Senior Mobile Engineer (iOS & Android)

EPAM Systems, Inc.; United States; Remote; USD 120,000 - 160,000; Full time

Job summary

EPAM Systems, Inc. seeks a Senior Mobile Engineer to design and evolve large-scale native iOS experiences using Swift, UIKit, and SwiftUI. You will drive modern iOS architecture, modular components, and shared frameworks, while collaborating with cross-functional teams to deliver end-to-end mobile solutions.

You will contribute to Design Systems, CI/CD, testing, and production support, mentoring peers and advancing engineering excellence across the mobile organization.

Qualifications

• 3+ years of native iOS development with production experience on iOS and Android.
• Expertise in Swift, UIKit, SwiftUI and modern iOS architecture.
• Experience with Design Systems, reusable components and shared libraries.
• Strong REST API integration, concurrency, memory management, and performance tuning.
• Proficient in unit/UI testing, Git workflows, and CI/CD processes.

Responsibilities

• Design, develop, and maintain scalable native iOS apps using Swift and UIKit/SwiftUI.
• Drive modern iOS architecture, modular components, and reusable frameworks.
• Collaborate with Product, UX, Android, Backend, QA, and Platform teams.
• Contribute to CI/CD pipelines, automated testing, and release automation.
• Mentor engineers and influence engineering standards across mobile teams.

Skills

Swift

UIKit

SwiftUI

Design Systems

iOS architecture

CI/CD

Testing

Code reviews

Performance optimization

Unit testing

UI testing

Git

Agile

Communication

Tools

Xcode

REST APIs integration

Git workflows

Job description

We are looking for a highly skilled Senior Mobile Engineer with proven production experience across both iOS and Android platforms to help build and evolve large-scale, customer-facing mobile experiences. The ideal candidate has deep expertise in Swift, UIKit, SwiftUI, Design Systems, and modern iOS architecture, with a strong focus on scalability, performance, reliability, and engineering excellence.ResponsibilitiesDesign, develop, and maintain scalable, high-quality native iOS applications using Swift, UIKit, and SwiftUIDrive the design and implementation of modern iOS architecture, modular components, reusable frameworks, and engineering best practicesBuild and evolve Design Systems and reusable UI components, enabling consistent customer experiences and improving development efficiency across product teamsDevelop complex customer-facing features that integrate with backend APIs, microservices, personalization, loyalty, product, cart, checkout, and other enterprise platformsCollaborate closely with Product, UX/Design, Android, Backend, QA, Architecture, and Platform teams to design and deliver end-to-end solutionsPartner with the Mobile Platform team to adopt and enhance shared frameworks, foundational capabilities, architecture standards, developer tooling, and common servicesParticipate across the complete SDLC, including requirements analysis, technical design, implementation, testing, deployment, monitoring, and production supportContribute to and continuously improve CI/CD pipelines, automated testing, build processes, release automation, and developer productivityWrite clean, maintainable, secure, and testable code with strong unit and UI test coverageTake part in code reviews, technical design reviews, architecture discussions, and engineering documentationIdentify and address technical debt while driving improvements in application performance, scalability, reliability, security, accessibility, and maintainabilityMentor engineers, share technical knowledge, and help establish strong engineering standards across the mobile organizationRequirements3+ years of professional experience developing native iOS applications, with existing production experience across both iOS and AndroidExpertise in Swift, UIKit, and SwiftUI, along with the iOS SDKHands-on background in building and maintaining Design Systems, reusable UI components, and shared libraries/frameworksStrong understanding of iOS application architecture, design patterns, modularization, dependency management, and separation of concernsProficiency in designing applications that integrate with REST APIs and distributed backend servicesKnowledge of networking, concurrency, and data persistence, along with application lifecycle, memory management, and performance optimizationSkills in unit testing, UI testing, and code quality practices, including Git and automated build/release processesFamiliarity with CI/CD pipelines and mobile application deployment processesUnderstanding of SDLC, Agile development practices, and production support for large-scale applicationsExperience collaborating with Platform teams and cross-functional engineering teams to deliver shared technical capabilitiesCapability to troubleshoot complex production issues using application monitoring, analytics, crash reporting, and observability toolsExcellent written and verbal communication skills, with the ability to effectively convey technical decisions, trade-offs, risks, and dependencies to both technical and non-technical stakeholdersNice to haveBackground in developing large-scale retail, e-commerce, or high-traffic consumer mobile applicationsExperience with modular iOS architectures and migration/evolution of large existing codebasesShowcase of driving engineering excellence initiatives across mobile organizationsWe offerInternational projects with top brandsWork with global teams of highly skilled, diverse peersHealthcare benefitsEmployee financial programsPaid time off and sick leaveUpskilling, reskilling and certification coursesUnlimited access to the LinkedIn Learning library and 22,000+ coursesGlobal career opportunitiesVolunteer and community involvement opportunitiesEPAM Employee GroupsAward-winning culture recognized by Glassdoor, Newsweek and LinkedIn