Jobs in the United States

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Added 9 mins ago
Engineer III, Cloud SDET - Endpoint (Hybrid, Sunnyvale)
CrowdStrike, Inc.
Sunnyvale, CA
CrowdStrike is looking for a Senior Software Development Engineer in Test (SDET) to join our growing Endpoint Protection Product (EPP) Cloud team, supporting our Falcon Prevent solution.…
Added 18 mins ago
Software Engineer
InterImage
Remote, United States
We are seeking a motivated and innovative Software Engineer to support the development of next-generation AI-enabled solutions for mission-driven environments across the Department of…
Added 18 mins ago
Ontological Engineer
InterImage
Remote, United States
As an Ontological Engineer, you will help shape the knowledge foundations behind enterprise AI systems. This role is well suited to someone who enjoys bringing clarity to complex domains…
Added 25 mins ago
SoC Silicon Top-Level Floorplan Engineer
Google
Sunnyvale, CA
In most instances, this position requires in-person interviews as part of the hiring process.
Added 25 mins 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 53 mins ago
O
Lead Principal Core Infrastructure Engineer
Oracle
Nashville, TN
- $146,300 to $306,400 USD / year
We are looking for a highly skilled and motivated distributed systems engineer who can architect solutions to scale and optimize AI infrastructure components like GPU control plane and GPU…
Added 1 hour ago
I
Staff Systems Engineer (Time and Frequency)
Infleqtion
Louisville, CO
- $160,000 to $210,000 USD / year
…approach to innovation. We seek an experienced Staff Systems Engineer to support multidisciplinary government and commercial R&D…
Added 1 hour ago
Fabrication Wet Etch Engineer, Quantum AI
Google
Goleta, CA
As a Hardware Engineer on the Quantum AI Fabrication team in Goleta, California, you will develop, optimize, and scale cleanroom wet chemical and solvent processes used to build…
Added 1 hour ago
Senior Software Engineer, AI/ML Infrastructure, Ads Safety
Google
Pittsburgh, PA
…distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is…
Added 1 hour ago
Software Engineering Manager, High Performance Networking
Google
Sunnyvale, CA
Like Google's own ambitions, the work of a Software Engineer goes beyond just Search. Software Engineering Managers have not only the technical expertise to take on and provide technical…
Added 1 hour ago
SI
Forward Deployed Engineer Specialists (FDE) (Mid/Senior Level)
Salesforce, Inc.
NY
- $148,500 to $285,800 USD / year
We are Salesforce, the Customer Company, inspiring the future of business with AI + Data + CRM. Leading with our core values, we help companies across every industry blaze new trails and…
Added 1 hour ago
Devops Platform Engineer
Advanced Micro Devices, Inc
San Jose, CA
We are seeking a hands-on Platform Engineer to build and operate the infrastructure foundations that enable engineering teams to deliver reliable, scalable, and secure products. This role…
Added 2 hours ago
ASIC Design Engineer, Cloud TPU
Google
Sunnyvale, CA
In most instances, this position requires in-person interviews as part of the hiring process.
Added 2 hours ago
Staff Software Engineer, AI/ML, Cloud IAM, Dataset and Model Training
Google
Sunnyvale, CA
…distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is…
Added 2 hours ago
IC
SoC Design Verification Engineer
Intel Corporation
CA
- $105,650 to $149,150 USD / year
You will be joining Intel's Data Center Group (DCG), a dynamic organization dedicated to advancing the capabilities of the world's data centers. DCG focuses on developing innovative server…
Added 2 hours ago
Senior Software Development Engineer , Stores Foundational AI - Rufus
Amazon.com Services LLC
Seattle, WA · Palo Alto, CA
…of distributed systems, machine learning infrastructure, and science to bring frontier research - especially in post-training and reinforcement learning - into production at Amazon…
Added 3 hours ago
IE
Senior Software Developer - Forward Deployed Model
Idea Entity
Remote, United States
- $110,000 to $170,000 USD / year
This role is designed for an engineer who thrives in a small delivery pod, takes broad ownership, and works effectively across traditional role boundaries. The engineer will work closely…
Added 3 hours ago
Data Engineer I
Midwest Physicians Administrative Services, LLC dba Duly Health and Care
Downers Grove, IL
The Data Engineer I is an early-career role within the Data & Analytics team, responsible for helping build, operate, and improve the data pipelines that feed analytics, reporting, and AI…
Added 3 hours ago
AI Engineer I
Midwest Physicians Administrative Services, LLC dba Duly Health and Care
Downers Grove, IL
The AI Engineer I is an early-career role within the Data & Analytics team, working with the AI/ML team to implement, deploy, and support the AI platforms and models that improve patient…
Added 3 hours ago
Senior Software Engineer, AI/ML NLP, Deep Learning, Search Infrastructure
Google
Mountain View, CA
…distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is…
Added 3 hours ago
Member of the Technical Staff (MTS) DRAM PI
Micron Technology, Inc.
Boise, ID
This Member of the Technical Staff Engineer (MTS) will provide technical leadership for memory process integration. You will lead device-module and process-integration development, overcome…
Added 3 hours ago
CI
Software Engineer, Core Platform
Cribl, Inc
Denver, CO
- $150,000 to $175,000 USD / year
As a Backend Engineer at Cribl, you will help set the technical direction for Core Platform by working closely with an existing team of awesome engineers and product managers to help…
Added 3 hours ago
H
Failure Analysis Engineer
HyperLight
Cambridge, MA
- $90,000 to $180,000 USD / year
…lithium niobate (TFLN) integrated photonics - a material and process technology that is enabling high-performance, scalable optical components across AI/datacom infrastructure, hyperscale…
Added 3 hours ago
J
Staff Data Scientist
Jobgether
Remote, United States
- $123,804 to $185,700 USD / year
The ideal candidate combines advanced data science expertise, strong software engineering capabilities, and proven technical leadership. You should be comfortable navigating ambiguity,…
Added 3 hours ago
Senior Software Engineer, Atlas Agent Engine
Jobgether
Remote, United States
As a Senior Software Engineer, you will play a key role in building and scaling an innovative AI agent development platform designed for enterprise environments. You will contribute to the…

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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