Position Summary...

What you'll do...

Please note that Immigration Sponsorship is not available for this role. *

We are looking for a Senior iOS developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers. Your primary focus will be development of iOS applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential.

Are you a tech-savvy iOS developer with a passion for building cutting-edge mobile apps? Look no further than Walmart Marketplace's Senior Mobile Engineer role! With a focus on end-to-end development, performance tuning, and Agile methodology, you'll have the opportunity to drive change and shape the future of Walmart's mobile presence. As a key member of our Marketplace team, you'll leverage your expertise in iOS frameworks, RESTful APIs, and web technologies to create seamless, user-centric experiences that delight millions of Walmart shoppers every day. You'll lead the charge in creating innovative, user-friendly mobile experiences that revolutionize the way our customers shop. With a focus on end-to-end development, performance optimization, and Agile methodology, you'll have the opportunity to make a real impact on one of the world's most recognizable brands.

• Lead and participates in medium- to large-scale projects by reviewing project requirements; translating requirements into technical solutions; gathering requested information (for example, design documents, product requirements, wire frames); writing and developing code; conducting unit testing; communicating status and issues to team members and stakeholders; collaborating with project team and cross functional teams; troubleshooting open issues and bug-fixes; ensuring on-time delivery and hand-offs; interacting with project manager to provide input on project plan; and providing leadership to the project team.
• Lead the work of other small groups of four to six engineers, including offshore associates, for assigned Engineering projects by proving pertinent documents, direction, and examples; identifying short and long term solutions and timeline; reviewing and providing feedback for proposed solutions; and performing design and code reviews of changes.
• Troubleshoot business and production issues by gathering information (for example, issue, impact, criticality, possible root cause); engaging support teams to assist in the resolution of issues; formulating an action plan; performing actions as designated in the plan; interpreting the results to determine further action; performs root cause analysis to prevent future occurrence of issues; and completing online documentation.
• Provide support to the business by responding to user's questions, concerns, and issues (for example, technical feasibility, implementation strategies); identifying short- and long-term solutions; facilitating resolutions; and leading cross-functional partnership.
• Lead the discovery phase of medium to large projects to come up with high level design by partnering with the product management, project management, business and user experience teams; and obtaining cross-function approvals.
• Demonstrate up-to-date expertise and applies this to the development, execution, and improvement of action plans by providing expert advice and guidance to others in the application of information and best practices; supporting and aligning efforts to meet customer and business needs; and building commitment for perspectives and rationales.
• Provides and supports the implementation of business solutions by building relationships and partnerships with key stakeholders; identifying business needs; determining and carrying out necessary processes and practices; monitoring progress and results; recognizing and capitalizing on improvement opportunities; and adapting to competing demands, organizational changes, and new responsibilities.
• Model compliance with company policies and procedures and supports company mission, values, and standards of ethics and integrity by incorporating these into the development and implementation of business plans; using the Open Door Policy; and demonstrating and assisting others with how to apply these in executing business processes and practices.

• B.Tech. / B.E. / M.Tech. / M.S. (preferably in Computer Science)
• Strong computer science fundamentals: data structures, algorithms, design patterns.
• 6+ years of iOS development experience
• 6+ years of demonstrated end-to-end experience building, testing and shipping commercially available iOS apps
• Interacting with RESTful JSON APIs
• Hands-on design & development experience in interfacing with Web services platforms
• Proficient with Objective-C or Swift
• Experience with at least one iOS frameworks such as Core Data, Core Animation, MVVM, VIPER, MVP, etc.
• Experience with offline storage, threading, and performance tuning
• Familiarity with RESTful APIs to connect iOS applications to back-end services
• Knowledge of other web technologies and UI/UX standards
• Understanding of Apple's design principles and interface guidelines
• Knowledge of low-level C-based libraries is preferred
• Experience with performance and memory tuning with tools such as Instruments and Shark, etc.
• Knack for benchmarking and optimization
• Proficient understanding of code versioning tools such as Git, Mercurial or SVN
• Familiarity with continuous integration
• CI/CD development environments/tools & automation tools
• Strong hands-on development skills to prototype technical solutions.
• Strong desire to drive change, and ability to adapt to change quickly.
• Practitioner of Agile (Scrum) methodology
• Ability to convert high level design to low level design, estimation of work and participate in program planning & execution.
• Excellent communication (both written and verbal) and interpersonal skills including negotiation, facilitation, and consensus-building Ability to balance the long-term "big picture" and short-term implications of design decisions.

• Experience with mobile (web/native) development
• Experience in App Profiling (concepts like Rendering performance, battery issues, thread count and memory dumps) • Non-functional Testing: GPU overdraw, Rendering performance, Battery issues, CPU, Thread count, Memory consumptions and leaks, Network data transfer. (Crashes and ANR)
• Exposure to full stack development
• Proficient in new and emerging technologies.