Senior iOS Engineer
We are looking for a Senior iOS Engineer to join our mobile team and help design, build, and maintain high-quality iOS applications used in production at scale. In this role, you will work closely with product managers, designers, and backend engineers to deliver performant, maintainable, and user-focused mobile solutions. You will play a key role in architectural decisions, code quality, and best practices across the iOS codebase.
Essential functions
Design, develop, and maintain production-level iOS applications using Swift (5.x+)
Build modern user interfaces using SwiftUI and UIKit while adhering to Apple Human Interface Guidelines
Implement scalable and modular architectures using MVVM, Clean Architecture, and dependency injection
Manage complex navigation flows using the Coordinator pattern
Work with Combine to handle asynchronous data streams and reactive programming patterns
Integrate and maintain GraphQL APIs using Apollo iOS, as well as RESTful and WebSocket-based services
Collaborate with backend teams on API design, security, and performance
Write high-quality unit tests and UI tests using XCTest, following TDD principles when applicable
Ensure code quality and consistency through code reviews, SwiftLint, and SwiftFormat
Debug and optimize performance using tools such as Xcode Instruments and LLDB
Contribute to continuous improvement of development processes, tooling, and best practices
Qualifications
5+ years of hands-on experience developing and maintaining production iOS applications
Expert-level proficiency in Swift (5.x+), SwiftUI, and UIKit
Deep understanding of the iOS SDK, Foundation, and Core frameworks
Strong experience with Xcode 14+ and modern iOS development tools
Proven experience with MVVM and modular, scalable architectures
Solid understanding of dependency injection, inversion of control, and SOLID principles
Advanced experience with Combine and familiarity with RxSwift
Strong knowledge of async/concurrent programming in Swift
Experience integrating GraphQL APIs (Apollo iOS) and RESTful services
Understanding of API security and authentication mechanisms (OAuth, JWT, tokens)
Experience writing unit tests and UI automation tests with XCTest
Familiarity with Swift Package Manager (SPM) and CocoaPods
Strong focus on clean, maintainable, and readable code
Experience with debugging, performance optimization, and code reviews
We offer
- 100% payroll scheme, benefits by law (IMSS, INFONAVIT, 12+ vacation days)
- Benefits above the law: Vacation premium 50%, 5 PTOs, 3 sick days, 10 guaranteed public holidays per year
- Major medical insurance, Dental and Vision plan for an employee and direct family members
- Minor Medical Insurance (Multiservicios Médicos Santander) for an employee and direct family members
- Life Insurance and funeral expenses
- 5% savings fund, uncapped (matched by the company in the end of the year)
- Grocery cards/vouchers (Vales de Despensa)
- 30 days End of the Year Bonus (Aguinaldo)
- Opportunity to work on bleeding-edge projects with a highly motivated and dedicated team all over the world
- Individual career development plan and support from the best experts
- Professional development opportunities (Linkedin Learning, Cloud certification programs, access to corporate LMS integrated with other learning platforms)
- Well-equipped office in a business area of Guadalajara (quiet room, games room, air hockey, PS5, Nintendo Switch and Xbox Series X, pool table, ping pong, snacks, smoothies, and much more)
- Corporate social events (yoga, massages, sport tournaments, discussion panels, technical talks, lunch & learns)
- Flexible working hours
- Opportunity to relocate to another country where the company's offices are present.
About us
Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.Apply to the position
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Grid Dynamics is an equal opportunity employer. We are committed to creating an inclusive environment for all employees during their employment and for all candidates during the application process.
All qualified applicants will receive consideration for employment without regard to, and will not be discriminated against based on, age, race, gender, color, religion, national origin, sexual orientation, gender identity, veteran status, disability or any other protected category. All employment is decided on the basis of qualifications, merit, and business need.