NEW JOB OPENING
AIML SENIOR BACKEND SOFTWARE ENGINEER
IN Cupertino, CA, USA!

 

Date Posted: 04/17/2026
Hiring Organization: Rose International
Position Number: 499990
Industry: IT Company
Job Title: AIML Senior Backend Software Engineer
Job Location: Cupertino, CA, USA, 95014
Work Model: Hybrid
Work Model Details: Hybrid (Tuesday, Wednesday, Thursday onsite)
Shift: PST Business Hours
Employment Type: Temporary
FT/PT: Full-Time
Estimated Duration (In months): 3
Min Hourly Rate($): 92.54
Max Hourly Rate($): 92.54
Must Have Skills/Attributes: Artificial Intelligence (AI), AWS, Back End, Data Engineer, Data Structure, MAC OS, Machine Learning, Python, REST, System Design
Nice To Have Skills/Attributes: Java, Swift
Experience Desired: Strong Python expertise with concurrency, parallelism, and functional programming (10 yrs); Experience building scalable data pipelines and backend services (8 yrs); Hands-on with REST APIs, large scale data systems, Redis or VectorDB (8 yrs); Strong fundamentals in algorithms, data structures, and system design (8 yrs); Experience working with cloud platforms like GCP or AWS (5 yrs)
Required Minimum Education: Bachelor’s Degree

**C2C is not available**

 

Job Description
Education:

• Bachelor of Science in Computer Science or equivalent



Minimum Qualifications:

• 10+ years of programming experience in Python. Extensive experiences in concurrency and parallelism, functional programming, decorators.

• Familiarity in other programming languages (Java/GoLang/Rust/Swift)

• Proficient in REST API, Redis, VectorDB or other large scale data storage systems

• Solid foundational programming skills (algorithms, data structures, OOP, etc.)

• Experience designing, writing, reviewing, testing and delivering software for applications and systems at scale



Preferred Qualifications:

• Familiarity with streaming-processing (Kafka). Familiarity with a variety of build tools (Jenkins, Maven, Docker, Gradle)

• Experience providing architecture and design guidance

• A good communicator with clear and concise, active listening and empathy skills.

• Are self-motivated and curious. Strive to continually learn on the job.

• Have demonstrated creative and critical thinking with an innate drive to improve how things work. Have a high tolerance for ambiguity



Do you want to play a part in the next revolution in Foundation Models? Contribute to model hillclimbing for Client Intelligence features that leverage Client Foundation Models, and work with the people who built the intelligent products that helps millions of people get things done — just by asking or typing!

The vision for the AI/ML FM Data organization is to improve Foundation Models by leveraging data from a variety of sources: crawl, license, vendor and internal crowdsourcing. As a Sr Software Engineering on the team, you will drive backend innovations, identify key opportunity areas where data can play a crucial role and experiment with various data augmentation strategies to improve model training efficiency and performance.



We are looking for people with a track record in building scalable pipelines and services. Join us, and impact hundreds of millions of customers across billions of their interactions with foundation model powered Client Intelligence features, that are available on iPhone, iPad, HomePod, Mac, Watch, CarPlay, and tv across more than 30 languages!



As a Sr Backend Software Engineer, you will be responsible for the following areas.

• Training data pipeline development. Convert raw data into format acceptable by training jobs on GCP and AWS.

• Leverage internal and open-sourced training modules.

• Large scale inferences: Leverage internal and open-sourced inference stack to generate inferences with fine-tuned LLMs on massive amounts of data, for pre-train and post-training

• Data processing and data filtering: Have the ability to efficiently process and filter very large amounts of data, often times messy.

• Scalable web services backend and APIs to support data access and data inspection tools











  • **Only those lawfully authorized to work in the designated country associated with the position will be considered.**

  • **Please note that all Position start dates and duration are estimates and may be reduced or lengthened based upon a client’s business needs and requirements.**


 

Benefits:
For information and details on employment benefits offered with this position, please visit here. Should you have any questions/concerns, please contact our HR Department via our secure website.

California Pay Equity:
For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here.

Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances.

If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department.

Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).

 

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About Rose

  • Founded in 1993
  • Office Locations Across the U.S.
  • 150+ Clients: Corporations and Government Agencies
  • Employee Oriented Company
  • Challenging Assignments Across the U.S.
  • Continuous Professional Development

Your team at Rose International is always very helpful and responsive.

Barbara, Consultant

Working for Rose International was the most pleasant assignment I have ever had. They were always on top of situations when necessary, and very helpful. I was very proud to be an employee of Rose International, and would recommend anyone to try to work with them.

Melvon, Consultant

I have been very pleased with my experience with Rose International. Everyone that I encountered was very helpful and courteous.

Stephanie, Consultant

I had a very positive experience working for Rose. The entire process is very efficient and easy.

Joanne, Consultant

I believe the best thing that Rose HR has going for it is the incredible responsiveness. Everyone is very quick to reply to any concerns, and contacts the contracted employees very quickly and efficiently.

Kevin, Consultant

EMPLOYEE COMMENTS

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