Jobs in the United States

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Added 3 mins ago
Software Engineer - Agentic Reliability Infrastructure (Technical Leadership)
Meta
Charleston, WV
…of large-scale distributed systems, incident response, and applied AI. You will lead the development of an AI agent that can autonomously investigate production incidents, identify likely…
Added 12 mins ago
Senior Software Development Engineer , Stores Foundational AI - Rufus
Amazon.com Services LLC
Seattle, WA · Palo Alto, CA
Partner closely with applied scientists to translate frontier techniques (e.g., RLHF, agentic workflows, multi-turn optimization) into reliable, production-grade systems
Added 20 mins ago
KI
Revenue Cycle Supervisor
Ketchikan Indian Community
KETCHIKAN, AK
- $32.2 to $48.29 USD / hour
Added 26 mins ago
Product Management Director
Applied Materials
Santa Clara, CA · Santa Clara
Applied Materials is the global leader in materials science and engineering solutions that are at the foundation of virtually every new semiconductor chip and advanced display in the world.…
Added 33 mins ago
Senior Technical Program Manager, GenAI Transformation, Google Cloud Business Platform
Google
Sunnyvale, CA
…vertical domains, you will bridge core platform engineering and applied product teams. You will establish cohesive program architecture, drive technical alignment on foundational…
Added 33 mins ago
Senior Software Engineer, AI/ML NLP, Deep Learning, Search Infrastructure
Google
Mountain View, CA
Participate in, or lead design reviews with peers and stakeholders to decide amongst available technologies.
Added 33 mins ago
Technical Program Manager II, Fabrication, Quantum AI
Google
Goleta, CA
Bachelor's degree in Physics, Applied Physics, Electrical Engineering, related engineering fields, or equivalent practical experience.
Added 45 mins ago
Product Management Director
Applied Materials, Inc
Santa Clara, CA
Applied Materials is the global leader in materials science and engineering solutions that are at the foundation of virtually every new semiconductor chip and advanced display in the world.…
Added 51 mins ago
H
Failure Analysis Engineer
HyperLight
Cambridge, MA
- $90,000 to $180,000 USD / year
Failure Analysis currently consists of a small and impactful team. You’ll be trained directly by the FA lead and will grow into owning cases independently across the full workflow: intake,…
Added 57 mins ago
J
Staff Data Scientist
Jobgether
Remote, United States
- $123,804 to $185,700 USD / year
…automation, autonomous systems, and digital products. You will lead a team of data scientists while remaining hands-on in developing machine learning models, analytical solutions, and data…
Added 1 hour ago
O
Lead Principal Applied Scientist
Oracle
United States
- $166,200 to $355,400 USD / year
…this role, you will have an opportunity to work with teams of applied scientists and engineers to deliver high quality computer vision models and services that delights our customers with…
Added 1 hour ago
Licensed Practical Nurse (35 Hour)
State of Connecticut
Norwich, CT
Added 1 hour ago
Software Engineer - Agentic Reliability Infrastructure (Technical Leadership)
Meta
Columbia, SC
…of large-scale distributed systems, incident response, and applied AI. You will lead the development of an AI agent that can autonomously investigate production incidents, identify likely…
Added 1 hour ago
Solutions Architect – OEM AI
NVIDIA USA
Remote, United States
Function as a technical lead and liaison between NVIDIA engineering, product teams, and OEM partners to drive innovative technical and business strategies.
Added 2 hours ago
Data Scientist Asc - Early Career
Lockheed Martin
Marietta, GA
A collaborative engineer with strong expertise in applied statistics, machine learning, and data visualization. You thrive in fast‑paced, global environments, possess excellent…
Added 2 hours ago
CSRM Environment, Health and Safety Business Manager
Google
Atlanta, GA
Experience driving progress, solving problems, and mentoring more junior team members; deeper expertise and applied knowledge within relevant area.
Added 2 hours ago
Lead Data Engineer
Honeywell Technologies
Atlanta, GA
…autonomy and the data that powers that future starts here. As a Lead Data Engineer on our Industrial AI & Data Platforms team, you will architect and own the data foundations that enable…
Added 2 hours ago
PN
Senior Machine Learning Engineer III
Pacific Northwest National Laboratory
Richland, WA · Seattle, WA
- $140,200 USD / year
…researchers in areas such as SI Assurance, agentic SI, and applied mathematics, understanding the underlying methods and translating them into reliable implementations. Your work will span…
Added 2 hours ago
PN
Lead Machine Learning Engineer IV
Pacific Northwest National Laboratory
Richland, WA · Seattle, WA
- $166,800 USD / year
PNNL is seeking a Lead Machine Learning Engineer to lead the development and evolution of software that brings emerging research methods into sponsor environments. You will work with…
Added 2 hours ago
PN
Data Scientist III - Building Energy Applications
Pacific Northwest National Laboratory
Seattle, WA
- $140,200 USD / year
…efficient, resilient, and secure energy system through basic and applied research. We leverage a strong technical foundation in power and energy systems and advanced data analytics to drive…
Added 2 hours ago
AVP, Procurement Center of Excellence
Humana
Jackson, MS
The Associate Vice President, Procurement Center of Excellence will lead the enterprise capabilities that power Procurement performance. The AVP will own the Procurement technology…
Added 3 hours ago
Senior Physician Scientist – Drug Regulatory Science
RTI International
UNAVAILABLE · Durham, NC
…evidence. This role offers a unique opportunity for a physician to lead work that directly shapes how clinical and regulatory evidence on drugs informs national Medicare drug policy, while…
Added 3 hours ago
Social Media Lead
Cognition
New York City, NY
WE ARE AN APPLIED AI LAB BUILDING END-TO-END SOFTWARE AGENTS.
Added 3 hours ago
Paid Social & Influencer Lead
Cognition
New York City, NY
WE ARE AN APPLIED AI LAB BUILDING END-TO-END SOFTWARE AGENTS.
Added 3 hours ago
T
Senior Technical Project Manager (CRM)
TEKsystems
New York, NY
- $70 to $80 USD / hour
…technical requirements into clear designs and development tasks. Lead the technical delivery of customer and data platform initiatives. Provide guidance to developers and make key…

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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