Principal Engineer - IOS

The Principal IOS Dev engineer I, reporting to the Sr Manager, Flagship Mobile Apps, will work on the team that brings CVS customers their “Super app” – the customer-facing Flagship CVS Shopping and Pharmacy apps. As a Principal Engineer, you will be helping advance our architecture and Mobile Product, working with cross-functional teams such as design, product, analysts to deliver great user experiences. You will partner with Apps Platform Engineers, Product Managers, Engineering Managers and fellow Feature Team engineers to build products used make our powerful omni channel shopping an easy and seamless experience. You will be considered a subject matter expert in software engineering best practices for the full software development life cycle as well as in our Pharmacy domain.

About this business unit: CVS Mobile Apps (aka Retail Apps) is the fastest growing business unit in the organization – more than million daily average users. Apart from engineering, the team consist of talented Product Owners and UX designers.

Work breakdown structure for this role:

In this role, you will be spending certain amount of time developing iOS code especially complex use-cases. In addition, you will be partnering with Product, UX and Engineers to iterate the features and improving our Product.

  Roles and Responsibilities:

• Solid experience with iOS APIs and frameworks.
• Knowledge of Cocoa pods and Swift Package.
• Strong fundamentals in object-oriented design, data structures, algorithm design, problem solving, and complexity analysis.
• Knowledge of MVVM, MVP and MVC design pattern.
• Hands on experience with Hybrid Mobile App Development in IOS.
• Attend Stand Up call and provide updates.
• Demo solution in Show and Tell.
• Collaborate with another team (e.g., Testing Team and overall Scrum Team)
• Proficiency in building mobile apps from scratch using at least one mobile language (Swift/SwiftUI, Objective-C, C, C++ etc.).
• Have published one or more iOS apps in the app store.
• Familiarity with RESTful APIs to connect iOS applications to back-end services.
• Experience with offline storage, threading, and performance tuning
• Experience with third-party libraries and APIs
• Familiarity with object-oriented principles including knowledge of design patterns.
• Familiarity with commonly used data structures and algorithms
• A knack for benchmarking and optimization
• Understanding of Apple design principles and interface guidelines
• Proficient understanding of code versioning tools, such as Git
• Ability to multitask and deliver several features across handsets simultaneously.
• Working extensively on iOS 15 - 17, XCode 9 - 11, Swift / Swift UI Objective-C, Cocoa pods, Mac OSX for developing the iOS Universal application for iPhone, iWatch & iPad.
• Implementing Swift Package / Cocoa Pods Private libraries for handling app functionality using native and third-party frameworks.
• Making sure IOS Mobile App secure by performing Veracode/Checkmarx scan and providing the solutions to avoid any vulnerability attack.
• Fine tuning app performance by using XCode instrument tool and Google Firebase framework to monitor the crashes and performance during development.
• Defining, developing and maintaining web services and applications that consume them (REST, SOAP, JSON, XML) using GET and POST methods.
• Supporting QA/Regression with bug fixes, test case creation support, and triage meetings for better app quality.
• Working with Gitlab/Cornerstone source control to committing, branching and merge changes to the source code in repository.
• Working as part of a dynamic team through Safe Agile programming development process.
• Collaboration with design team, QAs, scrum master and product owner to implement enhancements or new applications during daily standups, sprint planning and sprint retrospectives.
• Provided cross-functional support as a member of a highly productive sprint team.

Using Charles Proxy, Postman rest client for Web and Angular code debugging proxy for hybrid interaction.