Senior, Software Engineer (iOS Developer) | Marketplace | Sunnyvale

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.About Team :Marketplace Engineering team is at the forefront of building core platforms and services to enable Walmart to deliver vast selection at competitive prices and with best-in-class customer experience by enabling third-party sellers to the marketplace platform , sell and manage their products to our customers on walmart.com . We do this by managing the entire seller lifecycle, monitoring customer experience, and deliver high- value insights to our sellers to help them plan their assortment, price, inventory. The team also actively collaborates with partner platform teams to ensure we continue to deliver the best experience to our sellers and our customers.What you'll do :• 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.What you'll bring :• 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.Additional Qualifications :• 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.About Walmart Global Tech :Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That's what we do at Walmart Global Tech. We're a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world's leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.Flexible, Hybrid work :We use a hybrid way of working that is primarily in office coupled with virtual when not onsite. Our campuses serve as a hub to enhance collaboration, bring us together for purpose and deliver on business needs. This approach helps us make quicker decisions, remove location barriers across our global team and be more flexible in our personal lives.Benefits :Benefits: Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.Equal Opportunity Employer :Walmart, Inc. is an Equal Opportunity Employer - By Choice. We believe we are best equipped to help our associates, customers and the communities we serve live better when we really know them. That means understanding, respecting and valuing diversity- unique styles, experiences, identities, ideas and opinions - while being inclusive of all people.The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process.At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable.For information about PTO, see https://one.walmart.com/notices .Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.For information about benefits and eligibility, see One.Walmart .The annual salary range for this position is $117,000.00-$234,000.00Additional compensation includes annual or quarterly performance bonuses.Additional compensation for certain positions may also include:- StockMinimum Qualifications...Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 3 years' experience in software engineering or related area.Option 2: 5 years' experience in software engineering or related area.Preferred Qualifications...Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.Master's degree in Computer Science or related field and 2 years' experience in software engineering or related fieldPrimary Location...860 W California Avenue, Sunnyvale, CA 94086-0000, United States of America