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iOS Developer (Radiotech)

Gismart · Remote

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Level: Mid
Type: Full Time
Where: Remote
Posted: 4h ago
Last seen on its board: 2h ago

Skills in this posting

Technical Documentation
iOS
Code Review
Scalability
A/B Testing
REST APIs
Swift
GraphQL
Android
Kotlin
LLMs
CI/CD
CSS

The posting

About us Gismart is a value-driven mobile app developer with a strong presence in the Health & Wellness, Utilities, and Music app markets. We have recently reached an important milestone of 1B+ downloads worldwide , moving closer to our mission of supporting people on their self-improvement journeys. Headquartered in London, Gismart is a global company with a team of 400+ people across Europe and beyond . We bring together professionals from entertainment, music, and tech backgrounds, combining creativity, product thinking, and strong execution to build apps used by millions of people worldwide. Our mission is to become a stepping stone on our customers’ journeys of self-improvement. Our values - Deliver what matters - Respect and support others - Initiate and own - Voice openly - Execute with quality If you are passionate about mobile products and want to work on apps with real scale, Gismart is the right place to grow, take ownership, and make an impact. About the project At Radiotech , we believe music belongs to everyone - not just those who grew up taking lessons. As a product company inside the Gismart ecosystem, we've spent years building apps that make music feel approachable, fun, and deeply human. With 23 apps across iOS and Android and over 500 million downloads worldwide, our products have found their way into the hands of musicians, beginners, and curious souls across the globe. We see music as a universal language. Our job is to make sure more people can speak it. Responsibilities - Develop, maintain, and modernize existing iOS applications using Swift, SwiftUI, and UIKit. - Define and evolve the architecture of the iOS codebase with a focus on scalability, modularization, and maintainability. - Design and implement efficient, testable technical solutions. - Prepare existing applications for gradual adoption of Kotlin Multiplatform (KMP). - Participate in the migration of selected business logic and shared components to KMP. - Collaborate with Android and other engineers on shared mobile architecture and APIs. - Research technical challenges and propose appropriate architectural solutions. - Troubleshoot complex issues and optimize application performance and memory usage. - Perform code reviews and contribute to technical documentation. - Maintain and improve CI/CD and release workflows. - Collaborate with Product Managers on technical solutions, planning, and estimation. - Proactively suggest technical and product improvements. - Use AI coding tools and engineering agents such as Cursor, Claude Code, Codex, or similar as part of the regular development workflow. Requirements - 4+ years of professional iOS development experience. - Strong proficiency in Swift and modern language features. - Strong experience with Swift Concurrency (async/await) and reactive programming such as Combine. - Production experience with both SwiftUI and UIKit. - Strong understanding of iOS architecture, application lifecycle, and platform frameworks. - Experience with MVVM, Clean Architecture, modular architecture, and reusable components. - Ability to independently design and implement complex technical solutions. - Experience with REST APIs, GraphQL, asynchronous networking, and multithreading. - Familiarity with Xcode, Instruments, SPM, CocoaPods, and Fastlane. - Understanding of App Store submission, signing, provisioning, TestFlight, and release management. - Experience with feature flags, remote configuration, and A/B testing. - Experience with CI/CD and automated testing. - Practical experience using AI coding assistants and engineering agents in daily development. Employee Benefits - Remote-First Culture: Our team is diverse and extensive, just like our product portfolio. We provide a flexible working schedule and let you work anywhere in the world, either remotely or in one of our corporate hubs. - Сoworking Compensation: We provide 100% compensation for coworking spaces in Ukraine (except Kyiv, where we have a cozy and autonomous hub) and 50% compensation for coworking spaces worldwide to make sure that everyone has a comfortable and inspiring workspace. - Free Office Lunches: We want you to stay fueled and focused, so we provide delicious free lunches for everyone working from our hubs. It’s one less thing for you to worry about during a productive workday. - Public Holidays Policy: Gismart observes public holidays based on the Ukrainian or Polish holiday calendars. Employees working in other locations are entitled to 12 public holidays per year. - 100% Sick Leave Compensation - Mental and Physical Health: To help you stay happy and healthy, Gismart will partially cover your medical insurance, sports activities, therapy costs. - Personal Equipment Policy: Of course, we’ll provide you with all the equipment you need or cover the maintenance cost for your own tools. - Personal Learning and Development: We love to see you learn and grow, so Gismart will cover 70% of your professional development courses. We’ll also pay for 100% of corporate English courses. - Time-Off Policy: Every employee gets 18 working days of paid vacation and 3 personal days per year, with an extra day added for each year at Gismart. - Corporate Events: We are remote-first, but we love meeting up in person. Whenever possible, we organize corporate events and team-building activities across all Gismart hubs. Find more English Speaking Jobs in Switzerland on Arbeitnow

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