Senior iOS Developer

About Cognizant

Cognizant Digital Practice helps clients reinvent products, experiences, and business models to create new value, differentiation, and drive revenue in the digital economy. We take an Experience centered approach which uses human insights to take ideas from vision to outcome and building end to end experience leading solutions that enable brands to transform their customer and employee experiences using design, marketing, and commerce capabilities.

About the Role

We are looking for a Staff 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 Staff 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.

Job Location: Bentonville, AR (4 days onsite)

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 4 days a week in a client or Cognizant office in Sunnyvale, California. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

Note: The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

What you'll do:

• Lead and participates in 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.
• 4 -12 years of iOS development experience
• 4+ 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.

**Candidate must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future**

Salary and Other Compensation:

Applications will be accepted until September 2^nd, 2025.

The annual salary for this position is between $68,000 - $114,000 depending on experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

• Medical/Dental/Vision/Life Insurance
• Paid holidays plus Paid Time Off
• 401(k) plan and contributions
• Long-term/Short-term Disability
• Paid Parental Leave
• Employee Stock Purchase Plan

Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

The Cognizant community:
We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive.

• Cognizant is a global community with more than 300,000 associates around the world.
• We don’t just dream of a better way – we make it happen.
• We take care of our people, clients, company, communities and climate by doing what’s right.
• We foster an innovative environment where you can build the career path that’s right for you.

About us:
Cognizant is one of the world's leading professional services companies, transforming clients' business, operating, and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant (a member of the NASDAQ-100 and one of Forbes World’s Best Employers 2024) is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email CareersNA2@cognizant.com with your request and contact information.

Disclaimer:
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.