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Added 1 min ago
RF Engineer 4
Lam Research
Fremont
As a RF Engineer at Lam, you play a crucial role in designing, building, and troubleshooting cutting-edge radio frequency (RF) solutions for power delivery and plasma generation in our Etch…
Added 2 mins ago
Lead Full Stack Java Engineer
Wells Fargo Bank, N. A.
CHARLOTTE, NC
Wells Fargo is seeking a highly skilled and hands-on Lead Engineer to drive the end-to-end delivery of strategic lending technology solutions supporting new product launches and feature…
Added 2 mins ago
P
Founding Account Executive
Phonely
Remote, United States
- $150,000 to $250,000 USD / year
At some point in the future, every business will answer their phone with voice AI. We are building the platform that lets them optimize these AI agents for performance.
Added 3 mins ago
Sr Consultant, Software Engineer (AI Engineer)
Nationwide Life and Annuity Insurance Co
OH · AZ · IA
The Sr Consultant, Software Engineer (AI Engineer) is accountable for turning AI strategy into trusted, reusable technology capabilities that enable Nationwide to build and operate AI…
Added 5 mins ago
Software Engineer - Agentic Reliability Infrastructure (Technical Leadership)
Meta
Charleston, WV
Meta is seeking an experienced Software Engineer to build the next generation of AI systems for production reliability. This role sits at the intersection of large-scale distributed…
Added 5 mins ago
Capital One Shopping Tech, Data Engineer 5 (Remote- Eligible)
Capital One
Charleston, WV
Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive and iterative delivery environment? At…
Added 5 mins ago
C
Senior Support Engineer I
Cleo
Charleston, WV
- $70,000 to $80,000 USD / year
Interested in building your career at Cleo (US) ? Get future opportunities sent straight to your email.
Added 5 mins ago
C
Data Quality Engineer (Databricks & dbt)
Cognizant
Charleston, WV
- $70,000 to $117,000 USD / year
We are seeking a Data Quality Engineer to ensure the accuracy, consistency, and reliability of enterprise data platforms. The ideal candidate will design and automate data quality testing…
Added 5 mins ago
Senior Workday Security Engineer
CVS Health
Charleston, WV
We’re building a world of health around every individual - shaping a more connected, convenient and compassionate health experience. At CVS Health®, you’ll be surrounded by passionate…
Added 5 mins ago
Senior Analyst, Product Engineer
CVS Health
Charleston, WV
We’re building a world of health around every individual - shaping a more connected, convenient and compassionate health experience. At CVS Health®, you’ll be surrounded by passionate…
Added 5 mins ago
C
GCP data Engineer
Cognizant
Charleston, WV
- $100,000 to $120,000 USD / year
Cognizant is seeking an experienced Knowledge Graph Data Engineer to build and operate the connectivity, profiling, and graph/search foundation that powers enterprise ontology and knowledge…
Added 5 mins ago
EG
Front End React Engineer
Eliassen Group
Charleston, WV
- $80 to $90 USD / hour
Our client seeks an experienced Front End React Engineer to join a small, focused team building features across three SaaS products in consumer goods retail. Global brands and retailers…
Added 13 mins ago
Senior Software Development Engineer , Stores Foundational AI - Rufus
Amazon.com Services LLC
Seattle, WA · Palo Alto, CA
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…
Added 16 mins ago
S
Process Engineer II
Saint-Gobain
RUSSELLVILLE, AL
- $81,500 to $126,500 USD / year
The Process Engineer II supports the Russellville Glass Mat facility by improving manufacturing processes that affect safety, quality, cost, productivity, and efficiency. Reporting to the…
Added 16 mins ago
Engineer II, Google Cloud
PwC
Birmingham, AL
As a Engineer II, Google Cloud you will contribute to the design, build, testing, and optimization of cloud-native applications on Google Cloud, supporting work across the full software…
Added 16 mins ago
Capital One Shopping Tech, Data Engineer 5 (Remote- Eligible)
Capital One
Montgomery, AL
Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive and iterative delivery environment? At…
Added 16 mins ago
Senior Workday Security Engineer
CVS Health
Montgomery, AL
We’re building a world of health around every individual - shaping a more connected, convenient and compassionate health experience. At CVS Health®, you’ll be surrounded by passionate…
Added 16 mins ago
C
Data Quality Engineer (Databricks & dbt)
Cognizant
Montgomery, AL
- $70,000 to $117,000 USD / year
We are seeking a Data Quality Engineer to ensure the accuracy, consistency, and reliability of enterprise data platforms. The ideal candidate will design and automate data quality testing…
Added 16 mins ago
C
GCP data Engineer
Cognizant
Montgomery, AL
- $100,000 to $120,000 USD / year
Cognizant is seeking an experienced Knowledge Graph Data Engineer to build and operate the connectivity, profiling, and graph/search foundation that powers enterprise ontology and knowledge…
Added 16 mins ago
C
Senior Support Engineer I
Cleo
Montgomery, AL
- $70,000 to $80,000 USD / year
Interested in building your career at Cleo (US) ? Get future opportunities sent straight to your email.
Added 16 mins ago
Senior Analyst, Product Engineer
CVS Health
Montgomery, AL
We’re building a world of health around every individual - shaping a more connected, convenient and compassionate health experience. At CVS Health®, you’ll be surrounded by passionate…
Added 16 mins ago
EG
Front End React Engineer
Eliassen Group
Montgomery, AL
- $80 to $90 USD / hour
Our client seeks an experienced Front End React Engineer to join a small, focused team building features across three SaaS products in consumer goods retail. Global brands and retailers…
Added 19 mins ago
CA
Agent Strategist
Conduit AI
San Francisco, CA
- $135,000 to $220,000 USD / year
You do not need to be an engineer. You do need to think like one: break an operation into steps, choose the tools and context an agent needs, and test it before it touches a guest. When…
Added 26 mins ago
Senior Software Engineer
Jobgether
Remote, United States
The Senior Software Engineer will play a key role in designing, developing, and maintaining scalable software solutions within a multi-tenant SaaS environment. This position focuses on…
Added 29 mins 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…

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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