Jobs in the United States

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Added 4 mins ago
Capital One Shopping Tech, Data Engineer 5 (Remote- Eligible)
Capital One
Albany, NY
Influence a team of developers, data analysts and data scientists with deep experience in machine learning, distributed microservices, lakehouse architecture, and full-stack systems
Added 5 mins ago
Staff Software Engineer, AI/ML
Google
New York, NY
Experience in Machine Learning or AI infrastructure.
Added 5 mins ago
NL
Senior Data Scientist/Engineer
NYU Langone Medical Center
New York, NY
- $121,792.22 to $162,052.8 USD / year
…Science (CHIDS). Our mission is to apply the latest advances in machine learning and predictive analytics toward solving prediction and classification problems across the medical center. We…
Added 5 mins ago
Contractor05
Mphasis Corporation
NEW YORK, NY
Added 5 mins ago
Principal Machine Learning Engineer
CVS Health
New York, NY
As the most senior engineer on the team, you will set technical direction for how machine learning is designed, built, tested, deployed, and operated at scale. You will architect the…
Added 5 mins ago
Infrastructure Security Monitoring Engineer
Meta
New York, NY
Meta's Infrastructure Security Monitoring (ISM) team is seeking an experienced engineer to help secure the infrastructure that connects over a billion users. You will be responsible for…
Added 16 mins ago
Staff Software Engineer, DeepMind
DeepMind
Mountain View, CA · New York, NY
At Google DeepMind our mission is to build the world's first general-purpose learning agent. Central to this mission is the complex task of measuring the intelligence of our prototypes. As…
Added 16 mins ago
NS
DISTINGUISHED SCIENTIST/ENGINEER FOR ELECTRO-OPTIC/INFRARED SENSOR TECHNOLOGIES
Naval Sea Systems Command
Crane, IN
- $170,138 to $209,600 USD / year
You will guide research, development, and technology transition for advanced sensors, imaging modalities, laser protection, optical signatures, communications, SWAP reduction, and advanced…
Added 1 hour ago
I
Software Solution Engineer
InterImage
Remote, United States
- $105,000 to $162,000 USD / year
2+ years developing Generative AI or Machine Learning applications.
Added 1 hour ago
ASIC Design Verification Engineer, Machine Learning
Google
Sunnyvale, CA
As an ASIC Design Verification Engineer, you will be part of a team developing ASICs used to accelerate computation in data centers. You will have dynamic, multi-faceted responsibilities in…
Added 1 hour ago
Senior Staff Software Engineer, Technical Lead Manager, Vertical Ads on Maps
Google
Mountain View, CA
Google Ads is at the forefront of AI innovation, applying cutting-edge machine learning and Generative AI models like Gemini to power a multi-billion dollar global business.
Added 1 hour ago
Senior Data Engineer
Keebo
Remote, United States
…have to. We're venture-backed, built on years of database and machine learning research, and fully…
Added 2 hours ago
Senior Software Engineer (Quantum Computing)
Infleqtion
Remote, United States
Familiarity with statistics, machine learning, or AMO physics is a genuine differentiator; experience with realtime image analysis and object detection moves you to the top of the list.
Added 2 hours ago
Senior Software Engineer (Quantum Computing)
Infleqtion
Remote, United States
Familiarity with statistics, machine learning, or AMO physics is a genuine differentiator; experience with realtime image analysis and object detection moves you to the top of the list.
Added 2 hours ago
Senior Software Engineer (Quantum Computing)
Infleqtion
Remote, United States
Familiarity with statistics, machine learning, or AMO physics is a genuine differentiator; experience with realtime image analysis and object detection moves you to the top of the list.
Added 2 hours ago
I
Quantum Software Engineer - Nuclear
Infleqtion
Remote, United States
- $110,000 to $182,000 USD / year
Familiarity with AI: machine learning, LLMs, agentic AI, etc.
Added 2 hours ago
Senior Software Engineer, AI/ML Infrastructure, Ads Safety
Google
Pittsburgh, PA
Google Ads is at the forefront of AI innovation, applying cutting-edge machine learning and Generative AI models like Gemini to power a multi-billion dollar global business.
Added 2 hours ago
Software Engineering Manager, High Performance Networking
Google
Sunnyvale, CA
…mentoring engineering talent to optimize the world's most demanding machine learning and HPC workloads, we want you to lead our…
Added 2 hours ago
Sr. Model Engineer
SpaceXAI
Palo Alto, CA
- Strong background in RL and machine learning fundamentals
Added 2 hours ago
Sr. Software Engineer, ML Platform
SpaceXAI
Palo Alto, CA
As a Software Engineer on ML Platform at SpaceXSI, you'll build the infrastructure that turns real product usage into better models, and keeps research moving fast on large GPU fleets. ML…
Added 3 hours ago
Model Engineer
SpaceXAI
Palo Alto, CA
- Strong background in RL and machine learning fundamentals
Added 3 hours ago
ASIC Design Engineer, Cloud TPU
Google
Sunnyvale, CA
…Units (TPUs), the custom-built accelerators powering our AI and machine learning workloads in datacenters. You will be responsible for the microarchitecture, design, implementation, and…
Added 4 hours ago
Senior Software Development Engineer , Stores Foundational AI - Rufus
Amazon.com Services LLC
Seattle, WA · Palo Alto, CA
…impact. You will work at the intersection of distributed systems, machine learning infrastructure, and science to bring frontier research - especially in post-training and reinforcement…
Added 4 hours ago
Software Engineer
Capstone Research Corporation
Huntsville, AL
Software Engineer Capstone Research Corporation is seeking to expand our team. Capstone Research Corporation is headquartered in Huntsville Alabama. We are a customer-oriented engineering…
Added 4 hours ago
AI Engineer I
Midwest Physicians Administrative Services, LLC dba Duly Health and Care
Downers Grove, IL
0-2 years of experience in software development, data engineering, DevOps, or machine learning (internships, co-ops, research, and academic projects count)

