Apps Developer Jobs in California (NOW HIRING)

Company Description
WD is building the infrastructure behind the AI-driven data economy.
As AI scales, so does data. Every interaction, every model, every system generates data that must be stored, managed, and made accessible over time. That's where we come in.
We combine deep engineering expertise with global-scale manufacturing to deliver the storage systems that make AI possible, powering hyperscale data centers, cloud platforms, and enterprise infrastructure worldwide.
This isn't theoretical work. It's real systems, at real scale, people solving some of the hardest challenges in technology today.
We're looking for people who want to build, solve, and operate at that level.
Join us and let's shape the future of data.
Job Description
Build the AI-powered tools that WD's engineers actually use every day. You'll own full-stack features end-to-end - from UI to database to AI/ML components - and your work will directly shape how next-gen storage devices are designed, tested, and manufactured.
What you'll build:

• AI features and automation workflows embedded in production engineering apps

• RAG-based pipelines and LLM integrations across tools like ADAM, WDFA, LIMS, and DRVM

• New tooling for monitoring HDD product telemetry data in real time

• Reusable AI/ML patterns deployable across the full DRI Tools portfolio

• Full-stack components spanning UI, REST APIs, backend services, and data layers

Tech Stack:
Language: Python. AI/ML: LLMs, RAG Pipeline, Llama.cpp, Hugging Face, text embeddings, AI Harness (eg Claude Code) Front End: Web Apps: React, Tailwind CC, Vite APIs: REST API design & development Data: SQL/MySQL, data pipelines, file I/O, text parsing Devops: Git/Bitbucket, CI/CD, JIRA, Agile/Scrum
Platforms: Linux, Mac, Windows
Essential Duties & Responsibilities:

• Design, develop, test, and ship software tools - web, desktop, and CLI - in a large-scale enterprise engineering environment
• Own features from requirements → code → deployment
• Evaluate and integrate LLMs and embedding models into existing applications
• Build and expand automation and telemetry monitoring platforms

• Write clean, well-tested, maintainable Python code aligned to team standards

• Collaborate directly with HDD R&D and product engineering stakeholders to scope and ship solutions that reduce manual effort

• Stay current on open-source AI tooling and emerging frameworks

This role is part of WD's early career development program. WD's early career development program is ideal for individuals at the early stages of their professional career. Participants receive foundational training through structured onboarding, mentorship, and a curated development curriculum. The responsibilities of this role are typically aligned with candidates who have approximately 0-2+ years of relevant professional experience, though candidates of all experience levels are encouraged to apply.
Qualifications
Required:

• Currently pursuing a BS degree in Computer Science or a related field.
• Right to work in the US without requiring WD to commence or sponsor an immigration case in order to employ you at any point in the future is required.
• Proficiency in Python (full-stack development)

• Experience with REST API design and development

• Familiarity with SQL/MySQL and data pipeline development

• Understanding of AI/ML concepts - LLMs, embeddings, or RAG architectures

• Experience with version control and CI/CD workflows (Git/Bitbucket)

• Ability to work across the full stack: UI, API layer, database, and AI/ML components

Nice to have:

• Hands-on experience with AI frameworks and Harnesses

• Prior exposure to engineering or manufacturing software environments

• Experience with Agile/Scrum development practices

• Familiarity with telemetry data monitoring or failure analysis tooling

Additional Information
WD is committed to providing equal opportunities to all applicants and employees and will not discriminate against any applicant or employee based on their race, color, ancestry, religion (including religious dress and grooming standards), sex (including pregnancy, childbirth or related medical conditions, breastfeeding or related medical conditions), gender (including a person's gender identity, gender expression, and gender-related appearance and behavior, whether or not stereotypically associated with the person's assigned sex at birth), age, national origin, sexual orientation, medical condition, marital status (including domestic partnership status), physical disability, mental disability, medical condition, genetic information, protected medical and family care leave, Civil Air Patrol status, military and veteran status, or other legally protected characteristics. We also prohibit harassment of any individual on any of the characteristics listed above. Our non-discrimination policy applies to all aspects of employment. We comply with the laws and regulations set forth in the "Know Your Rights: Workplace Discrimination is Illegal" poster. Our pay transparency policy is available here.
WD thrives on the power and potential of diversity. As a global company, we believe the most effective way to embrace the diversity of our customers and communities is to mirror it from within. We believe the fusion of various perspectives results in the best outcomes for our employees, our company, our customers, and the world around us. We are committed to an inclusive environment where every individual can thrive through a sense of belonging, respect and contribution.
WD is committed to offering opportunities to applicants with disabilities and ensuring all candidates can successfully navigate our careers website and our hiring process. Please contact us at jobs.accommodations@wdc.com to advise us of your accommodation request. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.
Based on our experience, we anticipate that the application deadline will be 11/11/26, although we reserve the right to close the application process sooner if we hire an applicant for this position before the application deadline. If we are not able to hire someone from this role before the application deadline, we will update this posting with a new anticipated application deadlin
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Compensation & Benefits Details

• An employee's pay position within the salary range may be based on several factors including but not limited to (1) relevant education; qualifications; certifications; and experience; (2) skills, ability, knowledge of the job; (3) performance, contribution and results; (4) geographic location; (5) shift; (6) internal and external equity; and (7) business and organizational needs.
• The salary range is what we believe to be the range of possible compensation for this role at the time of this posting. We may ultimately pay more or less than the posted range and this range is only applicable for jobs to be performed in California, Colorado, New York or remote jobs that can be performed in California, Colorado and New York. This range may be modified in the future.
• If your position is non-exempt, you are eligible for overtime pay pursuant to company policy and applicable laws. You may also be eligible for shift differential pay, depending on the shift to which you are assigned.
• You will be eligible to be considered for bonuses under either WD's Short Term Incentive Plan ("STI Plan") or the Sales Incentive Plan ("SIP") which provides incentive awards based on Company and individual performance, depending on your role and your performance. You may be eligible to participate in our annual Long-Term Incentive (LTI) program, which consists of restricted stock units (RSUs) or cash equivalents, pursuant to the terms of the LTI plan. Please note that not all roles are eligible to participate in the LTI program, and not all roles are eligible for equity under the LTI plan. RSU awards are also available to eligible new hires, subject to WD's Standard Terms and Conditions for Restricted Stock Unit Awards.
• We offer a comprehensive package of benefits including paid vacation time; paid sick leave; medical/dental/vision insurance; life, accident and disability insurance; tax-advantaged flexible spending and health savings accounts; employee assistance program; other voluntary benefit programs such as supplemental life and AD&D, legal plan, pet insurance, critical illness, accident and hospital indemnity; tuition reimbursement; transit; the Applause Program; employee stock purchase plan; and the WD Savings 401(k) Plan.
• Note: No amount of pay is considered to be wages or compensation until such amount is earned, vested, and determinable. The amount and availability of any bonus, commission, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Company's sole discretion unless and until paid and may be modified at the Company's sole discretion, consistent with the law.

Notice To Candidates: Please be aware that WD and its subsidiaries will never request payment as a condition for applying for a position or receiving an offer of employment. Should you encounter any such requests, please report it immediately to WD Ethics Helpline or email compliance@wdc.com.
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