Jobs in the United States

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Added 5 mins ago
Executive Immunology Sales Specialist, Dermatology (Charleston, WV) – Johnson & Johnson Innovative Medicine
J&J Family of Companies
Charleston, WV
We are searching for the best talent for a Senior Immunology Sales Specialist, Dermatology to support clients in the Charleston, WV territory.
Added 5 mins ago
Software Engineer - Agentic Reliability Infrastructure (Technical Leadership)
Meta
Charleston, WV
…operating safely at Meta scale.This is also a deeply hands-on senior IC role. You will personally prototype, build, evaluate, and ship AI systems, working directly in the code and with…
Added 5 mins ago
Strategic Partner Development Lead, Suncatcher
Google
San Francisco, CA · Mountain View, CA · Los Angeles, CA
Experience building internal and external senior-level relationships.
Added 5 mins ago
Business Data Scientist, AI Foundations
Google
San Jose, CA
…further, you also persuasively communicate your recommendations to senior-level executives, roll-up your sleeves to help drive implementation and check back-in to see the impact of your…
Added 5 mins ago
Senior Field Sales Executive - South-Central U.S
Wolters Kluwer
Charleston, WV
About the Role: As a Senior Field Sales Executive, you will play a critical role in managing complex and high-profile accounts. Your deep understanding of business, financials, and market…
Added 5 mins ago
C
Senior Java Full Stack Engineer – Spring Boot & AWS
Cognizant
Charleston, WV
- $86,000 to $99,000 USD / year
As a Senior Java Full Stack Engineer – Spring Boot & AWS , you will make an impact by designing and delivering scalable, secure, cloud-based applications using Java, Spring Boot, React, and…
Added 5 mins ago
S
Specialty Account Executive –Intelligence Center X – Heavy Equipment & Automotive
Siemens
Charleston, WV
- $150,000 to $294,500 USD / year
Success requires a consultative seller who can create demand, engage senior executives, navigate complex organizations, and lead opportunities from initial insight through contract…
Added 5 mins ago
C
Senior Knowledge Graph & Ontology Architect
Cognizant
Charleston, WV
- $130,000 to $160,000 USD / year
As a Senior Knowledge Graph & Ontology Architect , you will make an impact by designing and governing enterprise semantic architectures that enable trusted, scalable, and AI-ready knowledge…
Added 5 mins ago
Specialized Account Executive Intelligence Center X - ESIB
Siemens
Charleston, WV
This is a role for a seller who creates demand, earns access to senior executives and leads from first insight through signature. You will combine the pace and ownership of a growth…
Added 5 mins ago
CMC Mechanical Analysis Lead Engineer
GE Aerospace
Charleston, WV
Resolves issues using established procedures. Deliberately consults mentor or more senior team members to understand issues outside of defined workscope or expertise.
Added 6 mins ago
SA
Supplier Quality Specialist - Propulsion (R6585)
Shield AI
Seattle, WA
- $106,000 to $159,000 USD / year
ASME GDTP certification Technologist, Senior, or equivalent.
Added 6 mins ago
SA
Supplier Quality Specialist - Machining (R6584)
Shield AI
Seattle, WA
- $106,000 to $159,000 USD / year
ASME GDTP certification Technologist, Senior, or equivalent.
Added 6 mins ago
SA
Senior Staff Engineer, Supply Chain (R6485)
Shield AI
Dallas, TX
- $177,000 to $266,000 USD / year
Added 6 mins ago
SA
Senior Sourcing Specialist (R6598)
Shield AI
Dallas, TX · Seattle, WA
- $92,000 to $167,000 USD / year
We're looking for a Senior Sourcing Specialist to help bring innovative products to life by leading supplier purchasing initiatives and building high-performing supplier partnerships.…
Added 13 mins ago
Senior Software Development Engineer , Stores Foundational AI - Rufus
Amazon.com Services LLC
Seattle, WA · Palo Alto, CA
Added 14 mins ago
(=
Manager, HCP Education Delivery
(FCRS = US014) Novartis Pharmaceuticals Corporation
United States
- $126,000 to $234,000 USD / year
…Education capabilities and deep customer and TA/brand insights, the Senior Manager elevates peer-to-peer promotional activities and builds a broad ecosystem of education. The role leads the…
Added 16 mins ago
Sr Project Manager - AI Data Centers
Jacobs
Huntsville, AL · Mobile, AL
This is your opportunity to elevate your career to the next level - leading complex, multi-discipline programs as a Senior Project Manager (CA) Lead, across OE, EPCM, and Design-Build…
Added 16 mins ago
Cybersecurity Team Lead
SAIC
Huntsville, AL
Previous experience as a Cybersecurity Team Lead, ISSO, ISSM, or senior cybersecurity engineer supporting DoD authorization activities.
Added 16 mins ago
CMC Mechanical Analysis Lead Engineer
GE Aerospace
Huntsville, AL
Resolves issues using established procedures. Deliberately consults mentor or more senior team members to understand issues outside of defined workscope or expertise.
Added 16 mins ago
Senior Field Sales Executive - South-Central U.S
Wolters Kluwer
Montgomery, AL
About the Role: As a Senior Field Sales Executive, you will play a critical role in managing complex and high-profile accounts. Your deep understanding of business, financials, and market…
Added 16 mins ago
C
Senior Java Full Stack Engineer – Spring Boot & AWS
Cognizant
Montgomery, AL
- $86,000 to $99,000 USD / year
As a Senior Java Full Stack Engineer – Spring Boot & AWS , you will make an impact by designing and delivering scalable, secure, cloud-based applications using Java, Spring Boot, React, and…
Added 16 mins ago
C
Senior Knowledge Graph & Ontology Architect
Cognizant
Montgomery, AL
- $130,000 to $160,000 USD / year
As a Senior Knowledge Graph & Ontology Architect , you will make an impact by designing and governing enterprise semantic architectures that enable trusted, scalable, and AI-ready knowledge…
Added 16 mins ago
S
Specialty Account Executive –Intelligence Center X – Heavy Equipment & Automotive
Siemens
Montgomery, AL
- $150,000 to $294,500 USD / year
Success requires a consultative seller who can create demand, engage senior executives, navigate complex organizations, and lead opportunities from initial insight through contract…
Added 16 mins ago
Specialized Account Executive Intelligence Center X - ESIB
Siemens
Montgomery, AL
This is a role for a seller who creates demand, earns access to senior executives and leads from first insight through signature. You will combine the pace and ownership of a growth…
Added 18 mins ago
Major Projects - Junior Project Manager
Vistra Nuclear Operations Company
United States
Final pay grade / level (Project Manager Junior thru Project Manager Senior) will be determined based on applicant's experience and qualifications **

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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