Senior iOS developer

• Design and develop responsive, accessible, and performant UI applications usingSwift,SwiftUI

• Collaborate in the design and development of APIs that support the mobile application,leveragingPython.

• Partner withArchitectsand other mobile focused developers, contributing to Architectural Decision Records (ADRs).

• Mentor and elevate engineers through technical deep-dives, design reviews, and code walkthroughs.

• Drive continuous delivery practices by improving CI/CD pipelines, test strategies, and build automation.

• Instrument applications for performance and proactively address tech improvements and system health.

• Advocate for and implement best practices in front-end engineering, includingcomponentreusability, separation of concerns, and performance optimization.

• Practice Swift’s modern concurrency features to integrate, test, and execute requirements for application features.

• Apply your knowledge of C++ integration techniques to enable Swift interoperability.

• Champion Grainger’s strong engineering culture by modeling sensible defaults:

• Lead by example in delivering small, iterative stories using trunk-based development.

• Foster a culture of pairing, shared ownership of quality, and test-driven development (TDD).

• Promote fast builds, automated deployments, and production-ready code with built-in observability,resilienceand security.

You will join the Sales Enablement Mobile Team, contributing to the development of iOS mobile tools that empower our Sellers to better serve the ones who get it done.

As a Senior Engineer on the Sales Enablement Mobile Team, you will play a pivotal role in shaping the mobile user experience and building scalable, high-performance mobile applications that streamline how Sellers engage Customers and their team members while on the go.You’llpartner with cross-functional stakeholders to build, evolve, and modernize Grainger’s digital experience, with a strong focus on quality, performance, and long-term maintainability.

This is a hands-on role requiring deepexpertisein nativeiOSdevelopment and Backend-for-Frontend (BFF) architectures, combined with strong technical leadership, mentorship, and collaboration skills.

This position is not eligible for any form of sponsorship now or in the future. Individuals requiring sponsorship (e.g. OPT or H1Bvisastatus) should not apply. Only individuals authorized to work in the United States now and for the foreseeable future will be considered for this position., * 3+ years of professional experience in software engineering with a strong focus onnativeiOSapplicationdevelopment.

• Experience building component-based architectures.

• Proven ability to drive engineering quality through unit testing, shared ownership, and clean code practicesusing tools such asXCTest, Swift Testing,XCUITest,orEspresso

• Experience collaborating across teams to implement observability standards that support production readiness, faster debugging, and proactive system health monitoring using tools likeDataDog, Splunk etc.,

• Solid understanding of Backend-for-Frontend (BFF) patterns and best practices for designing and securing APIs.

• Hands-on experience in CI/CD environments (e.g., GitHub Actions), witha strongunderstanding of deployment pipelines and version control workflows.

• Proventrack recordof rapidly advancing early-stage iOS applications from concept to production.

• Passion for user experience and attention to detail in design execution.

• Cloud platform experience (AWS) and containerization basics (Docker, Kubernetes).

life insurance, paid time off, tuition reimbursement, 401(k), The anticipated base pay compensation range for this position is $112,900.00 - $188,100.00. This role is eligible for an incentive target of up to 10%, based on the achievement of individual and company performance objectives in accordance with the current terms of the incentive program which are subject to change., With benefits starting on day one, our programs provide choice and flexibility to meet team members’ individual needs, including:

• Medical, dental, vision, and life insurance plans with coverage starting on day one of employment and 6 free sessions each year with a licensed therapist to support your emotional wellbeing.
• 18 paid time off (PTO) days annually for full-time employees (accrual prorated based on employment start date) and 6 company holidays per year.
• 6% company contribution to a 401(k) Retirement Savings Plan each pay period, no employee contribution required.
• Employee discounts, tuition reimbursement, student loan refinancing and free access to financial counseling, education, and tools.
• Maternity support programs, nursing benefits, and up to 14 weeks paid leave for birth parents and up to 4 weeks paid leave for non-birth parents.

For additional information and details regarding Grainger’s benefits, please click on the link below:

https://experience100.ehr.com/grainger/Home/Tools-Resources/Key-Resources/New-Hire

Grainger Benefits

The pay range provided above is not a guarantee of compensation. The range reflects the potential base pay for this role at the time of this posting based on the job grade for this position. Individual base pay compensation will depend, in part, on factors such as geographic work location and relevant experience and skills.

The anticipated compensation range described above is subject to change and the compensation ultimately paid may be higher or lower than the range described above.

Grainger reserves the right to amend, modify, or terminate its compensation and benefit programs in its sole discretion at any time, consistent with applicable law.

W.W. Grainger, Inc. is a leading broad line distributor with operations primarily in North America and Japan. At Grainger, We Keep the World Workingby serving more than4.6 million customersworldwide with maintenance, repair andoperating(MRO) products and value-added solutions delivered through innovative technology and deep customerexpertise. Known for its commitment to service and purpose-driven culture, the Company reported2025 revenue of$17.9 billion. For more information, visitwww.grainger.com.