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Principal Engineer - Mobile

United States of America - Remote / Home Office

Job Summary: 

The Principal Engineer - Mobile operates at the intersection of deep technical execution and broad organizational influence. This role will resolve the hardest architectural questions, set the AI-native engineering bar, and ensure that iHerb's platform decisions compound over time rather than accumulate debt. Reporting to the VP of Engineering this role collaborates closely with peer Principals, Engineering Managers, and peer VPs across the organization. 

This role owns the end-to-end technical strategy for iHerb's mobile platform, covering iOS and Android apps used by millions of customers globally. You will lead the mobile modernization effort, drive platform and architecture decisions, and set the technical bar for the Mobile team. 

Job Expectations:

  • Define and own the mobile platform architecture: platform choices, app structure, shared component strategy, and native versus cross-platform patterns. 

  • Lead the technical scoping and execution of the mobile modernization effort, coordinating with the Mobile EM and cross-functional partners. 

  • Hands-on contributor: write production mobile code, build proofs of concept, and validate architecture through working software. 

  • Set and enforce technical standards for the Mobile team; drive code reviews and architecture reviews.

  • Evaluate and decide on cross-platform frameworks where appropriate, based on engineering tradeoffs and long-term maintainability. 

  • Contribute mobile-specific patterns and lessons into iHerb's shared AI-driven SDLC golden path. 

  • Drive the hardest cross-cutting technical decisions across multiple teams and shared platform services. 

  • Establish and evolve iHerb's AI-driven SDLC golden path: shared standards, Claude Code skills, guardrails, and automation patterns. 

  • Lead complex multi-team technical efforts by coordinating architecture reviews, aligning peer Principals and EMs, and resolving competing approaches. 

  • Mentor and raise the technical bar across the engineering organization through code review, architecture review, and direct coaching of senior engineers. 

  • Represent engineering in cross-functional conversations with product, data science, security, and infrastructure. 

  • Feed architectural decisions into the shared knowledge base so institutional knowledge compounds across the organization. 

The duties and responsibilities described above may provide only a partial description of this position. This is not an exhaustive list of all aspects of the job.  Other duties and responsibilities not outlined in this document may be added as necessary or desirable, with or without notice.

Knowledge, Skills and Abilities:

Required:         

  • AI-driven SDLC (required): demonstrated use of AI-assisted development tools such as Claude Code, GitHub Copilot, or Cursor to ship production systems. Can articulate workflow changes, quality tradeoffs, and guardrail strategies. 

  • Architecture at scale: experience designing and evolving large-scale distributed systems across multiple teams and years: APIs, data pipelines, event-driven architectures, or high-traffic platforms.

  • Cross-org technical leadership: track record of driving architectural standards, technical roadmaps, or platform initiatives that span multiple teams or organizations.

  • Engineering quality mindset: deeply held opinions on code quality, observability, CI/CD, test automation, and maintaining velocity without accumulating hidden debt. 

  • Communication and influence: able to write clear architecture documents, present to technical and non-technical audiences, and build consensus without formal authority. 

  • Experience working in distributed teams across the US, China, and Latin America.

  • Deep expertise in Swift (iOS) and Kotlin (Android); production-level experience in both platforms is required at this level. 

  • Hands-on experience with cross-platform mobile frameworks: React Native or Kotlin Multiplatform.  

  • Track record of owning mobile platform architecture decisions: app structure, state management, offline handling, performance, and release processes. 

  • Experience leading a mobile platform modernization or significant re-architecture effort. 

  • High degree of accuracy and attention to detail

  • Excellent organization skills and ability to multi-task

Equipment Knowledge:

  • Experience with Microsoft Office Suite (Word, Excel, PowerPoint)

  • Experience with Google Business Suite (Gmail, Drive, Docs, Sheets, Forms) preferred

Experience Requirements:

Generally requires a minimum of 10+ years of software engineering experience, with a significant portion at senior, staff, or principal IC level.

