Ciklum is looking for a Senior iOS Engineer to join our team full-time in Romania.

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. You will work alongside other iOS developers, web engineers, Ui/Ux designers, and data scientists and will be a key driver in shaping mobile experiences. This is a "full ownership" role where you will participate in every step of the process: from ideation and design to architecture, deployment, and maintenance. In this environment, you will have a direct influence on technological choices and the technical direction of the mobile product.

Responsibilities:

• Full Ownership Development: Work in a cross-functional team alongside Product, Design, and Data Science to build and maintain high-impact features
• Architectural Leadership: Lead the technical direction of the iOS app through the adoption of best practices, SOLID principles, and modern tooling
• Quality & Testing: Take full responsibility for code quality, maintaining high unit test coverage and implementing functional tests
• Reactive Programming: Design and implement complex features and dynamic views using Swift
• Performance & Monitoring: Proactively monitor app performance and stability and troubleshoot complex issues
• Collaborative Design: Work closely with the UX/UI team, to ensure designs are ready for development and meet high accessibility standards
• Mentoring: Inspire and coach less experienced colleagues, fostering a culture of technical excellence and constructive feedback

Requirements:

• 5+ years of professional experience in iOS development with a proven track record of shipping Swift-based applications
• Mastery of Swift and component-based UI development (SwiftUI)
• Experience with Reactive Programming (Combine)
• Deep expertise in integrating complex RESTful APIs, SDKs, and handling rich media/push notifications
• Extensive experience in XCTest and XCUITest
• Inclusive Design: Solid knowledge of VoiceOver, text-size scaling, and building accessible UIs for a global audience
• Localization: Experience developing multi-language UIs with dynamic views
• Understanding of the iOS build process and app configuration, and experience integrating with CI/CD pipelines
• Knowledge of SOLID principles and high-level engineering practices

Desirable:

• Cross-platform experience: Familiarity with Kotlin or React Native
• Android knowledge: While we don't have an Android app yet, experience in this area is a plus
• Experience with Proof of Concept (POC) development for new features
• Prior experience with performance monitoring tools like Sentry
• Experience with TDD

What`s in it for you?

• Strong community: Work alongside top professionals in a friendly, open-door environment
• Growth focus: Take on large-scale projects with a global impact and expand your expertise
• Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications
• Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies
• Enjoy radical flexibility – work remotely or from an office, your choice
• Care: Medical subscription to Regina Maria, meal tickets of 16 ron net/day worked

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.

In Romania, we welcome top-tier tech talent — whether from our Bucharest office or fully remotely. Tap into deep industry knowledge, grow your career, and make an impact in an empowering environment.

Want to learn more about us? Follow us on Instagram, Facebook, LinkedIn.

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.