Join our globally distributed team as a **Senior iOS Engineer** working on mobile applications used by tens of millions of cardholders. You will solve complex problems using innovative technologies, ensuring excellent user experience and maintainable code. Apply now to contribute to impactful projects and grow your skills. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi\-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting\-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential. **Responsibilities** * Build and maintain iOS applications using Swift and Objective\-C * Design and implement MVVM architecture patterns for scalable codebases * Develop and maintain REST API integrations following RAML documentation * Write and execute unit and integration tests using XCTest and XCUITest * Implement continuous integration workflows with Circle CI and GitHub Actions * Analyze and optimize application performance and fix bugs * Collaborate with global teams to deliver high\-quality software on schedule * Utilize build tools such as Tuist and xcodebuild to streamline development * Manage legacy Objective\-C code and integrate new Swift features * Design solutions for open\-ended problems with a focus on user experience * Participate in code reviews and share knowledge with team members * Follow functional coding patterns to ensure code quality and maintainability * Contribute to open source projects and improve development processes * Handle bespoke backend service integrations with attention to detail **Requirements** * Minimum 3 years of experience with iOS development using Swift and Objective\-C * Proven knowledge of MVVM architecture and REST API integration * Experience with continuous integration tools like Circle CI and GitHub Actions * Proficient in unit and UI testing frameworks, XCTest and XCUITest * Familiarity with build tools such as Tuist and xcodebuild * Ability to analyze and optimize app performance effectively * Experience working in globally distributed teams * Strong problem\-solving and time management skills * Bachelor’s degree in Computer Science or related field, or equivalent experience * Excellent communication skills in English, minimum B2 (Upper\-Intermediate) level **We offer** * Connectivity Bonus (25,000 ARS are paid with a salary receipt at the end of each month as a non\-wages concept). * Medicina Prepaga (It covers the collaborator and direct family group). * Paternity Leave (Two additional days are added to what is established by law, total of 4 days). * Discounts card. * English Training (English lessons, twice per week). * Training Program (Access to multiple customized training plans according to the needs of each role within the company). * Marriage bonus (The company doubles the allowance established by law that ANSES offers). * Referral Program (Referral bonus is paid when the referral of a collaborator joins the Company). * External Agreements and Discounts. * Vacations: 14 calendar days a year *By applying to our role, you are agreeing that your personal data may be used as in set out in EPAM´s Privacy Notice and Policy.*