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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 1 min 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 3 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 3 mins ago
Senior Staff Security Engineer, Google Distributed Cloud
Google
Sunnyvale, CA · Kirkland, WA · Seattle, WA
Provide technical leadership and mentorship to junior and executive engineers, fostering a culture of security excellence and continuous improvement across the engineering organization.
Added 3 mins ago
Capital One Shopping Tech, Data Engineer 5 (Remote- Eligible)
Capital One
Charleston, WV
Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in full-stack development tools and technologies
Added 3 mins ago
C
Senior .NET Full Stack Engineer with C#
Cognizant
Charleston, WV
- $86,000 to $99,000 USD / year
As a Senior .NET Full Stack Engineer with C#, you will make an impact by designing and developing scalable enterprise applications that support healthcare payer operations, including…
Added 3 mins ago
C
Senior Full Stack Engineer – .NET & C#
Cognizant
Charleston, WV
- $86,000 to $99,000 USD / year
As a Senior Full Stack Engineer – .NET & C#, you will make an impact by designing and developing scalable enterprise applications that support healthcare payer operations, including…
Added 3 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 3 mins ago
C
Senior Knowledge Graph & Ontology Architect
Cognizant
Charleston, WV
- $130,000 to $160,000 USD / year
Lead the development of business domain models and governed vocabularies across key entities, ensuring consistency, traceability, and alignment with business objectives.
Added 3 mins ago
Senior Network Engineer
Cognizant
Charleston, WV
We are seeking an experienced Senior Network Engineer to design, implement, secure, operate, and optimize enterprise data-center, campus, branch, wireless, and hybrid-cloud networks. The…
Added 3 mins ago
Senior Workday Security Engineer
CVS Health
Charleston, WV
CVS Health is seeking an experienced Senior Workday Security Engineer to join the HR Technology Workday Security team. This role designs, supports, governs, and optimizes security across…
Added 3 mins ago
CMC Mechanical Analysis Lead Engineer
GE Aerospace
Charleston, WV
The Lead Engineer will be responsible for supporting and leading mechanical analysis projects for CMC hot section hardware and/or interfacing metallic components with specific focus on…
Added 3 mins ago
GA
Director, Architecture and Data
GE Aerospace
Charleston, WV
- $152,000 to $202,000 USD / year
…Data Fabric, coordinating with the Data Fabric Sr Principal Technical Product Manager and the Principal Architects for Enterprise, Data, Infrastructure, and…
Added 3 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 3 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 4 mins ago
SA
Supplier Quality Specialist - Propulsion (R6585)
Shield AI
Seattle, WA
- $106,000 to $159,000 USD / year
…risk reviews, proactively drives supplier qualification and development…
Added 4 mins ago
SA
Supplier Quality Specialist - PCBA (R6587)
Shield AI
Seattle, WA
- $106,000 to $159,000 USD / year
…risk reviews, proactively drives supplier qualification and development…
Added 4 mins ago
SA
Supplier Quality Specialist - Machining (R6584)
Shield AI
Seattle, WA
- $106,000 to $159,000 USD / year
…risk reviews, proactively drives supplier qualification and development…
Added 4 mins ago
SA
Supplier Quality Specialist - Harnessing (R6588)
Shield AI
Seattle, WA
- $106,000 to $159,000 USD / year
…risk reviews, proactively drives supplier qualification and development…
Added 4 mins ago
SA
Supplier Quality Specialist - Composites (R6586)
Shield AI
Seattle, WA
- $106,000 to $159,000 USD / year
…risk reviews, proactively drives supplier qualification and development…
Added 4 mins ago
SA
Senior Staff Engineer, Supply Chain (R6485)
Shield AI
Dallas, TX
- $177,000 to $266,000 USD / year
We are seeking a highly skilled and motivated Supplier Development Engineer to join Shield AI, focusing on machined parts. The ideal candidate will have a strong background in supplier…
Added 11 mins ago
Senior Software Development Engineer , Stores Foundational AI - Rufus
Amazon.com Services LLC
Seattle, WA · Palo Alto, CA
Raise the engineering bar through technical leadership, design reviews, and mentorship, influencing best practices across the organization
Added 14 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 14 mins ago
Senior Azure/AWS Cloud Engineer (5539)
SMX
Huntsville, AL
SMX is actively searching for a dynamic and adept Senior Azure/AWS Cloud Engineer to support our government client in Huntsville, AL.
Added 14 mins ago
Sr Project Manager - AI Data Centers
Jacobs
Huntsville, AL · Mobile, AL
…infrastructure projects. This role is not focused on software development, enterprise IT programs, application implementation, network operations, cloud transformation, or technology…

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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