IOS Developer/Engineer (San Juan del Río)

Tata Consultancy Services is an equal opportunity employer, our commitment to diversity & inclusion drives our efforts to provide equal opportunity to all candidates who meet our required knowledge & competency needs, irrespective of any socio-economic background, race, color, national origin, religion, sex, gender identity/expression, age, marital status, disability, sexual orientation or any others. We encourage anyone interested to build a career in TCS to participate in our recruitment & selection process. TCS is seeking skilled professionals to join our team as an iOS Developer.

Required Skills

~3+ years of professional iOS development experience (Swift). ~ Strong knowledge of iOS SDK, UIKit/SwiftUI, Auto Layout, and app lifecycle. ~ Experience consuming RESTful APIs; JSON parsing; networking (URLSession/Alamofire). ~ Experience with mobile architecture patterns (MVVM/MVP/VIPER) and modularization. ~ Hands-on experience with unit testing (XCTest) and UI testing; familiarity with mocking frameworks. ~ Experience with Git, code reviews, and CI/CD for iOS (e.g., Azure DevOps, GitHub Actions, Bitrise, Fastlane).

Scope of Work Native iOS app development (Swift; Objective‑C optional) across the full SDLC—requirements, design, development, testing, release, and support. Building UI components, integrating device capabilities (camera, notifications, biometrics), and ensuring accessibility and localization readiness. Integrating with RESTful APIs and enterprise services; implementing secure authentication/authorization flows. Ensuring quality through unit tests, UI tests, code reviews, and CI/CD pipelines; optimizing performance and stability. Partnering with cross-functional teams to refine user stories, estimate work, and deliver in Agile sprints.

Key Responsibilities Develop and maintain iOS applications using Swift and Apple frameworks (UIKit and/or SwiftUI). Translate UX designs and product requirements into intuitive, responsive mobile experiences. Write clean, modular, and testable code following SOLID principles and iOS best practices. Integrate backend services via REST/GraphQL APIs; handle offline caching, data persistence, and synchronization. Implement secure storage, encryption where required, and follow mobile security best practices (OWASP MASVS). Troubleshoot, debug, and resolve defects; perform root-cause analysis for production issues. Optimize app performance (launch time, memory, battery), and ensure crash-free sessions. Collaborate with QA to define test strategies and automate test coverage. Support App Store releases, versioning, and continuous improvements based on telemetry and user feedback.

**Work modality: Hybrid ** Candidate must be located in or willing to relocate to Querétaro (it will be requested to attend office at least 3 days per week).

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