Senior iOS Engineer

EPAM Systems; Argentina; Presencial; ARS 3.000.000 - 5.400.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Healthcare benefits

Paid time off and sick leave

LinkedIn Learning access

Global career opportunities

Descripción de la vacante

EPAM Systems is seeking 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.

Responsibilities include building features with Swift, modernizing Objective-C areas, designing scalable solutions, and optimizing performance. You will work with a globally distributed team to deliver iteratively and maintain high code

Formación

• 3+ years of experience building iOS applications with Swift.
• Bachelor's degree in CS or related field, or equivalent experience.
• Hands-on experience maintaining or migrating Objective-C legacy code.
• Strong debugging and performance optimization skills.
• Experience with unit and integration tests and clean code practices.

Responsabilidades

• Build and improve iOS features using Swift with focus on usability and code quality.
• Maintain and modernize legacy Objective-C areas while reducing technical debt.
• Collaborate with designers, product owners, QA and engineers to deliver iteratively.
• Design solutions for open-ended problems with your team and drive delivery.
• Implement CI patterns to keep builds fast and reliable and automate workflows.

Conocimientos

iOS development

Swift

Debugging

Performance optimization

Unit testing

Cross-functional collaboration

Ownership mindset

Time management

Educación

Bachelor's degree in Computer Science or related field

Herramientas

UIKit

XCTest

XCUITest

GitHub Actions

REST API integration

MVVM

Descripción del empleo

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.

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
• Strong collaboration skills working with cross-functional partners in a small team
• Clear communication skills to share ideas and contribute to technical discussions
• English proficiency: B2 (Upper-Intermediate)

Nice to have

• GitHub Actions experience for CI workflows
• Knowledge of MVVM Architecture pattern
• REST API integration experience
• Experience with UIKit
• Skills in XCTest and XCUITest

We offer

• International projects with top brands
• Work with global teams of highly skilled, diverse peers
• Healthcare benefits
• Employee financial programs
• Paid time off and sick leave
• Upskilling, reskilling and certification courses
• Unlimited access to the LinkedIn Learning library and 22,000+ courses
• Global career opportunities
• Volunteer and community involvement opportunities
• EPAM Employee Groups
• Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn