UI iOS Engineer

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We are looking for an iOS UI Engineer for the development of our client application layer. This is an Individual Contributor (IC) role focused on crafting elegant, high-performance user experiences using modern Apple frameworks. You will drive the implementation of features from conception to deployment using SwiftUI.

This position requires a deep passion for design and UX, coupled with a keen understanding of iOS architecture and the complex interactions between the application layer and the underlying system services. You will act as a technical design partner to the UX team, ensuring that ambitious designs are translated into robust, scalable, and efficient code.

• Modern UI Development: Architect and build new user-facing features primarily using SwiftUI.
• Architecture & Design: Actively collaborate with UX/Design teams, providing technical feasibility insights and contributing to the user experience and design documentation.
• Quality & Accessibility: Write comprehensive Unit, User Acceptance (UAT), and Snapshot Tests to ensure visual consistency and functional quality. Ensure all features meet high standards for Accessibility (VoiceOver, Dynamic Type) and Internationalisation (RTL).

• Experience: 14+ years of professional iOS software development experience with proven success building and supporting applications at massive, global scale.
• UI Prowess: Expert proficiency in SwiftUI and modern UI development patterns, with a demonstrated passion for the Apple design ecosystem.
• Architecture: Deep understanding of iOS architecture, data flow, component structure, and MVVM/Combine.
• Core Skills: Ability to write clean, testable, maintainable code, and a basic understanding of asynchronous and concurrent programming.
• Autonomy: Operates with a high degree of autonomy and ownership within a structured, engineering-driven environment.
• Collaboration: Strong ability to articulate complex technical issues to both technical and non-technical audiences, and proven experience working on distributed teams across time zones.

• Experience with Containerisation (Docker/Kubernetes) for local testing or staging environments.
• Familiarity with system monitoring tools like Splunk/Prometheus/Grafana.
• Experience with Shell Scripting for automation tasks.

At .Monks, we believe in fostering an environment where a diversity of perspectives can thrive. We proactively work to design hiring processes that promote equity and inclusion while mitigating bias. We celebrate diversity and are committed to building a team that reflects the communities we serve. We welcome and encourage qualified applicants, from all backgrounds, who are excited to contribute to our mission.  

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About Monks

Monks is the global, purely digital, unitary operating brand of S4Capital plc. With a legacy of innovation and specialized expertise, Monks combines an extraordinary range of global marketing and technology services to accelerate business possibilities and redefine how brands and businesses interact with the world. Its integration of systems and workflows delivers unfettered content production, scaled experiences, enterprise-grade technology and data science fueled by AI—managed by the industry's best and most diverse digital talent—to help the world's trailblazing companies outmaneuver and outpace their competition.

Monks was named a Contender in The Forrester Wave: Global Marketing Services. It has remained a constant presence on Adweek's Fastest Growing lists , ranks among Cannes Lions' Top 10 Creative Companies and is the only partner to have been placed in AdExchanger's Programmatic Power Players list every year In addition to being named Adweek's first AI Agency of the Year (2023), Monks has been recognized by Business Intelligence in its 2024 Excellence in Artificial Intelligence Awards program in three categories: the Individual category, Organizational Winner in AI Strategic Planning and AI Product for its service Monks.Flow. Monks has also garnered the title of Webby Production Company of the Year , won a record number of FWAs and has earned a spot on Newsweek's Top 100 Global Most Loved Workplaces 2023.

We are an equal-opportunity employer committed to building a respectful and empowering work environment for all people to freely express themselves amongst colleagues who embrace diversity in all respects. Including fresh voices and unique points of view in all aspects of our business not only creates an environment where we can all grow and thrive but also increases our potential to produce work that better represents—and resonates with—the world around us.