We are looking for a Senior iOS Engineer to build and enhance iOS applications with a strong focus on performance, reliability, and user experience. You will collaborate with designers, product partners, QA, and engineers in a fast-moving environment — apply now to help ship high-quality mobile features.
Responsibilities
- Build and improve iOS features using Swift with a focus on usability and code quality
- Maintain and modernize legacy Objective-C areas while reducing technical debt
- Design solutions for open-ended product and technical problems with your team
- Optimize application performance through profiling, analysis, and targeted improvements
- Debug issues and fix defects across the app lifecycle
- Write unit and integration tests to protect critical behavior and prevent regressions
- Integrate the app with backend services and troubleshoot integration issues
- Implement continuous integration patterns to keep builds fast and reliable
- Use build tools to automate workflows and improve developer productivity
- Collaborate with designers, product owners, QA,



and engineers to deliver iteratively
- Share ideas, review code, and contribute to a healthy engineering culture
- Work effectively with a globally distributed team across time zones

Requirements
- Bachelor’s degree in Computer Science or related field, or equivalent experience
- 3+ years of experience building iOS applications with Swift
- Hands-on experience maintaining or migrating Objective-C legacy code
- Solid software development methodology knowledge and ability to iterate under ambiguity
- Strong debugging skills to identify root causes and resolve issues efficiently
- Performance optimization skills across profiling, analysis, and tuning of iOS apps
- Testing experience with unit and integration tests to ensure quality
- Solution design skills to break down open-ended problems into shippable increments
- Proven ownership mindset to self-start, prioritize work, and manage time effectively
- S

📌 Senior iOS Engineer (Argentina)
🏢 EPAM Systems
📍 Argentina