Jobs in the United States

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Added 12 mins ago
AWS Cloud Infrastructure Experienced Associate
PwC
Detroit, MI · Grand Rapids, MI
As an Amazon Web Services, Cloud Infrastructure Experienced Associate you will support the design and delivery of cloud and network architecture work within our Advisory practice,…
Added 12 mins ago
AWS Cloud Infrastructure and Operations Delivery Director
PwC
Grand Rapids, MI · Detroit, MI
As an Amazon Web Services, Cloud Infrastructure and Operations Director, you will lead client engagements focused on cloud infrastructure and network architecture, shaping solutions that…
Added 12 mins ago
GA
Director, Architecture and Data
GE Aerospace
Detroit, MI
- $152,000 to $202,000 USD / year
…data foundation real, the role also delivers the Defense & Systems Data Fabric, coordinating with the Data Fabric Sr Principal Technical Product Manager and the Principal Architects for…
Added 12 mins ago
Principal Architect
Akamai Technologies, Inc.
Lansing, MI
Are you interested in designing platform architectures for cloud computing infrastructure and platform services?
Added 14 mins ago
Network Administrator 3/4 - TS/SCI - Dulles VA
Military Spouse Jobs & VetJobs
United States
At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our…
Added 28 mins ago
Associate Vice President, Engineering – DCE Connectivity Hardware
MSI - (Marvell Semiconductor Inc.) US
Santa Clara, CA
As AI-driven bandwidth demand continues to reshape the data infrastructure landscape, this team is defining what comes next - pushing the boundaries of 200G/lane SerDes, Co-Packaged Optics,…
Added 39 mins ago
Cloud Engineer SME
Ignite IT
Remote, United States
…planning. The Cloud Engineer SME will work closely with the Systems Architect and Technical Program Manager to assess existing environments, design migration-ready architectures, and…
Added 39 mins ago
Network Architect SME
Ignite IT
Remote, United States
We are seeking a Subject Matter Expert (SME) Network Architect to join our team supporting a large-scale federal modernization program. This role owns enterprise and solution-level network…
Added 39 mins ago
Cloud Manager
Ignite IT
Remote, United States
…supporting the U.S. Census Bureau’s American Community Survey (ACS) systems. This role is responsible for standing up and managing an Agile modernization team that delivers cloud-native,…
Added 39 mins ago
Data Engineering Lead
Ignite IT
Remote, United States
…architectures to support migration of legacy, file-based analytical systems to AWS Cloud Native…
Added 39 mins ago
Senior Level Developer
Ignite IT
Remote, United States
…Native solutions as part of a large-scale legacy system-of-systems migration…
Added 39 mins ago
Senior AWS Cloud Systems Architect
Ignite IT
Remote, United States
IgniteAction is seeking a senior AWS-certified Systems Architect to lead the design and governance of complex, multi-team modernization initiatives involving legacy application refactoring,…
Added 46 mins ago
Senior Software Development Engineer , Stores Foundational AI - Rufus
Amazon.com Services LLC
Seattle, WA · Palo Alto, CA
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…
Added 49 mins ago
Senior Azure/AWS Cloud Engineer (5539)
SMX
Huntsville, AL
…information technology services and capabilities to include Infrastructure as a Service (IaaS), Platform as a Service (PaaS), Data as a Service (DaaS), and Software as a Service (SaaS) and…
Added 49 mins ago
Azure/AWS Cloud Engineer (5540)
SMX
Huntsville, AL
…information technology services and capabilities to include Infrastructure as a Service (IaaS), Platform as a Service (PaaS), Data as a Service (DaaS), and Software as a Service (SaaS) and…
Added 49 mins ago
CI-CD Pipeline Developer
SAIC
Huntsville, AL
Architect, develop, and optimize CI/CD pipelines with a heavy emphasis on GitLab-centric workflows.
Added 1 hour ago
IT System Architect - US
UptimeAI
Remote, United States
The System Architect will own the end-to-end IT architecture for UptimeAI deployments across customer environments, ensuring secure, scalable, and reliable integration between industrial…
Added 1 hour ago
Supplier Quality Engineer, OEM Networking
Google
Sunnyvale, CA
2 years of experience in supplier quality, reliability, or hardware quality engineering for networking, server, or data center infrastructure.
Added 1 hour ago
Senior Principal Systems Engineer / SME (Cyber & Analytics)
RTX
United States
Architect, modernize, and optimize complex mission systems utilizing COTS/GOTS; drive automation initiatives to enhance system reliability under tight timelines; provide top-tier…
Added 1 hour ago
Director, SAP IS-U Architect - Power & Utilities
KPMG LLP
Atlanta, GA · Charlotte, NC · Dallas, TX · Detroit, MI · Houston, TX · Kansas City, MO · Morristown, NJ · New York, NY · Orlando, FL · Philadelphia, PA · St Louis, MO · Tampa, FL
KPMG is currently seeking a Director, SAP IS-U Architect - Power & Utilities to join our Advisory Services practice.
Added 2 hours ago
SANs FISMA Consultant
COOLSOFT
Columbia, SC
Network Firewalls, Intrusion Prevention Systems (IPS), Switching and Routing Infrastructure
Added 2 hours ago
BIM Mapping Specialist
ZBETA Consulting
Remote, United States
As a BIM Mapping Specialist, you will be responsible for supporting our security systems infrastructure by ensuring accurate and standards-compliant documentation and integration. This role…
Added 2 hours ago
Senior Project Architect
HNTB Corporation
Kansas City, MO
…delivering solutions for some of the largest, most complex infrastructure projects across the country. With our historic growth, it is an exciting time to join our team of…
Added 2 hours ago
J
Customer Solutions Architect
Jobgether
Remote, United States
- $150,000 to $185,000 USD / year
Configure and validate data sources across identity, endpoint, infrastructure, network, and backup systems.
Added 2 hours ago
Principal Software Engineer, Cloud Infrastructure
NVIDIA USA
CA
We operate an NVIDIA GPU Private cloud that provides infrastructure for continuous integration and validation. Hardware, firmware, drivers, networking, and system software are coordinated…

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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