Senior iOS Engineer

Job Description Ciklum is looking for a Senior iOS Engineer to join our team full-time in Poland. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. About The Role As a Senior iOS Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. We are looking for a Mobile Engineer to join our engineering team. Our mission is to help people save money on the prescription drugs they need to live healthier lives and make healthcare more accessible and affordable. As a Mobile Engineer, you will be responsible for building and maintaining mobile applications and features that support key user journeys across our digital products. In this role, you will be involved in the design, implementation, testing, release, and ongoing improvement of new and existing mobile functionality. You will also collaborate closely with product, design, backend, and platform engineering teams. The ideal candidate will be able to quickly turn ideas into polished, production-ready mobile experiences in a fast-paced and friendly environment. You should also be comfortable learning new technologies as needed and applying engineering best practices to deliver reliable, high-quality applications. Responsibilities Build new features from the scratch up while working closely with design, product, and other developments' teamsCollaborate with the mobile apps team to design clean, reusable, and resilient high-level architecturesWrite unit tests for new features, and improve coverage for existing onesUpdate and maintain continuous integration toolsMaintain existing code by fixing bugs and monitoring app performanceCreate and participate in code reviewsParticipate in architecture design and decisions on how to scale our apps Requirements 5+ years of iOS development experience, including a strong familiarity with Apple frameworks and object-oriented design best practicesExperience with standard Apple tools such as latest Xcode with AI tooling, building UI with SwiftUI, Concurrency, etcGood understanding of OOPS concepts, including networking, security, storage management, multi-threading, and application life-cycle managementLatest Swift/SwiftUI conceptsProficient in debugging and performance tuningExperience communicating with REST APIsFamiliarity with managing Apple development tools and iTunes ConnectAbility to integrate 3rd party SDKs and APIs Desirable Building network layer using GraphQFamiliarity with common 3rd party libraries (such as Alamofire, Segment, Firebase, Google Ads, etc)Experience with observability and monitoring (Fabric, Crashlytics, Embrace, NewRelic, Datadog, Sentry, etc.)Understanding of functional reactive programmingExperience integrating SwiftAbility to maintain code that supports older versions of iOSKnowledge of the Apple Push Notification SystemExperience with Fastlane automation tools and BitriseExperience building reusable and shareable iOS components What’s in it for you? Strong community: Work alongside top professionals in a friendly, open-door environmentGrowth focus: Take on large-scale projects with a global impact and expand your expertiseTailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certificationsEndless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologiesFlexibility: Enjoy flexibility – full remote working possibilitiesCare: We've got you covered with company-paid premium medical package through LuxmedBenefits: Access the MyBenefit cafeteria platform, allowing you to choose perks that best suit your lifestyle and needs About Us At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress. With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions. Explore, empower, engineer with Ciklum! Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.