Education Requirements: 

Bachelor’s Degree in Computer Science or related field preferred, or a combination of education and equivalent work experience.

Judgment/Reasoning Ability:  Able to identify, troubleshoot and resolve problems quickly using sound judgment, poise and diplomacy.  Ability to use judgment and reasoning skills, and determine when to escalate issues, as required, in a timely manner.

Physical Demands: The physical demands described here are representative of those that must be met by a Team Member to successfully perform the essential functions of this job. While performing the duties of this job, the Team Member is regularly required to talk and hear. The Team Member is frequently required to sit, walk, climb stairs, use hands and fingers, bend, stoop and reach with hands and arms.  Reaching above shoulder heights, below the waist or lifting as required to file documents or store materials throughout the work day. The Team Member may occasionally lift or move office products and supplies up to 25 pounds. Proper lifting techniques required.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Work Environment: The noise in the work environment is usually moderate. Other factors are:

  • Hectic, fast-paced with multi-level distractions

  • Professional, yet casual work environment

  • Office / Warehouse environment

  • Ability to work extended hours as required

#LI-JC1

The anticipated pay scale for this position can be found below, however the pay range applicable to you may vary by geographic location based on where the job is located or where you work.  The final pay offered to a successful candidate will be dependent on several factors that may include but are not limited to the type and years of experience within the job, the type of years and experience within the industry, education, etc.  iHerb, LLC is a multi-state employer and this pay scale may not reflect positions that work in other states or locations.

Employees (and their families) that meet eligibility criteria as outlined in applicable plan documents are eligible to participate in our medical, dental, vision, and basic life insurance programs and may enroll in our company’s 401(k) plan. Employees will also be eligible for Time Off and Paid Sick Leave pursuant to the company’s policies. Employees will enjoy paid holidays throughout the calendar year.  Eligibility requirements for these benefits will be controlled by applicable plan documents.
Hired applicant may be awarded Restrict Stock Units and receive annual bonuses pursuant to eligibility and performance criteria defined in the respective plan documents and policies.
 
For more information on iHerb benefits, visit us at iHerbBenefits.com.

Anticipated Pay Scale:

$204,000 - $260,000 USD

Staffing Agency Submission Notice
iHerb does not accept unsolicited 3rd party ("Agency") candidates. If you are an Agency, please send any requests to be considered as a supplier in our Vendor Management System to staffingvendors@iherb.com. Do not contact iHerb employees directly. If requested to work on a role, any Agency candidates would be presented through the internal recruiting organization.

About iHerb
iHerb is on a mission to make health and wellness accessible to all. We offer Earth’s best-curated selection of health and wellness products, at the best possible value, delivered with the most convenient experience.

We’re the world’s largest eCommerce platform dedicated to vitamins, minerals, and supplements, and other health and wellness products. For more than 25 years, we’ve been making it simple for people all over the world to purchase the highest quality products. From supplements to skincare to grocery items, we ship over 50,000 products, from over 1,800 brands direct to our customers in 180+ countries.

Our vision is to become the #1 destination for health and wellness across the world.

With a passion for wellness and a mind for innovative solutions, iHerb team members share a vision for a healthier world that drives them each day. Our 5 Shared Values unite our global team:

Focus on the Customer · Empower Our People · Be Entrepreneurial & Pivot Quickly ·
Embrace Diversity & Inclusion · Strive for Simplicity

iHerb Benefits
At iHerb, we are dedicated to offering programs designed to help our employees and their families stay healthy, live well, and plan for their financial future. Built on a strong foundation, our programs provide options and upgrades with flexibility, protection, and security in mind. For the comprehensive benefits list, visit www.iHerbBenefits.com. For our international team members, you may be eligible for benefits depending on the country where you are employed. The Talent Acquisition Partner/local HR representative will go over the benefits you are eligible for. 

iHerb is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. iHerb provides equal employment opportunities to all applicants for employment and prohibits discrimination and harassment.

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