Senior Mobile Engineer (iOS & Android)

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.
Responsibilities
Design, develop, and maintain scalable, high-quality native iOS applications using Swift, UIKit, and SwiftUI
Drive the design and implementation of modern iOS architecture, modular components, reusable frameworks, and engineering best practices
Build and evolve Design Systems and reusable UI components, enabling consistent customer experiences and improving development efficiency across product teams
Develop complex customer-facing features that integrate with backend APIs, microservices, personalization, loyalty, product, cart, checkout, and other enterprise platforms
Collaborate closely with Product, UX/Design, Android, Backend, QA, Architecture, and Platform teams to design and deliver end-to-end solutions
Partner with the Mobile Platform team to adopt and enhance shared frameworks, foundational capabilities, architecture standards, developer tooling, and common services
Participate across the complete SDLC, including requirements analysis, technical design, implementation, testing, deployment, monitoring, and production support
Contribute to and continuously improve CI/CD pipelines, automated testing, build processes, release automation, and developer productivity
Write clean, maintainable, secure, and testable code with strong unit and UI test coverage
Take part in code reviews, technical design reviews, architecture discussions, and engineering documentation
Identify and address technical debt while driving improvements in application performance, scalability, reliability, security, accessibility, and maintainability
Mentor engineers, share technical knowledge, and help establish strong engineering standards across the mobile organization
Requirements
3+ years of professional experience developing native iOS applications, with existing production experience across both iOS and Android
Expertise in Swift, UIKit, and SwiftUI, along with the iOS SDK
Hands-on background in building and maintaining Design Systems, reusable UI components, and shared libraries/frameworks
Strong understanding of iOS application architecture, design patterns, modularization, dependency management, and separation of concerns
Proficiency in designing applications that integrate with REST APIs and distributed backend services
Knowledge of networking, concurrency, and data persistence, along with application lifecycle, memory management, and performance optimization
Skills in unit testing, UI testing, and code quality practices, including Git and automated build/release processes
Familiarity with CI/CD pipelines and mobile application deployment processes
Understanding of SDLC, Agile development practices, and production support for large-scale applications
Experience collaborating with Platform teams and cross-functional engineering teams to deliver shared technical capabilities
Capability to troubleshoot complex production issues using application monitoring, analytics, crash reporting, and observability tools
Excellent written and verbal communication skills, with the ability to effectively convey technical decisions, trade-offs, risks, and dependencies to both technical and non-technical stakeholders
Nice to have
Background in developing large-scale retail, e-commerce, or high-traffic consumer mobile applications
Experience with modular iOS architectures and migration/evolution of large existing codebases
Showcase of driving engineering excellence initiatives across mobile organizations
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

Work arrangement
Yes