As a key member of our mobile development team, you will be responsible for designing, developing, and maintaining high-performance, reliable, and scalable iOS applications that deliver exceptional user experiences.

Requirements

• At least 5 years iOS development experience
• Deep understanding of modern Swift syntax, features, and best practices
• Strong expertise in memory management, ARC, and performance optimization
• Proven experience with architectural patterns
• Expertise with GCD, Operation Queues, and asynchronous programming in Swift
• Familiarity with networking and RESTful APIs
• Experience with unit testing, UI testing, and continuous integration
• Proficiency with Xcode, Instruments and other debugging tools
• Strong experience with Git and collaborative development workflows (e.g., GitHub, Bitbucket)
• Familiarity with Agile/Scrum development processes

Nice to have

• Computer Science/STEM degree or equivalent in work experience
• At least one native app published in the App Store
• At least one public iOS project on GitHub
• Good knowledge of SwiftUI
• Basic understanding of web development
• Knowledge of Objective-C

Benefits

• Hybrid way of working
• Flexible working hours
• Monthly food vouchers
• Additional health insurance
• Sport card
• Great work-life balance and 25 days annual vacation
• 1 day birthday leave
• Regular team events