Amazon.com Services LLC

Senior Software Development Engineer , Stores Foundational AI - Rufus

Seattle, WA, United States
Palo Alto, CA, United States

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Job details

Posting language: English
Posted: Jun 29, 2026

Original job description

We are building foundational LLMs for Amazon Stores that fuse world knowledge with deep e-commerce understanding to power next-generation shopping experiences. These systems continuously learn from real-world customer interactions to become more helpful, personalized, and context-aware over time.

We are looking for builders who are passionate about large-scale systems, AI innovation, and customer impact. You will work at the intersection of distributed systems, machine learning infrastructure, and science to bring frontier research - especially in post-training and reinforcement learning - into production at Amazon scale.

Key job responsibilities

Architect and build scalable ML infrastructure powering LLM training and post-training workflows, including supervised fine-tuning, reinforcement learning, and continuous learning from live traffic
Transform real-world customer interactions into high-quality training signals, enabling continuous model improvement and better customer experiences
Build and optimize post-training and RL systems, including reward modeling, policy optimization, data collection loops.
Drive experimentation and iteration velocity by building tooling and frameworks that enable rapid hypothesis testing, signal validation, and model quality improvements
Partner closely with applied scientists to translate frontier techniques (e.g., RLHF, agentic workflows, multi-turn optimization) into reliable, production-grade systems
Own systems end-to-end, including design, implementation, deployment, observability, and operational excellence
Raise the engineering bar through technical leadership, design reviews, and mentorship, influencing best practices across the organization Basic qualifications
5+ years of non-internship professional software development experience
5+ years of programming with at least one software programming language experience
5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
Experience as a mentor, tech lead or leading an engineering team
Experience with vLLM, SGLang, TensorRT or similar platforms in production environments
Experience with CUDA kernels or ML/low-level kernels Preferred qualifications
5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
Bachelor's degree in computer science or equivalent
Experience with Machine Learning and Large Language Model fundamentals, including architecture, training/inference lifecycles, and optimization of model execution

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Los Angeles County applicants: Job duties for this position include: work safely and cooperatively with other employees, supervisors, and staff; adhere to standards of excellence despite stressful conditions; communicate effectively and respectfully with employees, supervisors, and staff to ensure exceptional customer service; and follow all federal, state, and local laws and Company policies. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness and professionalism, and safeguard business operations and the Company’s reputation. Pursuant to the Los Angeles County Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits.

USA, CA, Palo Alto - 193,300.00 - 261,500.00 USD annually USA, WA, Seattle - 168,100.00 - 227,400.00 USD annually

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